About Us

We are the first chain abstraction protocol, founded in 2021 to address the growing fragmentation between rollups and chains. Over the past two years, we have facilitated over $11 billion in transaction volumes and are trusted by leading protocols and applications, including Metamask, Coinbase, Rainbow Wallet, Zapper, Zerion, OpenSea, Aevo, and Matcha.

We are seeking a talented Back-End Developer with at least 6 years of experience to join our team and help build the core infrastructure powering our protocol. This role offers the opportunity to work on cutting-edge blockchain technology and shape the future of decentralized systems.

Role & Responsibilities

Develop, maintain, and optimize scalable back-end systems and APIs to support our chain abstraction protocol.
Work with Typescript and NestJS to build efficient, modular, and maintainable back-end applications.
Manage and optimize data storage solutions using MongoDB and PostgreSQL.
Collaborate with the engineering team to integrate Solidity-based smart contracts into back-end systems.
Ensure the security, reliability, and scalability of back-end applications.
Collaborate with product and frontend teams to align back-end solutions with user-facing functionalities.
Troubleshoot and debug production issues, ensuring smooth deployment and operation of back-end services.

Required Experience

A minimum of 5 years of experience in back-end development.
Proficiency in Typescript and NestJS, with experience in building scalable and maintainable back-end applications.
Strong experience with database systems, particularly MongoDB and PostgreSQL.
Familiarity with Solidity and integrating smart contracts into back-end systems.
Deep understanding of API design and development.
Strong problem-solving skills and ability to work in a fast-paced, collaborative environment.

Preferred Experience

Knowledge of crypto and Web3 ecosystems, including personal interest and hands-on usage of Web3 tools and platforms.
Familiarity with EVM (Ethereum Virtual Machine) and SVM (Solana Virtual Machine), with experience in Rust development being a plus.
Experience working in a high-growth startup environment.
Passion for blockchain technology and advancing decentralized applications.

What You’ll Love About Us

Our product reaches millions of users in crypto, and they love what we do.
We trust and empower our team to make independent decisions—no micromanagement here.
We are builders, constantly focused on shipping and delivering impactful solutions.
We foster a collaborative, supportive culture where everyone wants the best for each other and the company.
Enjoy the flexibility and freedom of remote work.

Senior Backend Developer