PHP Developer

🏢 Summary: Full Stack Engineer role in the banking sector focused on delivering production-ready solutions within a scalable microservices architecture. The position combines backend application design and frontend development, emphasizing RESTful APIs, PostgreSQL databases, and automated CI/CD pipelines. This is a long-term B2B engagement with a hybrid work model and collaboration across global engineering teams. 🗂️ Requirements: Proven commercial experience in backend application design and enterprise deployment, Strong experience working within microservices architecture, Hands-on experience building and deploying RESTful APIs, Strong proficiency in PostgreSQL schema design and querying, Experience supporting automated CI/CD production releases, Full professional English proficiency 📃 Skills: Java, ReactJS, PostgreSQL, REST, Microservices, CI/CD, Docker, Kubernetes, GCP 🏢 Description: co.brick talents — powered by AI, powered by people. Join a global engineering team within the banking sector focused on delivering high-quality production code through a scalable microservices architecture. In this Full Stack role, you will balance backend application design and frontend development while fostering a modern, high-performing engineering culture. You will collaborate across regional boundaries, address technical risks, and drive automated deployment practices to push changes to production frequently. Details Engagement Details Contract Type: B2B Allocation: Full-time workload. Start Date: ASAP / 1-month notice period acceptable. Duration: Long-term (> 12 months). Work Model: Hybrid – 6 days per month required in the Kraków office (flexible scheduling, including the option to complete all 6 days in a single block). Recruitment Process: 2 rounds (Technical Interview & Live Coding). Responsibilities Hands-on Delivery: Write, review, and ship production-ready full-stack code aligned with a distributed microservices structure. API & Database Engineering: Design, develop, and deploy robust RESTful APIs and write schemas for relational databases. Cross-Functional Collaboration: Partner with a global engineering and business network, removing delivery impediments and proactively flagging risks to program management. Process Optimization: Monitor business, engineering, and non-functional project requirements to eliminate technical debt and process inefficiencies. Requirements Senior Engineering Baseline: Proven commercial track record in backend application design, development, and enterprise deployment. Architecture: Strong experience implementing and maintaining code within a microservices ecosystem. CI/CD Mindset: Demonstrated ability to support frequent, automated production releases. API Development: Extensive hands-on experience building and deploying RESTful APIs. Database Skills: Strong proficiency in schema design and querying within PostgreSQL databases. Languages: Full professional English proficiency (the sole project language). Nice to Have Solid experience with Java , preferably using recent versions of the language. Practical familiarity with frontend development using ReactJS . Understanding of cloud-native systems, containerization, and orchestration technologies ( Docker, Kubernetes, and GCP ). Prior domain experience working within the financial or fintech/banking sector. Polish B2+

🏢 Summary: Full-time remote contract for a Drupal Full Stack Developer to build and optimize web applications across backend and frontend layers. The role involves developing custom Drupal modules and themes, integrating APIs, and ensuring high performance and clean architecture. Engagement is for 2–3 months with strong potential for extension. 🗂️ Requirements: Commercial experience with PHP, Strong knowledge of OOP principles, Hands-on experience with Drupal architecture, Experience with custom Drupal modules and themes, Practical knowledge of JavaScript, Knowledge of HTML5 and CSS3/SASS, Experience with responsive design, Familiarity with MySQL or MariaDB, Experience with Drush and Composer, Experience with Git workflows, Experience with RESTful APIs or GraphQL 📃 Skills: PHP, OOP, Drupal, JavaScript, HTML5, CSS3, SASS, MySQL, MariaDB, Drush, Composer, Git, REST, GraphQL, Twig 🏢 Description: co.brick talents — powered by AI, powered by people. Join our client as a Drupal Full Stack Developer to drive the backend and frontend development of web applications. You will be responsible for creating robust PHP architectures, designing custom Drupal modules, and implementing responsive user interfaces. This role requires an engineer who can manage the entire development lifecycle, ensuring high performance, clean code, and seamless integration between backend data structures and frontend presentation layers. Details Role: Drupal Full Stack Developer Allocation: Full-time Work Model: 100% Remote Duration: 2–3 months with a strong possibility of extension Rate: 100 – 120 PLN / h Responsibilities Full-Stack Development: Write clean, well-designed PHP code and manage both backend logic and frontend templates within the Drupal ecosystem. Module & Theme Customization: Create and configure custom Drupal modules, hooks, and twig-based themes to match specific business requirements. API Integration: Design and consume RESTful APIs or GraphQL endpoints to facilitate headless or traditional monolithic setups. Performance Optimization: Diagnose and resolve database bottlenecks, caching issues, and frontend rendering speeds to ensure high application availability. Code Quality: Participate in peer code reviews, maintain version control workflows (Git), and follow Drupal coding standards. Requirements Core Language: Proficient commercial experience with PHP and object-oriented programming (OOP) principles. CMS Expertise: Strong hands-on experience with Drupal architecture, backend configurations, and frontend site-building. Frontend Tech: Practical knowledge of JavaScript, HTML5, CSS3/SASS, and responsive design methodologies. Database & Tooling: Familiarity with relational databases (MySQL/MariaDB), Drush, Composer, and Git workflows. Communication: Ability to work effectively in a remote team setup.

🏢 Summary: Remote Senior PHP Backend Engineer role focused on developing scalable backend services, REST APIs, and AI-powered integrations using modern PHP frameworks and LLM tools. The position involves architecture improvements, AI automation, database management, and collaboration across product and engineering teams. The offer includes work on an AI/ML platform with influence over technical decisions and modern cloud and backend technologies. 🗂️ Requirements: Commercial experience as a PHP Backend Engineer or Senior PHP Developer, PHP 8+, Symfony or Laravel, REST APIs, Backend architecture, MySQL or PostgreSQL, Redis, Queues, Messaging systems, AI or LLM tools, OpenAI API, Prompt engineering, English for technical communication 📃 Skills: PHP, Symfony, Laravel, REST, MySQL, PostgreSQL, Redis, Elasticsearch, OpenAI, Claude, GitHubCopilot, TypeScript, JavaScript, NestJS, Docker, Kubernetes, AWS, CI/CD, RabbitMQ, Kafka, OAuth2, JWT, DDD, CQRS 🏢 Description: ✅ Your responsibilities: ・Designing and developing backend services using PHP and modern backend frameworks ・Building and maintaining REST APIs , integrations and business logic for production systems ・Working with databases such as MySQL / PostgreSQL / Redis / Elasticsearch ・Supporting the development of AI-powered features using LLMs, OpenAI API, Claude or similar tools ・Working on AI automation, prompt engineering and backend integrations with AI services ・Improving application architecture, scalability, maintainability and performance ・Collaborating with product, engineering and business teams to translate requirements into technical solutions ・Taking ownership of technical decisions and supporting less experienced developers when needed ・Participating in code reviews, technical discussions and delivery planning 🧠 Our requirements: ・Strong commercial experience as a PHP Backend Engineer / Senior PHP Developer ・Very good knowledge of PHP 8+ and modern backend development practices ・Experience with frameworks such as Symfony and/or Laravel ・Good understanding of REST APIs , integrations and backend architecture ・Experience with relational databases, especially MySQL or PostgreSQL ・Experience with Redis , queues, messaging or background processing ・Practical interest or hands-on experience with AI / LLM tools, such as OpenAI API, Claude, GitHub Copilot, prompt engineering or AI automation ・English at a level allowing daily technical communication ⭐ Nice to have: ・Experience with TypeScript / JavaScript / NestJS ・Experience with Docker, Kubernetes, AWS or CI/CD pipelines ・Knowledge of RabbitMQ, Kafka or Symfony Messenger ・Understanding of software security topics such as OAuth2, JWT and input validation ・Experience with architectural approaches such as DDD, CQRS, Event Sourcing or Hexagonal Architecture 🌟 What we offer: ・100% remote work. ・Opportunity to work on a modern AI / ML product platform. ・Private healthcare and Multisport. ・Life insurance. ・Real influence on technical decisions and architecture. ・Exposure to modern AI, data, and product engineering challenges. ・Collaborative and supportive team environment.

🏢 Summary: Senior PHP Backend Engineer role focused on building and scaling backend services for a modern AI-driven product platform. The position involves developing REST APIs, integrating AI/LLM services, and improving system architecture, performance, and scalability. You will contribute to technical decisions and support AI automation initiatives in a fully remote environment. 🗂️ Requirements: Strong commercial experience as PHP Backend Engineer or Senior PHP Developer, Very good knowledge of PHP 8+, Experience with Symfony and/or Laravel, Experience designing and developing REST APIs, Experience with MySQL or PostgreSQL, Experience with Redis, queues or background processing, Hands-on experience with AI/LLM tools (OpenAI API, Claude), Experience with backend architecture and integrations, English proficiency for daily technical communication 📃 Skills: PHP, Symfony, Laravel, REST, MySQL, PostgreSQL, Redis, Elasticsearch, OpenAI, Claude, LLM, AI, Git, Docker, Kubernetes, AWS, RabbitMQ, Kafka, OAuth2, JWT, TypeScript, JavaScript, NestJS, CI/CD 🏢 Description: ✅ Your responsibilities: ・Designing and developing backend services using PHP and modern backend frameworks ・Building and maintaining REST APIs , integrations and business logic for production systems ・Working with databases such as MySQL / PostgreSQL / Redis / Elasticsearch ・Supporting the development of AI-powered features using LLMs, OpenAI API, Claude or similar tools ・Working on AI automation, prompt engineering and backend integrations with AI services ・Improving application architecture, scalability, maintainability and performance ・Collaborating with product, engineering and business teams to translate requirements into technical solutions ・Taking ownership of technical decisions and supporting less experienced developers when needed ・Participating in code reviews, technical discussions and delivery planning 🧠 Our requirements: ・Strong commercial experience as a PHP Backend Engineer / Senior PHP Developer ・Very good knowledge of PHP 8+ and modern backend development practices ・Experience with frameworks such as Symfony and/or Laravel ・Good understanding of REST APIs , integrations and backend architecture ・Experience with relational databases, especially MySQL or PostgreSQL ・Experience with Redis , queues, messaging or background processing ・Practical interest or hands-on experience with AI / LLM tools, such as OpenAI API, Claude, GitHub Copilot, prompt engineering or AI automation ・English at a level allowing daily technical communication ⭐ Nice to have: ・Experience with TypeScript / JavaScript / NestJS ・Experience with Docker, Kubernetes, AWS or CI/CD pipelines ・Knowledge of RabbitMQ, Kafka or Symfony Messenger ・Understanding of software security topics such as OAuth2, JWT and input validation ・Experience with architectural approaches such as DDD, CQRS, Event Sourcing or Hexagonal Architecture 🌟 What we offer: ・100% remote work. ・Opportunity to work on a modern AI / ML product platform. ・Private healthcare and Multisport. ・Life insurance. ・Real influence on technical decisions and architecture. ・Exposure to modern AI, data, and product engineering challenges. ・Collaborative and supportive team environment.

🏢 Summary: Backend engineering role focused on building scalable backend services, APIs, and internal developer platforms in a fully remote environment. The position involves improving system architecture, optimizing distributed systems, and collaborating across the full software development lifecycle. The offer includes influence on technical decisions, modern technologies, and growth opportunities within an experienced engineering team. 🗂️ Requirements: 5+ years of backend software development experience, Proficiency in PHP or experience with Java, Python, Go, Knowledge of RESTful APIs and GraphQL, Experience building scalable distributed backend systems, Experience with SQL/MySQL and database optimization, Experience with automated testing and monitoring, Knowledge of debugging production systems, Familiarity with contract-driven development, English for daily technical communication 📃 Skills: PHP, Java, Python, Go, REST, GraphQL, SQL, MySQL, React, API 🏢 Description: ✅ Your responsibilities: ・Design, develop, and maintain scalable backend services and APIs for third-party integrations. Improve platform architecture, service communication, and internal developer tooling. Collaborate with Product Managers, Designers, and Engineers throughout the entire software development lifecycle. Optimize existing systems for performance, scalability, reliability, and maintainability. Drive engineering best practices, including code quality, testing, and documentation. Participate in architecture discussions and technical decision-making. Mentor engineers through code reviews, pair programming, and knowledge sharing. Continuously improve the developer experience by building reliable internal platforms and tools. 🧠 Our requirements: 5+ years of experience in backend software development. Strong proficiency in PHP (preferred) or solid experience with Java, Python, Go , or similar backend technologies. Strong understanding of RESTful APIs , GraphQL , and API design best practices. Experience designing and building scalable, distributed backend systems. Hands-on experience with SQL/MySQL databases and database optimization. Experience with automated testing, observability, monitoring, and debugging production systems. Familiarity with contract-driven development and modern software development practices. Basic knowledge of frontend technologies such as React is a plus. Strong communication skills and the ability to collaborate across cross-functional teams. Passion for writing clean, maintainable, and high-quality code or AI automation English at a level allowing daily technical communication 🌟 What we offer: 100% remote work. Private healthcare and Multisport. Life insurance. Real influence on technical decisions and system architecture. Opportunity to build scalable backend services and developer platforms. Work with modern technologies in a collaborative engineering environment. Knowledge sharing, mentorship, and professional growth opportunities. Friendly, supportive, and experienced engineering team.

🏢 Summary: Senior Backend Engineer role focused on designing, evolving, and leading high-impact backend systems for business-critical financial applications. The position combines deep .NET backend expertise with cross-team architectural influence and structured adoption of AI-assisted (agentic) development practices. It involves end-to-end SDLC ownership, technical leadership without direct management, and operating within a regulated, cloud-based environment. 🗂️ Requirements: 5+ years backend software engineering experience, Strong expertise in C# and .NET (ASP.NET Core, Web APIs), Experience designing and maintaining RESTful services, Knowledge of clean architecture and SOLID principles, Experience with relational and/or NoSQL databases, Experience with CI/CD pipelines and Git, Experience with Azure cloud services, Experience with containerization, Understanding of distributed systems and event-driven architectures, Hands-on experience with AI-assisted development tools, Ability to review and validate AI-generated code, Bachelor’s degree in Information Technology 📃 Skills: C#, .NET, ASP.NET, REST, SQL, NoSQL, Azure, CI/CD, Git, Docker, Microservices, Messaging, DistributedSystems, AI, Copilot, Claude, IaC, Observability 🏢 Description: Overview Permanent, full-time, hybrid Connecting clients to markets – and talent to opportunity. With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies. Responsibilities Position Purpose: We are seeking a Senior Backend Engineer to design, build, and lead the evolution of high-impact backend systems powering business-critical applications across StoneX Payments. This role is ideal for a highly experienced backend engineer who: Thrives on end-to-end ownership across the SDLC Influences technical direction across multiple squads Leads complex initiatives without formal people management Actively advances agentic development practices within engineering You will operate as a technical authority within your domain - shaping backend architecture, raising engineering standards, and enabling teams to safely leverage AI-augmented development in a regulated financial environment. Key Responsibilities will include: 1. Backend Architecture & System Design Design and evolve scalable backend systems using C# and .NET ( ASP.NET Core, Web APIs). Define robust RESTful APIs and service contracts for frontend and downstream consumers. Contribute to domain architecture strategy and ensure alignment with platform principles. Lead complex technical initiatives spanning multiple squads. Drive improvements in system performance, reliability, observability, and data integrity. Champion clean architecture, modular design, and maintainable service boundaries. You are expected to influence architecture beyond a single squad and elevate backend engineering standards across the domain. 2. Agentic Development Enablement (Cross-Team Scope) A defining aspect of this role is structured adoption and standardization of agent-augmented engineering. Act as an advanced practitioner of AI-assisted development tools (e.g., Claude Code, Copilot Workspace, or equivalent). Design and refine backend workflows that effectively leverage agents for: Refactoring legacy services Automated test generation Debugging and root cause analysis Documentation improvement Code modernization and dependency management Improve backend “agent-readiness” by driving: Clear service boundaries Strong unit and integration test coverage Consistent naming and documentation standards Reduction of unnecessary coupling Establish guardrails for reviewing and validating AI-generated code, including: Architectural alignment Security and compliance review Performance considerations Share best practices and coach engineers on responsible AI-assisted development. Partner with Lead and Principle engineers to align with broader agentic engineering standards. Your focus is not experimentation alone - but systematic improvements in code quality, maintainability, and engineering throughput across multiple teams. 3. End-to-End Delivery & Technical Execution Participate across the full SDLC — from story refinement and design through implementation, deployment, and production support. Write high-quality, testable, production-grade backend code. Lead technical breakdown of large features and complex initiatives. Ensure strong automated testing (unit, integration, contract tests) and CI/CD hygiene. Drive technical risk identification and mitigation early in the lifecycle. Support incident resolution and root cause analysis in production systems. 4. Technical Leadership Without Direct Management Serve as a senior technical reference point for backend engineers. Conduct rigorous code reviews and architectural deep dives. Mentor engineers on backend design patterns, distributed systems principles, and clean coding standards. Facilitate architecture discussions and influence technical decisions across squads. Contribute to internal standards, documentation, and reusable backend patterns. This role leads through influence, expertise, and technical credibility rather than formal people management. Qualifications To land this role you will need: Core Backend Engineering 5+ years of professional software engineering experience with strong backend focus. Deep expertise in C# and .NET ( ASP.NET Core, Web APIs). Strong experience designing and maintaining RESTful services and service-oriented architectures. Solid understanding of clean architecture, SOLID principles, and scalable design patterns. Experience with relational and/or NoSQL databases and performance optimization. Strong grounding in CI/CD, version control (Git), and cloud-native development. Experience with Azure cloud services and containerization. Exposure to event-driven architectures, messaging, and distributed systems. Familiarity with infrastructure-as-code and observability tooling. Agentic Development Capabilities Hands-on experience using AI-assisted development tools (e.g., Claude Code, GitHub Copilot, Copilot Workspace, or equivalent). Ability to evaluate and validate AI-generated backend code for correctness, maintainability, and security. Understanding of how architecture quality, modularity, and test coverage influence agent effectiveness. Experience improving legacy systems in ways that increase automation and agent compatibility. Pragmatic mindset balancing acceleration with governance and financial system rigor. Collaboration & Influence Strong cross-functional collaboration skills with Product, QA, frontend engineers, and DevOps. Experience leading technical initiatives without direct people management. Clear communicator capable of articulating architectural trade-offs and technical risks. Comfortable operating in Agile, distributed environments. Education / Certification Requirements: Bachelor’s degree in information technology. Working environment: Hybrid 4-days in office with private parking for employees.

🏢 Summary: Short-term contract for an experienced .NET Developer to design and build scalable backend systems in the energy and logistics domain using a microservices architecture. The role focuses on developing REST APIs, system architecture, integrations, and data optimization in high-scale production environments. Strong emphasis on AI-assisted development and modern DevOps practices. 🗂️ Requirements: 4–5+ years experience as .NET Developer, .NET 8 proficiency, ASP.NET Core API expertise, Entity Framework Core knowledge, SQL Server proficiency, Experience with Redis, Experience with RabbitMQ, Experience with Docker, Understanding of DDD, Experience with microservices architecture, Experience with xUnit testing, Hands-on use of AI tools in development 📃 Skills: .NET, ASP.NET, C#, EntityFramework, SQLServer, Redis, RabbitMQ, Docker, xUnit, Microservices, DDD, REST, AI 🏢 Description: About the project You’ll be working on backend systems within the energy and logistics domain , focusing on scalable platforms supporting services such as charging infrastructure, terminal operations, and logistics solutions. The systems are built using a modern microservices architecture , with strong emphasis on scalability, performance, and integrations. Duration: ~3 months (with possible extension) Your role Design and develop backend applications using .NET 8 Build and maintain REST APIs ( ASP.NET Core) Work on system architecture (including DDD and microservices ) Integrate systems using RabbitMQ Optimize and manage data storage ( SQL Server, Redis ) Write and maintain unit tests ( xUnit ) Containerize applications using Docker Actively use AI tools in daily development (must-have) Collaborate with developers, PMs, and designers Requirements 4–5+ years of experience as a .NET Developer Strong knowledge of: .NET 8 ASP.NET Core API Entity Framework Core SQL Server Experience with: Redis RabbitMQ Docker Understanding of DDD and system architecture Experience working with microservices Experience with testing ( xUnit ) Hands-on experience using AI tools in development (required) Nice to have Experience in energy, logistics, or high-scale systems Experience building high-availability solutions Experience working in distributed teams What we offer Opportunity to work on large-scale, production systems Flexible B2B cooperation Real impact on architecture and technical decisions Possibility to extend cooperation after the initial contract Work environment where AI is an integral part of development

🏢 Summary: Short-term contract role for a .NET Developer to build and maintain scalable backend systems in the energy and logistics domain using microservices architecture. The work focuses on developing REST APIs, system integrations, and high-performance services with modern technologies. The project emphasizes AI-supported development and offers potential extension and growth into architectural responsibilities. 🗂️ Requirements: 2.5–4+ years of experience as a .NET Developer, Strong knowledge of .NET 8, Strong knowledge of ASP.NET Core API, Experience with Entity Framework Core, Experience with SQL Server, Experience with Redis, Experience with RabbitMQ, Experience with Docker, Understanding of microservices architecture, Basic knowledge of DDD, Experience writing unit tests (xUnit or similar), Ability to work with partially documented systems and integrations, Hands-on experience using AI tools in development 📃 Skills: .NET, ASP.NET, EntityFramework, SQLServer, Redis, RabbitMQ, Docker, xUnit, Microservices, DDD, REST, AI 🏢 Description: About the project You’ll be working on backend systems within the energy and logistics domain , focusing on scalable platforms supporting services such as charging infrastructure, terminal operations, and logistics solutions. The systems are built using a modern microservices architecture , with strong emphasis on scalability, performance, and integrations. Duration: ~3 months (with possible extension) Your role Develop and maintain backend applications using .NET 8 Build and extend REST APIs ( ASP.NET Core) Support system architecture design (DDD, microservices) Work on integrations with internal systems Use RabbitMQ for communication between services Work with databases ( SQL Server, Redis ) Write unit tests ( xUnit ) Containerize applications using Docker Use AI tools in daily development (must-have) Collaborate with team members and support technical discussions Requirements 2.5–4+ years of experience as a .NET Developer Good knowledge of: .NET 8 ASP.NET Core API Entity Framework Core SQL Server Experience with: Redis RabbitMQ Docker Understanding of microservices architecture and DDD basics Experience writing tests ( xUnit or similar) Ability to work with partially documented systems and integrations Hands-on experience using AI tools in development (required) Nice to have Experience with complex integrations Experience in logistics / energy / enterprise systems Exposure to system design discussions What we offer Work on real, large-scale systems Flexible B2B cooperation Opportunity to grow into more senior/architectural responsibilities Possibility to extend cooperation after the initial contract Work environment where AI is part of daily development

🏢 Summary: Mid–Senior Python Backend Developer role focused on designing and maintaining scalable backend services, RESTful APIs, and microservices in cloud environments. The position emphasizes Microsoft Azure-based solutions, CI/CD automation, and containerized deployments using Docker and Kubernetes. You will work in an Agile team to deliver secure, high-performance cloud-native applications. 🗂️ Requirements: Commercial experience as Python Backend Developer (mid–senior level), Strong experience with Python, Hands-on experience with Microsoft Azure (App Services, Functions, AKS, Storage), Experience with FastAPI and/or Django, Experience designing RESTful APIs, Experience with microservices architecture, Knowledge of CI/CD pipelines and automated testing, Production experience with Docker and Kubernetes, Knowledge of SQL and NoSQL databases, Understanding of cloud architecture patterns and scalability, Proficiency with Git 📃 Skills: Python, Azure, FastAPI, Django, REST, Microservices, CI/CD, Docker, Kubernetes, SQL, NoSQL, Git, GCP, Databricks, Golang, React, Terraform, Bicep, ARM, Kafka, ServiceBus 🏢 Description: Growth through diversity, equity, and inclusion. As an ethical business, we do what is right — including ensuring equal opportunities and fostering a safe, respectful workplace for each of us. We believe diversity fuels both personal and business growth. We're committed to building an inclusive community where all our people thrive regardless of their backgrounds, identities, or other personal characteristics. Tasks: Design, develop, and maintain backend services using Python . Build and optimize RESTful APIs and microservices . Work with Microsoft Azure (priority) to design, deploy, and manage cloud solutions. (Experience with GCP is acceptable as an alternative.) Implement CI/CD pipelines and automated testing workflows. Work with Docker and Kubernetes in production environments. Collaborate in an Agile/Scrum team and participate in code reviews, planning, and architecture discussions. What We're Looking For: Strong commercial experience as a Python Backend Developer (mid–senior level). Hands‑on experience with Azure (App Services, Functions, AKS, Storage, etc.). Experience with FastAPI and/or Django . Proven experience designing RESTful APIs and scalable microservice architectures. Solid understanding of CI/CD , automated testing, and deployment pipelines. Proficiency with Docker and Kubernetes in production. Comfortable working in English and collaborating in cross‑functional teams. Additional Expected Skills: Strong knowledge of SQL/NoSQL databases and data modeling. Understanding of cloud architecture patterns, scalability, and performance optimization. Familiarity with unit, integration, and end‑to‑end testing practices. Proficiency with Git and collaborative development workflows. Awareness of security best practices in cloud and backend environments. What Will Set You Apart: Experience with Databricks or other big‑data/data engineering platforms. Commercial experience with Golang . Full‑stack skills , especially with React. Experience with Infrastructure as Code tools (Terraform, Bicep, ARM templates). Knowledge of event‑driven architectures and messaging systems (Kafka, Azure Service Bus, etc.). Missing one or two of these qualifications? We still want to hear from you! If you bring a positive mindset, we'll provide an environment where you feel valued and empowered to learn and grow. We offer: Stable employment. On the market since 2008, 1500+ talents currently on board in 7 global sites. “Office as an option” model. You can choose to work remotely or in the office. Workation. Enjoy working from inspiring locations in line with our workation policy. Great Place to Work® certified employer. Flexibility regarding working hours and your preferred form of contract. Comprehensive online onboarding program with a “Buddy” from day 1. Cooperation with top-tier engineers and experts. Unlimited access to the Udemy learning platform from day 1. Certificate training programs. Lingarians earn 500+ technology certificates yearly. Upskilling support. Capability development programs, Competency Centers, knowledge sharing sessions, community webinars, 110+ training opportunities yearly. Grow as we grow as a company. 76% of our managers are internal promotions. A diverse, inclusive, and values-driven community. Autonomy to choose the way you work. We trust your ideas. Create our community together. Refer your friends to receive bonuses. Activities to support your well-being and health. Plenty of opportunities to donate to charities and support the environment. Modern office equipment. Purchased for you or available to borrow, depending on your location.

🏢 Summary: Backend Engineer role focused on building and maintaining high-volume, complex API integrations using pure Ruby in a transactional, money-flow–critical domain. The position involves designing robust backend services, ensuring reliability and transactional integrity, and collaborating with stakeholders and external partners. The environment emphasizes AWS-based infrastructure, DevOps practices, and secure, scalable solutions. 🗂️ Requirements: Strong experience with Ruby (beyond Ruby on Rails), Proven experience delivering backend services in complex domains, Expertise in API design and third-party integrations, Familiarity with transactional systems and reliability constraints, Solid understanding of DevOps practices, Experience with Infrastructure-as-Code, Hands-on experience with AWS (EC2, S3, RDS), Experience with Docker, Experience with Redis, Strong analytical skills, Clear stakeholder communication skills 📃 Skills: Ruby, Redis, Docker, AWS, EC2, S3, RDS, Infrastructure-as-Code, API, Thin, EventMachine, Sinatra, Elasticsearch 🏢 Description: Project overview This project focuses on building and maintaining high-volume, complex API integrations with external partners in a domain where transactional integrity and money flows are critical. Position overview We are looking for a Backend Engineer with strong expertise in pure Ruby. In this role, you will design and maintain robust backend services and high-volume API integrations in a domain where transactional integrity and money flows are critical. You’ll collaborate closely with stakeholders and external partners to deliver secure, scalable solutions. Technology stack Ruby (pure Ruby, not Rails-centric) Redis Docker AWS services (EC2, S3, RDS) Infrastructure-as-Code tools Responsibilities Design and implement robust backend services using Ruby Develop and maintain complex API integrations with external systems Ensure transactional integrity and reliability in high-volume environments Collaborate with stakeholders and external partners to clarify requirements Contribute to infrastructure automation and deployment processes Participate in technical design discussions and solution shaping Requirements Strong experience with Ruby (beyond Ruby on Rails) Proven track record of delivering backend services in complex domains Expertise in API design, integration, and third-party connectivity Familiarity with transactional systems and reliability constraints Solid understanding of DevOps practices and Infrastructure-as-Code Hands-on experience with AWS services (EC2, S3, RDS) Knowledge of Docker for containerization Experience with Redis Strong analytical skills for navigating intricate business rules Clear and confident communication skills for stakeholder engagement Nice to have Thin, EventMachine, Sinatra Exposure to Elasticsearch. Experience in financial or transactional domains. What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)