People Lead

Tessl is a fast-growing Series A startup based in London, founded by Guy Podjarny. We’ve raised over $100M from world-class investors including Index Ventures, Accel, GV, and Boldstart, and in 2025 we were ranked #2 in Sifted EU’s B2B SaaS Rising 100 and #20 in Sifted's AI 100.

At Tessl, we are building the context layer for AI coding agents, and a platform for AI-native software development. As an early member of the team, you’ll help shape how we build, scale and support a company operating at the edge of AI and software development.

THE ROLE

We’re hiring our first dedicated HR specialist: a hands-on People Lead who can own the operational foundations of the people function while also acting as a trusted partner to managers and leaders.

This is not a traditional HRBP role inside an established people team. It is broader, more hands-on and more foundational. You’ll own the core people operations that keep the company running smoothly, while also supporting managers on performance, compensation, employee relations and team effectiveness.

You’ll report to our General Counsel & Head of Operations and manage our Employee Experience team member. Over time, there may be scope to take on broader responsibility across talent, people strategy and organisational development as Tessl grows.

We’re looking for someone who is excited by the full range: from making sure payroll, benefits and HR systems are accurate, through to advising managers on sensitive people matters and helping us build a high-trust, high-performance culture.

WHAT YOU’LL DO

PEOPLE OPERATIONS & HR INFRASTRUCTURE

- Own the core employee lifecycle, including onboarding, offboarding, payroll coordination, benefits administration, right-to-work checks and employee records.

- Maintain accurate, reliable people data across systems including Deel, Ashby, Notion and Slack.

- Work closely with Finance and external vendors to ensure payroll, benefits and employee changes are processed correctly and ...