Senior Python Engineer – AWS & Data Pipelines (London)

Qh4 Consulting; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Qh4 Consulting is recruiting for a Senior Python Engineer in London to join its investment technology team. You will design Python services, APIs and data pipelines supporting portfolio analytics and trading workflows.

The role focuses on cloud-native AWS development, CI/CD ownership, and close collaboration with portfolio managers and researchers. Hybrid work with 4 days in office, permanent employment, adaptable to growth in a global asset manager.

Qualifications

• 3+ years of hands‑on software or data engineering experience in financial services, ideally asset management.
• Strong Python development experience (3+ years) including APIs and data processing.
• Experience with cloud native AWS DevOps, CI/CD, testing and containerised deployments.
• Solid data engineering fundamentals: data modelling, pipelines, error handling, validation and lineage.
• Experience with event‑driven architectures and Kafka.
• Proficiency in SQL across PostgreSQL, SQL Server and Snowflake, with performance tuning and ETL.

Responsibilities

• Designing and building Python services, APIs and microservices for portfolio analytics and data processing.
• Writing, tuning and optimising complex SQL and ETL on PostgreSQL and SQL Server.
• Delivering scalable, event‑driven components using Kafka and asynchronous processing.
• Developing cloud‑native applications on AWS (Lambda, ECS/EKS, S3, Step Functions, Aurora).
• Owning CI/CD pipelines, automated testing and release processes for reliable deployments.
• Partnering with portfolio managers and quantitative researchers to translate requirements into production solutions.
• Championing AI‑assisted development and setting standards for reviewing AI‑generated code.

Skills

Python

AWS

DevOps

SQL

Kafka

ETL

Data engineering

Tools

PostgreSQL

SQL Server

Snowflake

Kafka

AWS

Lambda

ECS/EKS

S3

Step Functions

Job description

Qh4 Consulting is recruiting for a Senior Python Engineer in London to join its investment technology team. You will design Python services, APIs and data pipelines supporting portfolio analytics and trading workflows.

The role focuses on cloud-native AWS development, CI/CD ownership, and close collaboration with portfolio managers and researchers. Hybrid work with 4 days in office, permanent employment, adaptable to growth in a global asset manager.