Senior Software Engineer at Borderless

✨ The Stack take on this Borderless job

• 🏢 Borderless has 3 jobs here, 1 with visa sponsorship see all
• 🛂 Skilled Worker visa. Standard minimum salary: £41,700 a year guide
• 💡 No salary shown. Ask Borderless if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

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About the role

🚀 ABOUT BORDERLESS At Borderless, we’re building a world where borders are no longer barriers - where anyone can move anywhere, seamlessly and safely. Founded in 2023, we’ve already helped 600+ UK businesses and 15,000+ individuals navigate the complexity of immigration. Powered by technology, and supported by an expert team, our platform removes the friction of Home Office compliance, visa processing and sponsor licence applications, making immigration faster, simpler and more accessible for everyone. Backed by Entrepreneur First and Backed.VC [http://Backed.VC], we’re scaling fast and in 2026 expanding into new sectors and markets to further accelerate our growth. Also, around 25% of our workforce is sponsored, and we proudly offer visa sponsorship as part of our hiring process. 🎯 ROLE: SENIOR SOFTWARE ENGINEER We're hiring a Senior Software Engineer to help us build the Borderless platform. This is a hands-on role where you’ll be writing clean, scalable code while building our core immigration product. You'll work closely with our Engineering Director, Head of Product, and the wider cross-functional team to understand the needs of our customers and solve their problems. We deploy our platform > 10 times per day, and rapidly review and iterate on feedback. This role requires working in the office 3 days per week. If this is not possible for you, please do not apply. 🛠️ WHAT YOU’LL DO * Build our core immigration platform for candidates, businesses, and our own internal teams * Write clean, scalable, well-documented code in TypeScript, React, and SQL * Design and maintain complex data models for performance and extensibility * Collaborate cross-functionally across the whole company: Product, Ops, CS, Sales, and Engineering * Identify and resolve platform bottlenecks, technical debt, and stability issues * Contribute to architectural and data design decisions 📈 WHAT WE’VE DONE RECENTLY * Built an automatic document classifier (using a combination of AI and LLMs) – customers can bulk upload any visa-related document (e.g. payslips, passports), and we’ll securely store, categorise, assign, and extract the documents to their workforce * Introduced a queuing platform (SQS) for various parts of the application, to control asynchronous workloads * Run an LLM-driven security audit on our existing codebase ahead of our next pen test ✅ YOU SHOULD APPLY IF * You’re a proactive problem-solver who enjoys collaborative work across multiple functions * You have strong experience building full-stack web applications * You think deeply about the structure and performance of web applications, and when to apply tradeoffs * You’re excited by the opportunity to shape the foundation of a growing product, team, and company * You want to grow with the business — this is a high-impact role with scope to move into tech leadership as we scale * You’re excited about the way AI and LLMs are changing how software is written 💻 TECH STACK We’ve listed our current tech stack below but please do not be put off from applying if you haven’t worked with every single technology! * Typescript / Node * React (NextJS) * PostgreSQL * AWS (Lambdas, CDK) 🧪 INTERVIEW PROCESS 1. 30m screening call with Talent 2. 1h interview with Director of Engineering 3. 1h technical interview with one of the team (pair programming task, no take home) 4. 2h Final onsite with [Engineering Director, CTO, and Product Lead] 💯 BENEFITS 🏢 3 days in office, 2 days remote 🌮 Monthly company in-office lunches 🕺 Monthly company team events ✈ Annual offsite (our last one was in Palma!) 👩‍⚕️ Comprehensive private medical insurance. Holidays & Remote Work ✈ 25 days holiday each year + 3 days between 25th December and 31st January, plus bank holidays 💻 1-week work-from-anywhere policy Growth & Development 📚 £500 annual Learning & Development budget 📈 6-month performance reviews and promotion opportunities Equipment & Other Perks 🖥️ Laptop and peripherals — whatever you need to work effectively 🚲 Cycle to Work scheme 💰 Employer pension contributions via Smart Pension 💬 Access to Spill (mental health support) 👟 Gym in Shoreditch Exchange ☕️ Onsite barista

Responsibilities

The Senior Software Engineer will be responsible for writing clean, scalable code to build the core immigration product, collaborating closely with product and engineering leadership. Key tasks include designing and maintaining complex data models, resolving platform bottlenecks, and contributing to architectural decisions.

Requirements

Candidates should possess strong experience building full-stack web applications and demonstrate deep consideration for application structure and performance, including understanding tradeoffs. Proactive problem-solving skills and excitement for shaping a growing product and company foundation are essential.

Key skills

• TypeScript — in 467 other listings on The Stack
• React — in 277 other listings on The Stack
• SQL — in 545 other listings on The Stack
• Node — not in any other listing on The Stack
• NextJS — in 25 other listings on The Stack
• PostgreSQL — in 296 other listings on The Stack
• AWS — in 802 other listings on The Stack
• Lambdas — in 2 other listings on The Stack
• CDK
• AI
• LLMs
• Data Modeling
• System Design
• Problem-Solving
• Full-Stack Development
• Scalability

On The Stack (as of 2026-11-05)

• Borderless has 2 other listings on The Stack, 1 of them marked as offering visa sponsorship.
• 214 visa-sponsored jobs in the United Kingdom on The Stack, posted in the last 60 days.
• 195 visa-sponsored software engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about Borderless

Is this Senior Software Engineer role still open?

It was posted on 2026-03-11. Listings more than 30 days old may no longer be active, so check Borderless's site before applying.

Where is this role located?

The listing gives the location as London, GB, United Kingdom. It is marked remote.

What skills does this role ask for?

The listing names: TypeScript, React, SQL, Node, NextJS, PostgreSQL, AWS, Lambdas, CDK, AI, LLMs, Data Modeling, System Design, Problem-Solving, Full-Stack Development, Scalability.