https://jobs.co.uk/job/contract-senior-software-engineer-java-or-python-socode-limited--7447e029-97c2-43b1-b7ac-afd3648e2e4d RSS feed for Contract Senior Software Engineer (Java or Python) at SoCode Limited. en-gb Fri, 29 May 2026 15:28:38 GMT https://jobs.co.uk/job/contract-senior-software-engineer-java-or-python-socode-limited--7447e029-97c2-43b1-b7ac-afd3648e2e4d https://jobs.co.uk/job/contract-senior-software-engineer-java-or-python-socode-limited--7447e029-97c2-43b1-b7ac-afd3648e2e4d Fri, 08 May 2026 11:51:33 GMT Location: London | Salary: 650.00-650.00 Daily | Type: Contract | Contract Senior Software Engineer (Java or Python) Inside IR35Contract length: 6 months (with potential to extend)Location: LondonWorking Environment: On-siteYou will be joining a private equity firm as a senior software engineer, to work across the following responsibilities:Develop and support PandL, accounting, and returns-calculation applications across trading booksBuild and extend our Client Reporting FrameworkAdd instrument and asset class coverage in our Trade Repository systemManage data exchange with third-party vendors via SFTP and AWS S3Use AI coding assistants (Claude, Cursor, GitHub Copilot) to compress delivery timelines while maintaining full code ownership and quality accountabilityCollaborate with quant researchers and traders to translate complex financial requirements into auditable, production-grade codeProvide production support, working with Platform and SRE teams as needed Key Requirements: Technical:8+ years commercial experience in Python or Java across the full development lifecycle5+ years in financial services (buy-side strongly preferred)Solid relational database skills; MS SQL Server a strong plusSnowflake experience requiredFamiliarity with AWS (S3, ... Contract