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