Junior Fullstack Developer - Java & React (Lisbon/Porto)

🏢 Summary: Full Stack Developer role focused on building scalable backend services in Java and modern, responsive front-end applications in React.js. The position involves designing RESTful APIs, collaborating with cross-functional teams, and delivering clean, maintainable, high-quality code in a hybrid work model. 🗂️ Requirements: Commercial experience with Java, Experience with Spring Boot framework, Strong knowledge of React.js, Proficiency in modern JavaScript, Experience designing and consuming RESTful APIs, Experience with relational or non-relational databases, Experience with version-controlled collaborative development, Availability to work onsite in hybrid model (Cracow) 📃 Skills: Java, SpringBoot, React, JavaScript, REST, SQL, NoSQL, AWS, Azure, GCP, Docker, Kubernetes, CICD 🏢 Description: 𝗪𝗲 𝗔𝗿𝗲 𝗛𝗶𝗿𝗶𝗻𝗴: 𝗝𝗮𝘃𝗮 𝗮𝗻𝗱 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 We are currently seeking a skilled and motivated Full Stack Developer with strong expertise in Java and React.js to join our growing team. In this role, you will be responsible for designing and developing scalable backend services using Java, as well as building modern, responsive user interfaces using React.js. You will work closely with cross-functional teams to deliver high-quality, reliable solutions, while ensuring that your code is clean, maintainable, and efficient. 𝗞𝗲𝘆 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀: Developing robust backend applications using Java, ideally with Spring Boot Creating intuitive and high-performing front-end applications using React.js and modern JavaScript Designing and consuming RESTful application programming interfaces Collaborating with colleagues across engineering, product, and design teams Contributing to code reviews and continuous improvement practices 𝗪𝗲 𝗮𝗿𝗲 𝗹𝗼𝗼𝗸𝗶𝗻𝗴 𝗳𝗼𝗿 𝗰𝗮𝗻𝗱𝗶𝗱𝗮𝘁𝗲𝘀 𝘄𝗵𝗼 𝗵𝗮𝘃𝗲: Proven experience working with Java and related frameworks Strong knowledge of React.js and modern JavaScript standards Experience working with relational or non-relational databases A proactive approach to problem-solving and a strong attention to detail Excellent communication and teamwork skills It would be beneficial if you also have: Experience working with cloud platforms such as Amazon Web Services, Microsoft Azure, or Google Cloud Platform Exposure to continuous integration and continuous delivery pipelines Familiarity with containerisation technologies such as Docker and Kubernetes 📍 𝗟𝗼𝗰𝗮𝘁𝗶𝗼𝗻: Cracow, Poland (Hybrid – 3 days per week onsite) 💼 𝗘𝗺𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗧𝘆𝗽𝗲: B2B If you are passionate about building impactful technology and are looking to take the next step in your career, we would be delighted to hear from you. Please apply or get in touch directly for more information.

🏢 Summary: Hybrid Fullstack Developer role focused on building and maintaining scalable web applications using Java and React.js. The position involves designing backend services and RESTful APIs, developing modern frontend interfaces, and contributing to CI/CD and DevOps practices. Work includes testing, performance optimization, and collaboration on architecture and microservices. 🗂️ Requirements: Strong experience with Java and Spring Boot, Solid experience with React.js and state management, Experience designing and consuming RESTful APIs, Experience with microservices architecture, Proficiency in JavaScript, HTML5, CSS3, Experience with relational or NoSQL databases, Knowledge of unit and integration testing practices, Experience with CI/CD pipelines, Familiarity with Git and version control workflows, Ability to work with Agile/Scrum methodologies 📃 Skills: Java, Spring, SpringBoot, React, Redux, JavaScript, HTML5, CSS3, Webpack, Babel, ESLint, JUnit, Mockito, Jest, MySQL, PostgreSQL, NoSQL, Git, CI/CD, Docker, Kubernetes, AWS, Azure, GCP, Kafka, GraphQL, WebSocket 🏢 Description: We are looking for a highly skilled Fullstack Developer with expertise in Java and React.js to join our Kraków-based development team. You will design, develop, and maintain scalable, high-performance web applications, contributing to both backend services and rich frontend interfaces. This role follows a hybrid working model , with 2–3 days per week onsite in Kraków. Key Responsibilities Backend Development: Architect, implement, and maintain backend services using Java , Spring Boot , and related frameworks Frontend Development: Build responsive, modular, and maintainable React.js applications with a focus on component-driven design Design and implement RESTful APIs and microservices , ensuring high performance, security, and scalability Collaborate with cross-functional teams to define technical requirements , system architecture, and feature implementation Apply unit testing, integration testing, and end-to-end testing best practices (JUnit, Mockito, Jest, React Testing Library) Participate in code reviews , enforce coding standards, and promote best practices in clean code, SOLID principles, and design patterns Troubleshoot and optimize application performance and resolve production issues Manage CI/CD pipelines , automate deployments, and support DevOps practices Stay up-to-date with emerging technologies and frameworks to continuously improve application architecture Required Skills and Experience Strong experience with Java , Spring Boot , and related backend frameworks Solid experience with React.js , Redux , or state management libraries Proven experience in designing and consuming RESTful APIs and microservices architecture Proficient in JavaScript, HTML5, CSS3, and modern frontend tooling (Webpack, Babel, ESLint) Experience with relational databases (MySQL, PostgreSQL) and/or NoSQL databases Familiarity with Git , version control workflows, and Agile/Scrum methodologies Understanding of unit testing, integration testing, and test-driven development (TDD) Good problem-solving and communication skills in English Nice to Have Experience with TypeScript and advanced React patterns (Hooks, Context API, Suspense) Knowledge of Docker , Kubernetes , or cloud platforms (AWS, Azure, GCP) Experience with event-driven architectures , message queues , or Kafka Familiarity with GraphQL or WebSocket-based real-time applications

🏢 Summary: Development of Data Lake and DWH solutions with online and offline data pipelines, combining Java backend and React frontend for conversational analytics applications. The role involves building data loading processes, SQL optimization, and creating "chat with data" tools integrated with GCP and on-prem environments. Work includes DevSecOps practices, production support, and collaboration with AI and data teams. 🗂️ Requirements: React frontend development, Building web applications with chat elements, Java backend API development, Basic BigQuery and SQL knowledge, UI design for data presentation (tables, charts, drill-down, export), Experience with Git and code review, Writing unit, integration and e2e tests, Experience with CI/CD pipelines, Monitoring and logging in production, Working with API contracts and data formats 📃 Skills: Java, React, SQL, BigQuery, GCP, Python, Rust, Git, CI/CD, Docker, Kubernetes, Pub/Sub, CloudRun, DevSecOps, APIs, Monitoring, Logging, DataLake, DWH 🏢 Description: Dla naszego klienta szukamy Fullstack Developera Java & React. Opis stanowiska: budowanie rozwiązań klasy Data Lake i DWH - procesy zasilania zarówno on-line jak i off-line, projektowanie i realizowanie rozwiązań informatycznych w obszarze zasilania danych, analizowanie danych oraz przygotowanie modeli logicznych i fizycznych, strojenie zapytań SQL na bazach relacyjnych i hurtownianych w on-prem i na chmurze GCP tworzenie przepływów off-linowe i on-linowe zarówno w narzędziach on-prem jak i GCP, tworzenie rozwiązań ładowania danych w Python oraz Rust dla danych strukturalnych i niestrukturalnych, budowanie i rozwijanie narzędzi „chat with data”: od warstwy rozmowy, przez interpretację intencji, po generowanie zapytań i prezentację odpowiedzi tworzenie koncepcji rozwiązań i implementacje rozwiązań w oparciu o wymagania i potrzeby biznesu, usuwanie incydentów i branie udział w rozwiązywaniu problemów, wspieranie testów i wdrażanie zmian w zakresie procesów zasilania danych, pomaganie przy serwisowaniu wdrożonego oprogramowania, praca zgodnie z modelem DevSecOps. Wymagania: znajomość frontend’u: React doświadczenie w budowie aplikacji webowych z elementami konwersacyjnymi (chat): streaming odpowiedzi, historia rozmów, feedback użytkownika, prezentacja źródeł/uzasadnień doświadczenie w budowie backendu: Java – projektowanie i rozwój usług API podstawy pracy z BigQuery/SQL umiejętność projektowania ergonomicznego UI dla danych: tabele, wykresy, drill down, eksport wyników praktyka w pracy zespołowej: Git, code review, standardy jakości, dokumentacja, testy (unit/integration/e2e) doświadczenie w środowisku produkcyjnym: CI/CD, monitoring/logowanie, reagowanie na incydenty gotowość do współpracy z AI Engineer i zespołami data (kontrakty API, formaty danych, walidacje, ograniczenia kosztowe) Mile widziana znajomość: rozwiązań klasy semantic/metrics layer - semantic layer, caching, pre-aggregations, governance metryk narzędzia „conversational analytics” / wzorce produktowe dla „chat with data”: citations, „pokaż SQL”, tryby explore vs answer, scoring zaufani biblioteki UI i data-viz znajomość GCP: Cloud Run, Pub/Sub podstawy konteneryzacji i wdrożeń: Docker/Kubernetes doświadczenie w środowisku regulowanym (bankowość): audyt, zgodność, klasyfikacja danych, procesy bezpieczeństwa Oferujemy: umowa B2B miejsce realizacji zadań: min. jeden dzień w tygodniu w biurze (/Warszawa) ​ opcjonalnie pakiet medyczny, karta Multisport

🏢 Summary: Offer for a Fullstack Developer (Java & React) focused on building Data Lake and DWH solutions, including online and offline data processing and conversational "chat with data" applications. The role involves designing and developing APIs, data loading processes, and data-driven UIs, as well as optimizing SQL queries in on-prem and GCP environments. Work is carried out in a DevSecOps model with responsibility for testing, deployments, and production support. 🗂️ Requirements: React frontend development, Building web applications with conversational chat features, Java backend development, Designing and developing REST APIs, Basic knowledge of BigQuery and SQL, Designing data-oriented UI (tables, charts, drill-down, export), Using Git and participating in code review, Writing unit, integration and e2e tests, Experience with CI/CD pipelines, Monitoring and logging in production environments, Working with API contracts and data formats 📃 Skills: Java, React, SQL, BigQuery, GCP, Python, Rust, Git, CICD, Docker, Kubernetes, CloudRun, PubSub, DevSecOps, REST, APIs, Monitoring, Logging, Testing, DataLake, DWH, Streaming, Chat, DataViz, SemanticLayer, Caching, Preaggregations, Governance 🏢 Description: Dla naszego klienta szukamy Fullstack Developera Java & React. Opis stanowiska: budowanie rozwiązań klasy Data Lake i DWH - procesy zasilania zarówno on-line jak i off-line, projektowanie i realizowanie rozwiązań informatycznych w obszarze zasilania danych, analizowanie danych oraz przygotowanie modeli logicznych i fizycznych, strojenie zapytań SQL na bazach relacyjnych i hurtownianych w on-prem i na chmurze GCP tworzenie przepływów off-linowe i on-linowe zarówno w narzędziach on-prem jak i GCP, tworzenie rozwiązań ładowania danych w Python oraz Rust dla danych strukturalnych i niestrukturalnych, budowanie i rozwijanie narzędzi „chat with data”: od warstwy rozmowy, przez interpretację intencji, po generowanie zapytań i prezentację odpowiedzi tworzenie koncepcji rozwiązań i implementacje rozwiązań w oparciu o wymagania i potrzeby biznesu, usuwanie incydentów i branie udział w rozwiązywaniu problemów, wspieranie testów i wdrażanie zmian w zakresie procesów zasilania danych, pomaganie przy serwisowaniu wdrożonego oprogramowania, praca zgodnie z modelem DevSecOps. Wymagania: znajomość frontend’u: React doświadczenie w budowie aplikacji webowych z elementami konwersacyjnymi (chat): streaming odpowiedzi, historia rozmów, feedback użytkownika, prezentacja źródeł/uzasadnień doświadczenie w budowie backendu: Java – projektowanie i rozwój usług API podstawy pracy z BigQuery/SQL umiejętność projektowania ergonomicznego UI dla danych: tabele, wykresy, drill down, eksport wyników praktyka w pracy zespołowej: Git, code review, standardy jakości, dokumentacja, testy (unit/integration/e2e) doświadczenie w środowisku produkcyjnym: CI/CD, monitoring/logowanie, reagowanie na incydenty gotowość do współpracy z AI Engineer i zespołami data (kontrakty API, formaty danych, walidacje, ograniczenia kosztowe) Mile widziana znajomość: rozwiązań klasy semantic/metrics layer - semantic layer, caching, pre-aggregations, governance metryk narzędzia „conversational analytics” / wzorce produktowe dla „chat with data”: citations, „pokaż SQL”, tryby explore vs answer, scoring zaufani biblioteki UI i data-viz znajomość GCP: Cloud Run, Pub/Sub podstawy konteneryzacji i wdrożeń: Docker/Kubernetes doświadczenie w środowisku regulowanym (bankowość): audyt, zgodność, klasyfikacja danych, procesy bezpieczeństwa Oferujemy: umowa B2B miejsce realizacji zadań: min. jeden dzień w tygodniu w biurze (/Warszawa) ​ opcjonalnie pakiet medyczny, karta Multisport

🏢 Summary: Fullstack Developer role focused on building and enhancing dynamic web applications using .NET on the backend and React on the frontend. The position involves developing robust, high-performance solutions, integrating APIs, and resolving complex technical issues within a collaborative team environment. Strong emphasis is placed on delivering seamless end-to-end functionality. 🗂️ Requirements: 5+ years of fullstack development experience, .NET backend expertise, Strong React knowledge, Experience with WCF and REST APIs, Database management experience, Proficiency in HTML, JavaScript, CSS, Understanding of message queues, Fluent English communication 📃 Skills: .NET, C#, React, REST, WCF, SQL, HTML, JavaScript, CSS, Databases, MessageQueues, English 🏢 Description: Summary: The ideal candidate is expected to function as a Fullstack Developer, contributing both front-end and back-end functionalities with a strong focus on .NET and React technologies. The primary goal is to enhance the team's capabilities in developing seamless, robust applications. Main Responsibilities: Engage in full-stack development to create dynamic web applications. Implement the front-end components using React. Develop back-end services using .NET. Communicate effectively with team members and stakeholders in English. Investigate and resolve complex technical problems proactively. Collaborate with team members to enhance application performance and usability. Key Requirements: 5+ years of experience in fullstack development. Expertise in .NET for backend development. Strong understanding of React for frontend development. Fluent communication skills in English. Knowledge of Web APIs (WCF and REST APIs). Familiarity with database management. Competence in HTML, JavaScript, and CSS. Understanding of message queues. Nice to Have: Experience with cloud services or platforms. Familiarity with CI/CD practices. Exposure to Agile methodologies.

🏢 Summary: Fullstack Developer role focused on building and enhancing dynamic web applications using .NET on the backend and React on the frontend. The position involves developing robust services, implementing responsive UI components, and resolving complex technical issues. The goal is to strengthen the team’s capability to deliver high-performance, scalable applications. 🗂️ Requirements: 5+ years of fullstack development experience, .NET expertise for backend development, Strong React knowledge for frontend development, Experience with Web APIs (WCF, REST), Database management experience, Proficiency in HTML, JavaScript, CSS, Understanding of message queues 📃 Skills: .NET, React, WCF, REST, WebAPI, HTML, JavaScript, CSS, SQL, Databases, MessageQueues 🏢 Description: Summary: The ideal candidate is expected to function as a Fullstack Developer, contributing both front-end and back-end functionalities with a strong focus on .NET and React technologies. The primary goal is to enhance the team's capabilities in developing seamless, robust applications. Main Responsibilities: Engage in full-stack development to create dynamic web applications. Implement the front-end components using React. Develop back-end services using .NET. Communicate effectively with team members and stakeholders in English. Investigate and resolve complex technical problems proactively. Collaborate with team members to enhance application performance and usability. Key Requirements: 5+ years of experience in fullstack development. Expertise in .NET for backend development. Strong understanding of React for frontend development. Fluent communication skills in English. Knowledge of Web APIs (WCF and REST APIs). Familiarity with database management. Competence in HTML, JavaScript, and CSS. Understanding of message queues. Nice to Have: Experience with cloud services or platforms. Familiarity with CI/CD practices. Exposure to Agile methodologies.

🏢 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: 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: The offer is for a Java Fullstack Developer responsible for developing, maintaining, and optimizing enterprise applications using modern Java technologies. The role includes system integration, implementing new features, ensuring code quality, and collaborating on business requirements analysis. The position involves working with distributed systems, CI/CD pipelines, and containerized environments. 🗂️ Requirements: Very good knowledge of Java 17–21, Experience with Spring Boot 3.x, Experience with Kafka, Experience with REST API, Knowledge of Oracle databases, Knowledge of Redis, Practical knowledge of Git, Experience with CI/CD tools (Jenkins, GitLab CI, Maven), Knowledge of Docker, Knowledge of Kubernetes, Basic knowledge of SOAP, Basic knowledge of OWASP, Knowledge of JIRA, Knowledge of Confluence 📃 Skills: Java, SpringBoot, Kafka, REST, Oracle, Redis, Git, Jenkins, GitLabCI, Maven, Docker, Kubernetes, SOAP, OWASP, JIRA, Confluence, CICD 🏢 Description: Poszukujemy Java Fullstack Developera, który będzie odpowiedzialny za rozwój i utrzymanie systemów informatycznych oraz dostarczanie wysokiej jakości rozwiązań zgodnych z najlepszymi praktykami. Praca obejmuje projektowanie, rozwój oraz optymalizację aplikacji, a także współpracę z zespołem przy analizie potrzeb biznesowych i wdrażaniu nowych funkcjonalności. Zakres obowiązków rozwój i utrzymanie aplikacji projektowanie rozwiązań i analiza wymagań optymalizacja i refaktoryzacja kodu integracja systemów i wdrożenia tworzenie testów i dokumentacji wsparcie systemów oraz rozwój technologiczny Wymagania bardzo dobra znajomość Java (17–21) oraz Spring Boot 3.x doświadczenie w pracy z Kafka oraz REST API znajomość baz danych Oracle i Redis praktyczna znajomość Git doświadczenie z CI/CD (Jenkins, GitLab CI, Maven) znajomość Docker i Kubernetes znajomość Webpack będzie dodatkowym atutem podstawowa znajomość SOAP oraz OWASP znajomość narzędzi JIRA i Confluence

🏢 Summary: Fullstack Developer role focused on building scalable web applications using ASP.NET, C#, and React, with strong emphasis on API design, event-driven architecture, and cloud-native environments. The position involves end-to-end development, CI/CD practices, containerized deployments, and collaboration in agile teams. Ideal for engineers experienced in backend services, modern frontend ecosystems, and orchestration tools. 🗂️ Requirements: Strong experience with ASP.NET, Strong experience with C#, Experience building scalable backend services and APIs, Strong experience with React, Understanding of modern frontend architecture, Experience with API design, Experience with GitLab CI/CD, Experience with RabbitMQ, Experience with Docker, Experience with Kubernetes 📃 Skills: ASP.NET, C#, React, TanStack, Tailwind, Playwright, RabbitMQ, Docker, Kubernetes, GitLab, Linux, Unity, APIs, CI/CD 🏢 Description: Role Overview We are looking for a skilled Fullstack Developer with strong backend expertise in ASP.NET and C#, combined with modern frontend development using React. The role involves building scalable web applications, designing robust APIs, and contributing to cloud-native and event-driven architectures. The ideal candidate is comfortable working across the full stack, collaborates well in agile teams, and has an interest in modern tooling, orchestration, and frontend ecosystems. Core Responsibilities • Design, develop, and maintain scalable fullstack applications • Build and maintain backend services using ASP.NET and C# • Develop responsive and modern frontend applications using React • Design and integrate APIs and asynchronous communication flows • Collaborate with developers, designers, QA, and DevOps teams • Contribute to architecture discussions and technical decisions • Ensure code quality through testing, reviews, and CI/CD practices • Participate in deployment, monitoring, and troubleshooting activities Must-Have Skills Backend • Strong experience with ASP.NET • Strong experience with C# • Experience building scalable backend services and APIs Frontend • Strong experience with React • Good understanding of modern frontend architecture and component-based development Should-Have Skills • Experience with GitLab Pipelines / CI-CD • Experience with API design and best practices Frontend Libraries & Tooling • Experience with: o TanStack o Tailwind CSS o Playwright o AI agent development (Kiro, Claude, Cursor) Messaging & Async Communication • Experience with: o RabbitMQ o Event-driven and asynchronous communication patterns • Understanding of async workflows across frontend and backend systems Infrastructure & Orchestration • Experience with: o Docker o Kubernetes • Familiarity with containerized deployments and orchestration Nice-to-Have Skills • Interest or experience in Unity / game development • Strong Linux competence Preferred Qualifications • Experience working in agile development environments • Strong problem-solving and debugging skills • Understanding of scalable and maintainable software architecture • Good communication and collaboration skills • Passion for learning modern technologies and frameworks Tech Stack Summary Area Backend: ASP.NET, C# Frontend: React Frontend Libraries: TanStack, Tailwind, Playwright Messaging: RabbitMQ Infrastructure: Docker, Kubernetes CI/CD: GitLab Pipelines Additional: Linux, API Design, Unity