Senior Fullstack Java Engineer

Antal KRAKÓW 2026-09-24

5+ years hands-on experience as a Java fullstack engineer, well know the concept of micro-services and familiar with Spring/Boot
Proficiency with server side languages such as Java (nodeJs, Ruby, Golang would be a plus)
Experience in UI frameworks/technologies will be highly desirable (ie. JavaScript frameworks)
Familiarity with database technology such as MySQL, Oracle, PostgreSQL, MongoDB
Degree in engineering, information systems or related
Prior experience in financial services/investment banking will be highly valuable
A problem-solving attitude
Creating clean, high-quality and secure solution
Exposure to Agile methodologies
Fluent in English

Senior Java Fullstack Engineer

📍 Location: Kraków, hybrid work model – 2 days per week in the office, 3 days remote
🕒 Cooperation model: [Full-time / B2B]
📍 Project for our Client from the financial sector

Role Overview:

As a Software Engineer you will contribute to the development and support of mission-critical Foreign Exchange (FX) platforms serving institutional clients worldwide. You will work in a highly collaborative, global environment where technology plays a central role in delivering innovative financial market solutions.

Working within a modern microservices architecture, you will help deliver scalable, high-performance solutions while embracing DevOps and Agile practices.

Benefits:

Private medical care (Luxmed)

Multisport card

Collaborative team culture and modern tech stack

,[Design, develop, test, and maintain Java-based applications running on Linux platforms and integrated with SQL databases (Sybase, Oracle, and PostgreSQL), Contribute to the development of modern front-end applications using Angular, React, and JavaScript frameworks, Build and enhance microservices-based solutions, ensuring high availability, scalability, and performance of financial trading systems, Participate in the full software development lifecycle, from requirements analysis and design through implementation, testing, deployment, and production support, Apply Agile development methodologies and contribute to iterative, continuous delivery practices, Take ownership of services throughout their lifecycle, including monitoring, troubleshooting, and resolving production issues, Automate testing, deployment, and operational processes to improve system reliability and delivery efficiency, Ensure applications comply with internal cybersecurity standards and promptly remediate identified vulnerabilities, Support production systems as part of a shared operational responsibility model, including participation in daytime monitoring and occasional out-of-hours incident resolution] Requirements: Java, Fullstack, Spring, Boot, JavaScript, MySQL, Oracle, PostgreSQL, MongoDB, Financial Services, Problem-Solving, Node.js, Ruby, Golang, Investment Banking