DeFi Quant Trader Intern (Credit) - Brussels

The role

You will work with quant traders and credit strategists to build quantitative risk models, automate yield harvesting, analyze on-chain liquidity pools, and evaluate DeFi protocol mechanics. This role involves developing risk models, building Python-based tools, and performing quantitative forensics on lending primitives.

What you will do

• Develop and refine quantitative risk models to assess protocol health, collateralization ratios, liquidation risks, and smart contract vulnerability exposure
• Build Python-based tools and algorithmic models to analyze real-time yield curves, liquidity pool depth, and funding rate arbitrage
• Query on-chain telemetry, EVM event logs, and DEX/lending protocol data using SQL, Subgraphs, and Python
• Perform quantitative forensics and stress testing on emerging lending primitives, liquid staking protocols, and structured credit products

Required qualifications

• Strong code-first foundation in Python and SQL
• Git proficiency
• Understanding of smart contract mechanics and DeFi primitive math
• Rigorous background in a quantitative field (Math, Physics, CS, Finance, or Engineering)
• Ability to model yield dynamics, credit risk, backtesting strategies, and protocol insolvency scenarios
• Hands-on experience interacting with decentralized lending protocols, yield aggregators, or credit markets

Nice to have

• Familiarity with Rust
• Familiarity with Solidity
• Familiarity with Foundry
• Familiarity with specialized credit risk models and backtesting frameworks

Benefits

• 6 month paid internship
• Accommodation provided for entirety or part of it
• Opportunity to learn about digital assets and blockchain
• 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
• Start date: 1 March 2027
• 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 across centralized and on-chain venues.