Longshot Systems
Senior Software Engineer (Platform)
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Senior Software Engineer (Platform)
Senior Software Engineer (Trading Platform) - Longshot Systems
About the Role
At Longshot Systems, we build advanced platforms for sports betting analytics and trading. We’re seeking a Senior Software Engineer to join our trading platform team—a pivotal role where you’ll shape the technical direction and implement solutions to drive product, performance, and stability goals.
You’ll own our mission-critical trading platform, which integrates with bookmakers and exchanges globally. Our systems process thousands of odds updates and trades per second with strict latency, correctness, and quality standards. Your work will include:
- Extending trading capability by integrating new venues
- Optimising core systems for performance and stability
- Enhancing scalability, safety, and speed of the platform
- Supporting historical data repositories and research initiatives
Our stack is built on Golang, with robust message buses and databases at the foundation. We value hard problem-solving, clear architecture, and high-quality code.
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Work Environment
A hybrid-location company based in London (Farringdon), with Thursdays in-office and flexible working hours (UK time: 10 AM – 6 PM, Mon–Fri). We empower autonomy and trust the team to achieve outcomes.
Interview Process
- Intro Call (30 mins) – Share your background and interests.
- 1st Technical Interview (30 mins) – Live code review and pair programming.
- 2nd Technical Interview (60 mins) – Deep dive into distributed systems challenges.
- Assessment Day (10:30 AM – 5 PM) –
- Take a systems programming exercise resembling real-world tasks.
- Meet the team, tour the office, plus a work-covered lunch.
Requirements
You’ll stand out if you have:
- A Bachelor’s or Master’s in a quantitative or technical field (e.g., Mathematics, Electrical Engineering, Physics, Computer Science) from a top-tier university.
- Deep expertise in distributed systems—referencing experience in finance, gaming, telecom, or ad-tech where throughput, correctness, and availability are paramount.
- Startup background: Proven ability to ship products rapidly in lean teams with high ownership.
- Production systems track record: 3+ years maintaining systems in a language like Go, C++, Rust, Java, or C#—with clean, idiomatic designs.
- Exceptional architecture skills: Strong ability to reason about trade-offs and define scalable, evolvable service boundaries.
- Cloud & DevOps familiarity: Competency in AWS, Linux, CI/CD pipelines, and observability. While our dedicated DevOps team drives complexity, you must handle core technical workflows.
- Fluent written/spoken English: Collaboration spans from low-level details to long-term strategy.
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Nice to have (but not required):
- Prior experience in trading, market making, or exchanges.
Benefits
You’ll enjoy a competitive package:
- Matching 10% pension contributions
- Private medical insurance
- Long-term illness insurance
- Gym membership subsidy
- Annual bonus scheme
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