Senior Backend Engineer
Fireblocks is an enterprise-grade platform delivering a secure infrastructure for moving, storing, and issuing digital assets. It enables exchanges, custodians, banks, trading desks, and hedge funds to securely scale digital asset operations through its patent-pending SGX & MPC technology.
About Fireblocks
Fireblocks is an enterprise-grade platform that provides a secure infrastructure for moving, storing, and issuing digital assets. It enables financial institutions like exchanges, custodians, banks, trading desks, and hedge funds to securely scale their digital asset operations. The company was founded by Michael Shaulov, Idan Ofrat, and Pavel Berengoltz after they investigated a major cyber breach. Fireblocks utilizes breakthrough Multi-Party Computation (MPC) and patent-pending chip isolation technology to secure private keys and API credentials. The platform supports various use cases including treasury management, wallet as a service, tokenization, payments, and DeFi, and provides a complete development platform with APIs, SDKs, and tutorials for building on the blockchain.
Skills
About the Role
You'll join the Liquidity Team to help build one of Fireblocks' newest fintech products. You'll act as a leading backend developer, mentoring and guiding other developers on complex designs while collaborating closely with other teams on cross-functional features. You'll connect exchanges, leading third-party trading agencies, and other providers to create a multi-functional trading platform. You'll also develop and optimize Fireblocks' trading API for a seamless and scalable experience, and research and implement cloud-native architectures to support ongoing growth and scalability.
Requirements
- 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)
- 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
- Understanding of crypto liquidity concepts - market making, order routing, slippage, price impact, and the differences between CEX and DEX liquidity (nice to have)
Responsibilities
- 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 and 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 users
- Research and implement cloud-native architectures to support Fireblocks' ongoing growth and scalability