Jobs Backend

• Project Description:

  You will join a Regulatory Reporting Platform within a large US investment bank. The platform is responsible for collecting, processing, and transforming large volumes of data from multiple internal systems to produce regulatory reports for 240 jurisdictions worldwide. In total, the platform supports around 10,000 reports across a wide range of regulatory, compliance, financial, and risk reporting areas.
  This is a large-scale, business-critical data platform operating in a highly regulated environment, where data accuracy, quality, traceability, and timely delivery are essential. The team works on building and enhancing data pipelines, implementing reporting logic, ensuring data validation and reconciliation, and supporting the generation of complex regulatory outputs.
  The project is delivered by a global distributed team with colleagues located in Ukraine, Poland, and the US, offering close collaboration with engineers, analysts, and business stakeholders across multiple regions.

• Responsibilities:

  - Design, develop, and maintain solutions for a large-scale Regulatory Reporting Platform
  - Build and enhance data processing pipelines using Java and Apache Spark
  - Implement scalable logic for data ingestion, transformation, aggregation, and enrichment from multiple internal data sources
  - Develop and optimize batch processing jobs to support the generation of regulatory reports across multiple jurisdictions
  - Ensure high standards of data quality, validation, reconciliation, and consistency throughout the reporting lifecycle
  - Translate business and regulatory requirements into robust technical solutions
  - Collaborate with business analysts, QA engineers, and cross-functional teams to deliver reporting functionality
  - Investigate and resolve data and application issues in development, test, and production environments
  - Improve application performance, scalability, and reliability for high-volume data processing workloads
  - Contribute to the design and implementation of reusable components and engineering best practices
  - Participate in code reviews, testing, and release activities to ensure high-quality deliverables
  - Work closely with distributed teams across Ukraine, Poland, and the US in an agile delivery model
  - Support continuous improvement of the platform, including monitoring, troubleshooting, and operational stability

• Mandatory Skills Description:

  - 6+ years of commercial experience with Java
  + 2+ years of experience with Spark
  - Experience in designing and developing scalable, high-performance backend applications
  - Good knowledge of SQL and working with large datasets from multiple data sources
  - Strong problem-solving skills and ability to work effectively in a global distributed team

• Nice-to-Have Skills Description:

  - Experience in financial services, investment banking, or regulatory reporting projects
  - Familiarity with data quality, reconciliation, and control frameworks
  - Experience working with large-scale enterprise data platforms
  - Knowledge of cloud environments and modern data platform architectures
  - Understanding of CI/CD practices and automated deployment pipelines
  - Experience working in Agile / Scrum teams within a distributed global setup

• Languages:
  • English: C1 Advanced

About the Company

Digis is a European IT company, part of Fiverr (NYSE: FVRR), with 250+ specialists delivering high-load SaaS platforms, enterprise solutions, and cloud-native products worldwide. We build long-term engineering teams and ensure transparency, stability, and professional growth for every talent.

About the Project

An established international technology platform that processes large volumes of real-time data and transforms complex information into intuitive, high-performance desktop applications.
The product is actively evolving, with new features, advanced visualization capabilities, and integrations being continuously introduced. We are looking for a C# Developer who enjoys building sophisticated desktop interfaces and solving challenging UI performance problems.
This is an opportunity to take ownership of desktop UI development, influence product decisions, and work closely with the CTO and experienced engineers on a mature, actively growing product.

Responsibilities

• Develop and enhance high-performance desktop applications using C#.
• Develop and implement intuitive, responsive desktop interfaces.
• Build interactive dashboards and advanced real-time data visualizations.
• Integrate live data streams and optimize UI performance.
• Collaborate with the engineering team to develop new features and improve the user experience.

Requirements

• 3+ years of C#/.NET development experience.
• 1+ year of WPF desktop development experience.
• Hands-on experience with real-time data visualization or dynamic UI development.
• English: B2 level or higher.

What We Offer

• Work on an established international product with complex technical challenges.
• Take ownership of desktop UI development and influence product decisions.
• Gain hands-on experience with real-time data processing and advanced visualization.
• Collaborate directly with the CTO and experienced engineers.
• Fully remote work with flexible working hours.
• Long-term cooperation and professional growth.
• Competitive compensation and benefits.

We welcome applications from candidates who believe their experience and skills could bring value to our team.

We are looking for a Senior Python Developer to join a USA-based project. The company is developing a next-generation web interface platform that helps people capture ideas, thoughts, and context seamlessly, wherever they are. The product combines software and hardware, including a voice-first interface and a wearable device designed to make interaction feel intuitive and fast.

This is an early-stage, high-ownership environment where engineers work closely with founders, influence technical decisions, and help shape both the product and the engineering culture from the ground up.
 

Requirements:

Core Requirements:
— 7+ years of experience building and shipping production software in startup or fast-growing environments.
— Solid backend development experience with Python (FastAPI or similar frameworks).
— Practical experience with React and building web applications.
— Experience designing and maintaining API-first systems (REST), asynchronous services, and distributed architectures.
— Advanced debugging skills and experience investigating production incidents.
— Good understanding of system performance optimization and reliability engineering principles.
— Hands-on experience with observability and monitoring platforms such as Datadog, Grafana, Prometheus, OpenTelemetry, or similar tools.
— Solid understanding of logging, tracing, metrics, and alerting systems.
— Ability to improve system reliability, reduce latency, and maintain operational stability.
— Practical use of AI tools in daily development (e.g., AI-powered IDEs, code assistants, testing or refactoring tools).
— Clear communication skills and the ability to collaborate effectively with non-technical stakeholders.
— High level of ownership with the ability to drive technical decisions independently.
— English — Upper-Intermediate level or higher.

Infrastructure & Cloud:
— Deep understanding of AWS services and cloud infrastructure management.
— Knowledge of infrastructure scalability, reliability, and cost optimization practices.
— Experience operating and maintaining production environments.
— Familiarity with CI/CD workflows and infrastructure automation tools.

Nice to Have:
— Background in fast-paced startup environments and collaboration with cross-functional engineering teams.
— Experience developing internal engineering tools and developer tooling.
— Exposure to on-call rotations and production operations.
— Experience with containerized environments and deployment pipelines.
— Experience monitoring and optimizing AI-related costs, usage, and performance.
— Understanding of asynchronous and AI-related workflows.

Responsibilities:
— Collaborate with founders and cross-functional teams to refine and implement technical requirements.
— Design and build high-quality, scalable backend systems and APIs using Python.
— Conduct code reviews and ensure adherence to engineering best practices and maintainable code standards.
— Take ownership of production systems, including debugging issues, investigating incidents, and ensuring system reliability.

Interview stages:
— HR interview (30 minutes).
— Technical interview (1 hour).
— Interview with the customer (1 hour).
— Job offer🎉🎉🎉

We offer:
— Competitive salary.
— Challenging tasks and projects.
— Opportunities for professional development and growth.
— Flexible working hours.
— New hardware.
— Free English lessons.
— Table tennis and yoga classes.
— Availability of generators and Starlinks in the office.
— Small gym in the office.
— Adjustable height tables.
— Regular office fruit delivery and other benefits.

Let’s create value together!

We are looking for an experienced Senior Full Stack Engineer with Java, Python and React experience to join our development team and contribute to the development of a customized AI-driven platform.

Our customer – integrated Shipping Services has set itself apart as an independent carrier with a fresh, unique approach. His strategy as a global niche carrier offers distinctive advantages to customers worldwide. We have created a smart, efficient network that ensures stable, reliable services; and we have made it our mission to focus on the needs of our customers, which stand at the heart of all our decisions. The main idea of our product operates in select trades, where it has a competitive advantage and where it can provide superior service. We maintain a flexible partnership approach with other major carriers, and our new line structure is a much-needed alternative to customers concerned about the current alliance-dominated market.

Responsibilities:

• Hand-On full stack development of innovative applications.
• Owning the entire development cycle, including design, architecture, development, and DevOps.
• Working in Extreme Programming methodology with remote pairing.

Requirements:

• BSc in Software Engineering or BS degree in Computer Science.
• 6+ years of experience in the following technologies: Java (must have), Spring.
• 2+ years of experience with Python (must have).
• 2+ years of experience in FE, mainly React (must have), and other modern JavaScript Framework/libraries.
• Experience with LLMs/AI/Prompt Engineering/MCP.
• Experience with Claude.code
• Experience with Data Analytics – big advantage.
• Experience in development in Kotlin – big advantage.
• Experience with Functional Programming and Java Streams.
• Experience with developing a reactive UI (Reactive JS).
• 2+ years of experience in TDD/BDD development in the following frameworks: Junit, Jasmin, Mockito, Protractor/Selenium
• 3+ years of experience in micro-services-based architecture and tools (Spring Boot/Cloud)
• Experience in DevOps development and Jenkins.
• Experience in designing, developing, and deploying cloud/hybrid-based solutions.
• Experience in developing and deploying in Container based environments (Kubernetes, Cloud foundry).
• Familiarity with the following design concepts: micro-services, service discovery, circuit breaker.
• Self-starter with the ability to appropriately priorities and plan complex work in a rapidly changing environment.
• Versatility and capability to switch easily between different tasks and technologies.
• Experience in assessing a broad range of information solutions and products.
• Strong critical thinker with problem solving aptitude.
• Good English - verbal and written.

We are looking for a skilled Backend & Integration Engineer to join our engineering team and support our CTO in implementing, scaling, and maintaining real-time video and data feed integrations with external B2B partners and platforms.

In this role, you will be responsible for connecting our Live Casino studio feeds to partner platforms using real-time data protocols (SSE, REST APIs) and managing ultra-low latency live video streams (RTMP, SRT, HLS).

Key Responsibilities

• API & Data Feed Integration: Implement and maintain reliable client-side integrations with partner APIs via Server-Sent Events (SSE) and RESTful services.
• Stream & State Management: Build resilient, idempotent state-handling mechanisms (de-duplication of events, recovery after disconnects, handling complex game lifecycle events like card rescans, cancellations, and shoe changes).
• Video Ingest & Streaming: Configure, troubleshoot, and optimize live video streams via RTMP / SRT protocols to ensure low latency and high quality (H.264, 1080p@50fps, AAC/Opus).
• Security & Infrastructure: Set up and manage secure connection channels, including mTLS (Mutual TLS) with client certificates, Bearer token authentication, and IP whitelisting.
• Testing & Quality Assurance: Validate integrations against partner synthetic test environments and oversee seamless go-live transitions.

Requirements & Qualifications

• 1+ years of experience in Backend Development using Node.js (TypeScript), Go (Golang), or Python.
• Strong understanding of Real-time Protocols: Server-Sent Events (SSE), WebSockets, and REST APIs.
• Solid experience with Network Security: SSL/TLS, mTLS (Mutual TLS), x509 certificates, Bearer tokens, and IP allowlisting.
• Hands-on experience with Live Video Streaming Protocols: RTMP, SRT, HLS, and tools/encoders like FFmpeg, GStreamer, or OBS.
• Deep knowledge of relational or key-value databases (Redis, PostgreSQL) for state retention, caching, and event de-duplication.
• Familiarity with video encoding standards (H.264, keyframe intervals, bitrate optimization, audio codecs like AAC/Opus).
• Experience writing production-grade, fault-tolerant code with automated reconnect mechanisms (exponential backoff, heartbeat watchdogs).
• Good written English for technical communication in partner chats and reading API documentation.

Nice to Have

• Prior experience in the iGaming / Live Casino / Betting domain.
• Experience with media servers (SRS, Nimble Streamer, Node Media Server, or Wowza).
• Understanding of WebRTC or ultra-low latency streaming technologies.

What We Offer

• Competitive compensation based on skills and experience.
• Fully remote work environment with flexible working hours.
• Direct collaboration with the CTO and technical leadership.
• Opportunity to work with high-concurrency, low-latency streaming infrastructure.

Numerical Technologies LTD is a provider of custom software solutions and services specializing in risk, limits, and regulatory capital. We are currently looking for a Senior Python Developer to join our team. 

What you will be doing:  

As part of the team, you will be participating in a client project focused on portfolio management solutions. You will help develop new software features, as well as support and maintain existing ones. You will be writing scalable and fault-tolerant code, debugging programs, and integrating applications with third-party web services. You will be collaborating closely with the client and product manager to understand the system’s functional and non-functional requirements, and contribute to code quality through unit testing, integration testing, code review, and system design using Python to build robust software that aligns with the client’s business needs. 

What we are looking for:  

• A strong programming background with Python and OOP skills.
• Deep understanding of algorithms and data structures.
• Experience building backend systems and working with REST APIs.
• Proficiency with SQL databases.
• Experience with FastAPI and Linux environments.
• Strong problem-solving skills and ability to collaborate effectively in a team environment.
• Upper-Intermediate level of English or above. 
• Experience with AWS is a plus. 

What we offer: 

• Competitive compensation depending on experience and skills. 
• Regular assessments and salary reviews. 
• Paid personal days. 
• Mental health support program. 
• Language classes. 
• Flexible working schedule.

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.

 Tech Lead / Python AI Engineer / Engineering Lead / AI Architect.

Ideally, we would like to find someone based in Western Ukraine.

Across our practices, AI experimentation is organic: agents and accelerators get prototyped, they work, and they find their way to the teams who need them.

Working is not the same as dependable, tested, hardened, properly deployed, and fit for a regulated client. Closing that distance and turning experimentation into an engineering discipline is the job.

You will build and lead our AI engineering team: you, a Senior Engineer and a DevOps Engineer, and own the path from idea to production across every asset class.

You will work with SMEs within the practices to bring prioritised pilots into products that deliver return. You will be the final technical decision-maker on what ships. Roughly two-thirds of your week will be hands-on: architecture, coding and code review. The rest will focus on direction, hiring and the operating model.
 

Key Requirements

We are looking for someone who:

• Has strong experience building and owning products, rather than only completing technical tasks within outsourcing projects.
• Has 8+ years of engineering experience.
• Has strong Python experience, including production systems where Python was the primary language.
• Has strong Azure expertise and experience with production Azure workloads.
• Has hands-on experience with AI/LLM and agentic systems.
• Has experience taking products or platforms from architecture through production and ongoing operation.
• Has a player-coach background — able to lead engineers while remaining hands-on technically.
• Has strong English and communication skills.

Has experience working with regulated environments and implementing security/governance requirements in practice.
 

• Responsibilities
• Own the AI delivery operating model and the path from prototype to production — from intake and qualification through build, hardening and rollout across accelerators and client-facing IP.
• Build and lead the AI engineering team: hire two engineers, set standards, review code, unblock the team and support their growth.
• Work with SMEs across practices to design, build, deploy and maintain applications.
• Personally build, ship and harden agentic solutions and own the assets you oversee.
• Own architecture and production standards across solutions, including solution architecture, infrastructure, model selection and validation.
• Turn governance into engineering through policy-as-code, guardrails, evaluations and release gates running in the pipeline.
• Implement controls suitable for regulated clients without unnecessarily slowing down development.

• Embed AI capabilities across practices by working with automation, application engineering and consulting SMEs to create a path from prototypes to production.

   

What Would Set You Apart?

• Claude Certified Architect (Foundations or Professional).
• Microsoft Agentic AI Business Solutions Architect (AB-100).
• LLM or agentic systems already taken to production.

• Experience deploying accelerators or productised IP across multiple clients.

  
   

Location: Ukraine - preferably the western part of the country.

Budget: Up to €72,000 gross/year
 

We are looking for a skilled Backend & Integration Engineer to join our engineering team and support our CTO in implementing, scaling, and maintaining real-time video and data feed integrations with external B2B partners and platforms.

In this role, you will be responsible for connecting our Live Casino studio feeds to partner platforms using real-time data protocols (SSE, REST APIs) and managing ultra-low latency live video streams (RTMP, SRT, HLS).

Key Responsibilities

• API & Data Feed Integration: Implement and maintain reliable client-side integrations with partner APIs via Server-Sent Events (SSE) and RESTful services.
• Stream & State Management: Build resilient, idempotent state-handling mechanisms (de-duplication of events, recovery after disconnects, handling complex game lifecycle events like card rescans, cancellations, and shoe changes).
• Video Ingest & Streaming: Configure, troubleshoot, and optimize live video streams via RTMP / SRT protocols to ensure low latency and high quality (H.264, 1080p@50fps, AAC/Opus).
• Security & Infrastructure: Set up and manage secure connection channels, including mTLS (Mutual TLS) with client certificates, Bearer token authentication, and IP whitelisting.
• Testing & Quality Assurance: Validate integrations against partner synthetic test environments and oversee seamless go-live transitions.

Requirements & Qualifications

• 3+ years of experience in Backend Development using Node.js (TypeScript), Go (Golang), or Python.
• Strong understanding of Real-time Protocols: Server-Sent Events (SSE), WebSockets, and REST APIs.
• Solid experience with Network Security: SSL/TLS, mTLS (Mutual TLS), x509 certificates, Bearer tokens, and IP allowlisting.
• Hands-on experience with Live Video Streaming Protocols: RTMP, SRT, HLS, and tools/encoders like FFmpeg, GStreamer, or OBS.
• Deep knowledge of relational or key-value databases (Redis, PostgreSQL) for state retention, caching, and event de-duplication.
• Familiarity with video encoding standards (H.264, keyframe intervals, bitrate optimization, audio codecs like AAC/Opus).
• Experience writing production-grade, fault-tolerant code with automated reconnect mechanisms (exponential backoff, heartbeat watchdogs).
• Good written English for technical communication in partner chats and reading API documentation.

Nice to Have

• Prior experience in the iGaming / Live Casino / Betting domain.
• Experience with media servers (SRS, Nimble Streamer, Node Media Server, or Wowza).
• Understanding of WebRTC or ultra-low latency streaming technologies.

What We Offer

• Competitive compensation based on skills and experience.
• Fully remote work environment with flexible working hours.
• Direct collaboration with the CTO and technical leadership.
• Opportunity to work with high-concurrency, low-latency streaming infrastructure.

Own your future

Our culture isn’t something people join, it’s something they build and shape. We believe that every person deserves to be heard and empowered. If you’re on the fence about whether you’re a fit, we say go for it. Let’s build something great together.

We are hiring a Lead Rust Engineer to own the technical direction and build the service and API layer of a next-generation data platform for one of our clients. The immediate work is backend services and APIs, including moving existing client integrations onto a new API surface and building out a Rust service layer.

The new services we are building are in Rust, with some C# in the mix, while parts of the current platform still run on Ruby. We need a hands-on technical leader who is comfortable across that landscape and picks up new pieces quickly.

‍

Key responsibilities

• Set technical direction, priorities and engineering standards.
• Own architecture and API design decisions for the new service layer and the migration path from legacy systems.
• Design, build and maintain backend services and APIs, with Rust as the primary language.
• Develop and extend the Rust service layer that sits at the core of the new platform.
• Migrate existing clients, written in C# and Ruby, from the current API surface to the new one with minimal disruption.
• Work in the existing Ruby codebase where needed while the platform moves to the new architecture.
• Contribute to API design, versioning and contracts so consumers can adopt new endpoints cleanly.
• Support data synchronization work through delivery, helping get it across the finish line.
• Write well-tested, observable, production-ready code and set the bar for code quality through reviews.

• Partner closely with client engineering leads and the wider Transcenda team.

   

Must have

• 8+ years of backend engineering experience building services and APIs in production, ideally 2+ years in a tech lead role.
• Hands-on commercial experience with Rust, including async services (for example Tokio, Axum or Actix).
• Working knowledge of Ruby, enough to read, maintain and safely change an existing Ruby codebase (using code assistants).
• Strong API design skills: REST and/or gRPC, versioning, backward compatibility and client migration.
• Solid grounding in relational databases, SQL and service-to-service integration.
• Experience with testing, CI/CD and observability for backend services.
• Proven ability to ramp up quickly on unfamiliar codebases and languages, and to bring a team along with you.
• Experience driving agentic coding practices across a team: setting guidelines, defining review standards for AI-generated code, and helping engineers use these tools effectively and safely.

• Clear written and spoken English and comfort working directly with client engineering leads.

   

Nice to have

• C# / .NET experience, particularly on API clients or services.
• Prior work on API platform migrations or strangler-pattern rewrites.
• Exposure to metadata management or data synchronization systems.
• Data engineering or ETL experience.
• Background in regulated industries.

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.
 

We are looking for an experienced Senior PHP / WooCommerce Developer to build a reusable WooCommerce plugin that integrates multiple e-commerce websites with the client's centralized order management system and custom payment gateway.

Key Responsibilities

• Design and develop a reusable WooCommerce plugin for multiple independent websites.
• Integrate WooCommerce with external order management systems through REST APIs.
• Implement reliable API communication, webhook handling, error logging, and retry mechanisms.
• Develop and maintain custom WooCommerce payment gateway integrations.
• Support payment processing, transaction status updates, callbacks, and refunds.
• Use AI coding tools to improve development productivity, code quality, debugging, and testing.
• Leverage AI to support code generation, refactoring, documentation, and automated test development.
• Review and validate AI-generated code to ensure correctness, security, performance, and maintainability.
• Apply AI-assisted development practices while maintaining established coding standards and version control processes.
• Develop automated tests for critical integration and checkout workflows.
• Maintain technical documentation covering architecture, configuration, APIs, and deployment.

Requirements

• 5+ years of professional PHP development experience, with strong object-oriented programming (OOP) skills.
• 3+ years of hands-on WooCommerce plugin development, including building custom plugins from scratch.
• Strong understanding of WordPress and WooCommerce architecture, hooks, actions, filters, and APIs.
• Proven experience integrating WooCommerce with external systems using REST APIs and webhooks.
• Experience developing or customizing WooCommerce payment gateway integrations.
• Strong knowledge of PHP, MySQL/MariaDB, JavaScript, HTML5, and CSS3.
• Hands-on experience customizing WooCommerce checkout, cart, and customer account workflows.
• Experience with JavaScript, AJAX, and modern frontend development practices.
• Understanding of WooCommerce coupons, discounts, pricing rules, and promotional functionality.
• Good knowledge of software architecture, design patterns, and reusable component development.
• Experience handling asynchronous processing, API errors, retries, and data synchronization.
• Practical experience with AI-assisted coding tools such as Claude Code, Cursor, GitHub Copilot, or similar solutions.
• Ability to effectively use AI tools for software design, implementation, debugging, refactoring, and testing.
• Strong understanding of AI-generated code, with the ability to independently review, validate, and improve it rather than relying on AI output without verification.
• Familiarity with Git, debugging, automated testing, and secure coding practices.
• Ability to independently solve complex technical problems and take ownership of deliverables.

Preferred Qualifications

• Experience developing reusable plugins deployed across multiple WooCommerce websites.
• Familiarity with WooCommerce HPOS, Action Scheduler, and Checkout Blocks.
• Experience with React, Gutenberg, or WordPress block development.
• Experience with Composer, PHPUnit, PHPStan, or similar development tools.
• Knowledge of CI/CD pipelines and automated plugin deployment.
• Experience integrating e-commerce platforms with ERP, CRM, or order management systems.
• Understanding of payment security and PCI DSS requirements.
• Experience implementing complex coupon, promotion, shipping, or dynamic pricing rules.
• Experience with agentic AI coding workflows, including planning, implementation, code review, and automated testing.
• Familiarity with integrating AI-assisted development into Git, CI/CD, and automated quality checks.
• Experience working with remote teams using Agile methodologies.

Contract full-time remote job. The approximate Phase 1 project duration is 3-4 months.

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

Why this role exists:

This role exists to design, build, and maintain backend services across the Casino platform — bonus and promotional mechanics, wallet and transaction flows, game launch and catalog, and game provider integrations — ensuring reliability, correctness, and performance under high load.

What you’ll drive:

Casino platform services

• Design and develop Spring Boot microservices across the casino domain: bonus processing, game launch, lobby and game catalog management.
• Implement and evolve promotional mechanics end-to-end — from bonus crediting and wagering logic to expiry and settlement — with correctness guarantees on real money.
• Integrate third-party game providers, game launch, wallet callbacks (bet/win/refund), provider-side bonus features.
• Build and evolve REST APIs consumed by internal services and external providers, including request signing, authentication, and API versioning.

Reliability & correctness

• Ensure correctness of real-money transaction and bonus flows — idempotency, retries, timeouts, graceful degradation of downstream calls.
• Work with Redis for caching and session state; tune service performance under production load.
• Own observability: metrics (Micrometer/Prometheus, Grafana dashboards), structured logging, alerting.

Quality & delivery

• Write and maintain unit, integration, and functional tests (JUnit 5, Testcontainers).
• Ship via GitLab CI to Kubernetes; participate in code review and incident investigation.

What makes you a GR8 fit:

Must-have

• 5+ years of experience in back end.
• Commercial experience with strong proficiency in Java (17+) and Spring Boot 3.x (Web, Security, Data, Actuator).
• Experience building business-critical domain logic (payments, bonuses, billing, or similar money-adjacent flows).
• Solid experience integrating third-party REST APIs and designing your own.
• Understanding of distributed systems basics: idempotency, consistency, timeouts, retries, caching.
• Experience with SQL and at least one NoSQL store (Redis, Cassandra, or Elasticsearch).
• Upper-intermediate or higher level of English.

Nice-to-have

• Scala experience (parts of our wallet platform run on Scala / Play / Akka).
• Experience with Kafka and event-driven architectures (some of our services use Spring Cloud Stream).
• Experience running services on Kubernetes; familiarity with GitLab CI.
• Familiarity with Prometheus and Grafana.
• iGaming / betting domain experience.
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