Senior Java Developer NEW

Jit Team; Województwo pomorskie; Hybrid; PLN 180,000 - 300,000; Full time

Job summary

Jit Team in Poland is seeking a backend/full-stack developer with at least 5 years of experience to work on a fintech solution. The role focuses on Java-based backend services and APIs, end-to-end feature delivery, and occasional frontend work with Angular/React.

Hybrid work from Gdańsk, one day in the office per week. You will collaborate across microservices architecture, integrate with third-party services, and contribute to CI/CD pipelines.

Qualifications

• At least 5 years of experience in backend or full-stack development.
• Strong proficiency in Java.
• Experience with REST APIs, microservices, and HTTP integrations.
• Basic hands-on experience with frontend frameworks (Angular, React, or similar).
• Solid knowledge of databases (PostgreSQL, MongoDB, Redis).
• Understanding of CI/CD pipelines and deployment processes.
• Active usage of AI coding tools (required).
• Experience in fintech / financial domain (highly preferred).

Responsibilities

• Design, develop, and maintain robust backend services and APIs in Java
• Deliverend-to-end features (e.g. financial reports, cash statements, calculations)
• Work across the stack - including frontend layers (Angular or similar) when needed
• Integrate systems with frontend applications and third-party services
• Participate in code reviews and ensure high code quality standards
• Support CI/CD pipelines and production releases
• Actively use AI coding tools (agentic coding, Copilot, Cursor) in daily workflow

Skills

Java

REST APIs

Microservices

Frontend basics

Databases

CI/CD

AI coding tools

Fintech domain

Tools

PostgreSQL

MongoDB

Redis

Angular/React

AWS/Azure/GCP

Docker

Kubernetes

Job description

Work model: hybrid from Gdańsk (1 day per week from the office)

Why choose this offer?

Work in a fintech environment on complex financial instruments and calculations

End-to-end ownership – from backend logic to delivering complete features

Broad tech exposure: backend, microservices, and frontend layers (Angular/React)

Work culture focused on ownership, autonomy, and fast delivery

Project

You will work on a fintech solution focused on complex financial instruments and calculations. The team builds and maintains Java-based backend services and APIs supporting financial reporting, cash flow calculations, and monthly statements.

The role involves end-to-end feature delivery, including occasional work on frontend layers (Angular or similar), as well as integrations with third-party services. The project emphasizes accuracy, reliability, and the use of AI coding tools in daily development.

Responsibilites you'll have:

• Design, develop, and maintain robust backend services and APIs in Java
• Deliverend-to-end features (e.g. financial reports, cash statements, calculations)
• Work across the stack - includingfrontend layers (Angular or similar) when needed
• Integrate systems with frontend applications and third-party services
• Participate incode reviews and ensure high code quality standards
• SupportCI/CD pipelines and production releases
• Actively useAI coding tools (agentic coding, Copilot, Cursor) in daily workflow

Expected competences and knowledge:

• At least 5 years of experience in backend or full-stack development
• Strong proficiency inJava
• Experience withREST APIs, microservices, and HTTP integrations
• Basic hands-on experience withfrontend frameworks (Angular, React, or similar)
• Solid knowledge ofdatabases (PostgreSQL, MongoDB, Redis)
• Understanding ofCI/CD pipelines and deployment processes
• Active usage ofAI coding tools (required)
• Experience infintech / financial domain (highly preferred)

Nice to have:

• Experience with microservices architecture
• Familiarity withcloud platforms (AWS, Azure, GCP)
• Experience with containerization (Docker, Kubernetes)
• Experience withautomated testing

Technologies you'll work with

Java

Angular / React (basic functional usage)

Cloud platforms: AWS / Azure / GCP (nice-to-have)

Client – why choose this particular client from the Jit portfolio?

Our client is an international financial services organization operating in the capital markets domain, focused on processing and analyzing large volumes of transactional data. The company develops modern data platforms that support trading, operational efficiency, and regulatory reporting. It operates in a fast-paced, highly regulated environment with a strong emphasis on scalability, data quality, and advanced analytics.

About Jit Team

The Human Factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.