Software engineer, generative AI (UK)

Stack

Responsibilities

• ▹Design and develop robust, secure, scalable generative AI services using Python and modern frameworks
• ▹Build and optimize high-performance, low-latency APIs and microservices integrating AI models and agentic workflows
• ▹Make system design decisions and own architecture of core platform components end-to-end
• ▹Implement responsive user interfaces using React and TypeScript
• ▹Communicate changes, plans, and proposals clearly to cross-functional teams
• ▹Partner with DevOps to build continuous deployment, logging, and monitoring systems

Requirements

• ▹3-5+ years of hands-on experience as a software engineer, strong Python focus, in production
• ▹Proven expertise building and deploying generative AI applications with LLMs and vector databases (Pinecone, Weaviate, pgvector)
• ▹Practical experience with microservices, RESTful APIs, cloud platforms (AWS, GCP, Azure), Docker and Kubernetes
• ▹Solid grasp of FastAPI, Asyncio, PostgreSQL, and AI developer tooling (Claude, Cursor, GitHub Copilot)
• ▹Exposure to enterprise architecture: IAM, SSO, SAML, OAuth, OIDC, RBAC, security best practices

Soft skills

What we offer

• ▹Generous PTO plus company holidays
• ▹Comprehensive medical and dental insurance
• ▹Paid parental leave for all parents (16 weeks)
• ▹Fertility and family planning support
• ▹Early-detection cancer testing (Galleri)
• ▹Competitive pension scheme with company contribution
• ▹Wellness and learning & development stipends
• ▹Company-wide and team off-sites
• ▹Competitive compensation and stock options

About the company

WRITER builds an enterprise AI platform used by companies like Mars, Marriott, Uber, and Vanguard to build and deploy AI agents grounded in their own data. Founded in 2020 and valued at $1.9B, the company is backed by leading investors, with hubs in San Francisco, New York City, Seattle, Austin, Chicago, and London.