Senior Full-Stack Software Engineer (£80k-£120k + Equity) at venture-backed aviation tech startup

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Senior Full-Stack Software Engineer Salary £80,000–£120,000 + Equity Company Description Venture-backed aviation tech startup building the operating system for global airline and airport operations. Job Description Join a lean, high-impact team of six engineers reimagining aviation infrastructure. You will own the full product lifecycle, building high-performance backend services in Rust and cross-platform frontends in Flutter. Your work directly solves the fragmentation in airport operations, replacing legacy spreadsheets with real-time visibility for major terminals like JFK. Location Remote, UK Why this role is remarkable

• Work directly with a CTO who brings deep expertise in Rust and Apache Arrow from InfluxData, ensuring a high-bar technical environment.
• Gain massive ownership in a 10-person startup currently piloting at JFK Terminal 7, with the potential to transform global travel infrastructure.
• Enjoy a remote-first culture that prioritizes builder autonomy over management overhead, combined with a significant equity stake in an early-stage venture.

What You Will Do

• Develop and scale mission-critical backend services using Rust, gRPC, and Postgres to handle complex aviation data models.
• Build and maintain intuitive user interfaces using Flutter/Dart that empower front-line agents and engineers across web, mobile, and desktop.
• Lead independent projects from concept to release, establishing the architectural patterns and CI/CD pipelines that will scale the company.

The ideal candidate

• 5+ years of backend engineering experience with a systems programming mindset and a passion for performance and memory safety.
• 2+ years of professional Rust development experience, or deep C/C++ expertise with a strong desire to transition into the Rust ecosystem.
• Proven track record of owning features end-to-end in early-stage environments, with proficiency in SQL, relational databases, and gRPC.

Who are Jack & Jill? 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. 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. 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.

We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.