Full Stack Engineer (hybrid or remote)

Company: Harnham
Apply for the Full Stack Engineer (hybrid or remote)
Location: London
Job Description:

Senior Full stack Engineer £80,000 – £100,000 Hybrid – London (3x days per week)

This is a high-impact engineering role within a small, specialist team responsible for accelerating product development across a growing data organisation. You will work at the cutting edge of AI-enabled engineering, building prototypes, tools, and platform components that turn complex data into usable products at speed. If you enjoy autonomy, rapid delivery, and solving ambiguous problems, this role offers immediate visibility and meaningful technical ownership.

They are a data-focused organisation bringing together multiple specialist businesses, each with its own technology stack and domain expertise. Their central technical team is responsible for unifying systems, modernising legacy platforms, and building AI-enabled capabilities that can be leveraged across the group. Build internal AI agents and tools that improve productivity and unlock value from group data Modernise legacy systems using AI-assisted analysis and development approaches Contribute to shared data and entity platform development across the organisation Continuously improve code quality, leaving systems clearer and more maintainable

Strong commercial experience delivering software in fast-paced environments Hands-on development capability across Python, TypeScript, and SQL Comfortable working with modern AI tooling and agent-based development workflows Experience working with data systems, including schema design, data quality, or lineage Clear communication skills, including writing high-quality pull requests and presenting work Competitive base salary Flexible working options across London and remote environments Exposure to complex data systems and AI-driven engineering challenges Apply with your CV to find out more about this AI-Native Software Engineer opportunity….

Posted: July 2nd, 2026