Senior Software Engineer, C++ , Core Platform in London

Senior Software Engineer, C++ , Core Platform in London

London Full-Time 56700 - 69300 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Lead the development of our Core platform and optimise trading systems for maximum performance.
  • Company: Join Flow Traders, a dynamic tech-driven trading firm in Amsterdam.
  • Benefits: Enjoy competitive salary, profit share, daily lunches, and wellness perks.
  • Other info: Experience a vibrant workplace with global opportunities and exciting team events.
  • Why this job: Make an impact in high-frequency trading with cutting-edge technology and a collaborative culture.
  • Qualifications: 5+ years C++ experience, strong coding skills, and a passion for performance.

The predicted salary is between 56700 - 69300 £ per year.

Flow Traders is looking for Senior C++ Software Engineers to join our growing team in Amsterdam. Software Engineers at Flow Traders provide us with our competitive edge, equipping Researchers and Traders with the information and capabilities that they need to make sound business decisions. C++ plays a critical role in our event-driven trading systems, which are designed to reliably handle vast amounts of data at ultra-low latencies. As a C++ Engineer, you will build systems used to analyze and trade tens of thousands of products across hundreds of global trading venues every day. Working closely with Technologists, Quantitative Researchers, and Traders, you’ll guide the development of our in-house trading technology and optimize it to achieve market-leading performance and reliability.

Our proprietary trading platform includes everything from venue connectivity (feed handlers and ordering gateways) to trading engines to shared platforms that enable us to work quickly and efficiently - we are proud of our open and collaborative culture, so you’ll have plenty of opportunity to find what fits you best. Teamwork is one of our most important firm values, and end users are never more than a short walk away, guaranteeing short feedback loops and immediate insight into the value that your code provides. To foster collaboration and innovation, we maintain shared libraries, encourage code re-use, and continuously evolve our views on application architecture.

What you will do:

  • Main technical activities include:
  • Lead the development and global rollout of our Core platform used in multiple business/focus groups (Market data, Quantitative research, Pricing, Strategies)
  • Be involved in the development process, which will be a fast-paced iterative process where you deploy your deliverables and validate them yourself and/or together with traders or quants
  • Develop tools/frameworks to deliver capabilities for tuning/develop data-driven systematic pricing and trading strategies
  • Work together with focus group engineers, Quants and Technical traders to refine requirements, collect feedback, and iterate on design and implementation of platform requirements
  • Write software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, Websocket or HTTP requests
  • Ensure quality of software based on a set of testing suites, which you are expected to use, maintain and extend
  • Optimize exchange communication through kernel bypass, optimizing TLS or the connection handling to an exchange
  • Research exchange behavior in detail to align our behavior to that of an exchange
  • Implement these solutions using the provided exchange SDKs in different languages such as C++, Rust, Python, Typescript
  • Implement trading algorithms based on requirements provided by traders and quants
  • Acquire and develop the necessary trading knowledge to successfully translate the requirements into actual software implementation
  • Continuously improve the stability, reliability, and performance of the trading engine
  • Enhance monitoring and observability in collaboration with the Trading Operations team
  • Investigate and resolve production issues such as crashes, unexpected business logic behavior, and performance bottlenecks
  • Prepare for releases and deployments of new trading engine versions

What you need to succeed:

  • BSc, MSc, or PhD in Computer Science, Mathematics or equivalent
  • 5+ years post-graduation professional C++ software development experience (proprietary trading industry preferred)
  • Ability to write clean, reliable, and highly scalable code
  • Good knowledge of algorithms and data structures
  • Experience in parallel, asynchronous, and multithreaded programming
  • Interest in achieving maximum performance from available hardware and software
  • Ability to communicate with technical and non-technical business colleagues

What we offer:

At Flow Traders, we create the conditions for hard‑working, high‑performing people to do their best work. From a thorough onboarding and ongoing access to Flow Academy, to latest technology and a collaborative, non‑hierarchical culture, we give you the tools, ownership, and support to move fast and drive outcomes. We keep a close‑knit, small‑company feel while offering competitive salary, annual discretionary profit share, and comprehensive benefits, so talent can grow here, and stay here.

See our benefits below:

  • Flow Academy and opportunities to attend domain-related conferences
  • Daily catered lunch, great coffee, and a fully stocked kitchen and snack bar
  • In-house Bar and Lounge with arcade, table tennis, billiards, and game consoles
  • Company boat
  • In-house gym and sessions with our nutritionist or personal trainer
  • Bi-weekly massages
  • Annual company trip and a variety of events throughout the year, such as the New Years Event
  • Global rotations across our offices worldwide and more

Senior Software Engineer, C++ , Core Platform in London employer: Flow Traders

Flow Traders is an exceptional employer, offering a dynamic and collaborative work culture in the heart of London. With a strong focus on employee growth, you will have access to cutting-edge technology and the opportunity to work alongside top-tier professionals in the fintech industry. The company values innovation and provides a supportive environment that encourages creativity and the development of advanced ML solutions.

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Contact Details:

Flow Traders Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Software Engineer, C++ , Core Platform 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 Flow Traders 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 Flow Traders.

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 Flow Traders.

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 Flow Traders 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 Senior Software Engineer, C++ , Core Platform in London

C++
Software Development
Algorithms
Data Structures
Parallel Programming
Asynchronous Programming
Multithreaded Programming

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 Flow Traders.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Flow Traders 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 Flow Traders

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 Flow Traders 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.