Backend Engineer

Backend Engineer – DeFi (Remote)

Our client is a leading DeFi derivatives platform redefining how users trade on-chain derivatives. With deep liquidity, instant execution, and up to 25x leverage across 70+ markets, they’re building one of the most advanced decentralized trading experiences on Ethereum, powered by the Synthetix protocol on Optimism for low gas fees and high performance.

As a backend engineer, you’ll play a critical role in building and scaling the systems that power their trading infrastructure. You’ll work on high-performance backend services, smart contract integrations, and on-chain transaction systems that drive one of the most ambitious products in DeFi.

What you’ll do :

Design and implement scalable, low-latency backend systems for trading, data processing, and risk management

Collaborate with frontend, product, and blockchain teams to deliver seamless platform functionality

Develop APIs and backend architecture for reliable, high-speed trade execution

Maintain top-tier standards of security, performance, and reliability

Mentor developers, conduct code reviews, and drive engineering best practices

What we’re looking for :

4+ years of backend development experience

Proven background building scalable, high-performance systems in trading, fintech, or DeFi

Strong experience with Node.js, Go, Python, or similar backend languages

Familiarity with technologies like MongoDB, Kafka, Redis, GCP, Kubernetes, and CI / CD tools

Understanding of microservices architecture and API design

Passion for DeFi and building products you’d want to use yourself

Nice to have :

Experience with blockchain or smart contract integrations

Understanding of trading algorithms, derivatives, or risk management concepts

Contributions to open-source DeFi or blockchain projects

Why join :

Competitive compensation (with the option for crypto payments)

Unlimited paid leave and flexible, async remote work

Bi-annual in-person team retreats (all expenses covered)

Fast-moving, high-impact environment in a rapidly growing DeFi sector