Jobs

We are looking for Senior Go Developers to join our team on a cutting-edge project! The project involves understanding client's schemas, collaborating with platform teams, writing a batch job to migrate data between PostgreSQL databases, and updating a gRPC service in Go.

Requirements:
 

• 5+ years of experience in Software Development;
• Proficiency Go programming language;
• Experience with distributed system and storages (PostgreSQL, Cassandra and so on);
• Experience with GraphQL, REST, HTTP, Thrift, gRPC and the ability to design and implement maintainable APIs;
• Proficiency in developing and deploying services and RESTful APIs;
• Solid understanding and hands-on experience with Linux systems.

Nice to Have:
 

• Experience with Python;
• Familiarity with unit testing and other automated testing.

Responsibilities:
 

• You will work with the existing engineering team and help contribute to the direction of the projection and team;
• Collaborate with cross-functional teams to design, develop, and implement solutions;
• Create and maintain APIs, rSpec testing suite, and middleware to facilitate data flow between systems;
• Perform system analysis, troubleshooting, and debugging to identify and resolve integration issues;
• Ensure compliance with security protocols and data privacy regulations during integration processes;
• Troubleshoot and optimize application performance to provide optimal experience;
• Ability to design maintainable database schemas and easy-to-understand data structures;
• Ability to design technical solutions with little direction or guidance;
• Engage in the team's organizational processes, such as planning, backlog refinement, and sprint reviews, to ensure effective collaboration and feedback;
• Collaborate with product managers and designers to understand requirements and translate them into technical solutions;
• Proactively identify and address potential technical issues and bottlenecks.

We’re currently hiring 2–3 expert Systems Engineers to join a remote R&D team focused on building mission-critical, cloud-independent edge runtimes for energy infrastructure.

The role involves developing resilient, fault-tolerant, low-latency real-time edge runtimes for EV charging control systems — designed to operate reliably even without cloud connectivity.

Key skills required:

• Strong GoLang experience (Rust and C are a plus)
• Hands-on experience with binary protocols, Protobuf, TCP/IP
• Knowledge of edge runtimes, fault-tolerant and low-latency systems

• Bonus: familiarity with OCPP, time-series databases, and real-time control

   

If you have a strong background in systems programming with Go and are excited by challenging real-time distributed systems, I’d love to hear from you.

Job Description

Over 5 years of commercial experience in software development;
Strong knowledge of Golang. Understanding of Java Core / Kotlin, Node.js;
Knowledge of React.js;
TypeScript would be a significant plus;
Experience with SQL(Postgres), NoSQL(MongoDB) databases;
Knowledge of Kubernetes (EKS), Docker is required;
Hands-on experience in implementing connectors, ideally related to Metadata, Cloud Data Governance and Catalog.
Understanding and practical experience in testing techniques (TDD);
English (both spoken and written) at least at Upper-Intermediate level to communicate effectively with an international team on a daily basis.
Nice-to-have skills: Experience with Apache Iceberg, Data Lineage tools, and Alteryx (or similar platforms).

Job Responsibilities

End-to-End Catalog Extension Development: Design, develop, and implement both the back-end APIs/SDKs and the front-end interfaces to create custom solutions that extend the core capabilities of the data catalog.
Deliver Comprehensive Catalog Solutions: Build and maintain full-stack solutions for robust search functionality, collaborative features, and self-service catalog capabilities, ensuring seamless integration between the user interface and underlying data services.
Design & Implement Scalable Data Solutions: Architect, develop, and maintain the entire stack for scalable metadata extraction, data lineage tracking, and advanced cataloging solutions, covering both data processing logic and its presentation.
Develop Integrated Enterprise Workflows: Create end-to-end custom workflows and automated solutions, including both front-end interactions and back-end integrations with enterprise systems, to enable data discovery, classification, cataloging, and comprehensive report generation.

Department/Project Description

Our client is a leading technology company that empowers organizations to achieve greater agility and trust in their data. They provide comprehensive solutions for data discovery and management, ensuring seamless scalability across all data types. Their platforms simplify data observability with unified business glossaries and advanced metadata management, enhancing lineage, trust, and quality.

Job Description

Over 7 years of commercial experience in software development;
Strong knowledge of Golang. Understanding of Java Core / Kotlin, Node.js;
Strong knowledge of React.js. Understanding of TypeScript would be a significant plus;
Knowledge of Kubernetes (EKS), Docker is required;
Experience with SQL(Postgres), NoSQL(MongoDB) databases;
Hands-on experience in implementing connectors related to Metadata, Cloud Data Governance and Catalog will be a big plus;
Understanding and practical experience in testing techniques (TDD);
Upper-intermediate or higher proficiency in English (spoken and written) for effective collaboration with a globally distributed team;
Nice-to-have skills: Experience with Apache Iceberg, Data Lineage tools, and Alteryx (or similar platforms).

Job Responsibilities

End-to-End Catalog Extension Development: Design, develop, and implement both the back-end APIs/SDKs and the front-end interfaces to create custom solutions that extend the core capabilities of the data catalog.

Deliver Comprehensive Catalog Solutions: Build and maintain full-stack solutions for robust search functionality, collaborative features, and self-service catalog capabilities, ensuring seamless integration between the user interface and underlying data services.

Design & Implement Scalable Data Solutions: Architect, develop, and maintain the entire stack for scalable metadata extraction, data lineage tracking, and advanced cataloging solutions, covering both data processing logic and its presentation.

Develop Integrated Enterprise Workflows: Create end-to-end custom workflows and automated solutions, including both front-end interactions and back-end integrations with enterprise systems, to enable data discovery, classification, cataloging, and comprehensive report generation.

Work collaboratively in a distributed team to satisfy customer needs;

Knowledge sharing & mentoring of junior members.

Department/Project Description

Our client is a leading technology company that empowers organizations to achieve greater agility and trust in their data. They provide comprehensive solutions for data discovery and management, ensuring seamless scalability across all data types. Their platforms simplify data observability with unified business glossaries and advanced metadata management, enhancing lineage, trust, and quality.

We’re looking for a Senior Golang Engineer to join our team. 

About Us:

Our client is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real time. Singularity XDR ingests data and leverages our patented AI models to deliver autonomous protection. With our client, organizations gain full transparency into everything happening across the network at machine speed – to defeat every attack at every stage of the threat lifecycle.

We are a values-driven team where names are known, results are rewarded, and friendships are formed. Trust, accountability, relentlessness, ingenuity, and define the pillars of our collaborative and unified global culture. We're looking for people that will drive team success and collaboration across a team. If you’re enthusiastic about innovative approaches to problem-solving, we would love to speak with you about joining our team!

About the team & role:

Our team is responsible for the backend part for the main product line - securing tens of millions of devices across the globe of all kinds of OS (Windows, Linux, macOS), and processing billions of security events every day.

• We are building services (e.g. gateways, caching, threat data ingestion etc) that process traffic & serve for two-way interaction between client's Agents on the protected devices and our cloud-based Management console (a large-scale distributed system, with a client facing, data-heavy & complex web application).
• We also enable features in this console that allow tens of thousands of users on IT security teams of our clients to manage our security SW deployed on endpoints in client's environments (e.g. investigating threats & notifications from protected devices; creating blocklists, exclusions, policies etc.).

You'll be joining a team with a significant impact on how our customers' environments are protected, how they interact with agents, gain visibility into their security posture, and understand the risks and act upon them. As a core team, we're heavily involved in every end-to-end effort, features development and are key contributors to the design and build of the right architecture of the cybersecurity solution to match the scale & hyper-growth of our business.

What will you do?

• Design, develop and support backend system serving for endpoint security
• Help us with initiatives around moving our services to a new deployment model.
• Tuning and adjusting our services to work with new CPU architectures.
• Improving the observability for our services.

Responsibilities: 

• Cross-Team Collaboration: Work closely with product, validation, and front-end engineering teams to deliver and maintain high-quality features.
• Code Quality and Maintenance: Write clean, maintainable code. Stay up-to-date with the latest advancements in backend technologies and security best practices.
• Innovation and Creativity: Bring creativity to the table. Explore new solutions and technologies to improve our product continuously.

Requirements: 

• Hands-on experience with Golang 
• Ability to quickly dive into new products and understand their inner working
• Self-driven individual
• Experience with Docker, Helm & Kubernetes
• Familiarity with AWS and/or other cloud platforms

Your main tools: Python (Flask, SQLAlchemy, Marshmallow) and Golang (we're using for new development); AWS&GCP; PostgreSQL, Redis, Kafka; Kubernetes, Docker; GitHub etc.

Nice to have: 

• Experience with Python 

   

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

WHO WE ARE

We are on a mission to build a comprehensive, end-to-end fintech platform for the circular economy, driving meaningful sustainability outcomes for our planet. We enable individuals to easily participate in circular economy workflows, seamlessly connecting them with key players in the recycling and refurbishment industries.

We’re a small, agile team working on innovative, cloud-native technologies to tackle complex real-world challenges.

THE PROJECT

Our platform is built with an event-driven architecture powered by AWS EventBridge and Lambda functions in Go. While some legacy microservices remain in Java Spring Boot, we are gradually migrating everything to a fully serverless infrastructure. Our infrastructure is entirely managed using AWS CDK, and we use PostgreSQL on Aurora as our main database, with some services leveraging DynamoDB.

We are looking for a highly motivated Software Engineer experienced in Go and AWS CDK to join our team and help shape the future of sustainable finance and technology.

RESPONSIBILITIES:

• Design, develop, and maintain scalable backend services using Go in an event-driven environment
• Work with AWS CDK to manage and provision infrastructure
• Participate in migrating Java-based services to Go
• Ensure high performance and responsiveness of the backend systems
• Collaborate closely with the engineering and product teams to deliver end-to-end solutions
• Take part in architectural decisions and influence the technical direction of the project
• Maintain clear and concise documentation of the systems and services

REQUIREMENTS:

What You Need:

• 4+ years of professional experience in software engineering
• Strong experience with Go (Golang)
• Proficiency with AWS services and infrastructure-as-code using AWS CDK
• Solid understanding of cloud-native architectures and distributed systems
• Experience with relational databases, particularly PostgreSQL on AWS Aurora
• Ability to write clean, maintainable, and efficient code

What We Would Love That You Have:

• Knowledge of Java, especially Java Spring Boot
• Experience working in early-stage startups or small engineering teams
• Familiarity with Docker, Kubernetes, and modern CI/CD pipelines
• Background in fintech, enterprise SaaS, developer tools, or AI-based products

• Bachelor’s or Master’s degree in Computer Science

  • Exceptional achievements such as founding a startup or building large-scale tech can substitute formal education
  • Non-CS education considered with a proven tech track record

   

Benefits:

• 🌍 Fully remote work with flexible hours (no time trackers)
• 🧠 Ability to influence technologies and tools used in your projects
• 🌴 20 business days of vacation per year
• 🤒 5 paid sick days
• 🇺🇦 All Ukrainian public holidays off
• 📊 Accounting support provided

We’re building reliable, scalable SaaS products used by modern businesses, and we’re seeking a Backend Engineer who is passionate about clean architecture, performance, and mentoring others. If you enjoy working in a collaborative environment where your ideas shape the product, we’d love to meet you.

What You’ll Do

• Build and maintain scalable backend services in Go
• Write automated tests and set up smart monitoring
• Join product discovery early to bring in the tech perspective
• Drive technical decisions for both current and future products
• Support product owners in prioritizing features that bring real value
• Work closely with your team to meet shared goals

What we expect:

• Solid experience in backend development (especially with Go)
• A strong problem-solver who writes clean, reliable code
• Confident in mentoring others and leading by example
• Collaborative mindset, but also comfortable working independently
• DevOps experience is a plus

Preferred Technical Experience

• Proficiency in Go, TypeScript
• Experience with Docker, Kubernetes
• Familiarity with cloud services (GCP, AWS, Azure)
• Strong understanding of Postgres or other SQL databases
• Experience with GraphQL, Protocol Buffers, gRPC

Benefits of Joining Us

- Top salaries based on your performance;

- Flexible hours and an accommodating home office policy;

- Big challenging projects with international clients;

- Cutting edge of existing technology ecosystems;

- Reimbursement of certification costs;

- Budget for learning materials, such as books, MOOC subscriptions or other up to your choice;

and more......

Our project is a well-known social media platform that fosters online communities and user-generated content. The project focuses on building and enhancing a user-driven economy, enabling individuals to earn money through various platform features. As part of a dynamic and fast-paced engineering team, you will work on high-impact projects at the intersection of backend systems, monetization, and platform scalability.

Requirements:

• 5+ years of commercial experience in backend development.
• Experience with Go & Python. Go Experience is a must
• Experience with GraphQL, Thrift, gRPC
• Experience with SQL.
• Ability to design and implement complex distributed systems operating under high load.
• Experience with partitioning, sharding, and replication is a plus.
• Experience with any of these: Kafka, Cassandra, Redis, PostgreSQL.

• Experience developing customer-facing public applications is preferred.

   

Responsibilities:

• Work cross-functionally, collaborate and partner with product, design, and other engineering counterparts to execute product and business strategy.
• Contribute to the full development cycle: technical design, development, test, experimentation, analysis, and launch.
• Participate with a team of thoughtful, fast-moving, and motivated engineers.
• Contribute to standards that improve developer workflows and recommend best practices.

• Contribute to strategic planning and decision-making processes for backend development.

   

Overlap time requirements: till 10 AM PST

Working conditions and benefits:

• Paid vacation, sick leave (without a sickness list)
• Official state holidays — 11 days considered public holidays
• Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support
• Flexible working schedule: 8 hours per day, 40 hours per week
• Personal Career Development Plan (CDP)
• Employee support program (Discount, Care, Health, Legal compensation)
• Paid external training, conferences, and professional certification that meet the company’s business goals
• Internal workshops & seminars
• Corporate library (Paper/E-books) and internal English classes.

Step into your future — apply now 🚀

🚀About the Team

DeXe is an AI-powered permissionless suite of tools for managing communities and assets off/on-chain. It is governed by DeXe DAO, the top 9 DAO by TVL in treasury, and the biggest on the BNB Chain. It features DeXe Protocol, the most extensive code base of smart contracts for treasuries and on-chain decision-making, and DeXe DAO Studio, a dApp for easy, no-code use, offering dashboards, automation, notifications, and a seamless user experience.

😎Who you are

A passionate GoLang Developer, you thrive on solving complex problems and continuously improving your skills in software development. Your focus is on delivering high-quality code and contributing to innovative projects.

🌟What do you bring?
2+ years of Golang development
4+ years of professional back-end development
Solid grasp of data structures, algorithms and design patterns
Proven experience designing microservice architectures and building REST/gRPC APIs
PostgreSQL expertise plus confident work with other SQL/NoSQL databases
Hands-on with Redis, Memcached, RabbitMQ
Production experience with Docker and Kubernetes
Programmatic interaction with EVM-compatible blockchains and understanding of their internals
Strong System Design skills (high load, fault tolerance, scalability)
English — B2 or higher; Ukrainian and/or Russian — C1

🌟What you will deliver?
Write scalable, reliable, well-tested Go code
Participate in architectural discussions and technology selection
Collaborate closely with Backend, Frontend, DevOps, and QA teams
Integrate and maintain services interacting with EVM blockchains

🌟Why this matters to you?

• Competitive earnings potential with bonuses
• Opportunity to shape the future of the crypto industry
• Propel your personal and professional growth with a tailored personal development plan
• Fully remote work opportunity- work from anywhere

We are looking for a Technical Lead to spearhead the design, development, and advancement of our core services powering blockchain-based applications. This position requires a strong combination of technical leadership, hands-on engineering, and team management. You’ll guide a skilled team in building scalable, secure backend systems while also playing an active role in defining architecture and writing code.

Key Responsibilities

Technical Leadership:

• Design and implement core backend services for blockchain applications, including APIs, messaging systems, identity/auth, wallet integration, storage, and data services.
• Define and enforce engineering best practices and coding standards.
• Drive architectural decisions in collaboration with senior engineers and stakeholders.
• Stay abreast of blockchain trends and translate those into strategic opportunities for the team.

Team Management:

• Provide direct line management to a team of engineers: hiring, performance management, mentoring, and career development.
• Foster a culture of accountability, continuous learning, and engineering excellence. Balance resource allocation across development, support, and innovation initiatives.

Cross-functional Collaboration:

• Work closely with Solution, DevOps, and Security teams to align technical capabilities with business needs.
• Translate product requirements into actionable technical plans.
• Champion communication and transparency between technical and non-technical stakeholders.

Hands-On Contribution:

• Spend a significant portion of your time writing and reviewing code (minimum 30-40%).
• Lead by example: actively troubleshoot, refactor, and optimize systems for performance and reliability. Participate in incident response and postmortem analysis to improve system resilience.

Requirements:

• 6+ years of backend or systems engineering experience with at least 2+ years in a technical leadership or line management role.
• Strong proficiency in one or more programming languages (e.g., Go, Rust, Java, Python).
• Proven experience building distributed systems or backend infrastructure, ideally for blockchain or decentralized applications.
• Solid understanding of cryptographic principles, consensus algorithms, or related blockchain components is a strong plus.
• Demonstrated ability to lead engineering teams while staying technically hands-on.
• Strong communication, interpersonal, and organizational skills.

Preferred Qualifications:

• Experience in Web3, DeFi, or other blockchain-related domains.
• Familiarity with containerized microservices (Docker, Kubernetes), cloud infrastructure (AWS/GCP), and CI/CD pipelines.
• Contributions to open-source blockchain projects are a big plus.
• Knowledge of performance profiling, observability, and scalability techniques.

We offer:

• Competitive compensation.
• Social package (24 working days of annual leave, 5 paid sick days).
• Flexible working hours.
• Challenging projects in diverse business domains and a variety of tech stacks.
• Personal development and professional growth opportunities.
• Work with talented, ambitious and family-feel teams.
• Educational possibilities: corporate courses, knowledge hubs, and in-house English classes.
• Compensation for your professional certification & support for your learning activities.
• Opportunity to choose IT equipment you like.
• Corporate social responsibility.

Description

We are building the world’s largest in-home care system. Healthcare is rapidly moving into the home, creating an enormous market opportunity that’s growing daily as consumers increasingly demand more convenient healthcare options.

Technology is the engine that powers our foundation. It ensures we can reach massive scale and drives
differentiation from any other healthcare company entering this space. We’re using data to ensure patient
safety and tailor the care to patients’ specific needs, which allows for better care delivery from patient
onboarding, patient care, and post-care follow-up.

The company is a Series E startup with more than $700m in funding and a $1B+ valuation. Backed by
Oak, Tiger Global, Alta Partners, Optum Ventures, Questa Capital, and EchoHealth Ventures.

As a team, we share the goal of driving the company forward and transforming healthcare through the technology we build. We believe the only way we can accomplish our goal is together, and that our whole is greater than the sum of our parts. We collaborate closely across every function because we recognize that no individual function can solve the whole problem as well as we can when we all work together.

With our teammates spread out across different cities, we actively support each other and cultivate an environment where everyone is comfortable sharing ideas regardless of seniority or function, and where the best ideas consistently win. We know the positive feeling we get when we feel heard, and we reciprocate that deep engagement with others when they’re talking or presenting so that we gain alignment and promote our collective actions.

Come join us on the journey to transform healthcare!

Requirements
• 5+ years of experience in software development building applications and services
• Proficiency in at least one programming language and familiarity with others (we use Go, TypeScript, Ruby, Python)
• Strong understanding of software design patterns, API design, and performance optimization
• Experience contributing to technical projects and collaborating across teams
• Demonstrated ability to make sound technical decisions that deliver value
• Experience building high-availability, fault-tolerant systems with containerization and orchestration (we use K8s on EKS)
• Familiarity with setting up and maintaining CI/CD pipelines (we use Github Actions, CircleCi, and ArgoCD)
• Passion for the DispatchHealth mission to improve patients’ lives in their homes

Standout Qualities:
• Experience with healthcare-specific technologies (e.g., HL7, FHIR, HIPAA compliance)
• Understanding of healthcare workflows and regulations

Job responsibilities

As a Senior Software Engineer, you’ll play a critical role in designing, building, and maintaining the core platform services that power our in-home healthcare solutions. Your technical expertise will help drive improvements in patient care and expand access to quality healthcare delivered directly to people’s homes.

Our backend is written in Go, TypeScript and Ruby.

Key Responsibilities:
• Design, develop, and maintain core services that enable high-quality medical care in patients’ homes
• Collaborate closely with product managers, designers, and fellow engineers to understand requirements, solve product gaps, and deliver robust solutions
• Participate in architectural discussions and contribute to technical decisions that enhance our technology platform
• Conduct code reviews to ensure code quality, maintainability, and provide constructive feedback to peers
• Stay up to date with new and emerging technologies, and help integrate them into our evolving infrastructure
• Take ownership of projects and features from design through implementation and deployment
• Be an active member of an inclusive, collaborative team that values healthy discussions and supports each other’s goals

COMFY — the leading omnichannel retailer of household appliances and electronics in Ukraine with over100 stores, which is among the top three e-commerce platforms. Every fourth Ukrainian family shops at COMFY.

We invite you to join the core team launching a new strategic direction for the company. As a Senior Backend Engineer, you will play a key role in building the technical foundation of a product that will reach millions of users. You will work closely with the CTO and senior colleagues to design a scalable microservices architecture, fostera culture of engineering excellence, and mentor the team. This is a unique opportunity to build a user-oriented product almost from scratch, with a tangible impact on the everyday life of Ukrainians.

Requirements:

Must have:

• 5+ years of software engineering experience

• 3+ years of Go development experience

• Strong experience with microservices architecture

• Proficiency in PostgreSQL, MongoDB, Redis, Elasticsearch

• Experience with Kafka

• Experience with Docker/Kubernetes

• Strong system design and communication skills

Nice to have:

• Experience with e-commerce platforms

• Experience with high load systems 

• Familiarity with event-driven architectures

• Experience in product-oriented engineering teams

• Mentoring experience

Your responsibilities:

• Microservices architecture: design and develop Go-based services  that process more than 100,000 transactions daily with a response time under 300 ms.
• Technical leadership: define development standards, establish best practices, and participate in decision-making on architectural committees.
• System integration: ensure smooth integration of new services into the existing technical infrastructure.
• Performance optimization: use PostgreSQL, MongoDB, Redis, Elasticsearch to maintain system stability under high loads.
• Cross-functional collaboration: interact with product managers, front-end engineers, and DevOps to deliver user-centric solutions.
• Knowledge sharing: support teammates, foster engineering culture and mentor middle and senior-level engineers.

Why join us:

• Technical autonomy: shape architectural solutions and set engineering standards.

• Real impact: your code will serve millions of Ukrainian families every day and transform the landscape of  e-commerce in Ukraine.

• Direct access to leadership: collaborate regularly with technical management.

• Social responsibility: join a company that actively supports Ukraine.

What we offer:

• A team of professionals and an innovative work environment
• A stable workload without a routine — every day is different
• The possibility of professional growth
• A comfortable office in Dnipro, a friendly atmosphere and an open culture
• Flexible work format (office/hybrid/remote)

Write to us if this sound like you ✉️

Up4 Play — Ordinary games made extraordinary
Ми створюємо мобільні ігри, які заряджають позитивом, захоплюють із першого кліку та залишають післясмак "Вау!". У звичайних механіках ми бачимо простір для емоційних пригод — яскравих, драйвових, веселих.
 

🔹 Хто ми?
Up4 Play — продуктова команда, що створює сучасний Social Casino сервіс з нуля. Наша мета — побудувати масштабовану та якісну екосистему мобільних ігор, що поєднує найкращі практики з геймдева, аналітики та монетизації.

Що ти робитимеш:

• Очолювати бекенд-напрям: проєктування та впровадження архітектури з нуля.
• Участь у розробці архітектурних рішень і виборі технологічного стеку.
• Повна відповідальність за серверну інфраструктуру: авторизація, баланс, логіка івентів, інтеграції.
• Написання та ревʼю масштабованого, ефективного та читабельного коду.
• Оцінка задач і контроль виконання в терміни.
• Побудова та підтримка CI/CD, моніторингу, алертів.
• Співпраця з Unity-розробниками, фронтендом, аналітиками та продактами.
• Інтеграція сторонніх сервісів: платіжні системи, push-повідомлення, аналітика, реклама.
  
   

Наш ідеальний кандидат має:

• 4+ років досвіду з Go (Golang) на продакшн рівні.
• Досвід у розробці мікросервісної архітектури.
• Практичний досвід у Gaming / Casino / Social Casino.
• Досвід з highload-системами: масштабування, кешування, fault tolerance.
• Розуміння клієнт-серверної взаємодії: REST, gRPC, WebSocket.
• Навички DevOps: Docker, Kubernetes, Helm, AWS, GitHub Actions.
• Досвід роботи з MongoDB (обов’язково), бажано Redis, PostgreSQL.
• Впевнене володіння інструментами моніторингу: Prometheus, Grafana, ELK.
• Інтеграція SDK/API (платіжки, аналітика, реклама).
  
   

Буде плюсом:

• Досвід з event-driven архітектурами (Kafka/NATS/Redis Streams).
• Досвід побудови адмін-панелей або внутрішніх тулів.
  
   

Ми пропонуємо:

🔹 Повна гнучкість: працюй з дому, офісу в Києві чи Варшаві — як зручно.
🔹 Гнучкий графік: твій ритм, твої правила.
🔹 27 оплачуваних днів відпочинку на рік.
🔹 Team Challenge та корпоративні активності, які справді хочеться відвідати.
🔹 Вплив на продукт та важливість твоїх рішень.
🔹 Простір для розвитку — твої ідеї не просто слухають, а реалізовують.

Job Opening: Senior Golang Developer

Up4 Play — Ordinary games made extraordinary
We create mobile games that spark joy, captivate from the first click, and leave a lasting “Wow!” feeling. In simple mechanics, we see space for emotional adventures — vibrant, dynamic, and fun.
 

🔹 Who are we?
Up4 Play is a product team building a next-gen Social Casino platform from scratch.
Our goal is to develop a scalable and high-quality ecosystem of mobile games, combining the best practices in game development, analytics, and monetization.

What you’ll do:

• Lead the backend direction: design and implement architecture from scratch.
• Take part in architectural planning and choosing the tech stack.
• Full responsibility for backend infrastructure: auth, balance, event logic, integrations.
• Write and review scalable, clean, and efficient code.
• Estimate task complexity and ensure timely delivery.
• Build and maintain CI/CD pipelines, monitoring, alert systems.
• Collaborate with Unity, frontend teams, analysts, and product owners.
• Integrate third-party services: payments, analytics, push notifications, ads.
  
   

We're looking for:

• 4+ years of production-level experience with Go (Golang).
• Strong background in microservices architecture.
• Hands-on experience in Gaming / Casino / Social Casino domain.
• Experience with highload systems: scaling, caching, fault tolerance.
• Client-server development expertise: REST, gRPC, WebSockets.
• DevOps proficiency: Docker, Kubernetes, Helm, AWS, GitHub Actions.
• Solid experience with MongoDB (required), Redis and PostgreSQL (nice to have).
• Familiarity with monitoring tools: Prometheus, Grafana, ELK stack.
• SDK/API integration experience: payments, analytics, ads.
   

Nice to have:

• Event-driven architecture experience (Kafka/NATS/Redis Streams).
• Admin panel/internal tool development experience.
  
   

We offer:

🔹 Total flexibility: work remotely, from our Kyiv or Warsaw office — or mix both.
🔹 Flexible schedule: your rhythm, your rules.
🔹 27 paid vacation days per year.
🔹 Team Challenges and corporate activities worth attending.
🔹 Real product impact and ownership of technical decisions.
🔹 Room for growth — your ideas will be heard and implemented.

🔸 Join Up4 Play and help us redefine mobile gaming!

Client

Our client is a division of the global business and financial news and information company, It's a leading market index provider and is the owner and distributor of multiple financial services, a dynamic information network with data, news and analytics including cash, derivatives markets, money markets, government and municipal bonds, currencies, commodities, mortgages, indices, insurance and legal information.

Project overview

The project relates to providing cloud-based infrastructure and a suite of self-service applications for clients, building tools and applications for connectivity provisioning, security and credential management and policy enforcement. The team is responsible for policy management, and implementing connectivity policy management.

Position overview

We are looking for a Full-Stack Developer proficient in Golang and React to design, build, and maintain scalable web applications, collaborating closely with cross-functional teams to deliver high-quality, performant solutions.

Technology stack

React, Golang

Responsibilities

• Build highly scalable, maintainable platforms using React and Golang
• Manage and shape the architecture of the client's platform
• Manage full project cycles (from prototyping to ensuring reliable deployments)
• Use best practices to create a high-performance application that is easy to maintain and extend
• Collaborate with the team to create a consistent and easy-to-use application across multiple platforms

Requirements

• 4+ years of back-end experience with Golang and front-end experience with React
• Experience with PostgreSQL
• Experience working with Restful API development
• Experience in developing cloud applications
• Experience in building architecture for an application
• Experience with microservices architecture
• Understanding SDLC development methodologies
• Knowledge of code testing methods (including BDD, and TDD)
• Experience with integration with third-party systems and services
• Skills of working with version control systems
• Skills of working with CI systems
• Experience in collecting and documenting technical requirements, creating products based on these requirements
• Strong team player in a flat-structured, highly collaborative, Agile environment
• Algorithm tasks solving experience
• Working proficiency and communication skills in verbal and written English

Nice to have

• Experience using modern technologies for building and testing pipelines
• Knowledge of testing tools and frameworks

We are building a modern fintech platform with deep integrations into payment providers and complex automated deal processing. Our production system is based on microservices using Go, PostgreSQL, and Docker.

What you’ll do:

• Develop and maintain REST APIs in Go
• Integrate with external payment service providers
• Work with complex PostgreSQL queries and optimize database performance
• Implement business logic aligned with a sophisticated data model
• Participate in technical decisions and infrastructure support

What we expect:

• 3+ years of Go development experience
• Strong skills in RESTful API design
• Solid knowledge of relational databases (PostgreSQL preferred)
• Hands-on experience with Docker and Git
• Understanding of distributed systems architecture
• Self-motivated, detail-oriented, responsible

Nice to have:

• Experience in fintech or payments domain
• Familiarity with payment gateway integrations
• Knowledge of monitoring and logging tools
• CI/CD experience (GitHub Actions, GitLab CI, etc.)

Why join us?

• Real production challenges with complex business logic
• Fully remote across Europe
• Opportunity to grow and influence a live fintech platform