Founding Engineer at Flowstate
- Location
- London, United Kingdom
- Compensation
- Not Disclosed
Flowstate is a London-based workforce engineering platform backed by the a16z Scout Fund, replacing spreadsheets for how engineering organizations plan and measure work. As a Founding Engineer, you'll join a small team of ex-founders to build AI-driven applications and financial models that attribute costs in real-time.
This is a high-autonomy, full-stack role with no PMs, offering meaningful equity and the chance to shape a product from its earliest stages. If you thrive in the fast-paced chaos of building from scratch and want to work directly with customers using an unlimited AI tooling budget, this is your next career-defining move.
What's the next step?
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Role overview
As a Founding Engineer at Flowstate, you will build the platform replacing spreadsheets for engineering cost attribution. Working full-stack alongside ex-founders, you will ship features that solve complex problems for engineering leaders. You will own the entire lifecycle from customer discovery to production, building AI agents and financial models without product managers.
About Flowstate
Software · London, United Kingdom · Seed (VC-backed)
Flowstate is a London-based workforce engineering platform backed by the a16z Scout Fund, Ventures Together, Haatch, and Openseed. They are building a system of record that replaces spreadsheets for how engineering organizations plan, measure, and attribute the cost of human and AI work in real-time.
Backed by a16z Scout Fund, Ventures Together, Haatch, Openseed Fund I.
What you will do
- Lead the end-to-end development of product features, taking problems from initial customer conversations through to production-ready deployments across the full stack.
- Build and optimize complex data pipelines and integrations with HRIS, ATS, or project management platforms to attribute team costs to specific outcomes.
- Design and implement AI-driven workflows and interfaces that connect company systems, allowing organizations to control AI spending and automate time-consuming tasks.
Who this is a fit for
- Demonstrated experience as a founding engineer or ex-founder who thrives in ambiguity and has successfully shipped software from scratch in high-growth environments.
- Expert-level proficiency in TypeScript and React across the full stack, with experience handling gnarly problems in financial modeling, data storage, or integrations.
- Commercially minded communicator who can hold their own in customer conversations and translate user feedback into rapid product experimentation and execution.
Why this role is remarkable
- True founding-stage impact: Work directly with ex-founders in a high-autonomy environment where engineering sets the product direction without layers of management or approval cycles.
- Elite backing: Join a mission-critical startup supported by the a16z Scout Fund, Ventures Together, Haatch, and Openseed at the ground floor of a massive market shift.
- Modern AI stack: Influence a cutting-edge platform using LLMs in production, featuring an unlimited budget for Claude Code and tools like Next.js, BigQuery, and PyTorch.
How Jack & Jill work together
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Flowstate wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.