Tech Lead / Senior Full Stack Engineer

Contract

12 months, with possible extensions.

Rate

180–220 PLN net per hour + VAT.

Team Context

High-performing technology team within Wholesale Credit & Lending Technology.

Project Context

Part of a major 3–4 year PRA regulatory transformation programme, with a planned rollout across approximately 60 countries.

Summary

The Tech Lead / Senior Full Stack Engineer will build and implement AI-powered solutions and modernize core credit and lending technology platforms.

Main Responsibilities

• Provide technical leadership and guidance to the engineering team.
• Remain hands-on with Java full-stack development.
• Design and contribute to scalable, enterprise-grade solutions.
• Build or integrate AI-based capabilities into applications and platforms.
• Support architectural and technical decisions across the workstream.
• Conduct and oversee high-quality code reviews.
• Establish and promote modern engineering standards and development practices.
• Work closely with engineering managers, architects, and other technical stakeholders.
• Ensure solutions are pragmatic, maintainable, and scalable without unnecessary overengineering.
• Support the modernization and eventual decommissioning of legacy platforms, including GARM.
• Improve data quality, traceability, lineage, and governance across wholesale credit and lending models.
• Support adoption of golden-source architecture principles across multiple systems and markets.

Key Requirements

• Strong Java full-stack engineering experience.
• Previous experience as a Tech Lead, Lead Developer, or technical owner.
• Strong database knowledge, particularly PostgreSQL / Postgres.
• Hands-on experience developing AI-enabled applications, features, or solutions.
• Understanding of integrating AI/LLM capabilities into enterprise software.
• Strong software architecture and system design capabilities.
• Excellent code review skills.
• Progressive engineering mindset and knowledge of modern development practices.
• Ability to make pragmatic technical decisions in a fast-moving environment.
• Experience delivering scalable enterprise applications.

Nice to Have

• Quantexa experience.
• Claude / LLM ecosystem exposure.
• Basic DevOps knowledge.
• Experience in banking, lending, credit risk, or regulated environments.

Additional Information

Advanced DevOps knowledge is not required, as there is a dedicated DevOps function. Cloud experience is not required.