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October 1, 2026

Back-End Developer / Technical Lead

Senior • Remote

2,080,000 - 2,288,000 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: Back-End Developer / Technical Lead

  • Work model: 100% remote

  • Project: CLP credit workflow application for corporate banking clients

Description

You will develop the back end of the CLP application supporting the credit workflow and decision-making for corporate banking products. The system uses a hybrid architecture: a monolith with areas gradually separated into microservices, with integrations via REST API and asynchronous messaging using RabbitMQ. You will act as a Technical Lead, supporting technical decisions and leading implementation of new Java functionality.

Responsibilities

  • Develop backend capabilities for the CLP workflow application

  • Work with Git, Maven, Jenkins, and OpenShift

  • Participate in architectural and technical change design

  • Lead technical decisions as a Technical Lead

  • Design and implement new features in Java

  • Develop and maintain REST services

  • Build and evolve asynchronous communication using RabbitMQ

  • Design event-driven solutions

  • Participate in further extraction of functionality from the monolith to microservices

  • Design and develop distributed architecture solutions

  • Collaborate with Oracle databases

  • Create and maintain integration contracts, including AsyncAPI

  • Develop and maintain CI/CD processes

Requirements

  • Minimum 5 years of backend development experience

  • Practical experience designing and developing distributed systems

  • Java at least intermediate level

  • Advanced REST API knowledge

  • Oracle at least intermediate level

  • Advanced RabbitMQ knowledge

  • Event-driven architecture and asynchronous communication experience

  • AsyncAPI knowledge

  • Comfortable working with Git, Maven, Jenkins

  • Practical experience with OpenShift

  • Practical experience building, maintaining, and developing CI/CD processes

  • Strong analytical skills and ability to solve complex technical problems

  • Experience as a technical leader / leading technical team

  • Experience defining and enforcing code quality standards

  • Practice with testing, code review, and developer best practices

  • Mentoring experience for less experienced developers

Benefits

  • Long-term cooperation

  • Technical trainings, certificates, and skills development

  • Competence Center mentoring community

  • Clear career path

  • Employee benefits package (Multisport, private medical care, life insurance)

  • Friendly work atmosphere, integration events, team-building meetings

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