Overview
Job Title: Senior Software Engineer
Salary: £85,000 - £115,000 + Equity
Company Description: Fast-growing London fintech
Location: London, UK
Job Description
Join a high-performance engineering team as a founding-level hire building high-throughput financial infrastructure. You will architect scalable systems for real-time data streaming and trade execution, working directly with a veteran leadership team. This role offers significant technical ownership as you scale critical backend services to support a rapidly expanding user base in the UK market.
Why this role is remarkable
- Significant technical ownership over architecture and greenfield infrastructure projects for a high-volume platform.
- Backed by top-tier VCs and a record-breaking community funding round, ensuring strong market validation.
- Direct collaboration with an experienced founding team consisting of former tier-one banking and successful fintech scale-up leaders.
Responsibilities
- Design and maintain robust, scalable systems for critical financial services using a modern, multi-language stack.
- Build high-performance connectivity and event-driven architectures to handle thousands of concurrent traders and real-time data.
- Mentor other engineers and foster a high-standard engineering culture through pragmatic software development and feedback.
The ideal candidate
- At least six years of commercial experience building and maintaining high-volume, critical backend systems.
- Strong proficiency in languages such as Java, Python, or Go, with deep knowledge of distributed systems.
- Proven ability to work in a fast-paced startup environment and a commitment to on-call support for production reliability.
About 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.
Next steps
- Visit our website.
- Click 'Talk to Jack'.
- Talk to Jack so he can understand your experience and ambitions.
- Jack will make sure Jill (the AI agent working for the company) considers you for this role.
- If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
- If not, Jack will find you excellent alternatives. All for free.