At a Glance
- Tasks: Research and develop innovative strategies in DeFi markets using cutting-edge technology.
- Company: Join Fidelity Investments, a leader in digital assets and finance innovation.
- Benefits: Competitive salary, health benefits, and opportunities for professional growth.
- Why this job: Make an impact in the evolving world of DeFi and digital finance.
- Qualifications: Strong programming skills in C++/Rust and Python; experience in DeFi is a plus.
- Other info: Collaborative team environment with a focus on innovation and research.
The predicted salary is between 36000 - 60000 ÂŁ per year.
We are seeking a DeFi Quantitative Developer with strong engineering skills to join our London-based team. This role is ideal for a technically strong developer who combines deep experience in DeFi markets and on-chain analytics with the ability to adapt and extend backtesting systems for DeFi as well as ideate on scalable strategies.
You will work closely with quant researchers and analysts to build research infrastructure, design, test, and deploy strategies that capitalize on opportunities across decentralized markets.
Key Responsibilities- Strategy Research & Implementation
- Research and develop yield-generating strategies across DeFi protocols (staking, LPs, lending, re-staking, etc.)
- Extract, clean, and analyze on-chain data to identify inefficiencies, arbitrage opportunities, and risk‑adjusted return profiles
- Design and execute robust backtests to validate strategy performance
- System Adaptation
- Work with existing research frameworks to integrate DeFi‑specific functionality
- Extend and optimize components for on‑chain analysis, risk management, and simulated connectivity to decentralized venues
- Implement enhancements in Rust and Python for performance, reliability, and security
- Monitoring & Troubleshooting
- Develop metrics and dashboards to monitor strategy performance and market conditions
- Troubleshoot unexpected behaviors and refine strategies based on real‑time feedback
- Continuously iterate on models and assumptions to adapt to evolving DeFi ecosystems
- Cross‑Team Collaboration
- Work closely with the Head of Quant Strategies to align strategy development with business goals
- Present research findings and performance metrics to team and internal stakeholders
- Contribute to thought leadership and internal knowledge sharing on DeFi trends and innovations
- Technical Expertise
- Strong proficiency in a systems language such as C++/Rust etc.
- Advanced skills in Python, relational databases and SQL/Snowflake
- Experience working with blockchain data (e.g., The Graph, Dune, custom node queries) and trading platforms
- Strong understanding of portfolio construction, risk modeling, and statistical analysis
- DeFi & Market Knowledge
- Deep experience with DeFi protocols, protocol mechanics, and smart contracts
- Understanding of liquidity provisioning, staking, lending, and governance mechanisms
- Experience with systematic trading or investment strategies in digital assets
- Analytical & Research Skills
- Ability to design statistically sound experiments and backtests
- Skilled at extracting signal from noisy, imperfect datasets
- Structured approach to hypothesis generation, model building, and validation
- Professional Experience
- Typically 5+ years of experience in quantitative development/research
- Prefer 2+ years of experience in digital assets and/or DeFi
- Advanced degree (MSc or PhD) in a quantitative discipline (e.g., Mathematics, Computer Science, Physics, Statistics)
- Experience working in a collaborative, cross‑functional environment
- Preferred Qualifications
- Prior experience adapting or extending trading systems
- Familiarity with MEV, gas optimization, and Layer 2 scaling solutions
- Experience with trading infrastructure and execution in decentralized markets
- Demonstrated initiative in research, strategy development, and process improvement
Fidelity Digital Assets® is dedicated to building products and services that help institutions adopt digital assets and innovate within the increasingly digital world of finance. Fidelity Investments began researching blockchain technology and digital assets solutions in 2014, and years of research and development have provided us with the deep expertise necessary to build the future of finance.
Come join the Quantitative Strategies team within Fidelity Digital Assets® to help grow our business initiatives within DeFi and contribute to our research and product capabilities using your insights.
Quant Developer (Digital Assets) in London employer: Fidelity Investments
Contact Detail:
Fidelity Investments Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Quant Developer (Digital Assets) in London
✨Tip Number 1
Network like a pro! Reach out to folks in the DeFi space on LinkedIn or attend meetups. We all know that sometimes it’s not just what you know, but who you know that can land you that dream job.
✨Tip Number 2
Show off your skills! Create a GitHub repository showcasing your projects related to DeFi and quantitative development. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for those interviews! Brush up on your technical skills and be ready to discuss your experience with blockchain data and trading strategies. We recommend practicing common interview questions and even doing mock interviews with friends.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are genuinely interested in joining our team at Fidelity Digital Assets®.
We think you need these skills to ace Quant Developer (Digital Assets) in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Quant Developer role. Highlight your technical expertise in languages like Rust and Python, and don’t forget to mention any experience you have with DeFi protocols!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about DeFi and how your background makes you a perfect fit for our team. Be sure to mention specific projects or experiences that showcase your quantitative development skills.
Showcase Your Projects: If you've worked on relevant projects, whether personal or professional, make sure to include them in your application. We love seeing real-world applications of your skills, especially if they relate to blockchain data or trading strategies!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re serious about joining our team at Fidelity Digital Assets!
How to prepare for a job interview at Fidelity Investments
✨Know Your DeFi Inside Out
Make sure you brush up on your knowledge of DeFi protocols and mechanics. Be ready to discuss specific strategies you've researched or implemented, like staking or liquidity provisioning. This shows you're not just familiar with the concepts but can also apply them practically.
✨Show Off Your Technical Skills
Prepare to demonstrate your proficiency in languages like Rust and Python. You might be asked to solve a coding problem or explain how you've used these languages in past projects. Bring examples of your work that highlight your technical expertise, especially in relation to blockchain data.
✨Be Ready for Problem-Solving Questions
Expect questions that test your analytical skills and ability to troubleshoot. Think about past experiences where you had to refine a strategy based on real-time feedback or adapt a model to changing market conditions. Use the STAR method (Situation, Task, Action, Result) to structure your answers.
✨Collaborate and Communicate
Since this role involves working closely with quant researchers and analysts, be prepared to discuss how you’ve collaborated in previous roles. Highlight your communication skills and any experience presenting findings to stakeholders. This will show that you can contribute to a team environment effectively.