Full Stack Developer

About the Role - Must live in the UK and this Job is not sponsoredWe are seeking a versatile and proactive Full Stack Developer to join our fast-moving, innovation-driven environment. You will play a key role in building scalable web applications and intelligent systems using Next.js, NestJS, FastAPI, and the OpenAI SDK. This is an opportunity to work in a small, agile team where your contributions have direct impact and visibility. Next.js is required Experience in startup environments, handling multiple roles, and building systems from the ground up is essential.Key Responsibilities Build responsive, high-performance front-end features using Next.js (React + TypeScript) Develop robust APIs using NestJS (Node.js) and FastAPI (Python) with both REST and GraphQL Integrate LLM-powered features with OpenAI SDK and related AI tools Model and query data efficiently using PostgreSQL Deploy and manage services in AWS and Azure, including serverless and containerized workloads Collaborate closely with product leads, designers, and other developers in a fast-paced team Contribute to system architecture decisions, code quality, and DevOps processes Be a self-starter and problem-solver capable of thriving in lean, cross-functional teamsRequired Skills & Qualifications 5+ years as a full-stack developer in fast-paced environments Experience working at or building in startups or small teams* Proficiency in TypeScript, JavaScript, and Python Strong knowledge of Next.js, React, HTML/CSS Back-end development with NestJS, Node.js, and FastAPI API integration using REST and GraphQL (Apollo, Hasura or similar) Experience with PostgreSQL, version control (Git), and containerization (Docker) Proven cloud deployment experience in AWS and/or Azure Familiarity with OpenAI SDK or similar LLM-based development Comfortable owning features end-to-end in an agile startup environmentPreferred Skills Terraform, CloudFormation, or Bicep for infrastructure automation Redis, background job queues (Celery, BullMQ, etc.) Knowledge of DevOps tools and CI/CD pipelines (e.g., GitHub Actions, CircleCI) Familiarity with GraphQL federation and schema stitching Experience with logging/monitoring tools: Datadog, CloudWatch, or Azure Monitor What We Offer Competitive salary with equity options for long-term contributors A chance to work on cutting-edge AI applications and cloud-native systems Full flexibility: remote-first, asynchronous culture Direct ownership and autonomy in building meaningful products Personal learning budget and support for certifications or cloud/AI creditsJob Type: Full-timePay: From £30,000.00 per yearExperience: Next.js: 3 years (required) full stack: 5 years (required)Work authorisation:* United Kingdom (required)Work Location: Remote