Senior/Staff Backend Engineer

About aPriori

aPriori is an MEV infrastructure and liquid staking protocol, designed for the parallel execution era and natively built on Monad. We are building the foundational infrastructure for the next era of decentralized finance, helping stakers, protocols and validators maximize yield with transparency and efficiency. Our team is composed of experts in high-performance trading, DeFi protocols, distributed systems, and blockchain infrastructure.

The Role

We’re looking for a strong Senior or Staff Backend Engineer passionate about solving complex problems with high-performance solutions. You will play a pivotal role in our journey from testnet to mainnet, with significant ownership in all stages from design, development, deployment, and maintenance. You’ll work closely with a highly experienced, crypto-native team to architect and implement performant backend systems.

What You’ll Do

• Design, build, and maintain scalable, mission-critical backend services and APIs powering liquid staking, mev infrastructure and other foundational DeFi systems


• Work on high-performance systems that interact with blockchain networks in real-time


• Collaborate with smart contract engineers, frontend engineers, and leadership to ship end-to-end features


• Contribute to technical decisions and engineering culture across the stack, including system architecture and design patterns

What We’re Looking For

• 4-10 years of backend software engineering experience in one of the following: Golang, Rust, C/C++, Python, Java, Node.js


• Experience in designing, developing, and maintaining scalable, high-performance backend systems and public-facing APIs


• Experience in managing and optimizing databases like PostgreSQL to ensure data integrity, enhance performance, and achieve scalability


• Excellent communication and collaboration skills


• Strong sense of ownership and a passion for driving complex technical decisions


• Ability to move fast and ship software to production with rapid iteration


• Academic background from a top-tier university and/or experience at a well-regarded technology company is a strong plus.

Nice to Haves:

• Experience in building backend systems interacting with blockchains


• Experience designing and developing liquid staking solutions, dexes and/or mev infra in production


• Knowledge of blockchain infrastructure, validator clients and p2p networking


• Deep knowledge of DeFi legos

Why Join Us

• Work at the frontier of crypto and DeFi infrastructure


• Join a tight-knit, low-ego team with deep technical chops


• Competitive compensation, bonus and token upside


• Fully remote, flexible work culture