Senior Python Developer

• *Senior Python Developer | London | Hybrid | £500 - £540 per day**

We're working with a leading global workforce solutions provider as they support a mission-critical project for one of the UK's most prestigious financial institutions on this exciting opportunity.

This is a high-impact role building a cutting-edge Azure Databricks platform used for national economic forecasting and monetary analysis. You will be at the heart of Python-driven innovation, reverse-engineering complex codebases to deliver high-performance APIs and advanced data visualizations that influence real-world economic policy.

• *The Role
• Lead the full-stack development of applications and APIs interacting with a high-scale Azure Databricks environment.
• Architect and maintain robust back-end services using Python, Flask, and Django for critical data processing and monetary modelling.
• Reverse-engineer existing codebases to identify performance bottlenecks, implement new features, and ensure system stability.
• Collaborate with UI/UX designers to build seamless, data-rich front-end interfaces using React, Angular, or Vue.js.
• Drive the development of MVPs and integrate visualization tools to connect complex systems across the banking ecosystem.
• *What You'll Need
• Extensive Senior-level experience in Python development with expert knowledge of Pandas, NumPy, and automation libraries.
• Proven track record working within an Azure Databricks or Spark environment for large-scale data engineering and API integration.
• Strong full-stack capabilities with modern JavaScript frameworks (React/Angular/Vue) and SQL/NoSQL databases.
• Ability to perform complex reverse-engineering on legacy code to modernize and scale banking applications.
• Deep understanding of software engineering best practices, including TDD (PyTest/Unit testing) and CI/CD pipelines.
• *What's On Offer
• Competitive daily rate of £500 - £540 (Inside IR35 - Umbrella).
• Long-term 14-month contract providing excellent project stability and depth.
• Hybrid working model (3 days in Central London) offering a blend of collaboration and flexibility.
• The chance to work on high-profile public sector innovation using the latest cloud data stack.
• *Apply via Haystack today!