About Borderless

We believe in a world where borders are no longer barriers. Since launching in 2023, we’ve helped 400+ UK businesses and thousands of individuals across healthcare, construction, finance, and more. Our digital platform streamlines the UK sponsorship process using automation and expert support.

Backed by Entrepreneur First and Backed.VC, we’re scaling fast — and engineering is core to our ability to deliver.

Role: Senior Software Engineer

We're hiring a Senior Software Engineer to help us evolve the Borderless platform. This is a hands-on role where you’ll be writing clean, scalable code while contributing to major rebuild efforts and long-term engineering projects.

You'll work closely with our Engineering Manager, Product, and the wider cross-functional team to improve platform performance, reliability, and design. This role is essential to unlocking team velocity and addressing key technical constraints as we scale.

Responsibilities

• Contribute to the rebuild and refinement of our core platform
• Write clean, scalable, well-documented code in TypeScript, React, and SQL
• Design and maintain complex data models for performance and extensibility
• Collaborate cross-functionally with Product, Ops, CS, and Engineering
• Identify and resolve platform bottlenecks, technical debt, and stability issues
• Contribute to architectural and data design decisions

Requirements

• You have strong experience building full-stack web applications in TypeScript and React
• You’ve worked with large-scale, complex relational databases and understand trade-offs around normalisation, query efficiency, and data design patterns
• You think deeply about the structure and performance of data (data access vs data query trade-offs)
• You’re a proactive problem-solver who enjoys collaborative work across multiple functions
• You’re excited by the opportunity to shape the foundation of a growing product and team
• You want to grow with the business — this is a high-impact role with scope to move into tech leadership as we scale

Tech Stack

• Typescript
• AWS
• React
• Node
• PostgreSQL

Interview Process

• 30-minute screening call with Talent
• 60-minute interview with Engineering Manager
• 60-minute technical interview (pair programming task)
• 90-minute Final onsite with Engineering Manager, CTO, and CEO

Borderless Benefits

Culture & Work Setup

• 3 days in-office (Mon/Tue/Thu), 2 days remote
• Monthly in-office lunches
• Monthly team socials
• Annual offsite (last one: Lisbon, this year: Majorca!)

Time Off & Flexibility

• 25 days holiday + 3 extra days between 25th Dec and 31st Jan
• 1-week per year work-from-anywhere policy

Growth & Development

• £500 annual L&D budget
• 6-month performance reviews and promotion cycles

Wellbeing & Equipment

• Laptop + peripherals
• Cycle To Work scheme
• Smart Pension
• Mental health support via Spill
• Gym in Shoreditch Exchange
• Onsite Barista