Contract Senior Software Engineer (Java or Python). Job in London LilyLifestyle Jobs

Company: United Cerebral Palsy of Georgia
Apply for the Contract Senior Software Engineer (Java or Python). Job in London LilyLifestyle Jobs
Location: London
Job Description:

Contract Senior Software Engineer (Java or Python) Inside IR35

Contract length: 6 months (with potential to extend) Location: London Working Environment: On-site

Responsibilities

  • Develop and support P&L, accounting, and returns‑calculation applications across trading books
  • Build and extend our Client Reporting Framework
  • Add instrument and asset class coverage in our Trade Repository system
  • Manage data exchange with third-party vendors via SFTP and AWS S3
  • Use AI coding assistants (Claude, Cursor, GitHub Copilot) to compress delivery timelines while maintaining full code ownership and quality accountability
  • Collaborate with quant researchers and traders to translate complex financial requirements into auditable, production‑grade code
  • Provide 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 lifecycle
  • 5+ years in financial services (buy-side strongly preferred)
  • Solid relational database skills; MS SQL Server a strong plus
  • Snowflake experience required
  • Familiarity with AWS (S3, Lambda, EC2, Glue or similar)
  • Proficiency with Git, CI/CD pipelines, and observability tooling (e.g. Datadog)

AI & Tooling

  • Proven, hands‑on experience shipping production code using AI coding assistants such as Claude, Cursor, or GitHub Copilot
  • Demonstrable examples where AI tooling reduced delivery time by 2x or more on a meaningful task
  • Strong prompt engineering skills and the ability to critically evaluate AI-generated code for correctness, security, and financial accuracy

Desirable, but no essential

  • Experience with Apache Airflow or similar workflow schedulers
  • REST or GraphQL API design experience
  • Knowledge of fixed income, FX, or derivatives products and associated P&L/risk methodologies

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Posted: June 3rd, 2026