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Member of Product Staff - Product Manager
TesslLondon OfficeSenior
Apply Tessl is a fast-growing Series A startup based in London, founded by Guy Podjarny, who previously founded Snyk. We’ve raised more than $100 million from world-class investors, including Index Ventures, Accel, GV and Boldstart. In 2025, Tessl ranked #2 in Sifted’s B2B SaaS Rising 100 and #20 in its AI 100.
We’re 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 and scale a company operating at the forefront of AI and software development.
About the role
We're looking for a Member of Product Staff — a senior, hands-on product manager who can own ambiguous, high-stakes problems end to end and help define how product is practised as the team grows.
This is a generalist role. The patterns for how developers work with AI agents are still forming, and you'll have a direct hand in shaping them across the product — from the CLI and core platform to the new bets we'll place as we expand. Much of the work is 0-to-1: you'll shape product direction amid genuine ambiguity, translate fast-moving model and research breakthroughs into experiences developers trust, and decide what's worth building when there's no settled playbook.
We also expect this person to be building a genuinely AI-native product practice: using the best available tools to think more clearly, move faster, and raise the quality of the work. We're not looking for someone who uses AI occasionally — we want someone actively developing how they work with it, and setting the standard for the team.
What you'll work on
Own product areas end to end. Take problems from early concept through discovery, definition, launch, and iteration — setting priorities for a cross-functional team and making the calls on what matters most.
Develop deep product sense for developer workflows. Spend real time with developers and engineering teams to understand how they think, where they struggle, and where AI creates the most leverage. Turn those observations into specific, well-reasoned product decisions.
Translate frontier capability into product. Partner closely with engineering and research to turn new model capabilities and agentic breakthroughs into reliable, high-value developer experiences.
Shape strategy, not just execute it. Bring a clear point of view to roadmap and direction. You'll be in the room for strategy conversations and expected to help shape outcomes, not just respond to decisions already made.
Lead through influence. Act as the connective tissue between engineering, design, research, GTM and leadership — and as a credible voice with customers. Keep a globally-minded, fast-moving team rowing in the same direction.
Maintain a high quality bar at speed. Ship quickly without losing rigour, and hold the line on quality and developer trust even when the product is changing fast.
Build an AI-native product process. Define which tools and workflows raise quality and pace, share what you learn, and help set how product gets done at Tessl.
What we're looking for
Experience: Roughly 6+ years in product management (or equivalent), with a track record of shipping real, technically demanding products end to end. Comfortable operating at a senior IC level with significant autonomy.
Product sense & judgment: Strong instincts for what to build and why, backed by good business judgment and the ability to reason clearly under ambiguity and incomplete information.
Technical fluency: A track record of building for technically sophisticated users — developers, engineers, or data professionals. You don't need to be an engineer, but you should be genuinely curious about how the systems you build for actually work, and able to partner with research and engineering at a technical level.
0-to-1 instinct: Comfortable shaping direction where there's no settled product, market, or process. You're drawn to ambiguity rather than unsettled by it.
Collaboration & communication: Excellent communicator who can align and influence engineers, designers, researchers and leaders who think differently to you. Confident enough to hold a point of view, flexible enough to run with the best idea wherever it comes from.
Domain experience (a plus): Developer tools, AI/ML applications, or productivity infrastructure. Exposure to CLI tooling, agentic workflows, or evaluation systems is a genuine advantage.
We don't have all the answers yet. This is a role where you'll help define new patterns, work at the edge of what's known, and shape how product is practised at a company still figuring things out in the best possible way. If that excites you, and you feel you'd be a strong fit even if you don't meet every criterion listed, we'd encourage you to apply.
Salary and benefits
Office: Our brand new 10,000 sq. ft office is in the AI hub of Kings Cross, London. We have generous catering and regular social events such as team lunches, drinks and more. We require all staff to be in our London HQ at least 3 days a week on our anchor days of Monday, Tuesday and Thursday.
Salary: We offer a competitive salary commensurate with experience and skills and employee share options, benchmarked against industry standards.
Benefits: 25 days holiday, health insurance, including dental and vision, which extends to partners and dependents, as well as a company-matched pension. We also provide a commuting stipend for those who live outside London, and a cycle to work scheme.
Application process
Screening call
Case study presentation (with the hiring panel)
Final round — cross-functional collaboration, leadership, and a hands-on PM workshop
Leadership Chat
We care deeply about the warm, inclusive environment we’re building at Tessl and we value diversity – we welcome applications from those typically underrepresented in tech. If you like the sound of this role but are not totally sure whether you’re the right person, do apply anyway!