Senior Backend Engineer

Fireblocks is hiring a Senior Backend Engineer to join the Liquidity Team in Tel Aviv-Yafo, Israel.

Connecting exchanges, OTC desks, custodians, and wallets, the Fireblocks Network settles trillions in crypto trading volume, and delivers a seamless trading experience by reducing friction, unlocking capital efficiency and mitigating counterparty risk.

The Liquidity Team is dedicated to developing Fireblocks' trading solutions. Delivering a reliable, seamless, fast, and secure trading experience for users in both crypto and fiat assets.

What You'll Do

• Be a leading backend developer of one of the newest fintech products in Fireblocks.
• Mentor and guide other developers in complex designs,Work closely with other teams, lead meaningful cross functional features.
• Connect exchanges, leading 3rd party trading agencies and other providers, to create a multi-functional trading platform.
• Develop and optimize Fireblocks' trading API to ensure a seamless and scalable experience for our users.
• Research and implement cloud-native architectures to support Fireblocks' ongoing growth and scalability.

What You'll Bring

• At least 5 years of experience in backend development, with a focus on scalable infrastructure with proficiency in Node.js and TypeScript .
• Strong understanding of system design principles, distributed systems, and scalability.
• Proven track record of designing and deploying microservices-based architectures in production environments.
• Experience with monitoring and logging frameworks (e.g., Datadog, Prometheus, Grafana, ELK stack).

DeFi & Crypto Domain Knowledge (Must-Have)

• Solid understanding of blockchain fundamentals - transaction lifecycles, block confirmations, mempool mechanics, and finality across multiple chains (e.g., EVM-compatible chains, Solana, Bitcoin).
• Hands-on familiarity with DeFi protocols and primitives - including AMMs (e.g., Uniswap, Curve), liquidity pools, yield mechanisms, and on-chain order books.

Liquidity and Exchange knowledge (Nice to have)

• Understanding of crypto liquidity concepts - market making, order routing, slippage, price impact, and the differences between CEX and DEX liquidity.