Junior Java Engineer

🏢 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: Rola senior backend/full‑stack engineera odpowiedzialnego za projektowanie i implementację usług backendowych oraz API dla nowych modeli płatności i systemów autoryzacyjnych w środowisku o wysokiej dostępności i podwyższonym rygorze bezpieczeństwa. Obejmuje współtworzenie architektury, budowę integracji, proof‑of‑conceptów oraz dbanie o skalowalność, bezpieczeństwo i jakość rozwiązań. Praca przy kluczowym systemie płatniczym z realnym wpływem na jego rozwój i niezawodność. 🗂️ Requirements: Minimum 10 lat doświadczenia jako backend / full-stack / system engineer, Bardzo dobra znajomość co najmniej dwóch języków programowania, Doświadczenie w projektowaniu API i architekturze mikroserwisowej, Znajomość kolejek, architektury zdarzeniowej i bezpieczeństwa usług, Doświadczenie w pracy z bazami danych SQL i NoSQL, Umiejętność tworzenia złożonych integracji systemowych, Doświadczenie w środowiskach o wysokiej dostępności lub podwyższonym rygorze bezpieczeństwa, Doświadczenie z technologiami Open Source, Samodzielność w prowadzeniu prac projektowych, Umiejętność analizy dokumentacji technicznej i proponowania rozwiązań 📃 Skills: API, Microservices, SQL, NoSQL, OpenSource, Queues, EventDriven, Security, Blockchain, Ethereum, Hyperledger, Cosmos, Substrate, ITIL, AI, RAG, VectorDB 🏢 Description: Twój zakres obowiązków Projektowanie oraz implementacja usług backendowych i API dla nowych modeli płatności oraz systemów autoryzacyjnych Tworzenie prototypów i usług integracyjnych działających w środowisku o wysokiej dostępności Współpraca z liderem technicznym przy projektowaniu architektury nowych rozwiązań Uczestnictwo w procesie analizy technologicznej i wyborze narzędzi Tworzenie kodu produkcyjnego oraz proof-of-concepts dla nowych funkcjonalności Dbanie o bezpieczeństwo, skalowalność i jakość implementowanych usług Współpraca z osobą odpowiedzialną za warstwę biznesowo-regulacyjną oraz z pozostałymi członkami zespołu technicznego Wspieranie procesów testowych i wdrożeniowych Nasze wymagania Minimum 10 lat doświadczenia w roli backend software engineer / full-stack engineer / system engineer. Bardzo dobra znajomość przynajmniej dwóch języków programowania Zdrowe fundamenty architektoniczne: API design, mikroserwisy, kolejki, zdarzenia, bezpieczeństwo usług Umiejętność pracy z bazami danych (SQL/NoSQL) oraz tworzenia złożonych integracji Samodzielność w prowadzeniu prac projektowych oraz zdolność do działania w obszarach bez gotowych rozwiązań Doświadczenie w pracy w środowiskach o podwyższonym rygorze bezpieczeństwa lub wysokiej dostępności usług Doświadczenie w pracy z technologiami Open Source Umiejętność czytania i rozumienia dokumentacji technicznej oraz proponowania rozwiązań Mile widziane Znajomość wyzwań związanych z low-latency, event-driven architecture, real-time processing. Znajomość technologii blockchain (Ethereum, Hyperledger, Cosmos, Substrate itp.). Znajomość zagadnień ITIL lub posiadanie podstawowych certyfikatów. Rozumienie tokenizacji aktywów, modeli emisji, systemów rejestrów. Praca z agentami AI, orchestratorami, RAG, systemami wektorowymi. Tworzenie botów lub API do automatycznych agentów wykonujących procesy decyzyjne. To oferujemy Pracę przy jednym z najważniejszych systemów płatniczych w Polsce, który codziennie obsługują miliony użytkowników. Realny wpływ na bezpieczeństwo i dostępność usług płatniczych. Możliwość rozwoju kompetencji technicznych i operacyjnych. Przyjazne środowisko, nastawione na współpracę i ciągłe doskonalenie. Elastyczne godziny pracy oraz model hybrydowy. Pakiet benefitów (opieka medyczna, ubezpieczenie, język angielski, platforma e-learningowa, MyBenefit, MultiSport). Budżet rozwojowy i dostęp do szkoleń branżowych.

🏢 Summary: Senior backend/full-stack engineer role focused on designing and implementing backend services and APIs for payment models and authorization systems in a high-availability environment. The position involves architectural design, technology selection, building production-grade services and proofs-of-concept, and ensuring security and scalability. You will work on critical payment infrastructure used by millions of users. 🗂️ Requirements: Minimum 10 years of experience as backend, full-stack, or system engineer, Proficiency in at least two programming languages, Strong knowledge of API design, Experience with microservices architecture, Experience with queues and event-driven systems, Experience with service security, Experience with SQL and NoSQL databases, Experience building complex system integrations, Ability to work independently on architectural tasks, Experience in high-security or high-availability environments, Experience with OpenSource technologies, Ability to read and understand technical documentation 📃 Skills: API, Microservices, Queues, Events, SQL, NoSQL, Security, OpenSource, Architecture, Integration 🏢 Description: Twój zakres obowiązków Projektowanie oraz implementacja usług backendowych i API dla nowych modeli płatności oraz systemów autoryzacyjnych Tworzenie prototypów i usług integracyjnych działających w środowisku o wysokiej dostępności Współpraca z liderem technicznym przy projektowaniu architektury nowych rozwiązań Uczestnictwo w procesie analizy technologicznej i wyborze narzędzi Tworzenie kodu produkcyjnego oraz proof-of-concepts dla nowych funkcjonalności Dbanie o bezpieczeństwo, skalowalność i jakość implementowanych usług Współpraca z osobą odpowiedzialną za warstwę biznesowo-regulacyjną oraz z pozostałymi członkami zespołu technicznego Wspieranie procesów testowych i wdrożeniowych Nasze wymagania Minimum 10 lat doświadczenia w roli backend software engineer / full-stack engineer / system engineer. Bardzo dobra znajomość przynajmniej dwóch języków programowania Zdrowe fundamenty architektoniczne: API design, mikroserwisy, kolejki, zdarzenia, bezpieczeństwo usług Umiejętność pracy z bazami danych (SQL/NoSQL) oraz tworzenia złożonych integracji Samodzielność w prowadzeniu prac projektowych oraz zdolność do działania w obszarach bez gotowych rozwiązań Doświadczenie w pracy w środowiskach o podwyższonym rygorze bezpieczeństwa lub wysokiej dostępności usług Doświadczenie w pracy z technologiami Open Source Umiejętność czytania i rozumienia dokumentacji technicznej oraz proponowania rozwiązań Mile widziane Znajomość wyzwań związanych z low-latency, event-driven architecture, real-time processing. Znajomość technologii blockchain (Ethereum, Hyperledger, Cosmos, Substrate itp.). Znajomość zagadnień ITIL lub posiadanie podstawowych certyfikatów. Rozumienie tokenizacji aktywów, modeli emisji, systemów rejestrów. Praca z agentami AI, orchestratorami, RAG, systemami wektorowymi. Tworzenie botów lub API do automatycznych agentów wykonujących procesy decyzyjne. To oferujemy Pracę przy jednym z najważniejszych systemów płatniczych w Polsce, który codziennie obsługują miliony użytkowników. Realny wpływ na bezpieczeństwo i dostępność usług płatniczych. Możliwość rozwoju kompetencji technicznych i operacyjnych. Przyjazne środowisko, nastawione na współpracę i ciągłe doskonalenie. Elastyczne godziny pracy oraz model hybrydowy. Pakiet benefitów (opieka medyczna, ubezpieczenie, język angielski, platforma e-learningowa, MyBenefit, MultiSport). Budżet rozwojowy i dostęp do szkoleń branżowych.

🏢 Summary: The offer is for a Back End Developer responsible for building and maintaining APIs, backend services, and scalable system architecture within the .NET ecosystem. The role focuses on designing microservices-based solutions, integrating databases and third-party services, and ensuring high performance, security, and reliability. It includes remote work options under a B2B contract. 🗂️ Requirements: Strong knowledge of backend technologies, especially .NET ecosystem, Experience with .NET 8+ and ASP.NET Core, Experience with relational databases (PostgreSQL or MySQL), Experience with NoSQL databases (MongoDB), Experience building RESTful APIs using Swagger / OpenAPI, Experience with Microservices Architecture, Experience with RabbitMQ for message queuing, Experience with Docker and Kubernetes, Experience with Auth0 and JWT-based authentication, Experience with cloud services (AWS, Azure or GCP) 📃 Skills: .NET, ASP.NET, C#, PostgreSQL, MySQL, MongoDB, REST, Swagger, OpenAPI, Microservices, RabbitMQ, Docker, Kubernetes, Auth0, JWT, AWS, Azure, GCP 🏢 Description: Description The Back End Developer will develop and maintain APIs, services, and server-side logic and databases. You'll contribute to system architecture and help scale our platforms. You will ensure high performance and responsiveness of applications, working alongside frontend developers and other team members. Responsibilities Design, build and implement backend services and APIs Design data models and manage database integration Integrate with databases and third-party APIs Implement security and data protection measures Optimize performance and security of systems Requirements Strong knowledge of backend technologies / languages, particularly .NET ecosystem Experience in .NET 8+ (or latest version), including ASP.NET Core for building web APIs and services. Experience with relational databases, such as PostgreSQL, MySQL for structured data, complex queries, and ACID compliant operations Experience with NoSQL databases, such as MongoDB, for handling unstructured or semi-structured data, schema flexibility, and high-throughput scenarios Experience with RESTful APIs for development of robust, secure RESTful services with best practice for APU design, versioning and documentation, using Swagger / Open API Experience in Microservices Architecture, for design, implementation, and management of distributed systems using microservices principles, ensuring loose coupling, scalability, and resilience Experience in Message Queuing:, using RabbitMQ for asynchronous communication, event-driven architecture, and reliable message brokering between services Experience in Containerization and Orchestration, using Kubernetes (K8s) for deploying, scaling, and managing containerized applications in production environments and Docker for containerization Experience in Authentication, using Auth0 for identity management, JWT-based authentication Experience in Cloud Services, such as AQS, Azure, GC Nice to have Experience in Rabbit MQ Middleware Prior experience in the EdTech domain (e-learning platforms, digital classrooms, LMS) Knowledge of learning science, instructional design, or accessibility standards (e.g., WCAG) Familiarity with tools like Moodle, Canvas, Zoom SDK, or Google Classroom integration Working conditions Partly / fully remote B2B contract

🏢 Summary: Senior engineer role focused on designing and implementing backend services and APIs for new payment models and authorization systems in a high-availability, high-security environment. The position involves architectural design, technology selection, building production-grade solutions and proof-of-concepts, and creating scalable, secure integrations. The role also supports testing and deployment processes while contributing to mission-critical payment infrastructure. 🗂️ Requirements: Minimum 10 years experience as backend/full-stack/system engineer, Proficiency in at least two programming languages, Strong knowledge of API design, Experience with microservices architecture, Experience with messaging queues and event-driven systems, Experience with SQL and NoSQL databases, Experience building complex system integrations, Experience in high-availability environments, Experience in high-security environments, Experience with Open Source technologies, Ability to design secure and scalable services 📃 Skills: API, Microservices, SQL, NoSQL, Queues, Event-driven, Blockchain, Ethereum, Hyperledger, Cosmos, Substrate, ITIL, RAG, AI, Low-latency, Real-time, Tokenization 🏢 Description: Twój zakres obowiązków Projektowanie oraz implementacja usług backendowych i API dla nowych modeli płatności oraz systemów autoryzacyjnych. Tworzenie prototypów i usług integracyjnych działających w środowisku o wysokiej dostępności. Współpraca z liderem technicznym przy projektowaniu architektury nowych rozwiązań. Uczestnictwo w procesie analizy technologicznej i wyborze narzędzi. Tworzenie kodu produkcyjnego oraz proof-of-concepts dla nowych funkcjonalności. Dbanie o bezpieczeństwo, skalowalność i jakość implementowanych usług. Współpraca z osobą odpowiedzialną za warstwę biznesowo-regulacyjną oraz z pozostałymi członkami zespołu technicznego. Wspieranie procesów testowych i wdrożeniowych Nasze wymagania Minimum 10 lat doświadczenia w roli backend software engineer / full-stack engineer / system engineer. Bardzo dobra znajomość przynajmniej dwóch języków programowania. Zdrowe fundamenty architektoniczne: API design, mikroserwisy, kolejki, zdarzenia, bezpieczeństwo usług. Umiejętność pracy z bazami danych (SQL/NoSQL) oraz tworzenia złożonych integracji. Samodzielność w prowadzeniu prac projektowych oraz zdolność do działania w obszarach bez gotowych rozwiązań. Doświadczenie w pracy w środowiskach o podwyższonym rygorze bezpieczeństwa lub wysokiej dostępności usług. Doświadczenie w pracy z technologiami Open Source. Umiejętność czytania i rozumienia dokumentacji technicznej oraz proponowania rozwiązań. Mile widziane Znajomość wyzwań związanych z low-latency, event-driven architecture, real-time processing. Znajomość technologii blockchain (Ethereum, Hyperledger, Cosmos, Substrate itp.). Znajomość zagadnień ITIL lub posiadanie podstawowych certyfikatów. Rozumienie tokenizacji aktywów, modeli emisji, systemów rejestrów. Praca z agentami AI, orchestratorami, RAG, systemami wektorowymi. Tworzenie botów lub API do automatycznych agentów wykonujących procesy decyzyjne. To oferujemy Pracę przy jednym z najważniejszych systemów płatniczych w Polsce, który codziennie obsługują miliony użytkowników. Realny wpływ na bezpieczeństwo i dostępność usług płatniczych. Możliwość rozwoju kompetencji technicznych i operacyjnych. Przyjazne środowisko, nastawione na współpracę i ciągłe doskonalenie. Elastyczne godziny pracy oraz model hybrydowy. Pakiet benefitów (opieka medyczna, ubezpieczenie, język angielski, platforma e-learningowa, MyBenefit, MultiSport). Budżet rozwojowy i dostęp do szkoleń branżowych.

🏢 Summary: Backend Software Engineer role focused on building and improving security-sensitive backend services and APIs for a global password and credential management product. The position involves designing robust business logic, access control systems, and integrations while ensuring high standards of security, reliability, and maintainability. Engineers contribute across the full development lifecycle in a collaborative, open-source-driven environment. 🗂️ Requirements: Production experience building backend applications with PHP, Strong knowledge of a modern PHP framework (CakePHP, Symfony or Laravel), Solid backend engineering fundamentals, Ability to design simple, robust solutions for complex problems, Experience with testing and maintaining high code quality, Ability to work on business logic, access control and security-sensitive systems, Collaborative working style with clear communication skills, Interest in security and privacy-focused software development 📃 Skills: PHP, CakePHP, Symfony, Laravel, SQL, PHPUnit, OpenAPI, Git, Docker, Linux, macOS, LDAP, OAuth, JWT, SCIM, WebAuthn, ActiveDirectory, JavaScript, Bash, Python, Go, Rust 🏢 Description: THE CLIENT Our client is a fast-growing cybersecurity product company rethinking how teams manage and share sensitive access. Their platform is trusted by 40,000+ organisations across 50+ countries - and growing fast. This is an engineering-led business: modern architecture, real technical challenges, and a strong focus on open source, privacy, and security. They’re building a fully remote, collaborative team and looking for engineers who take ownership and enjoy solving meaningful problems. If you want to work on a product with real impact at global scale - this is worth a conversation. THE ROLE: Our client is looking for a software engineer to join its Backend team and help build the systems behind its password and credential management products across Community, Enterprise and Cloud editions. This is a backend engineering role in a security-sensitive product environment. The API sits at the centre of how our client handles business logic, access rights, integrations, data integrity and long-term product reliability. The role is well-suited to an engineer who enjoys solving complex product problems, building sustainable systems, and balancing security, simplicity and maintainability. You would contribute across the full development lifecycle: understanding the problem, shaping the technical approach, implementing features, improving the codebase over time, and helping maintain a high standard of quality. This role will suit someone who likes ownership, thinks clearly about impact and trade-offs, and is motivated by building trustworthy software in an open-source environment. RESPONSIBILITIES: Build and improve backend services and API workflows across product suite Translate functional and product requirements into clear, reliable technical solutions Work on business logic, access control, integrations and security-sensitive application flows Help maintain and improve code quality, test coverage, performance and backward compatibility Contribute to technical design discussions and identify opportunities to simplify or strengthen the system over time Collaborate with product, support, security and engineering peers to refine and deliver solutions Contribute to documentation and knowledge sharing across the team CORE REQUIREMENTS: Experience building backend applications in production with PHP Strong backend engineering fundamentals with a modern framework such as CakePHP, Symfony or Laravel Ability to break down complex problems and design simple, robust solutions Good testing habits and attention to quality Comfort working across product, engineering and implementation questions - not just executing tickets Strong collaboration skills, openness to feedback, and a low-ego working style Interest in security, privacy, or building trustworthy software systems NICE TO HAVE: Experience working on security-sensitive applications or authentication / access-control problems Exposure to cryptography-related systems or secure integrations Experience with OpenAPI or well-structured public-facing APIs Experience maintaining long-lived software products Experience with directory integrations or identity systems such as LDAP, Active Directory, OAuth, JWT, SCIM or WebAuthn Experience contributing to open-source projects Familiarity with another language such as JavaScript, Bash, Python, Go or Rust Tools and technologies you’ll work with: You may work across technologies such as PHP, CakePHP, SQL, PHPUnit, OpenAPI, Git and Docker, in Linux and macOS-based development environments. We do not expect candidates to bring experience with every tool listed here. How you work You take ownership of problems, not just tasks You value simplicity and avoid over-engineering You communicate clearly and raise risks early You work well in an environment where feedback is frequent and constructive

🏢 Summary: Backend Software Engineer role focused on building and maintaining secure backend services and APIs for password and credential management products across Community, Enterprise, and Cloud editions. The position involves designing reliable business logic, access control mechanisms, and integrations in a security-sensitive environment. Engineers contribute across the full development lifecycle with strong emphasis on quality, maintainability, and security. 🗂️ Requirements: Commercial experience building backend applications in PHP, Experience with modern PHP frameworks (CakePHP, Symfony or Laravel), Strong backend engineering fundamentals, Ability to design robust solutions for complex problems, Experience writing tests and maintaining code quality, Understanding of security-sensitive systems or access control, Experience working with APIs and backend integrations, Proficiency with SQL and relational databases, Experience using Git for version control, Ability to work in Linux or macOS development environments 📃 Skills: PHP, CakePHP, Symfony, Laravel, SQL, PHPUnit, OpenAPI, Git, Docker, Linux, macOS, LDAP, OAuth, JWT, SCIM, WebAuthn, ActiveDirectory, JavaScript, Bash, Python, Go, Rust 🏢 Description: THE CLIENT Our client is a fast-growing cybersecurity product company rethinking how teams manage and share sensitive access. Their platform is trusted by 40,000+ organisations across 50+ countries - and growing fast. This is an engineering-led business: modern architecture, real technical challenges, and a strong focus on open source, privacy, and security. They’re building a fully remote, collaborative team and looking for engineers who take ownership and enjoy solving meaningful problems. If you want to work on a product with real impact at global scale - this is worth a conversation. THE ROLE: Our client is looking for a software engineer to join its Backend team and help build the systems behind its password and credential management products across Community, Enterprise and Cloud editions. This is a backend engineering role in a security-sensitive product environment. The API sits at the centre of how our client handles business logic, access rights, integrations, data integrity and long-term product reliability. The role is well-suited to an engineer who enjoys solving complex product problems, building sustainable systems, and balancing security, simplicity and maintainability. You would contribute across the full development lifecycle: understanding the problem, shaping the technical approach, implementing features, improving the codebase over time, and helping maintain a high standard of quality. This role will suit someone who likes ownership, thinks clearly about impact and trade-offs, and is motivated by building trustworthy software in an open-source environment. RESPONSIBILITIES: Build and improve backend services and API workflows across product suite Translate functional and product requirements into clear, reliable technical solutions Work on business logic, access control, integrations and security-sensitive application flows Help maintain and improve code quality, test coverage, performance and backward compatibility Contribute to technical design discussions and identify opportunities to simplify or strengthen the system over time Collaborate with product, support, security and engineering peers to refine and deliver solutions Contribute to documentation and knowledge sharing across the team CORE REQUIREMENTS: Experience building backend applications in production with PHP Strong backend engineering fundamentals with a modern framework such as CakePHP, Symfony or Laravel Ability to break down complex problems and design simple, robust solutions Good testing habits and attention to quality Comfort working across product, engineering and implementation questions - not just executing tickets Strong collaboration skills, openness to feedback, and a low-ego working style Interest in security, privacy, or building trustworthy software systems NICE TO HAVE: Experience working on security-sensitive applications or authentication / access-control problems Exposure to cryptography-related systems or secure integrations Experience with OpenAPI or well-structured public-facing APIs Experience maintaining long-lived software products Experience with directory integrations or identity systems such as LDAP, Active Directory, OAuth, JWT, SCIM or WebAuthn Experience contributing to open-source projects Familiarity with another language such as JavaScript, Bash, Python, Go or Rust Tools and technologies you’ll work with: You may work across technologies such as PHP, CakePHP, SQL, PHPUnit, OpenAPI, Git and Docker, in Linux and macOS-based development environments. We do not expect candidates to bring experience with every tool listed here. How you work You take ownership of problems, not just tasks You value simplicity and avoid over-engineering You communicate clearly and raise risks early You work well in an environment where feedback is frequent and constructive

🏢 Summary: Hands-on backend engineering role focused on developing and maintaining Python-based solutions and automation tools with real impact on product and internal projects. The position involves end-to-end ownership of tasks, backend feature development, and technical problem-solving within a collaborative team. It is suited for engineers eager to grow through practical coding and code review experience. 🗂️ Requirements: Very good practical knowledge of Python, Experience in backend development projects, Experience from academic, research, or personal programming projects, Ability to write clean, readable, maintainable code, Knowledge of clean code principles, Understanding of programming best practices, Practical problem-solving skills, Ability to independently deliver tasks end-to-end 📃 Skills: Python, Backend, Automation, Scripting, Git, CodeReview 🏢 Description: Role Objective Development and maintenance of backend solutions and process automation, with a real impact on both product and internal projects. The role is focused on hands-on engineering work and quickly taking ownership of responsibilities. Responsibilities – Participation in backend development projects – Creating and developing scripts and automation tools – Collaborating with the team to solve technical problems – Independently delivering assigned tasks end-to-end – Participating in code reviews and team collaboration Requirements – Very good practical knowledge of Python – Experience gained through student research groups, academic projects, or personal projects – Ability to write clean, readable, and maintainable code – Knowledge of clean code principles and programming best practices – Practical problem-solving skills Desired Traits – Proactivity and initiative – Strong sense of ownership for assigned tasks – A mindset focused on learning and technical growth – Ability to work independently after a short onboarding We offer: – Flexible working hours – Hybrid work options – Medical care program and Multisport – Integrations events

🏢 Summary: The offer is for a Python Backend Engineer to build and maintain scalable backend services and REST APIs in a collaborative product environment. The role focuses on developing clean, well-tested code and contributing to architecture and code quality from day one. It is a fully remote position with flexible contract options and long-term international projects. 🗂️ Requirements: 3+ years of professional Python experience, Strong knowledge of FastAPI, Django, or Flask, Experience with PostgreSQL, Experience with REST API design, Proficiency with Git, Experience with pytest, Experience with CI/CD workflows 📃 Skills: Python, FastAPI, Django, Flask, PostgreSQL, REST, Git, pytest, CI/CD, AWS, GCP, Azure, Docker, Kubernetes, Kafka, Redis, RabbitMQ, Poetry, uv 🏢 Description: About the role We're looking for a Python backend engineer to join a client team and build reliable, scalable services from day one. Responsibilities Design and maintain Python-based backend services and REST APIs Write clean, tested, well-documented code Collaborate with product and DevOps teams on feature delivery Participate in code reviews and architecture discussions Requirements 3+ years of professional Python experience Solid knowledge of FastAPI, Django, or Flask Experience with PostgreSQL and RESTful API design Comfortable with Git, pytest, and CI/CD workflows Good written and spoken English Nice to have AWS, GCP, or Azure Docker / Kubernetes Kafka, Redis, or RabbitMQ Poetry or uv for dependency management pre-commit hooks and code quality tooling We offer B2B contract or employment contract (umowa o pracę / umowa zlecenie) — flexible on the form Fully remote, flexible setup Long-term engagements with international clients Dedicated recruiter support through onboarding

🏢 Summary: Full-stack C#/.NET engineer role focused on building, deploying, and maintaining backend microservices and modern frontend applications in React or Angular. The position involves designing system architecture, developing REST APIs, and managing cloud infrastructure on AWS using Terraform. You will work on production systems used across multiple European countries within an Agile environment. 🗂️ Requirements: 5+ years production experience as C# engineer, Strong frontend experience with React or Angular, Hands-on experience with .NET Core and .NET Framework, Experience with AWS and Terraform or CloudFormation, Experience with MS SQL, PostgreSQL, or DynamoDB, Expertise in REST APIs, Strong experience with CI/CD processes, Knowledge of OOP, SOLID principles, Clean Code, Experience in software architecture design, Computer Science degree, Experience with AI tooling, Experience working in Agile (SCRUM or Kanban) 📃 Skills: C#, .NET, .NETCore, TypeScript, JavaScript, Node.js, REST, React, Angular, AWS, Terraform, CloudFormation, MSSQL, PostgreSQL, DynamoDB, CICD, OOP, SOLID, CleanCode, Microservices, SCRUM, Kanban 🏢 Description: About the role You will need to be proficient in backend and frontend development with a thorough understanding of the technologies involved. Strong backend and frontend skills where you can demonstrate your ability to apply these technologies, as well as deploy and maintain them will be crucial to success. Technologies we work with: C#, .NET Core, .NET Framework, Typescript, JavaScript, Node.js, REST APIs, React, Angular, AWS, Terraform Responsibilities: Designing, writing, testing functionalities for a backend system written in C# and a frontend system written in React or Angular & TypeScript Design software architecture between backend, frontend and mobile apps Deploying and maintaining microservices in AWS using Terraform Maintaining system on production used by consumers from several European countries Debugging issues Scoping and assessing the complexity of features Participating in sprint planning, daily sprints and meetings with product owners for grooming new features Collaborating with other team members and teams who depend on functionalities that you develop Recruiting and mentoring new team members Required qualifications: 5+ years of production software development experience in C# engineer role Exposure and experience in frontend development in React or Angular frameworks Solid hands-on experience in .NET Core and .NET Framework technologies Experience in working with AWS and Terraform / CloudFormation Strong knowledge of DBMS like MS SQL / PostgreSQL / DynamoDB Expertise of REST APIs Strong hands-on experience of CI&CD processes Proficiency in OO design patterns, SOLID principles, Clean Code and solving architectural problems Computer Science degree AI Tooling usage Able to work with Agile methodologies such as SCRUM and/or Kanban Good communication and collaboration skills Self-motivation, proactive attitude Proficiency in English Nice to have: Working experience with one of the object-oriented and/or functional languages such as Java, Elixir, C++, Golang, Erlang, Python, Kotlin.