At a Glance
- Tasks: Design and implement high-performance C++ systems for trading infrastructure.
- Company: Join a leading global quantitative trading firm with a tech-first approach.
- Benefits: Competitive salary, hybrid work model, and opportunities for rapid career growth.
- Other info: Collaborate with a talented team in a dynamic, fast-paced environment.
- Why this job: Make a real impact on trading systems processing billions daily.
- Qualifications: Strong C++ skills and a passion for solving complex technical challenges.
Up to 300,000 total
Global Quantitative Trading Firm
London – Hybrid (4 days onsite / 1 remote)
Quant Capital is working with a technology-first trading firm to find a C++ Software Engineer to join a highly specialised team building real-time trading infrastructure. The team’s scope covers everything from market data processing and signal evaluation to order routing and execution—giving developers full ownership over performance-critical code. This is a low-latency, high-throughput environment where the software you write is deployed directly into production and contributes to daily trade volumes in the hundreds of billions.
Role Overview
You’ll work in a fast-moving team responsible for the full software lifecycle behind the firm’s core trading platform. In addition to building latency-sensitive code in C++, you’ll have the chance to work on adjacent systems like distributed storage platforms, high-performance compilers, and GPU/FPGA integrations. The team is highly technical, cross-functional, and trusted to solve hard problems autonomously.
Key Responsibilities
- Design and implement high-performance C++ systems used across trading infrastructure
- Work on projects ranging from real-time market data processing to order execution
- Optimise systems at the micro-architectural level (cache usage, CPU pipelines, memory layout)
- Contribute to the design of distributed or parallel computation frameworks
- Collaborate with researchers, infrastructure teams, and hardware specialists
- Write clean, maintainable, post-C++11 code and modernise existing components where needed
What You’ll Need
- Strong command of modern C++ and associated tooling
- Deep understanding of system internals: memory management, caching, paging, CPU execution pipelines
- Solid knowledge of algorithms, data structures, and performance trade-offs
- Experience designing complex systems intended for long uptime and high availability
- Familiarity with Linux systems and tooling is beneficial but not essential
- Comfortable working independently on technically challenging problems
- No finance background needed—just engineering fluency
Why Apply?
- Work on production systems that process hundreds of billions in trading volume daily
- Solve real performance problems—not proxy metrics or arbitrary benchmarks
- Blend low-level systems programming with high-level architecture and impact
- Build for internal use, with fast deployment cycles and immediate feedback
- Join a small, high-performance team with serious technical ownership
- Discretion guaranteed – we never share your profile without your explicit consent.
C++ SOFTWARE ENGINEER – TRADING SYSTEMS in London employer: Quant Capital
Quant Capital is an excellent employer for those looking to thrive in the fintech sector, offering a vibrant work culture that fosters innovation and collaboration. With substantial training and development opportunities, employees can enhance their skills while enjoying a flexible hybrid work model in the heart of London. Join us to be part of a forward-thinking team that values growth and cutting-edge technology.
StudySmarter Expert Advice🤫
We think this is how you could land C++ SOFTWARE ENGINEER – TRADING SYSTEMS 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 Quant Capital 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 Quant Capital.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Quant Capital.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Quant Capital that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace C++ SOFTWARE ENGINEER – TRADING SYSTEMS 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 Quant Capital.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Quant Capital 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 Quant Capital
✨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 Quant Capital 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.
