Senior Java Developer

Quick Facts

• Role: Senior Java Developer (including 1 Tech Lead)

• Project: Integrations for bank deposits and withdrawals

• Duration: 6 months

• Work model: 100% remote (from Poland)

• Start: January 2027

• Contract: B2B

• Salary: 160–180 PLN net/hour

• Benefits: Private medical care, Life insurance, Sports card

Description

You will connect banks, including international banks, with an existing payments platform and back-office systems. The platform is already running in production—you will add new integrations, not build the platform from scratch. The project runs for 6 months with a January 2027 start.

Responsibilities

• Review the bank’s technical documentation

• Discuss technical details with the bank or integration provider

• Prepare the technical design for each integration

• Develop and test the integration

• Deploy to production and set up monitoring using existing company tools

• Hand over maintenance to an internal team, including documentation and knowledge transfer

Requirements

• Senior-level Java experience with microservices (at least 8 years)

• Experience connecting external systems using different communication methods

• Financial/banking industry experience (banking integrations, bank file formats, payment schemes)

• Ability to turn technical documentation into working solutions

• Experience testing and deploying backend services

• English: minimum B2

• Ability to join the project in January 2027 (required)

Benefits

• Private medical care

• Life insurance

• Sports card