Jobs Golang

We are the creators of a new fintech era!
Our mission is to change this world by making blockchain accessible to everyone in everyday life. WhiteBIT is a global team of over 1,200 professionals united by one mission — to shape the new world order in the Web3 era. Each of our employees is fully engaged in this transformative journey.
We work on our blockchain platform, providing maximum transparency and security for more than 8 million users worldwide. Our breakthrough solutions, incredible speed of adaptation to market challenges, and technological superiority are the strengths that take us beyond ordinary companies. Our official partners include the National Football Team of Ukraine, FC Barcelona, Lifecell, FACEIT and VISA.

The future of Web3 starts with you: join us as a Solidity & Golang Software Engineer!

Requirements:
 

• Experience: 4+ years of professional experience in software engineering, where the last 2+ years was hands-on experience with Golang stack 4+ years(+Solidity 2+ years) of technology (with a strong focus on blockchain domain).
• Blockchain Expertise: Extensive experience with Ethereum, including a deep understanding of its protocol, smart contract development, and associated technologies.
• Hands-on experience in developing, deploying and maintaining smart contracts on EVM chains (Solidity).
• Familiarity with smart contracts security best practices, upgradability and DeFi protocols.
• Microservices and APIs: experience in developing microservices and APIs, with knowledge of RESTful and/or gRPC frameworks.
• Kubernetes and CI/CD: familiarity with Kubernetes for container orchestration and CI/CD tools for deployment automation.
• Monitoring Tools: Familiarity with monitoring tools such as Prometheus and Grafana for performance tracking.
• Cloud Platforms: Familiarity with cloud platforms (preferably AWS) and experience with containerization (Docker) is a strong plus.
   

Would be a plus:
 

• Knowledge of Layer 2 Solutions: Familiarity with Layer 2 (L2) solutions, rollups, and the OP stack, with a clear understanding of their advantages and applications.
• Experience with Zero Knowledge technologies.
• Experience interacting with the Solana network and writing smart contracts in Rust.
• Experience in conducting and successfully passing smart contract security audits.
• Experience in developing blockchain nodes, bridges, indexers, etc.
   

Responsibilities:
 

• Design, develop, and maintain blockchain solutions, focusing on Ethereum and its associated technologies.
• Design, develop and maintain smart contracts on EVM chains (Solidity)
• Write, test, and deploy smart contracts, ensuring security and performance optimization.
• Implement and manage Layer 2 solutions and rollups, optimizing scalability and efficiency of blockchain applications.
• Design and develop microservices and APIs to support scalable applications, ensuring seamless integration with existing systems.
• Fostering collaboration, knowledge sharing, and professional growth.
• Work closely with cross-functional teams to define project requirements and ensure alignment with business objectives.
• Stay updated on advancements in blockchain technology and Ethereum, and apply new features and best practices to enhance our solutions.
  
  Working terms:
   
• Immerse yourself in Crypto & Web3:
• Master cutting-edge technologies and become an expert in the most innovative industry.
• Work with the Fintech of the Future:
• Develop your skills in digital finance and shape the global market.
• Take Your Professionalism to the Next Level:
• Gain unique experience and be part of global transformations.
• Drive Innovations:
• Influence the industry and contribute to groundbreaking solutions.
• Join a Strong Team:
• Collaborate with top experts worldwide and grow alongside the best.
• Work-Life Balance & Well-being:
• Modern equipment.
• Comfortable working conditions, and an inspiring environment to help you thrive.
• 24 calendar days of paid leave.
• Additional days off for national holidays.
  
  👉 Ready to disrupt the industry with us? Apply now and let’s build the decentralized future together!

Meet the YozmaTech YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster. We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact. Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.

Our client is in the process of solving one of the biggest pain points for B2B service providers: getting paid on time by providing an effortless, first-of-its-kind automated platform. In a $74B market and backed by renowned investors, frees businesses from manual work hassle and high operational costs, allowing employees and managers to focus their time on growing their businesses instead. As we enter our hyper-growth stage, this is a rare opportunity to join an amazing team that is on its way to revolutionizing B2B payments.

We’re looking for a Senior Backend Engineer who’s eager to become one of our core team members and establish themselves as a significant building block of our products and company at this exciting and critical point in time before we reach greater heights.

Key Requirements:
🔹 Agentic Coding: Experience in using autonomous AI agents (e.g., Claude Code, Cursor, Aider) to plan, write, test, and debug code end-to-end;
🔹 6+ years of experience as a backend engineer;
🔹 Hands-on proficiency in Go — must have;
🔹 Hands-on proficiency in TypeScript — strong advantage;
🔹 Deep familiarity with SaaS architecture and development best practices;
🔹 Previous work with cloud platforms such as GCP, AWS, or others;
🔹 Proven ability to lead technical projects, set priorities, and own outcomes;
🔹 Solid understanding of microservices and event-driven architecture;
🔹 Ability to juggle multiple priorities gracefully;
🔹 B.Sc. in Computer Science or equivalent knowledge and experience;
🔹 English – Upper-Intermediate or higher;
🔹 Ability to work with US time zones (UTC-6 to UTC-7), with at least 2 hours of working-hours overlap.
​​​​​​​

Will be plus:
🔹 Experience in B2B & B2B2C Self-Serve SaaS;
🔹 Fintech/Payments industry background;
🔹 Experience working in a startup company.

What you will do:
🔹 Research, design, and implement high-performance resilient APIs and services;
🔹 Contribute to a positive and collaborative team environment by sharing your knowledge and expertise;
🔹 Collaborate with engineers and product managers to deliver robust solutions in short development iterations;
🔹 Develop maintainable and clean code with heavy reliance on developer testing;
🔹 Make thoughtful trade-offs based on business priorities, user needs, and a sustainable technical foundation;

Interview stages:
🔹 HR interview;
🔹 Technical Interview
🔹 Design Interview / Design Task
🔹 Final Interview (Optional)
🔹 Reference Check;
🔹 Offer;

Why Join Us?

At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products – and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your voice. With us, you’ll always know what you’re working on and why it matters.
From day one, you’ll get:
🔹 Direct access to clients and meaningful products;
🔹 Flexibility to work remotely or from our offices;
🔹 A-team colleagues and a zero-bureaucracy culture;
🔹 Opportunities to grow, lead, and make your mark.

After you apply

We’ll keep it respectful, clear, and personal from start to offer.
You’ll always know what project you’re joining – and how you can grow with us.

Everyone’s welcome

Diversity makes us better. We create a space where you can thrive as you are.

Ready to build something meaningful?

Let’s talk. Your next big adventure might just start here.

About us:
 

BetterMe — an all-in-one well-being ecosystem empowering millions to become better — physically, mentally, and emotionally. We build what makes people better and keep challenging ourselves to inspire others.
 

We are looking for a Backend Engineer to join our Core team and help build reliable, scalable backend solutions for a product used by millions of users. This role combines developing new features, optimizing existing services, and contributing to the evolution of the system architecture.
 

Your impact:
 

• Develop new backend functionality using Go as the primary programming language, with occasional work on the PHP codebase (~80/20).
• Migrate business logic from legacy PHP monoliths to Go-based services.
• Ensure the stability, performance, and reliability of production systems.
• Contribute to infrastructure improvements, including CI/CD, observability, and operational excellence initiatives.
• Collaborate closely with product teams and stakeholders to deliver end-to-end solutions within the domain.
• Conduct code reviews with a focus on best practices, code quality, and maintainability.
   

About you:
 

• 5+ years of experience in backend development.
• 2+ years of commercial experience with Go (Golang).
• Experience working with PHP, preferably Symfony or Laravel.
• Strong understanding of idiomatic Go patterns, best practices, and application design principles.
• Actively use AI tools (e.g., Claude Code, Codex, Cursor) in your daily development work to improve workflows and automate tasks.
• Experience with relational databases such as MySQL and/or PostgreSQL.
• Experience with asynchronous messaging systems (RabbitMQ, Apache Kafka, Amazon SQS, or similar).
• Experience with caching and in-memory data stores (Redis / AWS ElastiCache).
• Exposure to infrastructure and operations, including Kubernetes, CI/CD pipelines, observability, and production troubleshooting.
• Experience working with Linux and Docker.
• Ability to write and maintain unit tests, ensuring code quality and reliability.
• Strong problem-solving skills and the ability to work with complex systems and domains.
   

Nice to have:
 

• Experience migrating from PHP monoliths to Go services.
• Strong experience with PHP 8+ (Symfony or Laravel).
• Experience building and operating distributed systems and high-load services.
• Hands-on experience with cloud and container orchestration technologies, including AWS services, Kubernetes, Helm, and service mesh solutions (e.g., Istio).
• Experience with microservice architectures and REST APIs.
• Knowledge of architectural design principles such as Clean Architecture, Hexagonal Architecture, and Domain-Driven Design (DDD).
• Strong communication and collaboration skills.
   

What you get at BetterMe:

A mission that inspires. Every line of code, every design, every idea helps millions of people become healthier and more confident.
Trust without micromanagement. You manage your time and make decisions independently. We value outcomes, not online hours.
Growth opportunities. 90% of our leads have grown within the company. There’s space for initiative, new responsibilities, and real career upgrades.
Flexible work format. Choose what works best for you — office, remote, or hybrid.
Wellness in practice. Offline: workouts with professional trainers in our corporate gym, massage, corporate lunches, sports, and team activities — everything you need to recharge and reset together. Online: regular online workouts, partner discounts, and free access to our products.
Health insurance & corporate doctor.
Open communication. Transparency across teams, honest feedback, and support for initiatives are part of our everyday culture.
Support for sports events. We cover entry fees and encourage the team to compete and participate together.
Modern equipment. We provide new hardware and everything you need for productive work.
Legal & finance support. Experienced lawyers and financial specialists are always there to help — from documents to personal consultations.
 

Our partner is an American company that has developed a specialized leave management system. Among the product’s clients are Google, IBM, Meta, Adobe, and other leading global corporations.

We are looking for Backend Developer to join a team of highly skilled engineers, where the minimum development experience is 12 years.

Main Responsibilities
– Participate in the design, implementation, and maintenance of server-side code for web applications and services, ensuring it is efficient, scalable, and secure

– Design and manage databases, including schema design and improvements, query optimization, and ensuring data integrity and security

– Develop and maintain integrations between different parts of the system and with external services, ensuring robustness and clear documentation

– Ensure code is developed with a comprehensive understanding of deployment procedures and how it will function within the overall project scope

– Implement and maintain comprehensive test coverage to ensure the reliability and stability of the codebase

– Regularly maintain and refactor the codebase to address issues, improve performance, and manage technical debt

– Work closely with a geographically distributed team of engineers, QA, UI/UX designers, and PMs to ensure seamless integration, align on project goals, and collaboratively address technical challenges

– Actively participate in regular internal team meetings and company-wide meetings to stay aligned with project goals, share updates, and contribute to broader organizational challenges

– Implement and adhere to security best practices to protect against common vulnerabilities and ensure the safety of the application and its data
 

Mandatory Requirements

– 4+ years of experience in commercial software development

– Experience with the Go programming language (or any other similar), including its syntax, standard library, and best practices for writing efficient, clean, and maintainable code

– Experience with relational databases, including writing and optimizing SQL queries, designing schemas, and managing migrations

– Basic understanding in containerizing applications using Docker and managing Dockerfiles

– Experience with CI/CD pipelines, automating build, test, and deployment processes, and familiarity with tools like Jenkins or GitHub Actions

– Proficiency in Git for version control, including branching, merging, pull requests, and code review practices

– Proficiency in testing and debugging, including writing unit and integration tests

– Ability to design and implement scalable RESTful and GraphQL APIs, with a strong emphasis on security best practices (e.g., OWASP Top 10)

– Analytical and problem-solving abilities to address technical challenges and optimize existing systems

– Strong communication and documentation skills with the ability to explain technical concepts to both technical and non-technical stakeholders
 

Will be a plus

– Understanding of concurrency models, goroutines, channels, and parallelism

– Familiarity with additional database technologies like Cassandra, Redis, or Elasticsearch can be beneficial for handling diverse data storage and retrieval needs

– Familiarity with cloud platforms such as AWS, including deployment, scaling, and managing services

– Experience with GraphQL, which can complement RESTful API skills

– Experience with message brokers can be useful for managing asynchronous communication in distributed systems

– Familiarity with Ruby on Rails since we have an internal project using this framework
 

We offer

– Equipment

– Ongoing learning opportunities

– Insurance for employees and family

– Opportunity for the most experienced employees to work in the US office in the future

Our partner is an American company that has developed a specialized leave management system. Among the product’s clients are Google, IBM, Meta, Adobe, and other leading global corporations.

We are looking for a Golang and a Software Architect to join a team of highly skilled engineers, where the minimum development experience is 12 years.
 

Main Responsibilities

– Participate in the design, implementation, and maintenance of server-side code for web applications and services, ensuring it is efficient, scalable, and secure

– Design and manage databases, including schema design and improvements, query optimization, and ensuring data integrity and security

– Develop and maintain integrations between different parts of the system and with external services, ensuring robustness and clear documentation

– Ensure code is developed with a comprehensive understanding of deployment procedures and how it will function within the overall project scope

– Implement and maintain comprehensive test coverage to ensure the reliability and stability of the codebase

– Regularly maintain and refactor the codebase to address issues, improve performance, and manage technical debt

– Work closely with a geographically distributed team of engineers, QA, UI/UX designers, and PMs to ensure seamless integration, align on project goals, and collaboratively address technical challenges

– Actively participate in regular internal team meetings and company-wide meetings to stay aligned with project goals, share updates, and contribute to broader organizational challenges

– Implement and adhere to security best practices to protect against common vulnerabilities and ensure the safety of the application and its data
 

Mandatory Requirements

– 4+ years of experience in commercial software development Go programming language

– 10+ years of experience with software development

– Experience with relational databases, including writing and optimizing SQL queries, designing schemas, and managing migrations

– Basic understanding in containerizing applications using Docker and managing Dockerfiles

– Experience with CI/CD pipelines, automating build, test, and deployment processes, and familiarity with tools like Jenkins or GitHub Actions

– Proficiency in Git for version control, including branching, merging, pull requests, and code review practices

– Proficiency in testing and debugging, including writing unit and integration tests

– Ability to design and implement scalable RESTful and GraphQL APIs, with a strong emphasis on security best practices (e.g., OWASP Top 10)

– Analytical and problem-solving abilities to address technical challenges and optimize existing systems

– Strong communication and documentation skills with the ability to explain technical concepts to both technical and non-technical stakeholders
 

Will be a plus

– Understanding of concurrency models, goroutines, channels, and parallelism

– Familiarity with additional database technologies like Cassandra, Redis, or Elasticsearch can be beneficial for handling diverse data storage and retrieval needs

– Familiarity with cloud platforms such as AWS, including deployment, scaling, and managing services

– Experience with GraphQL, which can complement RESTful API skills

– Experience with message brokers can be useful for managing asynchronous communication in distributed systems

– Familiarity with Ruby on Rails since we have an internal project using this framework

We offer

– Equipment

– Ongoing learning opportunities

– Insurance for employees and family

– Opportunity for the most experienced employees to work in the US office in the future

Description

We are seeking a Senior Software Engineer to join our Fleet Migration Team. The team develops software tools that automate customer VM movement across data center clusters without service disruption. You will write the automation services and coordination scripts that power our large-scale transition to ARM hardware.

Requirements

Education & experience: Bachelor of Science in Computer Science, Systems Engineering, or a related field, plus heavy experience in systems automation and backend tool development.
Programming Languages: High proficiency in Python and Go, along with Bash scripting.
Virtualization & OS: Good understanding of Linux hypervisors, VM storage snapshots, and state transfer mechanisms.
API & Systems: Experience building CLI tools, REST APIs, and database-backed workflow engines.

Job responsibilities

Build and maintain backend services and CLI scripts to automate customer-driven warm/cold VM migrations.
Implement state tracking, validation checks, and rollback logic for automated migration jobs.
Integrate migration automation with central database state stores and orchestration APIs.
Troubleshoot migration failures and performance bottlenecks during operational test runs.

We are a senior engineering team hiring a backend engineer for a long-term role inside a client's product team. The client is a product company with a large user base. We share its name only with engineers who pass our technical call.

Engineers there shape what gets built, not only how, and work directly with product people.

The product's image and video generation runs on ComfyUI workflows, so hands-on ComfyUI is a must for this role.

What matters most to us
• You have built or run ComfyUI workflows yourself, with models deployed locally and custom nodes in the pipeline
• You have built a product that people use every day, and you can point to the parts you owned
• You think about the person using the product. You question a feature when it does not serve them and suggest a better one
• Experience with consumer products built around image or video is a strong plus

What you will do
• Build and run ComfyUI workflows for image and video generation
• Build and scale the backend services around them in Go
• Run background jobs reliably, with queues, retries and idempotent steps
• Turn new models into features people actually use

You should have
• Hands-on ComfyUI, at least on your own projects
• 3+ years of Go in production and 5+ years of backend work overall. 
• Experience owning parts of a production system end to end
• Fluent English for daily work with the client team

The role is full time, 40 hours a week, long term, with a working day that overlaps European business hours. Individual engineers only, no agencies.

How we hire: a call with our CTO about your ComfyUI work, your product work and your code, then a call with the client's team. Both are live, with screen share and without AI assistants.

To apply, open your application with a link to a ComfyUI workflow you built or ran, or one sentence on what it did. Applications without it will not be read.

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies.

We are looking for a Senior Go Engineers! 

Requirements:

• 4+ years of experience with Go programming language.
• Proven ability to design and implement scalable and reliable software solutions.
• Strong understanding of event-driven architecture.
• Experience with containerization and orchestration tools like Docker and Kubernetes.
• Hands-on experience with RDBMS and/or NoSQL databases.
• Strong understanding of event-driven architecture + hands-on experience with Event Brokers.
• Experience with observability — implementing logs, metrics, and tracing.
• Proficiency in working with cloud platforms such as Google Cloud Platform (GCP) and/or AWS.
• Proficient in using Git, GitLab, and GitLab CI for source control and continuous integration.
• Excellent problem-solving abilities.
• Strong time management and organizational skills to handle multiple tasks effectively.
• Upper-intermediate level of English, both written and verbal.
   

Nice to have:

• Familiarity with the Twelve-Factor App methodology.
• Knowledge of Cloud Events and GitOps practices.
   

Responsibilities:

• Develop high-performance, testable, and maintainable code to deliver new functionality.
• Conduct code reviews to ensure quality, maintain standards, and share knowledge across the team.
• Integrate industry-leading third-party services into the platform.
• Mentor team members and actively share knowledge to foster growth and collaboration.
• Propose and implement innovative technical initiatives to improve systems and processes.
   

Why Join Us:

• Flexible remote or hybrid working format based on your location.
• No Time Trackers: We value trust and focus on results.
• Career growth, professional development, and regular performance reviews.
   

Hiring Steps: HR Interview > Technical Interview (no test task, no live-coding needed) > Reference check > Offer
 

Our benefits to you:
☘️An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed

🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided

🏖Paid vacations, sick leave, personal events days, days off

💵Referral program — enjoy cooperation with your colleagues and get the bonus

📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences

🎯Rewards program for mentoring and coaching colleagues

✈️In-house Travel Service

🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie / book / pets lovers and more

🎳Other benefits could be added based on your location 
 

Meet the YozmaTech YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster. We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact. Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.

Our client is in the process of solving one of the biggest pain points for B2B service providers: getting paid on time by providing an effortless, first-of-its-kind automated platform. In a $74B market and backed by renowned investors, frees businesses from manual work hassle and high operational costs, allowing employees and managers to focus their time on growing their businesses instead. As we enter our hyper-growth stage, this is a rare opportunity to join an amazing team that is on its way to revolutionizing B2B payments.

We're on the lookout for an exceptional Backend Engineer to join our team and become a key player in shaping the future of our products and company. This is your chance to be a significant building block at this thrilling and pivotal moment before we soar to even greater heights.

Key Requirements:
🔹 Working hours: 12:00 PM to 9:00 PM (Ukrainian time)
🔹 An experienced Backend Engineer with a minimum of 4 years in the field
🔹 Hands-on proficiency in Go — must have;
🔹 Hands-on proficiency in TypeScript — strong advantage;
🔹 Experience in system architecture and design - a plus
🔹 Experience with processes such as TDD / Extreme Programming / Kanban - a big plus.
🔹 Experience with GCP, AWS, or other cloud providers - a plus
🔹 Familiarity with database systems (e.g., PostgreSQL)- a big plus.
🔹 Experience in designing, prioritizing and leading software projects - a plus
🔹 Can juggle at least three flaming chainsaws while riding a unicycle
🔹 B.Sc. in Computer Science (or equivalent).
🔹 English – Upper-Intermediate or higher.

Will be plus:
🔹 Experience working in a startup company.

What you will do:
🔹 Scope, design, and implement high-performance APIs and services
🔹 Collaborate with engineers and product managers to deliver robust solutions in short development iterations
🔹 Develop maintainable and clean code with heavy reliance on developer testing
🔹 Make thoughtful trade-offs based on business priorities, user needs, and a sustainable technical foundation;

Interview stages:
🔹 HR interview;
🔹 Technical Interview
🔹 Design Interview / Design Task
🔹 Final Interview (Optional)
🔹 Reference Check;
🔹 Offer;
 

Short overview of the project (What technology stack is used on the project, and length of the project)

AI tourism platform looking for a Team Lead Product Engineer who uses AI to ship fast.

📚 Our stack:

Backend: Go monorepo (no framework, 3+ services)

Hosting: PaaS-managed containers, local setup fully mirrors production via Docker Compose

Tools: Jaeger tracing, Betterstack (Logging, Alerting), Redis Asynq queue

Databases: PostgreSQL, Redis

AI tooling: Claude Code (mandatory)

🚢 Products you will lead a pod on:

An AI search & recommendation engine for major travel enterprises: heavy client integration work (SSO, security reviews, GDS integrations) with demanding enterprise customers

A content enrichment API: high-scale, data- and AI-focused backend work

Partner and supplier integrations, data ingestion pipelines, LLM providers

Employment and number of hours per week/month (part-time, full-time, freelance)

Engagement: full-time, 40 hours/week

Candidate’s location and required Time Zone for work

Location: remote, within ±3 hours of CET

Timezone is the main priority, so your usual scope of EU and Ukraine within the required overlap works well. 

Language of communication

Language: English required

Functional responsibilities (What will an employee do on the project?)

⚠️ European or African timezones (±3 hours from CET) Available full-time (40 hours/week)

⚠️IMPORTANT: This is not a traditional coding role. You'll use Claude Code and other AI tools to 10x your output, always thinking about how the product or feature you are working on benefits the user. Also: we have no QA team, you OWN the quality of what you ship!

A Team Lead is the spokesperson, coordinator and facilitator for their pod, internally with product, design and leadership, and externally with clients. You come from the management path, not the deep-specialist path: you have seen a lot as a developer and have consciously decided that enabling a team, working with clients and driving product outcomes is what energises you now, not coding all day.

You remain a hands-on engineer. Expect roughly 30-40% of your week on coordination, client and product work, and the rest as an individual contributor. This is not an HR-style people-management role: no performance reviews, no career coaching. As we scale, light one-on-ones and check-ins may become part of it, but the job is coordination and delivery, not administration.

What you'll actually do:

Be the spokesperson for your pod, internally with product, design and leadership, and externally with clients and partners

Coordinate work across the pod: break initiatives into chunks, sequence them, surface blockers and facilitate hand-offs (lightweight project management, we deliberately have no project managers)

Gather client requirements first-hand and funnel them straight into the pod so nothing gets lost in translation

Represent your pod in product planning sessions and bring a strong product-driven point of view to scoping and trade-offs

Help pod members with product decisions and prioritisation, enabling engineers who may be technically stronger than you

Contribute hands-on as an engineer: own features end-to-end, use Claude Code to generate Golang backend code, review AI output for quality and architectural fit

Join client meetings to align on requirements, report on delivery and keep the relationship professional and calm

Requirements for a candidate

Min 5 years of experience

2-3+ years of technical leadership experience leading a team, squad, pod or similar unit (a hard must, think team lead or early-stage engineering manager)

A developer's background (5 years minimum): you have seen production reality with your own hands before moving towards leading people

A genuinely product-driven mindset: you think about user value and business outcomes before implementation

Comfort facilitating and coordinating a pod without relying on formal authority

Willingness and ability to take part in client meetings and act as the external face of your pod

Excellent spoken and written English for planning sessions, stakeholder updates and client conversations

Ownership mentality with a strive for elegantly simple, high-quality solutions; you test your own work thoroughly since we have no QA team

Proven experience using Claude Code, share specific examples

Solid Golang experience, you'll review AI's code and you must understand how it works

Ability to do on-call once in a while to help maintain our platform's reliability & uptime

Must-Have Requirements (Team Lead — no flexibility on any)

Go (Golang): Real production experience, not just personal projects. No flexibility on other technologies.

AI/backend engineering: Deep knowledge of building and productionizing complex AI systems — observability, reliability, quality

Product mindset: Ability to think beyond engineering toward product outcomes

Leadership: Capable of leading without needing coaching or internal mentoring

English communication: Very strong, given client-facing responsibilities

Minimum 5 years of experience across the board

Candidates should be responsible for testing their own code — QA ownership expected

The Team Lead will head a small pod (not a traditional manager with direct reports)

Client-facing responsibilities begin from onboarding, with full client-facing ownership expected to grow over time

Also they will have on-call duties (now it’s during working hours and weekends, rotation among team members, but later they want to have 24/7 on call, so one person will be on-call for 24 hours (probably) and it will be compensated extra). 

Nice-to-Have

German language: A significant bonus but not required — the one criteria the client can flex on

Any special requirements for the person 

❤️ You are a great fit if you:

Made the classic developer's fork-in-the-road decision, lifelong engineer or leading people, and chose people, clients and product

Are energised by product planning sessions and have opinions about what the pod should build next, not just how

Are comfortable being the face of your pod, in internal planning rooms and on calls with enterprise clients

Enjoy enabling engineers who are technically stronger than you

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies.

We are looking for a Team Lead GO to join our team!

Requirements:

- 3+ years of development experience with Go;

- Strong time management and organisational skills;

- Ability to design and implement scalable and reliable software solutions;

- Excellent problem-solving skills;

Git, GitLab, GitLab CI;

- Experience with multiple databases (RDBMS, NoSQL, Redis) and messaging services (Kafka, NATS), ideally run in a cloud environment;

- Strong system design skills;

REST/RPC transports;

- Practical knowledge of containers (Docker, Kubernetes);

- Experience with microservices design and development;

- Understanding of the importance of a well-organised codebase and documentation;

- Strong analytical skills and an open-minded, creative team player mindset;

- English: Upper-Intermediate.

Will be plus:

- Understanding of event-driven architecture;

- Understanding of Twelve-Factor App methodology;

CloudEvents;

- Experience working with cloud services (GCP/AWS);

- GitOps;

- Terraform;

- Helm/ArgoCD;

- Grafana/Tempo/Loki + Prometheus;

- High-load systems;

- Experience coordinating complex third-party dependencies.

Soft Skills

- Responsibility;

- Sociability;

- Proactivity;

- Self-organization.
 

Responsibilities:

- A Team Lead is the day-to-day technical coordinator of a specific team, acting as the execution arm of the EM and ensuring that the team is focused, unblocked, and working efficiently toward shared goals.

- They ensure smooth operation, coordination, and quality within the team, while escalating architectural, technical, or people matters to the EM.

- They are accountable for team delivery, individual growth, and operational excellence within their scope.

Technical Leadership, Ownership & Support:

- Own the day-to-day technical execution within the team, from new features to bug fixes and quality improvements.

- Ensure the team's code quality through reviews and enforcement of best practices (testing, security, maintainability). 

- Drive code reviews, enforce coding standards, promote testing and documentation, and help the team write robust, production-ready code.

- Support and contribute to hands-on coding and testing. Lead by example through hands-on development, particularly for complex or critical features.

- Own delivery of team components and backend capabilities as defined in sprint goals.

- Facilitate design discussions within the team; escalate complex architecture topics to EM or Architect.

- Raise and track technical debt; provide input to the EM for prioritization.

- Facilitate task prioritization, workload balancing, and sprint planning. - Track progress, identify risks, and resolve blockers.

Planning & Delivery Coordination:

- Ensure alignment with PMs, QA, DevOps, and BAs on deliverables. 
- Work closely with PMs, EMs, QAs, and BAs to ensure that deliverables are clearly understood, scoped, and assigned.

- Break down work items into deliverable tasks in collaboration with PMs and EMs, balancing workload fairly across developers and helping manage priorities during sprints.

- Actively participate in sprint planning, stand-ups, and retrospectives.

Monitor team progress and adjust scope or priorities when needed, escalating blockers to the EM.

- Maintain transparency on delivery status and keep stakeholders informed of changes, delays, or challenges.

- Coordinate hand-offs and dependencies within the team and with adjacent teams.

People Leadership & Development:

- Directly manage engineers on the team (Juniors, Middles, Seniors).

- Conduct 1:1s, performance evaluations, career growth discussions, and coaching.

- Provide day-to-day mentoring and guidance to developers, especially junior and mid-level engineers, by answering questions, sharing context, and offering feedback.

- Foster a positive and inclusive team culture; ensure psychological safety, motivation, and team morale.

- Participate in team growth activities, including hiring, interviewing, candidate evaluation, and onboarding of new engineers.

- Identify talent and growth opportunities; support professional development. 

- Partner with EM and Domain Lead to hire, onboard, and retain high-quality engineers.

- Encourage a sense of ownership and pride in the team's work; celebrate wins and learn from failures together.

Communication & Reporting:

- Keep EM and PM informed of team progress, risks, and dependencies.

- Share updates from EM or domain leads with the team.

- Act as the go-to person for team-level updates in cross-team syncs or sprint reviews.

- Participate in cross-team discussions to ensure alignment with domain strategy and priorities.

Success Criteria:

- The team consistently delivers on commitments with high quality.

Engineers are growing in skills and autonomy.

- The team operates efficiently, collaborates effectively, and maintains a healthy culture.

- Stakeholders trust the team for delivery, transparency, and problem-solving.

Our benefits to you:
☘️An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed

🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided

🏖Paid vacations, sick leave, personal events days, days off

💵Referral program — enjoy cooperation with your colleagues and get the bonus

📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences

🎯Rewards program for mentoring and coaching colleagues

✈️In-house Travel Service

🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie / book / pets lovers and more

🎳Other benefits could be added based on your location

We are looking for a Senior Backend Engineer to join the Core Banking Services team and help build and scale a high-performance Banking-as-a-Service (BaaS) platform.

The team develops secure, highly available backend services that enable internal products and partner banks to manage customers, accounts, and core banking processes. You will work on distributed systems supporting critical financial operations, with a strong focus on scalability, reliability, security, and clean architecture.
 

Responsibilities:

• Design, develop, and maintain scalable backend services using Node.js and TypeScript.
• Build and maintain REST APIs and event-driven services within a serverless AWS architecture.
• Work with AWS services such as Lambda, SQS, API Gateway, EventBridge, DynamoDB, and S3.
• Contribute to the design and evolution of distributed systems supporting core banking processes.
• Take part in architectural and technical decisions, solution design, and technical documentation.
• Collaborate with other engineering teams and external partners to define and manage system integrations and dependencies.
• Develop reliable and well-tested solutions, covering unit, integration, and system testing.
• Work with Infrastructure as Code and contribute to improving CI/CD pipelines and development processes.
• Participate in threat modeling and contribute to building secure and resilient services.
• Take ownership of production reliability, including participation in an on-call rotation, incident investigation, root-cause analysis, and hotfixes.
• Proactively identify opportunities to improve system performance, reliability, and engineering practices.
   

Requirements:

• 5+ years of commercial Node,js backend development experience.
• Strong hands-on experience with TypeScript.
• Solid experience building distributed and event-driven systems.
• Strong practical experience with AWS, particularly serverless services such as Lambda, SQS, API Gateway, EventBridge, DynamoDB, and S3.
• Experience with Infrastructure as Code, preferably Terraform and/or AWS CDK.
• Good understanding and practical application of software design patterns and clean architecture principles.
• Experience with RESTful API design and OpenAPI.
• Strong testing experience, including unit and integration testing.
• Experience working with event-driven architectures and messaging technologies such as Kafka.
• Strong problem-solving and analytical skills.
• Ability to take ownership of technical solutions and work independently.
• Excellent communication and collaboration skills.
• Fluent English.
   

Nice to Have:

• Experience with monorepo setups, such as pnpm workspaces or similar.
• Experience with MySQL and ORM technologies such as Prisma.
• Experience with DynamoDB or other NoSQL databases.
• Previous experience in banking, fintech, payments, or other highly regulated domains.

We are building a distributed GPU-compute marketplace. Buyers launch GPU workloads and inference deployments. Provider nodes run workloads through a Go control plane and a Linux-based Rust agent.

We are hiring a Senior Go Backend Engineer to own correctness-critical backend systems: job lifecycle, placement, billing, provider operations, and API contracts.

You will work directly with the CTO on a system where transactional correctness matters. A duplicate request, failed worker, agent restart, or incomplete usage record must not create free compute, double-charge a buyer, or release a GPU while work is still running.

What you will own

- Go services and APIs for buyers, providers, operators, and agents.

- PostgreSQL data models, migrations, transactions, locking, and query performance.

- Job lifecycle and placement across GPU provider nodes.

- Prepaid billing, reservations, settlement, refunds, reconciliation, and audit records.

- Background workers, idempotent retries, and recovery after partial failure.

- Secure agent APIs using mTLS and signed short-lived credentials.

- Tests that prove correctness under retries, concurrent requests, and failure cases.

- Clear API contracts, OpenAPI documentation, metrics, and operational diagnostics.

Our stack

- Go backend services.

- PostgreSQL, Redis, NATS, and JetStream.

- Rust agent on Linux GPU hosts.

- Kubernetes, Prometheus, Grafana, and GCP.

- Next.js frontend.

What we need

- 5+ years of backend engineering experience.

- Strong production Go experience.

- Strong PostgreSQL experience, including transactions, indexes, migrations, and query analysis.

- Experience building distributed or event-driven systems.

- Experience designing idempotent APIs and handling retries or partial failures.

- Strong testing discipline, including integration tests.

- Experience with Redis, message queues, or NATS.

- Ability to reason clearly about correctness, security, and money movement.

- Clear written communication and ownership from design through production support.

Nice to have

- Payments, billing, ledger, marketplace, fintech, or accounting-system experience.

- Kubernetes, GCP, and production observability experience.

- mTLS, cryptography, signed credentials, or security-sensitive APIs.

- Rust, Linux, GPU infrastructure, or distributed-systems operations.

This is a hands-on senior role. You will ship production Go code, review critical changes, investigate failures, and improve the system so that it stays correct under real production conditions.

Our client is the leader in the Early Childhood Education (ECE) sector, providing the most widely used developmental assessment and curriculum system in the US. They are looking for a talented, innovative and creative Golang Developer to join the platform team. They believe that great technology experts are also software generalists who are unafraid to jump up and down the stack to solve the problems that come their way. If you thrive in fast-paced environments, and like working on software that supports millions of daily users, then this opportunity is exactly what you’ve been looking for!

Their Software Engineering team is responsible for building out SaaS solutions used by educational organizations across the globe. The team works on a wide variety of projects, solving existing problems and enabling new business objectives. Their platform is evolving, so you need to be someone who can build new functionality and learn new technologies quickly as well as be able to maintain and extend existing code to support organizational needs.

As a Senior Golang Engineer, you will:

• Develop new features, components, and modules to support organizational growth;
• Implement a robust set of services and APIs to power high-traffick SaaS platform;
• Participate in planning, analysis, and design of new software solutions;
• Investigate, troubleshoot, and remedy performance bottlenecks in the application flow;
• Learn new technologies and keep up with both traditional and emerging best practices;
• Works independently and collaborates with other team members to ensure successful project delivery.

Qualifications:

• 5+ years of production experience in software engineering and SaaS product development;
• Senior-level knowledge of Golang;
• Strong knowledge of relational databases (ex. PostgreSQL);
• Strong communication and listening skills; ability to communicate complex technical problems, root cause analysis, and propose solutions;
• Proficiency with Python preferred;
• Front-end development experience preferred;
• Experience using AI developer tools (e.g., Codex), with an AI-forward mindset;
• At least Upper-intermediate level of English (B2 or higher);
• Experience with Agile methodology and software development;
• Self-starter with a strong sense of collaboration, teamwork, and accountability;

• Working knowledge of AWS and familiarity with its services (Kubernetes, Redis, SQS/SNS, etc.);

   

We offer:

• Competitive market salary;
• Fully remote work;
• Convenient and somewhat flexible work hours (you will have to work until 8 pm Kyiv time GMT+3, or 1 pm EST);
• 28 days of paid unbillable time per year;
• Working on a very socially valuable product, alongside a highly professional, US-based, international team;
• Interesting challenges and the ability to grow and learn.

We are the creators of a new fintech era!
Our mission is to change this world by making blockchain accessible to everyone in everyday life. WhiteBIT is a global team of over 1,200 professionals united by one mission — to shape the new world order in the Web3 era. Each of our employees is fully engaged in this transformative journey.
We work on our blockchain platform, providing maximum transparency and security for more than 8 million users worldwide. Our breakthrough solutions, incredible speed of adaptation to market challenges, and technological superiority are the strengths that take us beyond ordinary companies. Our official partners include the National Football Team of Ukraine, FC Barcelona, Lifecell, FACEIT and VISA.
 
The future of Web3 starts with you — join us as a Blockchain Platform Engineer!
 
Requirements:

— Experience: 4+ years of professional experience in software engineering, where the last 2+ years was hands-on experience in the blockchain domain.

— Strong production Golang: you write and ship services in Go, and you are comfortable reading, debugging and patching upstream Go codebases.

— Blockchain Expertise: Extensive experience with Ethereum, including a deep understanding of its protocol, smart contract development, and associated technologies.

— Hands-on experience in developing, deploying, and maintaining smart contracts on EVM chains (Solidity).

— Understanding of L2s and optimistic rollup fundamentals: block derivation from L1, batch submission, state proposals, the withdrawal flow, and forced inclusion.

— Understanding of OP Stack components and architecture.

— Kubernetes and CI/CD: familiarity with Kubernetes for container orchestration and CI/CD tools for deployment automation.

— Monitoring Tools: Familiarity with monitoring tools such as Prometheus and Grafana for performance tracking.

— Cloud Platforms: Familiarity with cloud platforms (preferably AWS) and experience with containerization (Docker) is a strong plus.
 

Would be a plus:

— Rust at the level of reading and patching code.

— Understanding of fault proofs: dispute games, bisection, FPVM, as well as ZK-based approaches.

— Experience in conducting and successfully passing smart contract security audits.

— Experience in developing blockchain nodes, bridges, indexers, etc.
 

Responsibilities:

— Deploy, upgrade, and operate OP Stack components.

— Set up monitoring and alerting: Prometheus, Grafana, PromQL dashboards, instrumentation of domain metrics (economic, bridge, sequencing).

— Take part in the on-call rotation, drive incident response, and write post-mortems and runbooks.

— Work with the smart contracts, security and product teams on launches, network upgrades and hard fork activations.

— Foster collaboration, knowledge sharing, and professional growth.

— Work closely with cross-functional teams to define project requirements and ensure alignment with business objectives.

— Stay updated on advancements in blockchain technology and Ethereum, and apply new features and best practices to enhance our solutions.
 

Work conditions:

Immerse yourself in Crypto & Web3:
— Shape the Future — Work on high-impact blockchain products at the forefront of Web3.
— Innovate & Create — Your ideas drive real-world solutions and technological breakthroughs.
— Global Reach — Build scalable solutions for businesses and users worldwide.
— Web3-Powered Culture — A team of visionaries who believe in decentralization and innovation.
 
Work-Life Balance & Well-being:
— Modern equipment.
— Comfortable working conditions, and an inspiring environment to help you thrive.
— 24 calendar days of paid leave.
— Additional days off for national holidays.