Summary
A senior backend engineering role focused on designing reliable APIs, scalable services, and data-driven systems. The position involves modern backend technologies, cloud infrastructure, database optimization, and building secure solutions for advanced digital applications.
Highlights
Opportunity to build scalable backend systems, work with modern technologies, and solve complex infrastructure and data challenges in an innovative environment.
Description
Apply here
Job Description
About Expand
expand.network provides a unified API connecting you to all of DeFi.
With our API, clients can seamlessly perform transactions and source historical & and real-time on-chain data from 100+ distinct DeFi endpoints - including DEXs, bridges, DEX aggregators, lending protocols, yield aggregators, oracles, stablecoins, NFTs and more.
expand.network is backed by web3 startup incubator Cumberland Labs founded in conjunction with proprietary trading firm DRW and leading crypto market maker Cumberland.
Cumberland Labs incubates and develops innovative blockchain-based products and companies.
Job Requirement
Key Responsibilities
Design, develop, and maintain scalable backend services using Node.js, MERN stack, python, git, and cloud infrastructure.Implement secure, performant, and scalable APIs to support Web3, and DeFi applications.Architect and optimise database schemas to ensure data integrity and performance.Write clean, modular, and well-documented code, adhering to best practices.Troubleshoot and debug applications to optimise performance.Participate in code reviews and provide constructive feedback to team members.Stay updated with the latest industry trends and advancements in web3, DeFi and blockchain projects.
Key Requirements
Proven experience as a Senior Backend Developer with expertise in Node.js and MERN stack.In-depth understanding of blockchain technology and experience with DeFi protocols.Experience with RESTful APIs and WebSocket programming.Proficient in database design and management, particularly with NoSQL databases.Solid understanding of security principles and how to apply them in applications.Familiarity with cloud services such as AWS, Azure, or Google Cloud.Strong problem-solving skills and the ability to work in a fast-paced environment.Excellent communication and collaboration skills.
Nice To Have
Experience with other backend frameworks and languages such as Python, Go, or Rust.Familiarity with smart contract development and Solidity.Knowledge of other blockchain platforms like Ethereum, Binance Smart Chain, or Cosmos.Experience with containerization and orchestration tools such as Docker and Kubernetes.Understanding of CI/CD pipelines and DevOps practices.Contributions to open-source projects or a strong portfolio of relevant work.Familiarity with decentralised applications (dApps) and NFT platforms.
Benefits
Competitive salary and equity options.Flexible working hours and remote work opportunities.Opportunity to work on cutting-edge projects in the web3 and DeFi space.Professional growth and development opportunities.Collaborative and inclusive work environment.
How to Apply
Interested candidates are invited to submit their resume, portfolio, and a brief cover letter outlining their experience and interest in the role to careers@expand.network.
