3 of 3 Remote/Hybrid Node.js Jobs in Builth Wells

e.g., LangGraph, Langfuse). Design evaluation, monitoring, and observability to ensure reliability and readiness for production. Develop scalable, event-driven microservices and APIs using Node.js and TypeScript. Build modern, responsive React frontends to make AI useful in customer workflows. Architect cloud-native systems on AWS (Lambda, ECS/Fargate … Looking For Essential Experience Extensive software engineering background, building, deploying, and running production LLM/AI applications. Strong hands-on experience with Node.js, TypeScript, and production React. Experience with prompt engineering, agentic workflows, RAG, and LLM integration. Knowledge of AI evaluation frameworks, monitoring, and observability. Deep understanding of AWS, cloud ...

agent pipelines — including speech recognition, natural language understanding, dialogue management, and text-to-speech • Develop and maintain the frontend (React/Next.js) and backend (Node.js/Python) components of the platform • Integrate the voice agent with the portfolio company's existing systems (CRMs, telephony platforms, APIs) and their clients' infrastructure … TypeScript and modern JavaScript • Experience building production applications with React and Next.js (routing, SSR/SSG, API routes, data fetching) • Backend experience with Node.js and/or Python (REST APIs, authentication, third-party integrations) • Working knowledge of databases (PostgreSQL, MySQL, or MongoDB), including schema design and querying • Familiarity with testing ...

comfortable across frontend, backend, and the database layer. A polyglot mindset — you evolve with the tech. Familiarity with Ruby on Rails, TypeScript, Node.js, or React.js is a strong plus. Proven full-stack experience across frontend (React.js), backend, and database layers. Technical depth in at least one engineering domain: distributed systems … Strong communication skills and openness to collaborative idea-sharing across teams. Preferred Qualifications: Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, or React.js is a strong plus. Why Firstup? Because you care - about people, the work you do, and the connections you make. Work is such ...