First seen by Alion on Sep 29, 2026.
Ignite innovation in banking technology - lead the development of seismic credit workflow solutions!
Warsaw-based opportunity with hybrid work model.
As a Senior Java Developer / Technical Lead, you will be working for our client, a leader in the financial services industry dedicated to transforming credit processes for corporate clients. You will play a pivotal role in building and enhancing a critical application that supports decision-making across banking, leasing, and factoring services, leveraging modern microservices architecture to deliver innovative solutions with a significant impact on millions of financial transactions. Join us to push the boundaries of banking technology and accelerate your career growth.
Your main responsibilities:
- Lead the design and development of scalable, event-driven microservices within the CLP credit workflow application.
- Collaborate with cross-functional teams in an Agile environment to ensure the high-quality delivery of system features.
- Define, implement, and enforce standards for code quality, testing, and code reviews.
- Mentor and guide less experienced developers, fostering technical excellence within the team.
- Implement and optimize CI/CD pipelines using tools such as Git, Maven, Jenkins, and OpenShift.
- Develop and maintain integrations with external systems via REST APIs and asynchronous messaging with RabbitMQ.
- Leverage domain-driven design (DDD) principles and incorporate AI tools for SDLC efficiency.
- Ensure the system's architecture adheres to best practices in security, performance, and scalability.
You're ideal for this role if you have:
- Minimum of 5 years' experience in back-end development, especially in Java.
- Deep expertise in RESTful API design and implementation.
- Practical knowledge of distributed system architecture and microservices design.
- Hands-on experience with messaging systems, particularly RabbitMQ.
- Proficiency with DevOps tools: Git, Maven, Jenkins, and OpenShift.
- Strong analytical skills with the ability to solve complex technical problems.
- Experience working in Agile and CI/CD environments.
It is a strong plus if you have:
- Knowledge of Domain-Driven Design (DDD).
- Experience with AI tools integration into SDLC processes.
- Certifications in cloud or related technologies.
Language required for the role:
- Polish - good command
- English - communicative proficiency
Eligibility to work in Europe:
Only candidates with an existing legal right to work in the European Union will be considered for this role.
Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

