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- Tasks: Own and enhance a real-time Python trading system, ensuring performance and reliability.
- Company: Dynamic trading tech firm focused on innovation and collaboration.
- Benefits: Competitive salary, performance bonuses, mostly remote work, and high ownership.
- Why this job: Make a real impact in the fast-paced world of trading technology.
- Qualifications: 5+ years Python experience with real-time systems and strong performance profiling skills.
- Other info: Join a lean team with direct influence on system design and growth.
The predicted salary is between 48000 - 72000 ÂŁ per year.
We’re hiring a Senior Software Engineer (Python) - Trading Systems to own and evolve a production options trading system. It runs during market hours, ingests real-time market data, and requires profiling-led performance engineering to keep p50/p99 latency, jitter, and reliability within tight bounds.
You’ll take meaningful ownership day-to-day, partnering closely with the founder and the engineering team to prioritise work, ship improvements quickly, and keep the system fast, reliable, and correct.
Who this is (and isn’t) for
This role is for engineers who have built and owned real-time, performance-critical systems. It is not suitable for candidates whose experience is mainly web product development (frontend-heavy or CRUD backends). We’re looking for proven experience with measuring and improving p99 latency/jitter and operating systems during time-critical windows.
Location: UK-based
Working style: Mostly remote, occasional in-person days for planning/coordination
Support: Availability during core market hours when needed
What You’ll Do
- Own and improve a production Python codebase that runs during market hours.
- Build and optimise real-time market data pipelines (throughput, p50/p99 latency, jitter).
- Do profiling-driven performance work across ingestion → compute → messaging → consumers.
- Improve reliability: freshness/staleness handling, safe degradation, back pressure, fault isolation.
- Strengthen “developer leverage”: replay/simulation tools, regression tests, and debugging tooling.
- Work with cloud infrastructure, deployment, monitoring, and incident response.
- Collaborate directly with the founder and engineering team on architecture and roadmap.
Essential Skills
- 5+ years professional Python experience; you’ve shipped and owned production systems.
- Built/owned a real-time / low-latency system (not batch ETL) with measurable performance goals.
- Strong understanding of async + multiprocessing trade offs and performance profiling.
- Comfortable owning an existing codebase: refactors, tests, architecture improvements.
- Experience with messaging / event-driven systems and strong API/schema discipline.
- Production ownership mindset: incidents, monitoring, and fast debugging when it matters.
- UK-based preferred and able to support core market hours when required.
Desirable Skills
- Interactive Brokers (TWS/IB Gateway) or similar brokerage/execution APIs.
- Experience with trading, market data, or execution systems.
- Experience designing safety constraints/guardrails in automated systems.
What We Offer
- Competitive salary (negotiable) + performance-related bonus.
- Mostly remote, with some in-office collaboration days for coordination and planning.
- Lean environment, direct impact on a live system.
- High ownership and influence over system design and roadmap.
Senior Software Engineer (Python) - Trading Systems in Glasgow employer: Beamost Ltd
Contact Detail:
Beamost Ltd Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Software Engineer (Python) - Trading Systems in Glasgow
✨Tip Number 1
Network like a pro! Reach out to folks in the trading systems space on LinkedIn or at meetups. A personal connection can make all the difference when it comes to landing that interview.
✨Tip Number 2
Show off your skills! If you’ve got a GitHub or portfolio showcasing your real-time systems work, make sure to highlight it. We love seeing what you can do beyond just a CV.
✨Tip Number 3
Prepare for technical chats! Brush up on your Python and performance profiling knowledge. We want to see how you tackle real-world problems, so be ready to discuss your past experiences in detail.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we’re always on the lookout for passionate engineers who can own and improve our systems.
We think you need these skills to ace Senior Software Engineer (Python) - Trading Systems in Glasgow
Some tips for your application 🫡
Show Off Your Experience: Make sure to highlight your 5+ years of Python experience and any real-time, performance-critical systems you've built. We want to see how you've owned production systems and tackled challenges like p99 latency and jitter.
Be Specific About Your Skills: When you describe your skills, focus on async programming, multiprocessing, and performance profiling. We’re looking for engineers who understand the nitty-gritty of low-latency systems, so don’t hold back!
Tailor Your Application: Don’t just send a generic application! Tailor your CV and cover letter to reflect how your experience aligns with our needs. Mention specific projects or achievements that relate to trading systems and performance engineering.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to see your application and get you into our hiring process. Plus, it shows you’re keen on joining our team!
How to prepare for a job interview at Beamost Ltd
✨Know Your Code Inside Out
Before the interview, make sure you’re familiar with your past projects, especially those involving real-time systems. Be ready to discuss specific challenges you faced, how you measured performance (like p99 latency), and the solutions you implemented. This will show your deep understanding of the technical requirements.
✨Brush Up on Performance Engineering
Since this role focuses heavily on performance, review key concepts around profiling, latency, and jitter. Prepare to explain how you've optimised systems in the past and be ready to discuss tools or techniques you used for performance measurement and improvement.
✨Demonstrate Ownership Mindset
This position requires a strong sense of ownership. Be prepared to share examples of how you’ve taken responsibility for production systems, handled incidents, and ensured reliability. Highlight your proactive approach to monitoring and debugging during critical times.
✨Familiarise Yourself with Trading Systems
If you have experience with trading or market data systems, make sure to highlight it. If not, do some research on how these systems operate and the common challenges they face. Showing that you understand the domain will set you apart from other candidates.
