• Job Title: Senior Back End Developer (Python)

• Salary Range: £100,000 – £120,000 + Bonus

• Location: London | Hybrid (2–3 days office)

This Senior Back End Developer role will shape a brand-new data platform designed to support complex decision-making for major global organisations. This is a greenfield data-driven product and you will be joining at the start of a new engineering team being built.

You will have the autonomy to define architecture, tooling, and engineering standards from day one. The Senior Back End Developer (Python / Go) will play a critical role in turning early product ideas into a scalable, production-ready platform, combining start-up agility with the backing of a well-established business.

The Senior Back End Developer will… take ownership of backend engineering for a new API-first data intelligence platform.

Role Highlights

• Design and build scalable backend systems from a true greenfield starting point
• Define architecture, balancing rapid delivery with long-term scalability
• Develop API-first services for data-heavy, enterprise-grade applications
• Embed observability, metrics, and performance tracking from day one
• Collaborate within a small, high-autonomy team shaping a new product

You Will Need

• Extensive backend development experience within data-driven B2B environments
• Strong programming skills in Python or Go, with API design expertise
• Experience building and scaling cloud-based infrastructure (Docker, Kubernetes, CI/CD)
• Proven use of AI-assisted development tools in real-world workflows
• Ability to break down complex problems and deliver iterative solutions

Why You’ll Love It

• £100,000 – £115,000 base salary plus annual bonus
• True greenfield project with high ownership and influence
• Clear progression as the team and product scale
• Private healthcare, strong pension, and development budget

If you’re interested in this exciting Senior Backend Engineering role and have the right experience, please apply ASAP with a copy of your CV.