Mid Full Stack Java Developer

🏢 Summary: Senior Fullstack Developer role focused on building and evolving secure, scalable products for offshore wind farm asset lifecycle management. The position combines .NET, Angular, AWS cloud-native development, distributed integrations, and production ownership, with technical leadership and mentoring responsibilities. 🗂️ Requirements: 5+ years of .NET Core, C#, and Angular experience, System integration and distributed application development experience, REST API, microservices, messaging, and SQL/NoSQL database expertise, AWS cloud-native engineering and production deployment experience, DevOps, CI/CD, test automation, and release management experience, Git, build/deployment tooling, Docker, and Kubernetes proficiency, Senior-level technical ownership, problem-solving, stakeholder communication, and mentoring ability 📃 Skills: .NET, C#, Angular, REST, Microservices, Docker, Kubernetes, Kafka, AMQ, SQL, NoSQL, AWS, EKS, Git, AzureDevOps, GitHubActions, DevOps, CI/CD 🏢 Description: For our client operating in the renewable energy industry , we are looking for a Fullstack Developer (.NET/Angular) to work on the continued development of a product suite supporting offshore wind farm asset lifecycle management. This role involves designing, developing, and evolving scalable, secure, and maintainable products using .NET technologies, Angular, cloud platforms, and modern integration frameworks. Location Hybrid - 2 days/week from Warsaw office Tasks Designing, developing, and evolving scalable, secure, and maintainable products using .NET technologies, Angular, cloud platforms, and modern integration frameworks Taking senior-level ownership of solution quality, security, and compliance by applying best practices for data protection, authentication, authorization, secure coding, observability, and regulatory requirements Owning and improving applications in production, including reliability, performance, maintainability, incident resolution, and continuous improvement of operational practices Driving cloud-native engineering practices, including deploying, scaling, and managing applications in AWS and designing resilient integrations using messaging systems such as Kafka Guiding technical discussions, supporting code reviews, mentoring less experienced engineers, and collaborating with architects, product owners, and stakeholders to translate business needs into robust technical solutions Requirements 5+ years of experience in .NET Core , C# , and Angular Strong experience with system integration and distributed application development using REST APIs , microservices , Docker , Kubernetes , messaging platforms such as Kafka or AMQ , and SQL or NoSQL databases Strong experience with cloud-native technologies on AWS , such as Kubernetes (EKS) , cloud storage, secrets management ( AWS Secrets Manager ), data pipelines, infrastructure automation, monitoring, and production-grade deployments Experience in DevOps practices and tools for automation, continuous integration, continuous delivery, test automation, release management, and improving developer productivity Confidence working with version control systems such as Git , build and deployment tools such as Azure DevOps or GitHub Actions , and containerization technologies such as Docker and Kubernetes Demonstrated senior-level ownership, strong problem-solving skills, and the ability to mentor colleagues, influence technical direction, communicate effectively with stakeholders, and balance delivery speed with long-term quality We Offer Ongoing support from a dedicated agent , taking care of your project continuity, client contact, necessary formalities, work comfort and development, Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors, Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle, Spectacular integration events , both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres), Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients, Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package , including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sound familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives.

🏢 Summary: Hybrid Fullstack Developer role focused on developing and operating a product suite for offshore wind farm asset lifecycle management. The position involves building secure, scalable cloud-native applications with .NET, Angular, AWS, and distributed integration technologies while providing senior technical leadership. 🗂️ Requirements: 5+ years of experience with .NET Core, C#, and Angular, System integration and distributed application development experience, REST APIs, microservices, Docker, Kubernetes, Kafka or AMQ, and SQL or NoSQL database experience, AWS cloud-native engineering experience, including EKS, storage, secrets management, data pipelines, automation, monitoring, and production deployments, DevOps experience with CI/CD, test automation, release management, and automation, Git and Azure DevOps or GitHub Actions experience, Senior-level technical ownership and mentoring experience 📃 Skills: .NET, C#, Angular, AWS, EKS, REST, Microservices, Docker, Kubernetes, Kafka, AMQ, SQL, NoSQL, Git, AzureDevOps, GitHubActions, DevOps 🏢 Description: For our client operating in the renewable energy industry , we are looking for a Fullstack Developer (.NET/Angular) to work on the continued development of a product suite supporting offshore wind farm asset lifecycle management. This role involves designing, developing, and evolving scalable, secure, and maintainable products using .NET technologies, Angular, cloud platforms, and modern integration frameworks. Location Hybrid - 2 days/week from Warsaw office Tasks Designing, developing, and evolving scalable, secure, and maintainable products using .NET technologies, Angular, cloud platforms, and modern integration frameworks Taking senior-level ownership of solution quality, security, and compliance by applying best practices for data protection, authentication, authorization, secure coding, observability, and regulatory requirements Owning and improving applications in production, including reliability, performance, maintainability, incident resolution, and continuous improvement of operational practices Driving cloud-native engineering practices, including deploying, scaling, and managing applications in AWS and designing resilient integrations using messaging systems such as Kafka Guiding technical discussions, supporting code reviews, mentoring less experienced engineers, and collaborating with architects, product owners, and stakeholders to translate business needs into robust technical solutions Requirements 5+ years of experience in .NET Core , C# , and Angular Strong experience with system integration and distributed application development using REST APIs , microservices , Docker , Kubernetes , messaging platforms such as Kafka or AMQ , and SQL or NoSQL databases Strong experience with cloud-native technologies on AWS , such as Kubernetes (EKS) , cloud storage, secrets management ( AWS Secrets Manager ), data pipelines, infrastructure automation, monitoring, and production-grade deployments Experience in DevOps practices and tools for automation, continuous integration, continuous delivery, test automation, release management, and improving developer productivity Confidence working with version control systems such as Git , build and deployment tools such as Azure DevOps or GitHub Actions , and containerization technologies such as Docker and Kubernetes Demonstrated senior-level ownership, strong problem-solving skills, and the ability to mentor colleagues, influence technical direction, communicate effectively with stakeholders, and balance delivery speed with long-term quality We Offer Ongoing support from a dedicated agent , taking care of your project continuity, client contact, necessary formalities, work comfort and development, Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors, Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle, Spectacular integration events , both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres), Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients, Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package , including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sound familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives.

🏢 Summary: Oferta dla Fullstack Java Developera obejmuje rozwój kluczowych systemów biznesowych w nowoczesnym stosie Java, Spring Boot i Angular. Rola łączy projektowanie oraz implementację funkcjonalności, utrzymanie jakości kodu i rozwój aplikacji webowych w środowisku Agile z praktykami code review oraz CI/CD. 🗂️ Requirements: Minimum 4 lata doświadczenia komercyjnego jako programista, Minimum 3 lata programowania w Java 18+, Spring Boot 3+ i JPA, Minimum 3 lata pracy z PostgreSQL, Minimum 2 lata frontend developmentu w Angular, TypeScript i Node.js, Minimum 2 lata pracy w Agile/Scrum, Doświadczenie w projektowaniu i tworzeniu aplikacji webowych, Znajomość integracji REST, SOAP i Kafka, Praktyczna znajomość Git, Bitbucket/GitHub, Maven/Gradle oraz CI/CD, Doświadczenie z Docker, Kubernetes, Linux i Windows, Umiejętność analizy błędów z Kibana i Elasticsearch, Znajomość wzorców projektowych i architektonicznych, Angielski umożliwiający pracę z dokumentacją techniczną 📃 Skills: Java, Spring, JPA, PostgreSQL, Angular, TypeScript, Node.js, REST, SOAP, Kafka, Git, Bitbucket, GitHub, Maven, Gradle, Jenkins, Docker, Kubernetes, Linux, Windows, Kibana, Elasticsearch, Magnolia, Azure, Nginx, Apache 🏢 Description: Dla jednej z największych firm z sektora ubezpieczeniowego w Polsce poszukujemy Fullstack Java Developera , który dołączy do zespołu rozwijającego kluczowe systemy biznesowe. To rola dla osoby, która chce pracować z technologiami Java, Spring Boot i Angular , mając realny wpływ na rozwój nowoczesnych aplikacji wykorzystywanych przez tysiące użytkowników. Na tym stanowisku będziesz projektować i rozwijać nowe funkcjonalności, dbać o jakość kodu oraz współtworzyć rozwiązania zgodne z najlepszymi praktykami architektonicznymi. Praca odbywa się w metodyce Agile, z wykorzystaniem nowoczesnego stosu technologicznego oraz dobrych praktyk, takich jak code review i CI/CD. Co będzie należało do Twoich zadań? Projektowanie i uzgadnianie założeń technicznych z uwzględnieniem bezpieczeństwa danych, integralności systemu, jakości architektury, ciągłości działania oraz minimalizacji długu technologicznego. Implementacja nowych funkcjonalności zgodnie z obowiązującymi standardami architektonicznymi i programistycznymi. Udział w code review oraz dbanie o zgodność kodu z przyjętymi standardami jakości i założeniami projektowymi. Inicjowanie działań refaktoryzacyjnych oraz aktywne ograniczanie długu technologicznego. Wsparcie zespołu podczas wdrażania nowych rozwiązań oraz utrzymania i rozwoju istniejących modułów aplikacji. Diagnozowanie, analizowanie i usuwanie błędów wykrytych podczas testów oraz w środowisku produkcyjnym. Estymacja pracochłonności zadań i udział w planowaniu rozwoju systemu. Wymagania: Minimum 4 lata doświadczenia na stanowisku Programisty w projektach komercyjnych. Minimum 3 lata doświadczenia w programowaniu w Java (Java 18+, Spring Boot 3+, JPA). Minimum 3 lata doświadczenia w pracy z bazą danych PostgreSQL . Minimum 2 lata doświadczenia w programowaniu frontendowym z wykorzystaniem Angular , TypeScript oraz Node.js . Minimum 2 lata doświadczenia w pracy w metodykach zwinnych ( Agile/Scrum ). Doświadczenie w projektowaniu i tworzeniu aplikacji webowych. Znajomość integracji REST, SOAP, Kafka . Praktyczna znajomość Git , Bitbucket/GitHub , Maven/Gradle oraz narzędzi CI/CD (Jenkins, GitHub Actions). Doświadczenie z Dockerem , Kubernetes oraz środowiskami Linux i Windows . Umiejętność analizy i diagnozowania błędów z wykorzystaniem Kibana i Elasticsearch . Znajomość wzorców projektowych i architektonicznych. Znajomość języka angielskiego umożliwiająca pracę z dokumentacją techniczną. Samodzielność, odpowiedzialność oraz umiejętność pracy w dynamicznym środowisku. Dodatkowym atutem będzie: Znajomość Magnolia DX Core (CMS) . Doświadczenie z Microsoft Azure . Znajomość serwerów Nginx i Apache HTTP Server . Co oferujemy? Praca z nowoczesnym stosem technologicznym oferujemy pakiety MultiSport i Lux Med na preferencyjnych warunkach.

🏢 Summary: Long-term, fully remote Senior Fullstack Engineer role building a cloud-native IoT platform for building automation and energy management. The work spans React.js applications, JVM microservices, REST APIs, cloud architecture, automated quality practices, and AI-assisted development. 🗂️ Requirements: 5+ years of commercial full-stack experience, Strong product mindset and ownership of delivered features, Java or Kotlin expertise, Spring Boot and JVM ecosystem knowledge, Microservices architecture and REST API design experience, React.js and modern JavaScript/TypeScript experience, Cloud-native architecture knowledge, Docker containerization experience, Practical Kubernetes knowledge, Daily use of AI-assisted development tools with critical code review skills, Fluent English at C1 level 📃 Skills: Java, Kotlin, Spring, React, JavaScript, TypeScript, Docker, Kubernetes, Copilot, ChatGPT 🏢 Description: About the Project We are seeking an experienced Senior Fullstack Engineer on behalf of our client—a European leader in building automation, energy management, and BMS/EMS/IoT solutions. The project focuses on building and evolving a modern, scalable, next-generation cloud-native platform (Cloud-native / IoT), bringing together a high-performance microservices backend and modern user-facing applications. Work Mode: 100% Remote Start Date: ASAP Duration: long-term Job responsibilities: Building and scaling complete solutions from React.js frontends to robust JVM-based microservices on the backend. Participating in technical discussions, designing REST APIs, and contributing to overall platform modernisations and cloud architecture. Collaborating directly with Product Owners to understand business goals, challenge assumptions constructively, and suggest improvements. Writing clean code, implementing automated testing, conducting code reviews, and maintaining comprehensive technical documentation. Regularly leveraging AI tools (e.g., GitHub Copilot) in daily workflows to boost development speed, generate documentation, and improve productivity. Expectations: 5+ years of commercial Full-stack experience with a strong Product Mindset and proven ownership of delivered features. Strong knowledge of Java and/or Kotlin (JVM ecosystem, Spring Boot), microservices architecture, and REST API design. Hands-on experience with React.js and the modern JavaScript/TypeScript ecosystem. Solid understanding of Cloud-native architectures, containerization (Docker), and practical knowledge of Kubernetes (K8s). Daily active use of AI-assisted tools (Copilot, ChatGPT, etc.) paired with critical code review skills. Fluent English (C1 level) for seamless collaboration in an international environment. (Nice to Have): Experience with SaaS platforms or event-driven architecture, prior domain exposure to IoT, BMS, HVAC, SCADA, or industrial automation, and working knowledge of German. We offer Ongoing support from a dedicated agent , taking care of your project continuity, client contact, necessary formalities, work comfort and development Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle Spectacular integration events , both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres) Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years A complete benefits package , including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.

🏢 Summary: Długofalowa, zdalna współpraca dla Fullstack Engineera (Mid/Senior) z naciskiem na frontend, przy rozwoju ekosystemu narzędzi dla reklamodawców e-commerce. Rola obejmuje tworzenie mikrofrontendów i API dla dashboardów analitycznych oraz usług backendowych wspierających rekomendacje i automatyzację kampanii. Praca dotyczy skalowalnej, zdarzeniowej architektury chmurowej i obejmuje rotacyjne dyżury on-call. 🗂️ Requirements: TypeScript, React, HTML/CSS, Testy Jest, Vitest lub Playwright, Kotlin lub Java, Spring Boot, Relacyjne i nierelacyjne bazy danych, SQL, MongoDB, Mikrousługi, Ekosystem chmurowy, Praktyczne doświadczenie z narzędziami agentowymi do programowania, Język polski, Język angielski B2+ 📃 Skills: TypeScript, React, HTML, CSS, Jest, Vitest, Playwright, Kotlin, Java, SpringBoot, SQL, MongoDB, GCP, Copilot, OpenCode, OpenAI, Anthropic, Scala 🏢 Description: Dla naszego klienta z branży e-commerce poszukujemy Fullstack Engineera (Mid/Senior) z mocniejszym naciskiem na frontend , który dołączy do zespołu rozwijającego inteligentny ekosystem narzędzi wspierających reklamodawców. Projekt skupia się na budowie zaawansowanych systemów rekomendacyjnych oraz integracji rozwiązań automatyzujących zarządzanie kampaniami. Model pracy: Praca zdalna (okazjonalne spotkania 1–2 razy na kwartał w Warszawie lub Krakowie) Czas trwania: współpraca długofalowa Zakres obowiązków Rozwój i budowa skalowalnych mikrofrontendów opartych na React dla dashboardów analitycznych (z uwzględnieniem SSR i accessibility/a11y) Tworzenie wysokowydajnych interfejsów API zasilających dashboardy i benchmarki rynkowe Rozwój serwisów backendowych (Java/Kotlin, Spring Boot) generujących i serwujących spersonalizowane podpowiedzi dla użytkowników we współpracy z zespołem Data Science Współpraca przy rozwoju rozproszonej architektury sterowanej zdarzeniami (event-driven), przetwarzającej duże wolumeny danych w chmurze Wykorzystanie nowoczesnych narzędzi AI ( m.in . GitHub Copilot, rozwiązania OpenAI/Anthropic) w codziennym procesie tworzenia oprogramowania Udział w dyżurach technicznych / reagowaniu na incydenty (on-call: rotacyjny dyżur raz na ok. 1,5–2 miesiące) Oczekiwania Bardzo dobra, praktyczna znajomość TypeScript, React, HTML/CSS oraz stosowania testów (Jest / Vitest / Playwright) Solidne podstawy i swoboda programowania w Kotlinie lub Javie oraz znajomość Spring Boot Dobra znajomość relacyjnych i nierelacyjnych baz danych (SQL, MongoDB) , pojęć z zakresu mikrousług i ekosystemu chmurowego (preferowane GCP) Praktyczne doświadczenie oraz świadome używanie agentowych narzędzi wspierających pisanie kodu (Copilot, OpenCode itp.) Język polski (wymagany) oraz język angielski na poziomie min. B2+ Mile widziane: doświadczenie z Microfrontends, Server-Side Rendering (SSR) i dbałością o dostępność (a11y) ; znajomość języka Scala Oferujemy Stałe wsparcie osobistego agenta , dbającego o Twoją ciągłość projektową, kontakt z klientem, niezbędne formalności, komfort pracy oraz rozwój, Consultant Development Program – doradztwo w planowaniu kariery w oparciu o najnowsze trendy i potrzeby rynku IT, obejmujące m.in . konsultacje z agentami i mentorami kariery , Dostęp do 7N Learning & Development – platformy rozwojowo-edukacyjnej z webinarami, biblioteką artykułów i raportów branżowych oraz regularnymi zaproszeniami na jednorazowe i cykliczne wydarzenia rozwojowe – techniczne, biznesowe oraz life-stylowe, Spektakularne eventy integracyjne , zarówno dla Ciebie (np. coroczny wyjazd Kick-Off , imprezy świąteczne czy sportowe Letnie Igrzyska), jak i dla Twoich bliskich (np. pikniki rodzinne, premiery filmowe), Rozwój zawodowy nie tylko podczas projektu – możesz zaangażować się w przekazywanie wiedzy innym w ramach oferty 7N Services kierowanej do klientów 7N, Relacje i dostęp do wiedzy najbardziej doświadczonych ekspertów IT na rynku – średni staż zawodowy naszego Konsultanta w Polsce to ponad 10 lat. Pakiet benefitów zaplanowany od A do Z , czyli dofinansowanie do opieki medycznej, ubezpieczenia na życie, karty sportowej dla Ciebie i Twoich bliskich, a także zniżki do sklepów w Polsce i za granicą O 7N Ciągłe poszukiwanie projektów, trudne negocjacje stawek, brak wsparcia w rozwoju – brzmi znajomo? W 7N zyskujesz nie tylko stabilność kontraktów, ale też zaangażowanie osobistego opiekuna dbającego o Twój komfort zawodowy i stały dostęp do inicjatyw rozwojowych. Naszym celem jest zapewnienie Ci stabilnej i komfortowej współpracy, która przyczyni się do sukcesu Twojego jako eksperta IT oraz naszych klientów. Budujemy trwałe relacje, bazując na skandynawskich wartościach i 30-letnim doświadczeniu w tworzeniu rozwiązań IT dla ponad 200 organizacji.

🏢 Summary: Hybrid full-stack development role for a mid-level engineer specializing in Java or Angular, with commercial experience across both backend and frontend. The role involves delivering roadmap-aligned software, maintaining code quality and test coverage, and collaborating on planning, estimation, and knowledge sharing. 🗂️ Requirements: 3+ years of software development experience, Primary expertise in Java backend or Angular frontend development, 1+ year of commercial experience in the complementary frontend or backend area, Hands-on experience with the specified backend or frontend stack, Fluent English, Ability to work hybrid in Warsaw at least 1 day per week 📃 Skills: Java, Angular, SpringBoot, Hibernate, Oracle, PL/SQL, Liquibase, Maven, Swagger, IBMMQ, Feign, Vavr, JUnit, Nx, NgRx, Jest, Bitbucket, Jenkins, SonarQube, Kubernetes, ELK 🏢 Description: We are looking for a Mid-level Full Stack Developer (3+ years of experience) who specializes in either Java or Angular, with solid hands-on experience on the secondary side and a drive to grow across the full stack. Requirements: Experience: 3+ years in software development with primary expertise in either backend or frontend, plus at least 1+ year of commercial experience on the complementary side. Tech Stack: Backend: Java 8/17, Spring Boot, Hibernate, Oracle PL/SQL, Liquibase, Maven, Swagger, IBM MQ, Feign, Vavr, JUnit Frontend: Angular 15, Nx (Micro frontends), NgRx, Jest DevOps & Tools: Bitbucket, Jenkins, SonarQube, Kubernetes, ELK Stack Soft Skills: Collaborative mindset, willingness to learn from team experts, and fluent English. Responsibilities: Development: Deliver software aligned with project requirements and a multi-year product roadmap. Collaboration & Quality: Work with the team to match end-user expectations, maintaining high code quality through code reviews and thorough test coverage. Planning & Estimation: Participate in project planning, provide accurate task estimates, and deliver proactive updates. Team Engagement: Maintain a supportive attitude and share knowledge across the team. Work Setup: Location: Hybrid work model based in Warsaw (minimum 1 day per week in the office).

🏢 Summary: Long-term, fully remote Fullstack Developer role building a web platform that uses high-performance computing to model antibody structures and assess their properties. The position combines Python backend development with React frontend work, APIs, databases, AWS, and scalable architecture practices. 🗂️ Requirements: 5+ years of experience in a similar role, Python with Django and Celery, TypeScript and React frontend development, REST and GraphQL API experience, Postgres and MongoDB experience, AWS experience, Clean code, test coverage, and scalable architecture practices, Written and spoken English 📃 Skills: Python, Django, Celery, TypeScript, React, REST, GraphQL, Postgres, MongoDB, AWS, RDBMS, NoSQL 🏢 Description: About the Project We are looking for Fullstack Developer (Python + React) who will join a team responsible for developing web-based platform that leverages high performance computing clusters to translate antibody sequences into structures and analyze their intrinsic and developability characteristics using state-of-the-art computational and biomolecular modeling approaches. Work Mode: 100% remote Duration of the project: long-term cooperation Expectations At least 5 years of experience holding similar role Strong experience in working with Python (Django, Celery) Strong frontend development skills (TypeScript, React) REST and GraphQL API experience RDBMS/NoSQL (Postgres, MongoDB) Hands-on experience with Amazon Web Services (AWS) A commitment to clean code, test coverage, and building future-proof, scalable architectures Great written and verbal communication in English Nice to have: experience with medical, biological sectors We offer Ongoing support from a dedicated agent , taking care of your project continuity, client contact, necessary formalities, work comfort and development Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle Spectacular integration events , both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres) Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years A complete benefits package , including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.