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Senior Full Stack Developer (JavaReact)
  • Warsaw
Senior Full Stack Developer (JavaReact)
Warszawa, Warsaw, Masovian Voivodeship, Polska
Integral Solutions
29. 10. 2025
Informacje o stanowisku

Senior Full Stack Developer (Java+React)

Miejsce pracy: Warszawa

Technologies we use

Expected
  • Java
  • Spring Boot
  • React.js
  • JavaScript
  • JUnit
  • Jasmine
  • Mockito
  • Protractor
  • Selenium
  • Kubernetes
  • Cloud Foundry
  • Spring Cloud
Optional
  • Kotlin

About the project

We are looking for an exceptional Senior Software Developer with a passion for coding who is not afraid to seek new solutions.

We offer cooperation with a unique client who provides opportunities for development in many complex and global supply chain projects. You will join a new IT Hub, where you will encounter only new technologies and projects related to the creation of new functionalities.

Your responsibilities

  • Full-stack development of innovative applications with Java, Spring, React, and modern JS frameworks.
  • End-to-end ownership of the development lifecycle: design, architecture, coding, testing, deployment, and DevOps.
  • Build and maintain microservices architectures and reactive UIs.
  • Apply TDD/BDD practices with JUnit, Mockito, Jasmine, Selenium/Protractor.
  • Contribute to CI/CD pipelines and deployments on Kubernetes / Cloud Foundry.
  • Design and deliver cloud/hybrid solutions with high scalability and reliability.
  • Work in XP practices, including remote pair programming and continuous delivery.

Our requirements

  • 5+ years of commercial experience in Java and Spring (core and Boot/Cloud).
  • Strong background in Functional Programming, including effective use of Java Streams.
  • 4+ years of expertise in frontend development with React and other modern JavaScript frameworks/libraries, with focus on reactive UI design.
  • 2+ years applying TDD/BDD practices using JUnit, Jasmine, Mockito, Protractor, and Selenium.
  • Solid experience in microservices architecture, including service discovery and circuit breaker patterns.
  • Skilled in DevOps practices, CI/CD pipelines with Jenkins, and deploying applications in containerized environments (Kubernetes, Cloud Foundry).
  • Hands-on experience in cloud/hybrid solutions design, development, and deployment.
  • Strong problem-solving skills, self-starter mindset, and ability to prioritize in dynamic environments.
  • Flexible and adaptable, with experience evaluating diverse technology solutions.
  • Excellent written and spoken English communication skills.
Optional
  • Exposure to Kotlin development (advantage).

Division of working time

  • 70% Backend
  • 30% Frontend

This is how we organize our work

Team size

10

This is how we work
  • at the client's site
  • you develop several projects simultaneously
  • you can change the project
  • you have influence on the choice of tools and technologies
  • you have influence on the technological solutions applied
  • you focus on product development
  • agile
  • scrum
Team members
  • fullstack developer
  • automated test programmer
  • manual tester
  • product owner

This is how we work on a project

  • pair programming
  • TDD
  • Continuous Deployment
  • Continuous Integration
  • documentation
  • integration tests
  • test automation
  • unit tests

Development opportunities we offer

  • substantive support from technological leaders
  • technical knowledge exchange within the company
  • time for development of your ideas

Benefits

  • sharing the costs of sports activities
  • private medical care
  • integration events
  • christmas gifts
  • employee referral program

Recruitment stages

  • Recruitment Interview
  • Interview + Task assigment
  • Interview with Chief Product Oficer

If you’re passionate about building innovative applications, enjoy full-stack development, and love working in a collaborative and supportive team, we’d love to hear from you. Apply today and help us create impactful solutions!

Integral Solutions

Integral Solutions to firma ekspercka z ponad 20-letnim doświadczeniem w inżynierii danych. Nasza wiedza i kompetencje pozwalają nam być czołową firmą konsultingową w tej dziedzinie w Polsce. Stawiamy na innowacyjne podejście i zawsze koncentrujemy się na celach biznesowych naszych Klientów.

Oferujemy nowoczesne, kompleksowe rozwiązania IT dla biznesu, wspierając firmy w obszarach Data Governance, Data Engineering, Data Analytics, integracji danych oraz zarządzania wiedzą.

Nasz zespół tworzą wysoko wykwalifikowani specjaliści – eksperci w zakresie danych, usług chmurowych i rozwoju oprogramowania.

Wyrażam zgodę na przetwarzanie danych osobowych zawartych w CV oraz w powyższym formularzu dla potrzeb obecnego procesu rekrutacyjnego, prowadzonego przez Integral Solutions sp. z o.o. z siedzibą w Warszawie, ul. Księdza Skorupki 5, zgodnie z postanowieniami Rozporządzenia Parlamentu Europejskiego i Rady (UE) 2016/679 z dnia 27 kwietnia 2016 r. w sprawie ochrony osób fizycznych w związku z przetwarzaniem danych osobowych i w sprawie swobodnego przepływu takich danych oraz uchylenia dyrektywy 95/46/WE (‘Rozporządzenie 2016/679’). Oświadczam, że dane są kompletne, prawdziwe i nie naruszają praw osób trzecich.

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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