Qh4 Consulting
Senior Software Engineer - Python / AWS
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Senior Python Engineer – Investment Technology (AWS / DevOps)
London | Hybrid, 4 days in office | Permanent
Qh4 Consulting is recruiting on behalf of a leading global asset manager for a Senior Engineer to join its investment technology team in London, supporting the firm's investment business.
The team's platforms support the full investment process, from portfolio construction and trading through to analytics and operations, across equities, fixed income and alternatives. Its users include portfolio managers, quantitative researchers and analysts, as well as client-facing colleagues.
This is a hands-on role covering both core technology platforms and tools developed in partnership with the investment teams. It involves evolving the platform architecture, improving the robustness of its data pipelines and raising engineering standards, working closely with colleagues in other regions. The role reports to the Director of Investment Technology.
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Key responsibilities
- Designing and building Python services, APIs and microservices that support portfolio analytics, optimisation and data processing
- Writing, tuning and optimising complex SQL and high-volume ETL processes on PostgreSQL and SQL Server
- Delivering scalable, event-driven components using Kafka and asynchronous processing
- Developing cloud-native applications on AWS, including Lambda, ECS/EKS, S3, Step Functions and Aurora
- Owning CI/CD pipelines, automated testing and release processes so that deployments are consistent and dependable
- Partnering with portfolio managers and quantitative researchers to turn investment, risk and analytics requirements into production-ready solutions
- Championing everyday use of AI-assisted development across the team, and setting clear standards for reviewing AI-generated code
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Essential experience
- A background in financial services, ideally asset management, with 3+ years of hands-on software or data engineering experience
- Strong, hands-on Python development (3+ years), including APIs, data processing and service-oriented design
- Practical DevOps experience on AWS, including CI/CD, automated testing and containerised, cloud-native deployments
- 3+ years of SQL across PostgreSQL, SQL Server and/or Snowflake, including performance tuning and ETL
- A solid grasp of data engineering fundamentals: data modelling, pipeline design, error handling, validation and lineage
- Working knowledge of event-driven and distributed architectures, for example using Kafka
How to apply
Submit your CV via LinkedIn or email it to james@qh4consulting.com. All applications will be treated in confidence.
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