Job Title

Full Stack Web Engineer - Platform - Equity OnlyLab378 Southampton, England, United Kingdom Full Stack Web Engineer - Platform - Equity OnlyLab378 Southampton, England, United Kingdom Lab378 is at the forefront of AI-driven solutions, building scalable conversational experiences and multi-agent systems to transform how businesses engage with customers. Our core product for the real-estate sector uses a voice-enabled AI assistant (“Livia”) to guide property seekers through personalized, real-time home searches and onboarding journeys that drive adoption, satisfaction, and conversions. What will you be doing? Platform Management & Scaling -Own and evolve our web platform’s architecture, ensuring high availability, performance, and security as usage grows. Voice-First & Conversational Features -Integrate and optimize voice APIs (e.g., Google Speech, Twilio) for real-time, hands-free interactions with property seekers. Frontend Development (Vue.js / Nuxt.js) -Build, optimize, and refactor components and pages in Vue 3 and Nuxt.js—your expertise here will be critical to our product’s speed and user experience. Backend & API Development - Design, document, and maintain RESTful APIs in Python to power real-time conversational flows and data synchronization. AI & Prompt Engineering Collaboration -Work closely with AI specialists to integrate LLM-driven features (LangChain, custom prompts) into the platform, iterating quickly on UX and performance. Monitoring, Testing & CI/CD -Implement automated tests and continuous-integration pipelines; set up monitoring and alerting (GCP Stackdriver or equivalent) to maintain platform health. Documentation & Best Practices -Create clear runbooks, code samples, and technical docs to disseminate knowledge across the team and accelerate onboarding of new engineers. What are we looking for? Startup Mindset : Enthusiastic about early-stage companies, comfortable wearing many hats, and excited to help build from the ground up. Degree or Equivalentin Computer Science, Engineering, or related field (recent grads welcome). Expertise in Vue.js & Nuxt.js— you’ve shipped multiple Vue/Nuxt applications, understand SSR vs. SPA trade-offs, and can tune performance. Experience with Firebase (Auth, Firestore), GCP services (Cloud Functions, Pub/Sub, etc.), and SQL databases. Passion for Voice-First & AI-Driven Tech , with hands-on experience integrating voice APIs and LLMs a big plus. Curiosity & Builder’s Mindset— you move fast, break problems into modular components, and consistently seek to learn and improve. Nice-To-Haves Prior work withLangChain , vector databases, or other knowledge-retrieval systems. Experience containerizing applications withDockerand orchestrating them inKubernetes . Background inCI/CD tooling(e.g., GitHub Actions, Jenkins). Open-source contributions or personal projects showcasing your AI or platform work. Experience working with the US entities or organisations. Why Lab378? Real Impact : Build meaningful AI in a $70 billion real-estate market and directly shape how thousands of home seekers find their next place. Founders’ Expertise : Work closely with Gary Smith (ex-NetStore CEO, IPO veteran) and Joash Johnson (ex-Amazon lead on Clinic & Diagnostics) to learn best practices in product strategy and scale. Lean, Ambitious Team : Join a small, mission-driven group that values clarity, execution, and continuous learning. Growth & Learning : Rapid prototyping, frequent feedback loops, and mentorship from industry leaders in AI/ML and product engineering. Flexible Work : Hybrid or remote options, generous learning budgets, and support for conferences, courses, and certifications. Ready to help redefine home-search experiences with cutting-edge voice-first AI? Apply nowto join Lab378 as our nextFull Stack Web Engineer (Platform) ! 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