Senior Software Engineer at VC-backed immigration-tech startup

Job Title

Senior Software Engineer

Not Disclosed

Backed.

VC and Entrepreneur First-funded immigration‑tech startup simplifying global B2B visa sponsorship.

London, UK

Join a high‑growth London startup automating the UK’s broken immigration system. As a Senior Software Engineer, you will build full‑stack features using Type Script and React while integrating cutting‑edge AI and LLMs to streamline document processing. You’ll own features end‑to‑end in a fast‑paced environment, deploying over 10 times daily to support thousands of global workers.

• Work at the intersection of AI and social impact, building LLM‑driven tools like automatic document classifiers that remove real‑world barriers for thousands of individuals.
• Join a fast‑scaling team backed by top‑tier investors including Backed.
  
  VC and Entrepreneur First, already supporting over 600 businesses and 15,000 workers.
• High‑impact environment with a culture of rapid execution, deploying to production 10+ times per day and offering a direct path to tech leadership as the engineering team grows.

• Build and maintain the core immigration platform for candidates and businesses using Type Script, React (NextJS), and Node.js.
• Design and implement complex data models in Postgre
  
  SQL and manage asynchronous workloads using AWS services like Lambdas and SQS.
• Collaborate directly with the Engineering Director and Head of Product to identify bottlenecks and shape the architectural foundation of the product.

• Has 4–7+ years of experience building scalable full‑stack web applications with strong production proficiency in Type Script, React, and Node.js.
• Demonstrates a proactive problem‑solving mindset and is comfortable navigating the pace and ambiguity of an early‑stage startup environment.
• Thinks deeply about application structure and performance tradeoffs, with a genuine interest in how AI/LLMs are transforming software development.