At a Glance
- Tasks: Develop low-latency trading systems and optimise market data processing.
- Company: Join Flowdesk, a cutting-edge digital asset trading firm.
- Benefits: 100% health coverage, learning budget, and team events.
- Other info: Dynamic, international team with strong growth opportunities.
- Why this job: Shape the future of finance at the intersection of tech and crypto.
- Qualifications: Hands-on Rust experience and knowledge of trading systems required.
The predicted salary is between 63000 - 77000 £ per year.
About Flowdesk
At Flowdesk, we are building the infrastructure powering the next era of global finance.
As a full-service digital asset trading and technology firm, we provide liquidity solutions, OTC trading, and market infrastructure that connect digital assets to global markets with institutional-grade precision, transparency, and scale.
Flowdesk combines expertise from traditional finance, algorithmic trading, and blockchain technology to deliver always-on trading capabilities across the digital asset ecosystem.
Founded in 2020, we have grown into a global team supporting institutions, exchanges, and token issuers worldwide as the financial system evolves toward tokenized markets.
Why join Flowdesk?
You'll be joining a company operating at the intersection of finance, technology, and crypto - solving complex market problems, building critical infrastructure, and helping shape how digital assets move globally.
We move fast, think long term, and work with a strong ownership mindset across engineering, trading, product, operations, and business teams.
Role Description
Our technology team builds and maintains the low-latency trading infrastructure that powers our operations - from execution engines and exchange connectivity to risk and market data systems.
We move fast, operate at scale, and expect our engineers to take direct ownership of production systems that impact live trading P&L.
We are looking for a hands-on Rust engineer to join our High-Frequency Trading team.
This is a core technical role focused on the components that sit closest to the market: order management, feed handling, and strategy execution.
The successful candidate will have direct experience building these systems in production and will be comfortable working at the systems level - networking, parsing, and latency optimisation.
- Order Management System (OMS) development and maintenance
- Feed handler design and optimisation - processing market data at high throughput
- Strategy logic implementation and integration with execution infrastructure
- Low-level networking code: custom protocol parsing, socket management, kernel bypass techniques
- Fast parsing pipelines for market data and order flow
- Exchange connectivity across FIX, Web Socket, and proprietary protocols
- Latency profiling, benchmarking, and continuous performance improvement
Requirements
- Must Have
- Direct, hands-on experience building OMS, feed handlers, and/or strategy logic in a production environment
- Strong Rust - the primary language for this role. Experience with both async and non-async (synchronous / bare-metal) Rust is highly valued
- Low-level networking: socket programming, protocol implementation, latency-aware design
- Experience writing fast parsing code - binary protocols, custom formats, minimal-copy pipelines
- FIX protocol and Web Socket connectivity in production
- Strong understanding of distributed systems and state synchronization
- Preferred
- Trad Fi or institutional crypto market-making background
- Experience with kernel bypass networking (DPDK, RDMA, or similar)
- Familiarity with lock-free data structures and wait-free concurrency
- Options or derivatives experience
- C++ background - useful where Rust experience is being built
- Location
- London (primary preference)
- Dubai (also open)
- Remote: considered only for candidates with 1-2+ years at a recognised institutional trading firm
- Person Profile
- Curious and autonomous
- Highly motivated and results-driven
- Strong maths and analytical skills
- Ability to successfully manage multiple tasks in a fast-paced collaborative environment
- Professional proficiency in English
- Company Culture & Values
- Take Action & Own the Mission
- Be of Service & Contribute
- Innovate, Create Value, & Be Courageous
- Act with Integrity & Respect
Benefits
- International environment (English is the main language)
- 100% health coverage
- Team events and offsites
- Company Pension scheme
- Learning and Development budget
- Recruitment Process
- Stage 1: First round interview with a member of our Talent Acquisition team (45 mins)
- Stage 2: Binance take-home assignment, AI-assisted + online technical screen AI-free.
- Stage 3: 30-45 mins with CTO - assessment of system design, technical experience, discussion of AI output.
- Stage 4: Online Coder Pad interview with HFT team - Rust focused.
- Stage 5: In-person technical interview covering live-coding, data-structure & algorithms round, and background and goals alignment.
- Stage 6: Round-Up meeting with Head of Talent Strategy
- FLOWDESK |
HFT Quantitative Developer in London employer: Delphi Ventures
Delphi Ventures provides a unique opportunity to work at the forefront of digital finance, combining expertise in traditional finance and blockchain technology. Employees benefit from a collaborative and innovative work culture that emphasizes professional growth and development. The company's focus on solving complex market problems makes it an attractive employer for those looking to make an impact in the financial sector.
StudySmarter Expert Advice🤫
We think this is how you could land HFT Quantitative 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 Delphi Ventures 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 Delphi Ventures.
✨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 Delphi Ventures.
✨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 Delphi Ventures 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 HFT Quantitative 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 Delphi Ventures.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Delphi Ventures 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 Delphi Ventures
✨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 Delphi Ventures 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.
