Full-Stack Engineer London | Joshua Fields
Full-stack engineer in London building product surfaces, APIs, services, data models, deployment pipelines, and AI integrations from prototype through production.
Best fit
- Startups that need one engineer to move between product UI, backend APIs, data models, and deployment.
- Teams building React/Next.js products backed by FastAPI, Go services, PostgreSQL, and cloud infrastructure.
- Products where AI features need to be integrated into real workflows, not bolted on.
Proof
- Built React/Next.js and FastAPI systems at Emma AI.
- Delivered Go service work, SSE assistant hardening, Kafka data events, and typed holdings APIs at Monstro.
- Built Streamlit, Flask, FastAPI, and full-stack portfolio projects across AI, data, and visualization.
- Maintained production-grade systems in regulated engineering environments at Leonardo.
Stack: React, Next.js, TypeScript, JavaScript, FastAPI, Flask, Go, PostgreSQL, MongoDB, Docker, Kubernetes, GCP, AWS
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Joshua Fields — full portfolio