Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Join a top trading firm to build high-performance systems in Rust and Python.
- Company: Global trading firm with a focus on decentralised finance and innovative technology.
- Benefits: Flexible remote work, competitive salary, and opportunities for professional growth.
- Why this job: Make an impact in the DeFi space while working with cutting-edge technologies.
- Qualifications: 3-7 years of software engineering experience, preferably in crypto or DeFi.
- Other info: Dynamic team environment with strong ownership and visibility across projects.
The predicted salary is between 36000 - 60000 £ per year.
Top global trading firm looking for a DeFi developer to join a small, highly technical trading team building high-performance systems that operate directly on decentralized markets. The role is hands-on and focused on building production systems in Rust and Python, covering execution, on-chain integrations, and performance-critical components where latency and reliability are key. There is strong end-to-end ownership and clear visibility across the full trading stack.
They are looking for someone with a solid software engineering background and several years of experience (typically around 3–7). Experience with trading systems or DeFi is beneficial but not required.
What they’re looking for:
- Strong production experience with Rust and Python
- Hands-on experience with smart contracts and Solidity at an application level
- 3–4+ years in crypto or DeFi-native roles
- Deep understanding of decentralized exchanges and the current DeFi landscape
- Experience building and maintaining public APIs
- Understanding of trading concepts, either practical or theoretical
- Ability to run and maintain systems on cloud infrastructure
- Based in London or working remotely from anywhere in Europe
Nice to have:
- Experience designing, writing, and deploying smart contracts
- On-chain trading or strategy development experience
- Familiarity with ecosystems such as Solana, Sui, or Cosmos
- Experience diagnosing performance, latency, or throughput issues
- Interest in product design and user experience alongside engineering
Software Engineer (Prop Trading Firm) in London employer: Radley James
Contact Detail:
Radley James Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Software Engineer (Prop Trading Firm) in London
✨Tip Number 1
Network like a pro! Reach out to folks in the DeFi and trading space on LinkedIn or Twitter. Join relevant groups and forums where you can chat about your passion for decentralised markets and showcase your skills.
✨Tip Number 2
Show off your projects! If you've built anything in Rust or Python, especially related to smart contracts or trading systems, make sure to highlight them. A solid portfolio can really set you apart from the crowd.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and understanding of trading concepts. Practice common algorithms and data structures, and be ready to discuss your thought process during problem-solving.
✨Tip Number 4
Don’t forget to apply through our website! We’re always on the lookout for talented individuals who are passionate about DeFi and trading. Your next big opportunity could be just a click away!
We think you need these skills to ace Software Engineer (Prop Trading Firm) in London
Some tips for your application 🫡
Show Off Your Skills: Make sure to highlight your experience with Rust and Python in your application. We want to see how you've used these languages in real-world projects, especially if you've worked on anything related to DeFi or trading systems.
Be Specific About Your Experience: When detailing your background, focus on your hands-on experience with smart contracts and any relevant projects. We love seeing concrete examples of how you've tackled challenges in the crypto space!
Understand the Trading Landscape: Demonstrate your knowledge of decentralized exchanges and the current DeFi landscape in your application. We’re looking for candidates who can show they understand the market and its nuances.
Apply Through Our Website: Don’t forget to submit your application through our website! It’s the best way for us to keep track of your application and ensure it gets the attention it deserves.
How to prepare for a job interview at Radley James
✨Know Your Tech Stack
Make sure you’re well-versed in Rust and Python, as these are key for the role. Brush up on your knowledge of smart contracts and Solidity too, even if it’s not a strict requirement. Being able to discuss your hands-on experience with these technologies will show that you’re ready to hit the ground running.
✨Understand DeFi and Trading Concepts
Familiarise yourself with the current DeFi landscape and decentralized exchanges. Even if you don’t have direct experience in trading systems, being able to talk about trading concepts and how they relate to your past work will demonstrate your understanding and interest in the field.
✨Showcase Problem-Solving Skills
Be prepared to discuss specific challenges you’ve faced in previous roles, especially those related to performance, latency, or throughput issues. Highlighting your problem-solving skills and how you’ve tackled similar situations will impress the interviewers and show your capability in a high-performance environment.
✨Ask Insightful Questions
Prepare thoughtful questions about the team’s projects, the tech stack, and their approach to product design and user experience. This not only shows your genuine interest in the role but also gives you a chance to assess if the company aligns with your career goals.
