DeFi Developer

DeFi Developer

London Full-Time 72000 - 108000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Develop and optimise decentralised trading strategies using Rust and Python.
  • Company: Join a leading crypto trading firm at the forefront of DeFi and Blockchain markets.
  • Benefits: Enjoy a competitive salary, bonuses, and flexible working arrangements.
  • Why this job: Work directly with traders and contribute to innovative financial technologies in a dynamic environment.
  • Qualifications: 1-5 years of software development experience; strong programming skills required.
  • Other info: Opportunity for growth with 4 days onsite and potential for remote work.

The predicted salary is between 72000 - 108000 £ per year.

A high-performance crypto trading firm at the forefront of DeFi/Blockchain markets is expanding its team in London. Joining as a Rust Developer, you will build and optimise decentralised trading strategies and infrastructure, work on various models across the front office, and work directly with the traders.

Your Role:

  • Contribute production-grade code in Rust, Python, and related technologies
  • Build systems that interact with on-chain protocols (e.g., Solidity, JSON-RPC, Solana, MEV workflows)
  • Develop and refine real-time monitoring, strategy tools, and execution pipelines
  • Integrate with DeFi protocols (AMMs, lending platforms, etc.)
  • Work alongside quant researchers to implement real-time strategies

What We’re Looking For:

  • 1–5 years of professional software development experience in any language
  • Strong programming skills and the ability to write clean, testable, and efficient code
  • A solid grasp of core computer science principles: algorithms, data structures, concurrency, networking, etc.
  • Demonstrated technical excellence, such as: Top academic performance in CS, math, physics, or engineering, Competitive programming or olympiad success (e.g., ICPC, IMO, IPhO etc.), Internship or full-time experience at a highly selective tech company or fund
  • Ability to pick up new concepts quickly, take ownership, and communicate clearly

4 days a week onsite, with more flexibility as time goes on/experience gained. Up to £150,000 base salary + highly competitive bonus structure. If interested, please apply directly here or at Volkan.ozbicer@radleyjames.com with your CV to discuss further.

DeFi Developer employer: Radley James

As a leading crypto trading firm in the heart of London, we pride ourselves on fostering a dynamic and innovative work culture that empowers our DeFi Developers to excel. With a competitive salary package, flexible working arrangements, and opportunities for professional growth, we encourage our team members to take ownership of their projects while collaborating closely with traders and quant researchers. Join us to be part of a cutting-edge environment where your contributions directly impact the future of decentralised finance.
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Contact Detail:

Radley James Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land DeFi Developer

✨Tip Number 1

Familiarise yourself with Rust and its ecosystem, as this role heavily relies on it. Consider contributing to open-source projects or building your own small applications to showcase your skills.

✨Tip Number 2

Gain a solid understanding of DeFi protocols and blockchain technology. Follow industry news, participate in forums, and perhaps even engage in some hands-on trading to better understand the market dynamics.

✨Tip Number 3

Network with professionals in the DeFi and crypto space. Attend meetups, webinars, or conferences to connect with potential colleagues and learn about the latest trends and technologies.

✨Tip Number 4

Prepare to discuss your past projects and experiences in detail during interviews. Be ready to explain your thought process, the challenges you faced, and how you overcame them, especially in relation to real-time systems and trading strategies.

We think you need these skills to ace DeFi Developer

Proficiency in Rust and Python
Experience with on-chain protocols (e.g., Solidity, JSON-RPC, Solana)
Understanding of decentralised finance (DeFi) protocols (AMMs, lending platforms)
Strong programming skills
Ability to write clean, testable, and efficient code
Knowledge of algorithms and data structures
Familiarity with concurrency and networking concepts
Experience in developing real-time monitoring and execution pipelines
Ability to collaborate with quant researchers
Strong problem-solving skills
Excellent communication skills
Ability to learn new concepts quickly
Ownership and accountability in project delivery

Some tips for your application 🫡

Understand the Role: Before applying, make sure you fully understand the responsibilities and requirements of a DeFi Developer. Familiarise yourself with the technologies mentioned in the job description, such as Rust, Python, and various blockchain protocols.

Tailor Your CV: Highlight your relevant experience in software development, especially any work related to blockchain or DeFi. Emphasise your programming skills and any projects that demonstrate your ability to write clean and efficient code.

Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for DeFi and blockchain technology. Mention specific projects or experiences that align with the company's goals and how you can contribute to their team.

Proofread Your Application: Before submitting, carefully proofread your CV and cover letter for any errors. A polished application reflects your attention to detail and professionalism, which are crucial in the tech industry.

How to prepare for a job interview at Radley James

✨Showcase Your Coding Skills

Be prepared to demonstrate your programming abilities in Rust and Python. You might be asked to solve coding challenges or discuss your previous projects, so brush up on your coding skills and be ready to explain your thought process.

✨Understand DeFi Protocols

Familiarise yourself with decentralised finance protocols like AMMs and lending platforms. Being able to discuss how these systems work and their implications in trading strategies will show your depth of knowledge and enthusiasm for the field.

✨Highlight Your Problem-Solving Skills

Prepare examples of how you've tackled complex problems in your past roles. Discussing your approach to algorithms, data structures, and concurrency will demonstrate your technical excellence and ability to think critically under pressure.

✨Communicate Clearly

Effective communication is key, especially when working alongside quant researchers and traders. Practice explaining technical concepts in a clear and concise manner, as this will help you stand out during the interview.

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