Innovation Quant Developer Intern (DeFi/Corporate Development) - Brussels

The role

You will prototype new technologies, conduct technical due diligence, and support strategic growth initiatives. This role involves evaluating Web3 primitives, building prototype systems, and using data analytics to track market trends.

What you will do

• Assist in evaluating new Web3.0 primitives, DeFi protocols, and emerging blockchain infrastructure
• Support technical and quantitative due diligence on potential strategic deals, venture investments, and ecosystem partnerships
• Help build, test, and maintain prototype systems, analytics tools, and internal proof-of-concepts
• Use Python, SQL, and data analytics to track emerging technologies and monitor market trends

Required qualifications

• Graduating student or recent graduate in Computer Science, Mathematics, Physics, Engineering, Quantitative Finance, or a related technical field
• Solid code-first foundation in Python and SQL
• Git proficiency
• Strong understanding of and active, deep interest in Web3.0, digital assets, blockchain primitives, and capital markets
• Ability to analyze technical documentation, work with data/on-chain telemetry, evaluate emerging technologies, and build quantitative models or prototype tools
• Self-starter with strong communication skills
• Curiosity to learn rapidly
• Owner mentality

Nice to have

• Hands-on experience prototyping smart contracts or Web3 tools
• Familiarity with Rust, Solidity, EVM event logs
• Previous internship/project experience in crypto or quantitative finance

Benefits

• 6 month paid internship
• Accommodation provided for entirety or part of it
• Opportunity to learn about digital assets and blockchain from a 30,000 ft view
• Working from one of Brussels newest, nicest and most advanced office spaces
• Global, collaborative and tech-driven environment
• Autonomy and impact within a flat structure

Before you apply

• Application deadline: 30 November 2026
• Selection process includes Interview with Talent Acquisition, Interview with Hiring Manager, and Recruitment Challenge
• Background checks are a prerequisite to join Keyrock

About the company

Keyrock is a global, remote-first team of 200+ people providing liquidity across 80+ centralized and decentralized exchanges. They run a full spectrum of capital markets businesses including market making, high-frequency trading, and DeFi trading desks.