Senior Fullstack Developer

1 day ago


Kraków, Czech Republic GFT Poland Full time
  • Minimum 5 years of working experience
  • Demonstratable experience in either Java 17+, JavaScript/TypeScript and/or Python (Candidate should be really good in 2 out of 3 above).
  • Experience in machine learning, NLP, AI, Data Science is an advantage.
  • Ability to teach and collaborate with junior engineers to design new systems and solutions.
  • Effective communication skills in written/oral English. o Prior experience with event streaming technology.

We're hiring for a role positioned at the intersection of technology and business—where we build innovative, forward-thinking tools that empower traders and trading platforms to operate with maximum efficiency and awareness. Leveraging AI and technologies like KDB+, this role offers a unique opportunity to shape solutions that are both technically robust and business-critical.

About the project:

The team develops an award-winning digital solution that leverages advanced natural language processing (NLP) to transform how institutional investors interact with global financial markets. The platform enables real-time access to market data, research, pricing, and execution insights, streamlining decision-making and enhancing user experience. The project emphasizes continuous delivery, cross-functional collaboration, and a strong focus on production quality and customer impact.

Why join GFT?

You will work with and learn from top IT experts. You will join a crew of experienced engineers: 60% of our employees are senior level.

You will work in a stable company (32 years on the market) in demanding and challenging projects for the biggest financial institutions in the world.

We offer you:

  • Working in a highly experienced and dedicated team
  • Competitive salary and extra benefit package that can be tailored to your personal needs (private medical coverage, sport & recreation package, lunch subsidy, life insurance, etc.)
  • Permanent contract after 3-months' probation period or B2B
  • On-line training and certifications fit for career path
  • Regular social events
  • Access to e-learning platform
  • Ergonomic and functional working space with 2 monitors
,[Work within a team of 4 – 6 people with a dedicated product owner. Most teams are in a single location, but it can be geographically dispersed, Take a business requirement, divide it up into stories and deliver each story iteratively to production., Product support is integral to the role – we have a saying, “the team builds it, the team supports it”., Identify areas of technical debt, ensure a healthy balance of tech debt and new functionality is prioritised and worked on, For new items you need to design the solution and ensure that it follows technology guidelines and constraints] Requirements: Java, Messaging, Multithreading, JavaScript, TypeScript, Python, Machine learning, NLP, AI Tools: . Additionally: Life insurance, Training budget, Private healthcare, International projects, Home office, Sport subscription, Lunch card, Free coffee, Free snacks, Free beverages, In-house trainings, Modern office.

  • Kraków, Lesser Poland, Czech Republic Crestt Full time

    Minimum 5 years of professional experience as a Fullstack .NET Engineer Strong expertise in Angular and .NET Core  Hands-on experience with Azure services  Solid understanding of software design patterns, testing, and clean code principles Fluent Polish and very good English (B2/C1) Ability and willingness to work in a hybrid setup from the Kraków...


  • Remote, Warszawa, Gdynia, Gdańsk, Kraków, Wrocław, Czech Republic AVENGA (Agencja Pracy, nr KRAZ: 8448) Full time

    Strong experience as a backend engineer using Kotlin or Java in production environmentsExperience with Python for backend services, data processing, or scripting tasksProfessional experience building web-based single page applications, using React/TypescriptHands-on experience with PostgreSQL or other relational databasesSolid understanding of software...


  • Kraków, Lesser Poland, Czech Republic Beekeeper AG Full time

    What we look for in you5+ Years of Software Engineering Experience: Demonstrated expertise in both backend and frontend development for modern, cloud-based applications.Fullstack proficiency: Strong skills in Java or Python. Hands-on experience with JavaScript/TypeScript and front-end frameworks (e.g., Vue.js or React). Enthusiasm to learn new technologies...


  • Kraków, Lesser Poland, Czech Republic beBeeSoftware Full time 40,000 - 50,000

    Senior Fullstack Software EngineerWe are seeking a skilled professional to design, implement and maintain end-to-end features across our front-end and back-end systems.The ideal candidate will have a strong background in software engineering, excellent communication skills, and a passion for mentoring and leading junior engineers.Key...


  • Kraków, Lesser Poland, Czech Republic beBeeDeveloper Full time 1,642,700 - 2,038,500

    Senior Fullstack DeveloperWe are seeking a highly skilled Senior Fullstack Developer to join our team of experienced engineers.Minimum 5 years of working experience in software development and demonstrable experience in at least two of the following programming languages: Java 17+, JavaScript/TypeScript, and Python.Experience with machine learning, NLP, AI,...


  • Remote, Kraków, Czech Republic ConSol* Consulting & Solutions Software Poland Sp. z o.o. Full time

    Must have: 5+ years of fullstack development experience with frontend emphasis Advanced: Nx, HTML5, Angular, (S)CSS, PrimeNG, Jest, Cypress Proficient: Node, Typescript, JavaScript, Bundlers, Storybook, RWD, A11Y Solid: Spring Boot, Java, JUnit, Github CI, GIT Strong understanding of fullstack architecture principles Experience with modern frontend tooling...


  • Kraków, Czech Republic Crestt Full time

    Minimum 5 years of professional experience as a Fullstack .NET Engineer  Strong expertise in Angular and .NET Core   Hands-on experience with Azure services   Solid understanding of software design patterns, testing, and clean code principles  Fluent Polish and very good English (B2/C1)  Ability and willingness to work in a hybrid setup from the...


  • Kraków, Czech Republic Beekeeper AG Full time

    What we look for in you 5+ Years of Software Engineering Experience: Demonstrated expertise in both backend and frontend development for modern, cloud-based applications. Fullstack proficiency: Strong skills in Java or Python. Hands-on experience with JavaScript/TypeScript and front-end frameworks (e.g., Vue.js or React). Enthusiasm to learn new...


  • Remote, Gdańsk, Wrocław, Warsaw, Kyiv, Kraków, Czech Republic RemoDevs Full time

    5+ years of Python 2+ years of experience with TypeScript on frontend Experience with React Async IO experience Knowledge of CI/CD, cloud (AWS/GCP/Azure), Linux, Docker, Kubernetes, APIs Startup experience About Us We build AI that takes drive-thru orders. Our system helps restaurants serve faster and with fewer mistakes. It can be adjusted for scripts,...


  • Remote, Gdańsk, Wrocław, Warsaw, Kyiv, Kraków, Czech Republic RemoDevs Full time

    Strong experience as a Senior Full Stack Developer or in a similar role.Skilled in both front-end and back-end tools, especially React and Python.Proven experience reviewing and improving code across different teams.Experience with cloud platforms (AWS preferred) and modern development tools.Knowledge of CI/CD pipelines, Git, and automated testing.Very good...