At a Glance
- Tasks: Design and optimise low latency trading systems with cutting-edge technology.
- Company: Leading global investment firm at the forefront of systematic strategies.
- Benefits: Competitive salary, dynamic work environment, and opportunities for professional growth.
- Other info: Collaborative culture with a focus on innovation and career advancement.
- Why this job: Join a team that shapes the future of trading technology and makes a real impact.
- Qualifications: Expertise in C++ and experience in low latency systems required.
The predicted salary is between 60000 - 80000 £ per year.
Our client is a leading global investment firm with a strong focus on systematic strategies, operating at scale across multiple markets. Their technology function sits at the core of the business, partnering closely with researchers and portfolio managers to deliver cutting-edge trading infrastructure. As they continue to invest heavily in their platform, they are looking to bring in highly skilled C++ engineers to join their systematic technology group.
This team is focused on building next-generation low latency, high availability research and trading systems, supporting both live trading and strategy development.
Key Responsibilities- Design & Development: Architect, build, and optimise low latency trading components and supporting infrastructure, with a strong emphasis on performance, reliability, and scalability.
- Market Access: Develop and maintain exchange connectivity across global venues. Work on order management systems (OMS), including order routing, risk controls, and real-time state handling.
- Performance Tuning: Profile, benchmark, and continually refine systems to achieve ultra-low latency and high throughput.
- Collaboration: Partner closely with quantitative researchers, systematic PMs, traders, and other engineers to deliver robust, production-ready solutions.
- Reliability: Maintain high availability and resilience across trading systems, including involvement in on-call support where required.
- Greenfield build out: Contribute to the evolution of the platform by evaluating new technologies and implementing best practices to keep the stack competitive.
- Strong grounding in algorithms, data structures, distributed systems, and software design principles.
- Expert-level C++ (modern standards such as C++20/23), alongside experience with Python and/or other modern languages (e.g. Rust).
- Proven experience building and optimising low latency, high throughput systems within a production trading environment.
- Solid understanding of networking (TCP/UDP, multicast), Linux systems programming, and performance profiling tools.
- Familiarity with testing frameworks, CI/CD pipelines, and approaches for designing robust, fault-tolerant systems.
- Strong communication skills, with the ability to operate effectively in a fast-paced, globally distributed team.
- Background working on systematic or algorithmic trading systems within a hedge fund, proprietary trading firm, or investment bank.
- Exposure to hardware acceleration concepts (FPGA, kernel bypass, RDMA) and ultra-low latency networking stacks.
- Experience with cloud-native tooling and containerisation (e.g. Kubernetes, Docker) in hybrid environments.
Senior Low Latency C++ Developer in London employer: Selby Jennings
As a leading global investment firm, our client offers an exceptional work environment for Senior Low Latency C++ Developers, characterised by a strong emphasis on innovation and collaboration. Employees benefit from a culture that prioritises cutting-edge technology and continuous learning, with ample opportunities for professional growth and development in a dynamic, fast-paced setting. Located at the heart of the financial district, the firm provides a unique chance to work alongside top-tier talent while contributing to the evolution of high-performance trading systems.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Low Latency C++ Developer in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Selby Jennings or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Selby Jennings.
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✨Explore Job Boards Specifically for Tech Roles
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We think you need these skills to ace Senior Low Latency C++ Developer in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Selby Jennings.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Selby Jennings and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Selby Jennings
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Selby Jennings uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.