Job Description
This role could be based in either Singapore, London or New York.
Company Overview
Our client is a fast-growing high-frequency trading (HFT) firm specializing in cutting-edge strategies across digital assets and traditional markets. With a strong emphasis on technology, research, and innovation, the firm fosters a collaborative environment where entrepreneurial thinkers can thrive. They are expanding rapidly and offer outstanding opportunities for high-caliber talent to make an impact.
Job Summary
The Core C++ developer will optimize proprietary trading systems by building ultra-low-latency infrastructure, enhancing execution speed and ensuring robust system reliability. The ideal candidate will have deep expertise in C++, systems programming and high-performance computing.
Key Responsibilities
- Design, develop, and optimize low-latency, high-performance trading infrastructure in modern C++ (latest standards)
- Implement efficient and scalable trading algorithms, order execution, and risk management systems
- Optimize CPU performance, memory management, and multi-threaded applications.
- Work on low-level networking, including TCP/UDP performance tuning and kernel bypass techniques (AF_XDP, DPDK, or similar)
- Collaborate with quant researchers, traders, and infrastructure engineers to improve system performance
- Profile, benchmark, and debug real-time systems to minimize latency and maximize throughput
- Maintain robust and fault-tolerant system components for continuous trading operations
Job Requirements
- C++ Expertise: Advanced proficiency in modern C++ (C++17/20) with strong systems-level programming skills
- Low-Latency Systems: Proven experience building high-performance, low-latency, real-time systems
- Networking & Concurrency: Deep knowledge of TCP/UDP networking, multi-threading, and concurrency models
- Linux Performance: Strong background in Linux development, performance tuning, and system-level optimization
- Bonus Skills: Experience with kernel bypass (e.g., DPDK, AF_XDP), C# for trading infra, and familiarity with crypto or finance trading environments
The successful candidate will work alongside the best and brightest in the industry, with the opportunity to make a direct impact on trading performance and business success. In a company with an agile and non-bureaucratic culture, your contributions will be greatly valued while handsomely rewarded with highly attractive compensation structures.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. By submitting your application, you give us permission to store and use your data for recruitment purposes in accordance with our privacy policy.
Core C++ Developer - Revolutionary High Frequency Trading Firm in City of London employer: Mapped
Our client is an exceptional employer, offering a dynamic and innovative work culture that empowers Core C++ Developers to excel in high-frequency trading. With locations in Singapore, London, and New York, employees benefit from a collaborative environment that prioritises cutting-edge technology and research, alongside competitive compensation packages and significant opportunities for professional growth. Join a team of industry leaders where your contributions are recognised and rewarded, making a tangible impact on the future of trading.
StudySmarter Expert Advice🤫
We think this is how you could land Core C++ Developer - Revolutionary High Frequency Trading Firm in City of 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 Mapped 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 Mapped.
✨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 Mapped.
✨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 Mapped 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!
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 Mapped.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Mapped 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 Mapped
✨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 Mapped 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.
