At a Glance
- Tasks: Design and develop high-performance trading systems using C++ and other technologies.
- Company: Join a leading electronic trading technology team in London.
- Benefits: Enjoy a competitive salary, hybrid work model, and opportunities for professional growth.
- Other info: Collaborative environment with exposure to innovative engineering challenges.
- Why this job: Make a real impact on global financial markets with cutting-edge technology.
- Qualifications: 5+ years of software development experience, strong C++ skills, and knowledge of low-latency systems.
The predicted salary is between 59400 - 72600 £ per year.
Ncounter is supporting the growth of a specialist electronic trading technology team responsible for building and enhancing high-performance systems operating across global financial markets. We are looking for an experienced Software Developer with strong C++ skills and a background working on low-latency trading technology.
You’ll work on business-critical applications including matching engines, FIX gateways and real-time trading systems, where performance, availability and efficient processing are fundamental. This is a hands-on development role with considerable exposure to C++, alongside Java, Python and JavaScript within a predominantly Linux environment.
What you’ll be working on:
- Designing and developing high-performance matching engines, FIX gateways and electronic trading applications
- Building low-latency, multithreaded systems using C++ and Java
- Processing real-time market and trading data through highly available systems
- Developing efficient in-memory data structures, lock-free queues and circular buffers
- Working with TCP/IP, UDP, multicast and other networking technologies
- Troubleshooting, profiling and optimising performance-critical production applications
- Supporting automated testing, DevOps practices and CI/CD pipelines
- Working closely with trading, product and infrastructure teams throughout the development lifecycle
What we’re looking for:
- 5+ years of professional software development experience
- Strong C++ development skills, ideally alongside commercial Java experience
- Hands-on FIX protocol experience within electronic trading
- Experience building low-latency, high-frequency or performance-critical systems
- Strong Linux knowledge covering multithreading, sockets, IPC and system-level behaviour
- Good understanding of concurrency, memory management and in-memory optimisation
- Knowledge of NUMA architectures and performance-focused programming techniques
- Experience with networking protocols including TCP/IP, UDP, unicast and multicast
- Python, SQL and relational database experience would be useful
This is an opportunity to work close to the core of electronic trading, solving challenging engineering problems where software performance has a direct business impact. If you have strong C++ engineering experience alongside FIX and low-latency trading systems, get in touch with Ncounter for a confidential discussion.
C++ Engineer employer: Ncounter Limited
Ncounter is an exceptional employer for C++ Engineers, offering a dynamic work environment in London that fosters innovation and collaboration. With a strong focus on employee growth, we provide opportunities to work on cutting-edge electronic trading technology while enjoying a hybrid work model that promotes work-life balance. Our culture encourages continuous learning and development, making it an ideal place for professionals looking to make a meaningful impact in the financial technology sector.
StudySmarter Expert Advice🤫
We think this is how you could land C++ Engineer
✨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 Ncounter Limited 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 Ncounter Limited.
✨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 Ncounter Limited.
✨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 Ncounter Limited 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++ Engineer
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 Ncounter Limited.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Ncounter Limited 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 Ncounter Limited
✨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 Ncounter Limited 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.
