Senior Smart Contracts Engineer
At cLabs, our mission is to create financial building blocks that empower everyone in the world to save, spend, and innovate with money. cLabs is a technical powerhouse and product incubator dedicated to the Celo ecosystem.
Celo is a Layer 1 blockchain - moving to being a Layer 2 on Ethereum soon - that aims to remove the barriers for large-scale adoption of cryptocurrencies as means-of-payment. Using a novel address-based encryption algorithm, the Celo protocol makes sending money as easy as sending a text. Additionally, Celo uses stable-value tokens pegged to fiat currencies, like the US Dollar, to minimize volatility. Celo is an open protocol enabling many to participate in the system, even with a budget Android smartphone.
cLabs is seeking a Smart Contracts Engineer to join our Contracts Team. As part of the contracts team you will help design and develop Celo's core smart contracts and help develop best practices and processes to ensure those smart contracts are secure. This includes our governance, proof of stake, stability mechanisms, and the decentralized identity system.
- Write production-level code in Solidity and Typescript
- Gather requirements from Engineering Partners and other key internal and external stakeholders (e.g. Celo Validators, Celo Stakeholders) in order to determine and implement changes to our core primitives, including smart contracts and tooling.
- Collaborate with third party Smart Contract Auditors to ensure the quality assurance of the proposed changes as they go through our smart contract release process
- Work on releases end-to-end: from specifications, to design, ship and maintain.
- At least 4 years of experience in software engineering primarily working in Javascript, Typescript.
- At least 1 - 2 years of experience in Solidity programming and using development frameworks like Foundry, Hardhat or viem.
- Prior experience in deploying complex smart contract systems to a public blockchain (e.g. Ethereum)
- Solid knowledge of the Ethereum Virtual Machine (EVM).
- Passion for blockchain technology and Celo's mission
- Experience working with cloud-based platforms including AWS, Azure, or Google Cloud Platform
- Experience with CI/CD pipelines and the Software Development Life Cycle (SDLC)
- BONUS: low-level working experience.
- BONUS: You have experience working with third party smart contract auditors such as OpenZeppelin, Certora
- BONUS: You have worked on a smart contract system that have processed high dollar volume amount
- BONUS: You have knowledge of past and common smart contract exploits and know how to avoid them
cLabs ("Celo Labs") started Celo in 2017 and is one of many contributors to the open source project Celo. cLabs builds financial technology to enable prosperity of all beings.
To build technology and products that are used and loved by people and solve real-world problems, we need to build a team with many different perspectives and experiences. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We encourage candidates from all backgrounds to apply and always consider qualified applicants with arrest and conviction records, in accordance with the San Francisco Fair Chance Ordinance.
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At cLabs, we’re on an exciting journey to redefine how the world interacts with money, and we need a Senior Smart Contracts Engineer to join our innovative Contracts Team! Based remotely from Berlin, you’ll play a pivotal role in designing and developing core smart contracts for the Celo ecosystem, a revolutionary Layer 1 blockchain transitioning to Layer 2 on Ethereum. Your daily routine will involve writing production-level code in Solidity and Typescript, collaborating closely with various key stakeholders like Celo Validators and Developers to gather requirements, and ensuring that our smart contracts are robust and secure through collaboration with third-party auditors. You’ll be at the forefront of creating decentralized solutions that enable financial access for everyone, enjoying the opportunity to influence Celo's governance, proof of stake mechanisms, and identity systems. Our ideal candidate is a passionate coder with at least four years in software engineering, including a solid grasp of JavaScript and Typescript, plus familiarity with Solidity and development frameworks. Being part of cLabs means you’ll work in an inclusive environment where diverse perspectives are valued, helping us build technology that empowers individuals worldwide. If you’re keen on blockchain tech and eager to make a difference, we’d love to hear from you!
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