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 TypeScript 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.
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Senior Software Engineer at Borderless
Break down global barriers as a Senior Software Engineer at this fast-growing London startup. Backed by Backed.VC and Entrepreneur First, this team is using AI and LLMs to automate the complex UK immigration process for over 600 businesses. If you have 4+ years of TypeScript experience and want to ship code 10+ times a day while solving real-world human problems, this high-impact role offers the perfect blend of technical challenge and mission-driven work. Join a culture that offers visa sponsorship, private health insurance, and annual offsites in places like Palma.
About this role
Role overview
About the company
Borderless
Software Development11-50 employees
We believe in a world where borders are no longer barriers, where anyone can move anywhere seamlessly and safely. That’s why we’re building a global immigration platform, empowering ambitious businesses and individuals across the world.
Since launching in 2023, we’ve helped hundreds of businesses and thousands of workers simplify the complexity of immigration. Combining technology and human expertise, our platform streamlines the UK sponsorship process, demystifying complex legacy processes saving customers time, money and headache.
What you'll do
What you will do
- Build and maintain the core immigration platform for candidates and businesses using TypeScript, React (NextJS), and Node.js.
- Design and implement complex data models in PostgreSQL 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.
Who you are
Who this is a fit for
- Has 4–7+ years of experience building scalable full-stack web applications with strong production proficiency in TypeScript, 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.
Why this role
Why this role is remarkable
- 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.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
How does this work?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If it’s a match and the company wants to meet you, they’ll make the intro. In the meantime, if you’d like, Jack will send you excellent alternatives.