IT & Software

Founding Engineer Python API LLM - Start-up

Client Server

London · Greater London · United Kingdom

Overview

Founding Engineer at a fast-growing AI startup building cloud-native Python/TypeScript applications to transform compliance in regulated sectors. You work directly with the founders to shape technical direction and engineering culture, owning architecture, backend services, and CI/CD on Azure. You will apply AI/LLM capabilities to real-world problems, with autonomy and broad impact across product decisions. The role blends hands-on coding with strategic influence in a collaborative, startup environment.

Pay / Benefits
  • salary up to 115k
  • equity
  • flexible hybrid work (London/Cambridge/Home)
  • expenses covered travel
  • career growth opportunities
Responsibilities
  • Own the design and development of scalable cloud-native applications
  • Lead the full software development lifecycle from architecture to deployment
  • Develop backend services and frontend components (Python, TypeScript, React)
  • Implement CI/CD pipelines and deployment on Azure
  • Collaborate with the founding team to set technical direction and engineering practices
  • Solve complex engineering challenges and influence product decisions
  • Build AI-enabled products using LLM technologies
  • Operate in a hands-on, autonomous role with broad impact on engineering culture
Key requirements
  • Strong Python experience
  • Experience with RESTful APIs (FastAPI)
  • TypeScript and React knowledge a plus
  • Experience with LLMs and agentic AI
  • Entrepreneurial spirit and hands-on mindset
  • Curiosity and fast learner in a startup environment
  • Comfort with unstructured environments and collaboration
  • Degree educated, 2.1 minimum, in Computer Science or related field
  • collaborative
  • strong communication
  • proactive
  • Python
  • FastAPI
  • TypeScript

Reference: WJ-747_30251025

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