Senior ETF Platform Engineer (Python) – Hybrid London

Arm; City Of London; Hybrid; GBP 111,000 - 166,000; Full time

Job summary

Arm seeks an ETF Platform Developer (Python) in London, hybrid role. You will design, develop and support production-grade Python applications within a high-performing ETF technology team, collaborating with PMs, quants and investment tech staff.

Responsibilities include enhancing workflows for portfolio management and trading, improving scalability and observability, building APIs and CI/CD pipelines, and helping modernise front-office tooling.

Qualifications

• Strong commercial Python engineering experience.
• Experience with PostgreSQL and Snowflake.
• AWS cloud experience (ECS, EKS, Lambda, S3, RDS or similar).
• CI/CD, automated testing and best practices.
• Experience in asset management or financial services.
• Strong stakeholder engagement skills.

Responsibilities

• Design, develop and support production-grade Python applications.
• Enhance investment workflows for portfolio management, trading and risk.
• Improve platform scalability, resilience and support processes.
• Build and maintain APIs, integrations and automated delivery pipelines.
• Work closely with Portfolio Managers and Quantitative Analysts to deliver enhancements.
• Strengthen monitoring, observability, testing and production support capabilities.
• Contribute to architecture decisions and application modernisation initiatives.

Skills

Python engineering

PostgreSQL

Snowflake

AWS cloud

CI/CD

Testing best practices

Asset management

Stakeholder engagement

Job description

Arm seeks an ETF Platform Developer (Python) in London, hybrid role. You will design, develop and support production-grade Python applications within a high-performing ETF technology team, collaborating with PMs, quants and investment tech staff.

Responsibilities include enhancing workflows for portfolio management and trading, improving scalability and observability, building APIs and CI/CD pipelines, and helping modernise front-office tooling.