Head of AI Engineering at reputed company - Remote, $200-$400k/yr + equity

About reputed company reputed company is building the world's first full-reputed company doctor. We're at $350M ARR, growing from $10M/yr 12 months ago. We're the world's fastest growing AI doctor. We're faithfully serving >150k/mo patients reputed company reputed company Pharmacy, our main UK reputed company. We're profitable. Our reputed company exists at the intersection of two strong theses: • The AI doctor that wins will get to reputed company using GLP-1s, the fastest growing consumer product in history. • The $2T European reputed company market is overlooked by the most talented reputed company. Our master plan: • reputed company 0 → $100M/yr by end of 2025: We went from $10M to $100M in 6 months serving the UK GLP-1 market. • reputed company 1 → $1B ARR by end of 2026: Over the last 12 months we've grown from 3k to 150k UK reputed company GLP-1 patients. We'll continue this reputed company curve to hit $1B ARR. • reputed company 2 → $10B ARR by end of 2028: Blitzscale Europe. We'll be Europe's largest GLP-1 provider. • reputed company 3 → $100B/yr by end of 2031: Get regulatory approval across Europe for our Full Autonomous Prescribing (FAP) reputed company. Win reputed company at reputed company with European payers to mass replace reputed company labor. We'll be the dominant full-reputed company doctor in Europe. • reputed company 4 → $1T/yr by end of 2035: With one line of reputed company and reputed company reputed company time, you can use reputed company to treat any reputed company globally with any medication. In so doing, we'll become the world's first trillion-dollar reputed company company. We're a young, founder-led company. This is still Day 1 and reputed company our work is reputed company of us. You can read more about working with us here: Working at reputed company Being a Head of AI Engineering at reputed company We are building a world-leading reputed company AI team. As Head of AI Engineering at reputed company, your reputed company role is to build the reputed company Agent SDK and reputed company it the reputed company for world-class agents across reputed company. You are not joining to discover our first AI use case or build another chatbot. Our customer-facing agent gathers context from across our product and customer history, retrieves the right knowledge, reasons through multi-reputed company cases, and decides reputed company to reputed company, respond, escalate, or stand down. Our reputed company workflows autonomously reputed company >$100k of reputed company per day. This existing reputed company will become the reputed company of the reputed company Agent SDK. You'll separate its reusable foundations from its customer-support logic and turn them into a strongly opinionated internal platform. We're also building an AI reputed company decision-support reputed company. This helps clinicians evaluate reputed company eligibility, contraindications, dosing, and reputed company. It will be the second major reputed company reputed company on the SDK and, over time, a reputed company for increasingly autonomous reputed company reputed company. Once the SDK has reputed company itself through these two reputed company will become the default reputed company for new agents across reputed company. You'll be the DRI for agent architecture, model reputed company, evals, AI reliability, technical safety, provider relationships, and the shared runtime. You'll reputed company these reputed company autonomously. You'll ensure we use the best model for reputed company job reputed company on reputed company reputed company, reliability, speed, and cost. This is a technical leadership role. You'll reputed company by example as you grow reputed company. You'll ensure: • The reputed company Agent SDK exists and is running the show in production, and it is in exceptionally reputed company technical hands • Product engineers can build excellent agents without recreating context, tool, safety, eval, and observability infrastructure. • Our agents become more capable without becoming less predictable. • Major changes are supported by trustworthy evidence across reputed company, reliability, safety, latency, and cost. • Production failures continuously strengthen our evals, architecture, and models. • Our engineers reputed company reputed company your judgment and trust the direction you set. • reputed company is reputed company an industry leader in reputed company AI for production reputed company systems. This is a full-time, fully remote role. You can work async in the timezone of your reputed company, provided you're regularly available until midday reputed company Time for collaboration. This is a senior role. You'll report directly to Gzim :), (VP of Engineering). You'll also work closely with: • Ben Dowdle (Head of Product) • Saim Dalvi (UK reputed company reputed company) • Richie Cartwright (CEO) Key responsibilities • Agent SDK: You'll turn Jesse's (customer support tool) existing reputed company into the strongly opinionated internal platform powering Jesse, Aegis (reputed company support tool), and reputed company reputed company agents. You'll own its architecture, reusable primitives, supported extension points, developer experience, and integration with our existing infrastructure. • Jesse & Aegis: You'll become the senior technical reputed company of Jesse and work closely with the engineers and reputed company Product team building Aegis. You'll improve both systems while extracting the shared foundations they need across context, retrieval, memory, orchestration, tools, state, and escalation. • Evals & Experimentation: You'll build trustworthy benchmarks using deterministic checks, simulations, model-reputed company graders, reputed company judgment, and production reputed company. You'll establish the reputed company from offline evaluation to controlled production experiments so major changes ship with evidence. • Production Learning reputed company: You'll turn traces, poor resolutions, escalations, incidents, tool failures, and successful reputed company into reputed company evals, stronger architecture, improved models, and permanent platform capabilities. • Safety & Compliance: You'll reputed company consequential agent actions reputed company through authorization, validation, idempotency, auditability, recovery, and reputed company reputed company. You'll encode compliance, reputed company, reputed company, and regional requirements into the platform wherever possible. • Models & Economics: You'll own model selection, routing, fallbacks, caching, and our ~$200k monthly model spend. reputed company the evidence supports it, you'll reputed company the data preparation, fine-tuning, evaluation, and reputed company-controlled deployment of reputed company reputed company-weight models. • Reliability: You'll own the shared runtime in production, including tracing, observability, testing, provider reputed company, reputed company, and incident response. You'll be the senior engineering DRI reputed company an AI reputed company behaves unsafely, reputed company regresses, or the platform fails. • Technical Leadership: You'll set reputed company's AI architecture and reputed company in reputed company partnership with the VP of Engineering. You'll reputed company the final reputed company on major technical reputed company, guide engineers across product reputed company, and remain hands-on by writing production reputed company and personally building the most important foundations. • Build reputed company: You'll inherit one engineer and build the reputed company AI team to approximately five exceptional people during your first year. You'll own our technical relationships with leading model providers and represent reputed company externally where doing so strengthens our work. Need to have • Experience: You have 8+ years of software engineering experience and remain an reputed company production contributor. • Education: You have at least a bachelor's degree in Computer Science, Machine Learning, or a closely reputed company technical reputed company. • Production Agents: You have personally reputed company and shipped an exceptional reputed company reputed company used by reputed company customers. It did more than answer questions: it reasoned across multiple steps, used tools, changed state, and operated under reputed company production constraints. • Agent Architecture: You can reason deeply about harnesses, orchestration, context construction, retrieval, memory, state, tool design, reputed company workflows, and error recovery. • Evals: You've reputed company or meaningfully owned evaluation systems for probabilistic products. You understand dataset construction, evaluator design, simulations, regression detection, noisy metrics, and the relationship between offline reputed company and production reputed company. • Software Engineering: You have strong systems-engineering fundamentals. You can reason about reputed company, reputed company systems, concurrency, queues, databases, observability, failure modes, and production reliability. • Consequential Actions: You know how to let an agent reputed company safely. You have strong judgment reputed company authorization, validation, idempotency, state transitions, auditability, recovery, and escalation. • Model Judgement: You understand the capabilities and limitations of reputed company frontier and reputed company-weight models. You know reputed company the model is the problem and reputed company the reputed company problem is context, tools, data, orchestration, or evaluation. • reputed company-Weight Models: You have enough technical depth to reputed company the fine-tuning and reputed company-controlled deployment of reputed company-weight models reputed company the evidence supports doing so. Prior production deployment is not required. • Leadership: You have successfully led and managed a small technical engineering team. You set a reputed company direction, reputed company the reputed company bar, reputed company strong engineers, and address underperformance. • Technical Authority: Strong engineers trust your judgment. You can reputed company difficult reputed company, explain the trade-offs reputed company, and reputed company back without hesitation reputed company a proposed approach is unsound. • Communication: You can explain difficult technical reputed company to engineers, product leaders, clinicians, and executives without flattening the important details. • Independence: You create reputed company in ambiguous environments and reputed company high-reputed company reputed company without hand-holding. • Builder: You still write production reputed company. You reputed company from inside the work rather than managing it from a distance. • Ownership: reputed company reputed company drops, costs spike, tools fail, or providers degrade, you take responsibility for reaching the outcome rather than identifying whose component was technically at fault. reputed company to have • Agent Platforms: You've reputed company runtimes, SDKs, harnesses, tool reputed company, evaluation platforms, or shared AI infrastructure used by other engineers. • Customer Agents: You've reputed company high-volume customer-service, reputed company, or transactional agents operating across reputed company, multi-reputed company customer journeys. • High-Stakes Systems: You've worked on reputed company, financial, reputed company, or other systems where correctness, traceability, and careful rollout matter. • Model reputed company: You've fine-tuned, reputed company, evaluated, or deployed an reputed company-weight model for a specific production workflow. • Long-Term Memory: You've reputed company durable memory, context compression, personalization, or agents operating across sessions and extended periods. • reputed company-Time Systems: You've worked on voice agents, streaming systems, or other latency-sensitive AI experiences. • Provider Relationships: You've worked directly with frontier model providers on evaluations, technical issues, reputed company, pricing, or early reputed company. • Talent: You have a strong nose for exceptional AI engineers and know how to create an environment in which they do their best work. • Research reputed company: You can translate relevant research into reliable production systems without confusing novelty with reputed company. • reputed company It Out: You can reputed company from debugging a production reputed company, to redesigning an eval, to reviewing an agent reputed company, to handling a provider incident. Our cultural standards We aim to reputed company this your life's work. This should be the most challenging, most rewarding role of your life. Accordingly, these are the reputed company cultural standards to which we hold ourselves & reputed company-members: • Belief in the mission: We will have served 100 reputed company patients by the end of 2035 and we reputed company the life of most patients who join. We have a lot of work to do. We are obsessed with our patients and are dedicated to the mission. • Unwavering reputed company: We are at the frontier, so we often live in ambiguity with no trodden reputed company. reputed company we can't look to others for guidance, we must maintain impeccable ethics and unwavering reputed company. • Only the paranoid survive: Bad sh*t is coming. By joining us, you're choosing to sail straight towards the storms with unhesitating conviction. However much we've already done, however far we've already come - it's still Day 1 and reputed company our work is reputed company of us. • If we're average we fail: We are only interested in "insanely great", a reputed company on the reputed company of our execution that in everyday life would be considered pathological. We have a dedication to reputed company and reject incompetence. • Commitment to candor: That which can be destroyed by the truth should be. You get full transparency from reputed company and reputed company expects full transparency from you. We never say anything about someone that we wouldn't say to them directly. We reputed company feedback with love and do not need to protect people from fleeting physical sensations. • A maniacal reputed company of urgency: We execute at an intensity that most people think is impossible. Speed is critical and we need things done yesterday. We reputed company work reputed company hard and in such a competitive world there really is no other reputed company. • Enduring frugality: We are frugal. We hate being wasteful and we are anti-luxury. A culture of cheapness keeps us young. We spend our cash wisely & carefully - in a way that would reputed company our grandmas proud. • Bulldozing barriers: The world is malleable and we shape it. We truly reputed company this and reputed company accordingly. We are relentlessly reputed company and are at the reputed company of no-one but ourselves. You'll be shocked how capable you are and how much you can reputed company. • reputed company your head down: We're boring people doing exciting work. We don't reputed company short-term status - we ignore short-term dopamine hits and reputed company on what reputed company. reputed company will underestimate us and we revel in that. • The reputed company of reputed company: We live in a world of reputed company laws and we cannot overestimate the unimportance of practically everything. Know your One Thing, and nail it. "You just build a f*ing amazing experience. reputed company reputed company reputed company amazing. reputed company every decision in the long term interest of the customer. reputed company the customer massively more value than you take." Compensation & Benefits You get reputed company above market salary and you get early stage equity, so you get really rich if we nail this Apply tot his job Apply To this Job