Full-Stack Developer (React + AWS)

🏢 Summary: Senior Full Stack Team Lead role focused on building and scaling web applications using React and Node.js while leading a development team. The position combines hands-on front-end and back-end development with architecture design, API development, and deployment in cloud environments. You will drive technical decisions, ensure code quality, and oversee delivery of scalable, production-ready systems. 🗂️ Requirements: 7+ years full-stack development experience with React and Node.js, 2+ years experience in leadership or senior technical role, Strong experience with React.js, Redux, React Hooks, Strong knowledge of HTML5, CSS3, modern JavaScript, Proficiency in Node.js and Express.js, Experience building REST APIs, Experience with PostgreSQL or MySQL, Experience with authentication methods (OAuth, JWT, sessions), Experience with CI/CD and Docker, Experience working with production systems, Experience with Git, Understanding of Agile/Scrum methodologies 📃 Skills: React, Redux, JavaScript, HTML5, CSS3, Node.js, Express, REST, GraphQL, PostgreSQL, MySQL, OAuth, JWT, Docker, Kubernetes, AWS, Azure, GCP, Git, CI/CD, Webpack, Babel, Vite, MongoDB 🏢 Description: Overview We are a leading company in AI-based enterprise operations. We provide digital solutions and consulting services that help businesses grow and improve. We use modern technology to make processes simpler, increase efficiency, and create new ways to earn money, especially in private capital markets. Our ecosystem includes three main parts. First, PaaS (Platform as a Service) with the Orion Platform, which helps improve workflows, show useful insights, and support value growth across portfolios. Second, SaaS (Software as a Service), a cloud platform that offers strong performance and smart tools at scale. Third, our Solutions and Consulting Suite, which includes flexible technology solutions to manage, grow, and improve company performance. With more than 10 years of experience, we support fast-growing companies and private equity platforms, turning technology into a real business advantage. Responsibilities and Duties We are looking for an experienced Full Stack Team Lead with strong skills in React and Node.js. The right person has over 7 years of experience building high-quality web applications and has experience leading a team. You will guide developers, work on both front-end and back-end, take part in all stages of development, and support junior team members. Key Responsibilities Team Leadership & Mentorship: Lead and support a team of developers. Help them grow, review code, and give technical advice. Front-End Development: Build and maintain user interfaces using React.js, Redux, and modern JavaScript. Back-End Development: Create strong and scalable server applications and APIs using Node.js and Express. Integration: Work with database engineers to design databases and manage data using MongoDB or SQL. Application Architecture: Design scalable systems and microservices that meet business needs. Testing & Debugging: Write tests, fix issues, and improve performance. Support good testing practices. Deployment: Manage releases using CI/CD tools and Docker. Collaboration: Work with designers, product managers, and developers to create useful solutions. Communicate with both technical and non-technical teams. Maintenance: Monitor systems, fix problems, and improve applications. Documentation: Write and maintain technical documents for systems and APIs. Requirements Front-End: Strong experience with React.js, Redux, React Hooks, and component-based design Good knowledge of HTML5, CSS3, and modern JavaScript Familiar with tools like Webpack, Babel, or Vite Back-End: Strong skills in Node.js and Express.js Experience building and using APIs (GraphQL is a plus, REST is required) Knowledge of authentication methods like OAuth, JWT, and sessions Database: Experience with PostgreSQL or MySQL Additional Skills: Experience with Docker and Kubernetes is a plus Knowledge of cloud platforms like AWS, Azure, or GCP Experience with Git Understanding of Agile/Scrum methods Qualifications At least 7 years of experience in full-stack development with React and Node.js At least 2 years in a leadership or senior role Experience working with live production systems Bachelor’s degree in Computer Science or similar (preferred) Soft Skills Strong problem-solving and analytical thinking Good communication and teamwork skills Ability to work independently and manage tasks well Willingness to learn new technologies and improve continuously Why Join Us? We look for people who solve problems creatively, learn quickly, and enjoy working in an open and diverse team. We work hard, but we also like to enjoy what we do and aim for high results.

🏢 Summary: Full Stack Developer role focused on building and enhancing a global web application that supports Account Managers with data access and AI-powered insights. The position involves developing scalable, data-driven features using modern front-end and back-end technologies within an Agile, international team. The product leverages REST APIs, data pipelines, and LLM-based solutions to improve user productivity. 🗂️ Requirements: Strong experience with React, Proficiency in TypeScript or JavaScript, Experience with Node.js, Knowledge of Express or NestJS, Understanding of RESTful APIs, Experience with Git, Experience with CI/CD workflows, Proficiency in English 📃 Skills: React, TypeScript, JavaScript, Node.js, Express, NestJS, REST, Git, CI/CD, Java, Spring, AWS, Lambda, S3, CloudWatch, BigQuery, LLM 🏢 Description: About the Project We’re looking for an experienced Full Stack Developer to join our high-performing team and build a product for a global company in the MLM industry. This global web application supports Account Managers across multiple markets and is designed to enhance their experience and reduce time to data access. The solution: - Provides Account Management support for an international organization with global reach. - Captures qualitative lead information to improve decision-making. - Enhances Account Managers’ ability to consult effectively with customers. - Leverages LLM (Large Language Model) agents to improve user performance and productivity. You’ll join an experienced, international team focused on delivering scalable, data-driven, and user-friendly applications used across the world. Your Responsibilities - Develop and maintain web application features using React on the front-end. - Implement server-side logic using Node.js. - Collaborate with UX/UI designers and back-end developers to deliver high-quality solutions. - Integrate REST APIs and data pipelines. - Participate in Agile ceremonies, code reviews, and design discussions. - Contribute to continuous improvement and innovation initiatives within the project. Requirements - Strong experience with React or other front-end framework (TypeScript/JavaScript). - Experience with Node.js (Express or NestJS preferred). - Understanding of RESTful API design and integration. - Experience with Git and CI/CD workflows. - Good communication skills and proficiency in English (international team environment). Nice to Have - Experience with Java (Spring Boot). - Familiarity with AWS cloud services (Lambda, S3, CloudWatch, etc.). - Experience with Google Cloud BigQuery. - Understanding of LLM/AI-assisted application design principles. We Offer - Work on a strategic, global-scale project with cutting-edge technologies. - Flexible working hours. - B2B or employment contract terms. - Opportunity to collaborate with international experts in a modern Agile environment. - Continuous learning and participation in innovative product development.

🏢 Summary: Long-term remote contract for a Senior AWS Full Stack Developer focused on building and maintaining cloud-native data-driven applications on AWS. The role combines backend development with FastAPI, frontend development in React, and data processing using AWS Glue and PySpark. Responsibilities include designing scalable architectures, developing RESTful APIs, and optimizing performance, security, and reliability. 🗂️ Requirements: Proven experience developing cloud-native solutions on AWS, Strong experience with AWS Glue and PySpark, Experience with ECS and/or Kubernetes (K8s), Strong frontend development experience with React, Experience building RESTful APIs with FastAPI, Experience designing and maintaining scalable, secure applications, Knowledge of DevOps practices (GitHub Actions, Terraform), English proficiency at B2/C1 level 📃 Skills: AWS, Glue, PySpark, ECS, Kubernetes, React, FastAPI, Python, REST, GitHub, Terraform, DevOps 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko Senior AWS Full Stack Developer (Python+React). Zakres obowiązków: Projektowanie, wdrażanie i utrzymywanie aplikacji cloud-native z wykorzystaniem usług AWS, w tym AWS Glue oraz ECS. Projektowanie i implementacja interfejsów użytkownika w React, zapewniając płynną integrację z usługami backendowymi. Budowa i utrzymywanie wydajnych API RESTful przy użyciu FastAPI. Pisanie i optymalizacja skryptów AWS Glue na potrzeby procesów przetwarzania oraz transformacji danych. Współpraca z Product Ownerem oraz innymi inżynierami w celu dostarczania wysokiej jakości rozwiązań programistycznych. Aktywny udział w code review i dzielenie się konstruktywnym feedbackiem wewnątrz zespołu. Diagnozowanie i rozwiązywanie problemów związanych z wydajnością, bezpieczeństwem oraz skalowalnością aplikacji. Oczekujemy: Udokumentowanego doświadczenia w rozwoju rozwiązań cloud-native na AWS, ze szczególnym uwzględnieniem projektów związanych z danymi. Biegłości w pracy z AWS Glue oraz PySpark. Doświadczenia w programowaniu oraz podstawowej administracji w środowiskach ECS i/lub Kubernetes (K8s). Silnych umiejętności w zakresie front-end developmentu z wykorzystaniem biblioteki React. Doświadczenia w budowaniu API RESTful przy użyciu FastAPI. Znajomości praktyk DevOps, takich jak GitHub Actions oraz Terraform (mile widziane). Znajomości języka angielskiego na poziomie B2 lub C1 - umożliwiająca swobodną komunikację w międzynarodowym środowisku. Mile widziana jest dostępność ASAP, akceptowalny jest maksymalnie miesięczny okres wypowiedzenia, ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 160-180 PLN netto/godz. + VAT. Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny i szybki proces rekrutacyjny - jedna, maksymalnie dwie rozmowy techniczne z managerami, online (każda po godzinie). Współpraca w godzinach 9:00-17:00, możliwa lekka elastyczność. Współpraca w pełni zdalna. Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.

🏢 Summary: Full Stack Developer role with a primary focus on backend development in Java, responsible for building and maintaining scalable, secure microservices and REST APIs within an Agile environment. The position involves database design, cloud integration, and CI/CD pipeline participation, with additional work on modern React-based frontend components. The role emphasizes high code quality, performance optimization, and secure application architecture. 🗂️ Requirements: 5+ years experience in Full Stack or Backend development, Strong proficiency in Java, Experience with Spring Boot, Hibernate, JPA, Experience building REST APIs and microservices, Knowledge of OAuth2 and JWT authentication, Experience with SQL and NoSQL databases, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Cloud platform experience (AWS, Azure, or GCP), Experience working in Agile teams, Bachelor’s or Master’s degree in Computer Science or related field 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, React, Redux, TypeScript, JavaScript, HTML5, CSS3, MaterialUI, Bootstrap, Tailwind, Jenkins, GitHubActions, GitLab, Docker, Kubernetes, AWS, Azure, GCP 🏢 Description: Overview We are a company leveraging AI to optimize business operations. Our mission is to provide digital solutions and consulting services that help companies grow and create value. By using modern technology, we simplify processes, increase efficiency, and discover new revenue opportunities—especially in private capital markets. Our ecosystem includes: PaaS (Platform as a Service): A core platform that enhances workflows, provides actionable insights, and supports value creation. SaaS (Software as a Service): A cloud platform offering robust performance and intelligent tools at scale. S&C (Solutions & Consulting): Flexible tools and methodologies to manage, grow, and improve company performance. With over 10 years of experience working with fast-growing companies and private equity businesses, we know how to harness technology to deliver tangible business advantages. Job Description We are looking for Full Stack Developer with strong Java expertise. While your main focus will be backend systems, experience with modern frontend technologies (React.js, TypeScript) is also required. You will join an Agile team to design, build, and maintain scalable, secure, and high-performing applications. Key Responsibilities Backend Development (Primary Focus) Develop and maintain REST APIs and microservices using Java (Spring Boot, Hibernate, JPA). Implement secure authentication, authorization, and data handling mechanisms. Design and optimize databases (PostgreSQL, MySQL, MongoDB) for performance and reliability. Integrate with third-party APIs, cloud services, and internal systems. Participate in deployment pipelines using CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD) and containerization (Docker, Kubernetes). Frontend Development (Nice-to-Have) Build responsive UI components using React.js, Redux, and modern JavaScript/TypeScript. Apply best practices in UI/UX design, performance optimization, and cross-browser compatibility. Work with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS. Code Quality & Testing Write clean, maintainable, and well-documented code. Create unit and integration tests for backend services, and frontend components if applicable. Collaboration & Agile Development Collaborate with designers, product managers, and DevOps engineers. Participate in Agile/Scrum ceremonies and contribute to process improvement initiatives. Required Skills & Experience Backend Strong proficiency in Java , Spring Boot, Hibernate, JPA, and REST API development. Experience with microservices architecture and API Gateway. Knowledge of authentication/authorization protocols: OAuth2, JWT, sessions. Frontend (Optional / Nice-to-Have) Experience with React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript. Understanding of state management and component-based design. Familiarity with UI libraries/frameworks: Material-UI, Bootstrap, or Tailwind CSS. Database & DevOps SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD). Cloud platform experience (AWS, Azure, GCP) and containerization (Docker/Kubernetes). Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. 5+ years of experience as a Full Stack or Backend Developer. Experience working in Agile teams. Strong problem-solving and analytical skills. Soft Skills Excellent communication and teamwork abilities. Ability to manage multiple tasks in a fast-paced environment. Eagerness to learn new technologies and improve processes.

🏢 Summary: Backend-focused Full Stack Developer role centered on designing and building scalable, secure Java-based applications within an Agile environment. The position emphasizes backend development with Spring Boot and microservices, while contributing to CI/CD, cloud deployments, and optionally modern React-based frontend components. You will develop high-performing systems, integrate APIs, and ensure code quality through testing and best practices. 🗂️ Requirements: 5+ years experience as Java Backend or Full Stack Developer, Strong proficiency in Java, Experience with Spring Boot, Hibernate, JPA, Experience building REST APIs and microservices, Knowledge of OAuth2 and JWT authentication, Experience with SQL and NoSQL databases, Experience with CI/CD pipelines, Experience with Docker and Kubernetes, Experience with AWS, Azure or GCP, Bachelor’s or Master’s degree in Computer Science or related field, Experience working in Agile teams 📃 Skills: Java, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, Jenkins, GitHubActions, GitLab, Docker, Kubernetes, AWS, Azure, GCP, React, Redux, TypeScript, HTML5, CSS3 🏢 Description: Overview We are a company leveraging AI to optimize business operations. Our mission is to provide digital solutions and consulting services that help companies grow and create value. By using modern technology, we simplify processes, increase efficiency, and discover new revenue opportunities—especially in private capital markets. Our ecosystem includes: PaaS (Platform as a Service): A core platform that enhances workflows, provides actionable insights, and supports value creation. SaaS (Software as a Service): A cloud platform offering robust performance and intelligent tools at scale. S&C (Solutions & Consulting): Flexible tools and methodologies to manage, grow, and improve company performance. With over 10 years of experience working with fast-growing companies and private equity businesses, we know how to harness technology to deliver tangible business advantages. Job Description We are looking for a Backend-Focused Full Stack Developer with strong Java expertise. While your main focus will be backend systems, experience with modern frontend technologies (React.js, TypeScript) is a valuable plus. You will join an Agile team to design, build, and maintain scalable, secure, and high-performing applications. Key Responsibilities Backend Development (Primary Focus) Develop and maintain REST APIs and microservices using Java (Spring Boot, Hibernate, JPA). Implement secure authentication, authorization, and data handling mechanisms. Design and optimize databases (PostgreSQL, MySQL, MongoDB) for performance and reliability. Integrate with third-party APIs, cloud services, and internal systems. Participate in deployment pipelines using CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD) and containerization (Docker, Kubernetes). Frontend Development (Nice-to-Have) Build responsive UI components using React.js, Redux, and modern JavaScript/TypeScript. Apply best practices in UI/UX design, performance optimization, and cross-browser compatibility. Work with UI frameworks like Material-UI, Bootstrap, or Tailwind CSS. Code Quality & Testing Write clean, maintainable, and well-documented code. Create unit and integration tests for backend services, and frontend components if applicable. Collaboration & Agile Development Collaborate with designers, product managers, and DevOps engineers. Participate in Agile/Scrum ceremonies and contribute to process improvement initiatives. Required Skills & Experience Backend Strong proficiency in Java , Spring Boot, Hibernate, JPA, and REST API development. Experience with microservices architecture and API Gateway. Knowledge of authentication/authorization protocols: OAuth2, JWT, sessions. Frontend (Optional / Nice-to-Have) Experience with React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript. Understanding of state management and component-based design. Familiarity with UI libraries/frameworks: Material-UI, Bootstrap, or Tailwind CSS. Database & DevOps SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD). Cloud platform experience (AWS, Azure, GCP) and containerization (Docker/Kubernetes). Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. 5+ years of experience as a Full Stack or Backend Developer (Java-focused). Experience working in Agile teams. Strong problem-solving and analytical skills. Soft Skills Excellent communication and teamwork abilities. Ability to manage multiple tasks in a fast-paced environment. Eagerness to learn new technologies and improve processes.

🏢 Summary: Backend/Fullstack Developer role focused on building and developing ASP.NET Core / .NET systems and web portals supporting veterinary laboratory operations. The position involves designing REST APIs, working with MS SQL databases, contributing to React-based frontend, and participating in architectural decisions. The offer emphasizes clean architecture, testing, CI/CD, and real impact on a production product. 🗂️ Requirements: Minimum 2 years commercial experience as Backend or Fullstack Developer, Very good knowledge of C# and .NET, Experience with ASP.NET Core and Web API, Experience with EF Core and/or Dapper, Knowledge of React for web applications, Practical understanding of SOLID and REST principles, Experience writing unit tests, Experience working with MS SQL Server 📃 Skills: C#, .NET, ASP.NET, REST, EF, Dapper, React, TypeScript, SQL, MSSQL, xUnit, Moq, FluentAssertions, MediatR, FluentValidation, AutoMapper, Git, CI/CD, Azure, Swagger, JSON 🏢 Description: O nas Jesteśmy zespołem rozwijającym nowoczesne systemy dla dynamicznie rosnącej sieci laboratoriów weterynaryjnych w Europie. Budujemy produkty wykorzystywane realnie każdego dnia: portale webowe dla klientów i laboratoriów, systemy backendowe obsługujące logistykę próbek, integracje z urządzeniami laboratoryjnymi oraz systemami zewnętrznymi. Stawiamy na czytelny kod, testy, sensowną architekturę i realny wpływ zespołu na produkt . Twoje zadania Rozwój backendu w ASP.NET Core / .NET Projektowanie i rozwój REST API Praca z bazami danych MS SQL (EF Core, Dapper) Rozwój portalu webowego w React Pisanie testów jednostkowych i integracyjnych Współpraca z Product Ownerem, QA i innymi developerami Udział w decyzjach architektonicznych i rozwoju produktu Stack technologiczny Backend: .NET 6+, ASP.NET Core, Web API Entity Framework Core, Dapper MediatR, FluentValidation, AutoMapper xUnit, Moq, FluentAssertions MS SQL Server Git, CI/CD, Azure DevOps Frontend (Web): React (portal webowy) TypeScript (podstawowy / średni zakres) REST API, JSON, Swagger Mobile (opcjonalnie): React Native – drobne prace lub wsparcie developera mobilnego (nie core projektu) To właśnie Ciebie szukamy, jeśli posiadasz: Min. 2 lata doświadczenia komercyjnego jako Backend lub Fullstack Developer Bardzo dobra znajomość C#, .NET, ASP.NET Core, Web API Doświadczenie w pracy z EF Core i/lub Dapper Znajomość Reacta w kontekście aplikacji webowych Znajomość zasad SOLID, REST, DDD (na poziomie praktycznym) Doświadczenie w pisaniu testów jednostkowych Umiejętność pracy zespołowej i komunikatywność Nie wymagamy znajomości wszystkich bibliotek – ważniejsze jest rozumienie koncepcji i dobra jakość kodu. Co oferujemy Pracę nad realnym, rozwijanym produktem (nie projekty „na półkę”) Realny wpływ na architekturę i decyzje techniczne Nowoczesny stack i sensowny proces wytwórczy Stabilne środowiska testowe i CI/CD Zespół zaangażowanych, technicznych ludzi Biuro we Wrocławiu, Katowicach, Warszawie, Gdańsku lub 100% remote Możliwość dalszego rozwoju technicznego

🏢 Summary: B2B role for an experienced Full-stack Developer (Java/React) to build and maintain Data Lake, Data Warehouse and "chat with data" solutions, covering both backend services and frontend components. The position involves designing data models, building data pipelines (on-prem and GCP), optimizing SQL queries, and developing conversational web applications end-to-end. Work is performed in a DevSecOps model with responsibility for CI/CD, monitoring and production support. 🗂️ Requirements: Experience with React, Experience with Java and API development, Experience building conversational web applications (chat, streaming, history, feedback, sources), Knowledge of BigQuery and SQL, Experience in data modeling (logical and physical), Experience building data pipelines (on-prem and cloud), SQL query optimization skills, Experience with Git and code review, Experience writing unit, integration and e2e tests, Experience with CI/CD pipelines, Experience with monitoring and logging, Experience in incident handling and production support, Ability to design data-focused UI (tables, charts, drill-down, export) 📃 Skills: Java, React, SQL, BigQuery, GCP, CloudRun, PubSub, Docker, Kubernetes, Git, CI/CD, DevSecOps, APIs, DataLake, DWH 🏢 Description: Poszukujemy doświadczonego Full-stack Developera (java/react), który dołączy do zespołu rozwijającego nowoczesne rozwiązania w obszarze Data Lake, DWH oraz „chat with data”. Praca obejmuje zarówno rozwój backendu, jak i współpracę przy projektowaniu interfejsów oraz komponentów frontendowych. Oferujemy Długoterminowa współpraca w oparciu o kontrakt B2B Prywatna opieka medyczna Karta multisportowa Udział w nowoczesnych projektach Praca hybrydowa – min. 1 dzień w tygodniu w biurze (Poznań lub Warszawa) Obowiązki Budowa i rozwój rozwiązań Data Lake i Data Warehouse (online/offline) Projektowanie i implementacja procesów zasilania danych Modelowanie danych (logiczne i fizyczne) Optymalizacja zapytań SQL (on-prem i GCP) Tworzenie pipeline’ów danych (on-prem oraz chmura GCP) Rozwój narzędzia „chat with data” (end-to-end) Współpraca przy projektowaniu rozwiązań IT zgodnych z wymaganiami biznesowymi Obsługa incydentów i rozwiązywanie problemów produkcyjnych Wsparcie testów i wdrożeń Utrzymanie i serwisowanie systemów Praca w modelu DevSecOps Wymagania Znajomość frontend’u: React Doświadczenie w budowie aplikacji webowych z elementami konwersacyjnymi (chat), w tym: streaming odpowiedzi historia rozmów feedback użytkownika prezentacja źródeł i uzasadnień Doświadczenie backendowe: Java – projektowanie i rozwój usług API Podstawowa znajomość BigQuery / SQL Umiejętność projektowania ergonomicznego UI dla danych: tabele, wykresy, drill-down, eksport wyników Doświadczenie w pracy zespołowej: Git, code review, standardy jakości, dokumentacja testy (unit / integration / e2e) Doświadczenie produkcyjne: CI/CD, monitoring, logowanie reagowanie na incydenty Gotowość do współpracy z AI Engineerami i zespołami data: kontrakty API, formaty danych, walidacje, optymalizacja kosztów Mile widziane Znajomość rozwiązań typu semantic / metrics layer (caching, pre-aggregations, governance metryk) Doświadczenie z narzędziami „conversational analytics” / „chat with data” Znajomość bibliotek UI i data visualization GCP: Cloud Run, Pub/Sub Docker / Kubernetes Doświadczenie w środowisku regulowanym (np. bankowość) Ta rola nie jest dla Ciebie, ale masz znajomego, który by się sprawdził? Poleć go i zgarnij nawet 5000 zł. Referral Program: Talent from your network Nie zwlekaj i zaaplikuj już teraz! Nr ref.: 30/4/2026/r/3382

🏢 Summary: Full-Stack Developer role focused on building and enhancing business applications using C#/.NET on the backend and React (18+) on the frontend. The position involves developing new features, maintaining and improving legacy code, and contributing to solution design within an Agile/Scrum team. Strong emphasis on backend expertise, frontend development, and architectural best practices. 🗂️ Requirements: 5+ years of experience with .NET and C#, 3+ years of experience with React (18+), Strong knowledge of .NET Framework, .NET Standard, .NET Core/.NET, Experience with debugging, profiling and performance analysis, Understanding of DDD, Clean Code and SOLID principles, Knowledge of architectural patterns and asynchronous communication, Good command of T-SQL, Experience with SQL Server Management Studio (SSMS), Experience with Visual Studio 📃 Skills: C#, .NET, React, TSQL, SQLServer, SSMS, VisualStudio, DDD, SOLID, CleanCode, Scrum, Debugging, Profiling, Architecture, Asynchronous 🏢 Description: We’re looking for an experienced Full-Stack Developer to build and evolve business applications using C#/.NET on the backend and React on the frontend. You’ll work closely with a cross-functional team (QA, Analysts, Product Owner) in an Agile/Scrum environment, contributing to both new development and improvements to existing (including legacy) codebases. Key responsibilities: Develop software in C# based on functional and technical documentation Build and maintain the frontend using React (18+) Analyse and improve existing code, including legacy components Contribute to solution design and architecture Collaborate daily with developers, testers, analysts and the Product Owner in Scrum Requirements: 5+ years of experience building applications with .NET / C# 3+ years of experience building applications with React Strong knowledge of C# (.NET Framework, .NET Standard, .NET Core/.NET) React experience with modern versions (React 18+) Practical skills in debugging, profiling and performance analysis Understanding of DDD, Clean Code, SOLID Knowledge of architectural patterns and asynchronous communication Good command of T-SQL and SQL Server Management Studio (SSMS) Experience working with Visual Studio Nice to have Experience building views/UI for mobile applications Background in projects for the financial sector Test automation experience (e.g., Postman, Playwright) Familiarity with WCAG accessibility standards

🏢 Summary: Full Stack Developer role focused on building and evolving a modern web application platform with complex workflows and data-driven features. The position involves developing and maintaining both frontend and backend components, ensuring scalability, performance, and reliability. You will collaborate within a cross-functional team to deliver iterative improvements using modern development practices and AI-assisted tools. 🗂️ Requirements: Experience in full stack web application development, Hands-on experience with React, Experience with C# and .NET or comparable backend technologies, Practical experience with SQL-based databases and writing queries, Experience using AI-assisted development tools (e.g., Claude, Cursor), Solid understanding of Git and version control workflows, Ability to work with and extend existing codebases 📃 Skills: React, TypeScript, C#, .NET, SQL, Git, REST, Claude, Cursor 🏢 Description: Project overview The project is a web based application platform designed to support complex user workflows and data driven features. It focuses on performance, maintainability, and iterative delivery of new capabilities. Team You will be part of a cross functional development team consisting of full stack developers, frontend specialists, backend engineers, and QA engineers. The team works collaboratively, reviews code regularly, and follows shared development standards and branching practices. Position overview We are looking for a Full Stack Developer to contribute to the development and evolution of a modern web application platform. You will work on both frontend and backend components, focusing on building reliable, scalable features and improving existing functionality. The role combines hands on development with close collaboration across engineering and product roles. Technology stack React, TypeScript, C#, .NET, SQL based databases, Git, REST APIs, AI assisted development tools such as Claude and Cursor Responsibilities Develop and maintain frontend features using React and related technologies Build and support backend services using C# and .NET Collaborate with team members on feature design, implementation, and code reviews Work with SQL based databases to design, query, and optimize data storage Use AI assisted development tools to improve development efficiency and code quality Follow established Git workflows and branching strategies Participate in troubleshooting, debugging, and performance improvements Requirements Experience building web application platforms in a full stack role Hands on experience with React for frontend development Experience with C# and .NET or comparable backend technologies Understanding of SQL based databases and practical experience writing queries Experience using AI tools to support software development, including Claude or Cursor Solid understanding of Git, version control, and common branching flows Ability to work with existing codebases and contribute to ongoing development Nice to have Experience with cloud based environments Familiarity with CI CD pipelines Experience working on large scale or long term web platforms Exposure to performance optimization and application monitoring 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.)

🏢 Summary: Oferta dotyczy pracy zdalnej na stanowisku Full Stack Developera przy rozwoju aplikacji webowej dla branży digital marketingu wykorzystującej AI i algorytmy rekomendacyjne. Rola obejmuje rozwój frontendu w React i Next.js oraz backendu w Pythonie, integracje API i pracę z Google Cloud Platform. Zespół rozwija nowoczesne rozwiązania z naciskiem na jakość, wydajność i współpracę między zespołami. 🗂️ Requirements: Minimum 3 lata doświadczenia z Python, Minimum 3 lata doświadczenia z React, Minimum 3 lata doświadczenia z Next.js, Znajomość TypeScript, Doświadczenie z REST API, Doświadczenie z relacyjnymi bazami danych, Znajomość Google Cloud Platform, Umiejętność pisania testów, Doświadczenie z Git, Umiejętność pracy z Figmą, Znajomość języka angielskiego 📃 Skills: Python, React, Next.js, TypeScript, REST, PostgreSQL, BigQuery, GCP, Git, Figma 🏢 Description: Szukamy Full Stack Developera do naszego zespołu, który rozwija aplikację webową dla branży digital marketingu. Budujemy rozwiązania wykorzystujące AI i algorytmy rekomendacyjne, rozwijając zarówno frontend oparty o React i Next.js, jak i backend tworzony w Pythonie. Całość działa w oparciu o PostgreSQL, BigQuery oraz Google Cloud Platform. Zakres zadań: rozwój i utrzymanie aplikacji webowej z wykorzystaniem Pythona, React i Next.js; tworzenie nowych funkcjonalności zarówno po stronie backendu, jak i frontendu; projektowanie i rozwój API oraz integracja aplikacji z zewnętrznymi usługami; implementacja interfejsów użytkownika na podstawie projektów przygotowanych w Figmie; tworzenie testów oraz dbanie o jakość, wydajność i niezawodność rozwijanych rozwiązań; współpraca z zespołem przy projektowaniu oraz wdrażaniu nowych funkcjonalności. Wymagania: min. 3 lata doświadczenia w pracy z Pythonem, React oraz Next.js; praktyczna znajomość TypeScript; doświadczenie w projektowaniu i rozwijaniu aplikacji komunikujących się poprzez REST API; doświadczenie w pracy z relacyjnymi bazami danych; praktyczna znajomość Google Cloud Platform; umiejętność pisania testów; doświadczenie w pracy z Git; umiejętność pracy z projektami przygotowanymi w Figmie; ownership mindset — bierzesz odpowiedzialność za swoje rozwiązania i potrafisz działać samodzielnie; dobrze odnajdujesz się we współpracy z różnymi zespołami oraz w środowisku wieloprojektowym, dynamicznie zmieniającym się; znasz angielski na poziomie pozwalającym na swobodną komunikację (w mowie i piśmie). Oferujemy: pracę w 100% zdalną; MacBooka służbowego oraz sprzęt potrzebny do komfortowej pracy; środowisko sprzyjające rozwojowi i zdobywaniu nowych umiejętności; kulturę pracy opartą na otwartości – możesz zadawać pytania, dzielić się pomysłami i mieć realny wpływ na rozwiązania; zespół zaangażowanych i kreatywnych osób, z którymi po prostu dobrze się pracuje; pakiet benefitów: prywatna opieka medyczna, karta sportowa, ubezpieczenie grupowe oraz platforma wellbeingowa.