About the Role - Must live in the UK and this Job is not sponsored
We 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.
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 teams

Required Skills & Qualifications

• 3–5+ 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 environment

Preferred 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 credits

Job Type: Full-time
Pay: From £35,000.00 per year

Additional pay:

• Bonus scheme

Schedule:

• Monday to Friday

Experience:

• full stack: 4 years (required)

Work authorisation:

• United Kingdom (required)

Work Location: Remot

• 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 team