GCS Recruitment
Python SDET- Trading platform- Contract
Python SDET- Trading platform- Contract at GCS Recruitment, based in London. This is a contract role.
- Pay
- Not given by the employer
- Hours and contract
- Contract · On site
- Location
- London
- Closing date
- Sector
- Software Developer
Reference 642864174201317072
About the role
Python SDET | Trading Platforms | Contract
Python SDET required for a leading financial markets organisation building and enhancing high-performance trading systems.
This role sits within a highly technical engineering team responsible for mission-critical trading platforms, market data services and distributed microservices. You'll play a key part in designing automated test frameworks, driving quality engineering practices and embedding automation throughout the CI/CD delivery lifecycle.
Essential Skills
- Strong Python development experience
- Commercial PyTest automation experience
- SDET / Software Engineer in Test background
- API and integration testing
- Microservices and distributed systems
- CI/CD pipeline automation
- Docker and Kubernetes
- SQL and data validation
- Linux environment
Highly Desirable
- Equities, FX, Fixed Income, Commodities or Crypto trading platforms
- Market data systems
- Kafka or messaging technologies
- Contract testing (Pact, PactFlow or similar)
- AWS, Azure or GCP
- Low latency or high-throughput systems
What You'll Be Doing
- Building robust Python automation frameworks using PyTest
- Designing integration, API and end-to-end test solutions
- Automating validation across trading workflows and market data feeds
- Working closely with developers, quants and platform engineers
- Driving test automation within modern CI/CD pipelines
- Improving system quality, reliability and release confidence
Experience Required
We're particularly interested in engineers who have worked on electronic trading platforms, market data systems, exchange connectivity, order management systems, pricing platforms or other real-time financial systems.
Python | PyTest | SDET | Trading | Market Data | APIs | Microservices | CI/CD | Docker | Kubernetes
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Reference: 642864174201317072 · Posted 4 days ago · Closes 3 Dec 2026 · Listed via GCS Recruitment
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