# iO Associates: Lead Product Engineer Application for 36 Labs (Mason Simmonds) > **An interactive, high-signal proof-of-work application engineered for Mason Simmonds at iO Associates and the leadership at 36 Labs (https://36labs.ai/) — demonstrating why 20+ years of battle-tested engineering beats vibe coding when launching a self-serve AI product.** - Live Listing: [`/ioassociates`](https://listingslab.com/ioassociates) - Target Recruiter: **Mason Simmonds** (Lead Principal Delivery Consultant, iO Associates) - Client: **36 Labs** ([`https://36labs.ai/`](https://36labs.ai/)) - Client Background: Seed-stage AI company originating from the UCL Machine Learning lab (~10 people bootstrapped, entering next growth phase) - Target Role: **Hands-On Lead Product Engineer** (£90k–£135k, Hybrid London) - Independent Showcase: [`GPXRoute° (gpxroute.pro)`](https://gpxroute.pro) - Founder Partnership Showcase: [`Leida (askleida.com)`](https://askleida.com) - Candidate CV: [`/pdf/Chris_Dorward_CV.pdf`](https://listingslab.com/pdf/Chris_Dorward_CV.pdf) --- ## 1. Executive Summary 36 Labs is at a pivotal inflection point: turning advanced generative and evaluative AI models originating from the UCL Machine Learning lab into a customer-facing, self-service commercial product. This role requires someone sitting at the exact intersection of **product development, software engineering, UX design, and AI**: 1. **Hands-On Product Engineering, Not Traditional Management**: Building products end-to-end, owning technical decisions with commercial judgement. 2. **Built Independently Outside Employment**: Direct evidence of shipping a complex product from idea to production (**GPXRoute°** at [`gpxroute.pro`](https://gpxroute.pro)) — including creative media, interactive 3D WebGL canvas, and polished UI without a designer. 3. **20+ Years Battle-Tested Craft vs "Vibe Coding"**: Self-serve AI applications face hard engineering hurdles (streaming responses, long-running generation tasks, editing outputs, failure recovery, event telemetry). 20+ years of production experience means sidestepping bear traps and protecting capital. --- ## 2. 36 Labs Specification & Alignment Matrix | Category & Priority | 36 Labs Specification | What Chris Dorward Brings | Tangible Proof | | :--- | :--- | :--- | :--- | | **Independent Product Builder**
`Standout Trait` | Has built something independently outside employment. Shipped from idea to real customers; personal contribution to design and architecture. | Conceived, designed, built, and launched **GPXRoute** 100% independently outside employment. Built the entire WebGL 3D geospatial engine, complex GPS parsing, elevation flyovers, and polished UI without relying on a designer. | [GPXRoute° (gpxroute.pro)](https://gpxroute.pro) | | **Creative Tools / Media Interfaces**
`Bonus` | Creative tools / media interfaces. AI systems that generate, evaluate and improve creative content based on audience engagement data. | Extensive experience building interactive creative canvas tools, media controls, and spatial visualizers. Skilled in designing user journeys for editing outputs, parameter tuning, and real-time generation previews. | [GPXRoute° 3D Geospatial Engine](https://gpxroute.pro/sunday-starbucks) | | **Full-Stack Ownership**
`Essential` | Build and own the web interface, backend APIs and data model end-to-end. Turning underlying AI capabilities into a self-service product. | Zero-to-one architect for multiple SaaS launches. Comfortable owning relational data schemas, backend workers, APIs, and client micro-interactions. | [askleida.com](https://askleida.com) & [gpxroute.pro](https://gpxroute.pro) | | **TypeScript & React**
`Essential` | Strong software engineering fundamentals, component architecture, and high engineering standards. | 20+ years of software fundamentals. Deep daily practice in React 19, Next.js App Router, and strict TypeScript monorepos (`goldlabelapps/nx`). | [NX° Monorepo (nx.goldlabel.pro)](https://nx.goldlabel.pro/) | | **Python or Node.js Backend**
`Essential` | Python or Node.js backend services, APIs, and PostgreSQL. Close collaboration with the CTO, ML engineers, and backend engineers. | Fluency across asynchronous Python (FastAPI) and Node.js microservices. Production PostgreSQL schema modeling, migrations, connection pooling, and resilient APIs. | [Python APIs & Node monorepos](https://github.com/goldlabelapps/nx) | | **UI/UX & Design Engineering**
`Essential` | Create intuitive user journeys, layouts, interactions, and polished interfaces without relying entirely on a designer. | Natural design engineer. Every project shown (GPXRoute, AskLeida, ListingsLab) was designed and implemented directly in code without a third-party designer. | [gpxroute.pro](https://gpxroute.pro) | | **AI/LLM Experience & Streaming UX**
`Highly Desirable` | Interfaces for streaming responses, long-running generation tasks, editing outputs, and handling failures. | Author of `@goldlabelapps/agent-layer` on NPM. Hands-on experience with streaming conversational UI, structured JSON tool calling, async generation queues with polling and fallbacks. | [@goldlabelapps/agent-layer (NPM)](https://www.npmjs.com/package/@goldlabelapps/agent-layer) | | **Product Analytics & Experimentation**
`Strongly Preferred` | Event tracking, conversion funnels, session replays, feature flags (PostHog/Sentry), and onboarding experimentation. | Telemetry-driven product builder. Instrumenting PostHog and Sentry for event tracking, funnel analysis, session replays, and feature flags to optimize self-serve onboarding. | [askleida.com Telemetry](https://askleida.com) | --- ## 3. Product Showcases ### Showcase 1: GPXRoute° (Independent Product Built Outside Employment) - **URL**: [`https://gpxroute.pro/`](https://gpxroute.pro/) - **Live 3D Embed**: Interactive 3D route engine embedded directly in the listing. - **Why it matters for 36 Labs**: Directly answers the client's standout prompt: *"A candidate who has built something independently, even outside their employment, could be particularly interesting... show them gpxroute."* Also checks the bonus box for creative tools, canvas rendering, and media interfaces. ### Showcase 2: Leida (Founder Partnership Commercial SaaS) - **URL**: [`https://askleida.com/`](https://askleida.com/) - **Why it matters for 36 Labs**: Demonstrates taking a founder's concept and building it into a production SaaS product with PWA installation, zero server crashes, and direct founder collaboration. --- ## 4. Recruiter & Direct Contact Channels - **Recruiter**: Mason Simmonds (Lead Principal Delivery Consultant, iO Associates) - **Recruiter Post**: [LinkedIn Activity 7524083796946862080](https://www.linkedin.com/feed/update/urn:li:activity:7524083796946862080/) - **Candidate WhatsApp**: `+44 7745 763122` - **Candidate Email**: `goldlabel.apps@gmail.com`