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# Senior Python Developer ETrading

- **Company:** Huxley Associates
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £150,000.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Multitier Architecture, Artificial Intelligence, Airflow, Algorithmic Trading, Batch Processing, Behavior-Driven Development, Data Structures, Django Web Framework, Python (Programming Language), PostgreSQL, Linux System Administration, Software Tools, Software Engineering, SQL Databases, Web Application Frameworks, Test-Driven Development (TDD), Flask (Web Framework), Claude Code, Snowflake, Fastapi, Event Driven Architecture, Build Management, Information Technology, Apache Kafka, Operational Systems, Video Streaming, OpenAI Codex, Data Pipelines
- **Published:** November 6, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-B6EE95C53554062175/

## About the Role

* Strong commercial experience with Python development.
 * Passion for writing clean, maintainable and testable code.
 * Solid understanding of Linux environments.
 * Experience with SQL and advanced database querying techniques.
 * Strong grasp of algorithms, data structures and software engineering fundamentals.
 * Computer Science degree or equivalent technical background.

Highly Desirable

 * Experience with Test-Driven Development (TDD), Behaviour-Driven Development (BDD) or similar testing methodologies.
 * Experience implementing AI-enabled software development lifecycles and practical use of modern engineering tools such as Claude Code, OpenAI Codex, or similar AI-assisted development platforms.

Preferred Experience

 * PostgreSQL and/or Snowflake.
 * Modern Python web frameworks including Django, Flask or FastAPI.
 * Event-driven architectures and streaming technologies such as Apache Kafka.
 * Data orchestration and pipeline platforms such as Apache Airflow.
 * Java development experience.
 * Financial technology experience, including market data, order management, algorithmic trading, exchange technology, financial systems integration, regulatory compliance or related domains.

## Description

As a Senior Python Engineer, you'll be responsible for designing, developing and enhancing the batch processing and operational systems that support one of the world's leading exchange operators.

You'll:

 * Design and build robust, highly reliable Python applications that underpin Client's Europe's trading operations.
 * Collaborate closely with Product, Business Development and Sales teams to create innovative new exchange services and features.
 * Champion software craftsmanship through clean architecture, maintainable code and rigorous testing practices.
 * Participate in research and development initiatives, evaluating and implementing emerging technologies that can drive competitive advantage.
 * Support critical production systems as part of a rotating support rota, responding to incidents and contributing to root cause analysis and continuous improvement initiatives.
 * Work alongside talented engineering teams across our global organisation, sharing knowledge and driving technical excellence.