Senior IT Developer

Project overview

For our client in the banking industry, we're looking for an IT Developer to work on pricing engine modernization and cash flow processing solutions.

Key responsibilities

Required Skills:

• Design, build, and maintain components of the price engine, with a focus on migrating legacy application logic to modern, maintainable systems
• Design and implement cash flow and cash instruction generation logic
• Analyze existing legacy processes to identify migration paths and refactoring opportunities
• Apply AI-assisted tools (e.g. code assistants, LLM-based analysis) to accelerate development, migration, and testing
• Collaborate with business/product owners, QA, and infrastructure teams to ensure accurate, compliant pricing and settlement logic
• Write clear technical documentation
• Support testing, validation, and rollout of migrated components with minimal disruption to production
• Experience implementing cash booking flows within a financial institution.
• Experience constructing complete debit and credit booking instructions from a business event.
• Experience routing booking instructions to downstream booking and/or ledger systems.
• Java 8, Spring Boot, Microservices, Hibernate & SQL.

Nice to have

• Experience in banking/financial services
• Familiarity with pricing engines or trade/settlement systems
• Experience with mainframe or legacy platform migrations
• Experience building or customizing AI-assisted workflows/tooling for engineering teams

Project details

16 November 2026

Contract end: 15 February 2027

Helsinki (min. 3 days a week at the office)

Allocation: 100%

Please apply as soon as possible with your updated CV in English, that clearly demonstrates your skills and experience relevant to this role.

We offer continuously, which means that we sometimes remove the assignments before deadline. If you are interested we recommend that you apply immediately.

Please note, should your candidate be selected for the assignment, Ework will request documentation in accordance with the Act on the Contractor’s Obligations and Liability (Tilaajavastuulaki), as well as proof of valid liability insurance.

• Start: 2026-11-16
• Remote: hybrid
• Location: Helsinki, Finland, FI