[Base](https://base.org/) is planning to bring a million developers and a billion users onchain. We need your help to make that happen. We believe that the onchain platform is the most important builder platform since the internet (“online”). We believe that the onchain platform should be open source, free to use, and globally available. And we believe that in order to make it really work, we need all hands on deck, working together to scale in a secure, decentralized, easy-to-use way. Base is incubated within Coinbase and plans to progressively decentralize in the years ahead. We believe that decentralization is critical to creating an open, global crypto economy that is accessible to everyone. Base is built on Optimism’s open-source OP Stack. We’re joining as the second Core Dev team working on the OP Stack to ensure it’s a public good available to everyone; and contributing a portion of sequencer revenue to funding public goods. We are looking for a strong *Smart Contract Engineer* to join the Base team to help us continue scaling in order to pave the way for billions of people coming onchain. *What you'll do*: * Architect and build secure smart contract protocols and backend services to connect Coinbase users with the crypto ecosystem * Drive standardization in crypto protocols by designing and defining interfaces * Work closely with the Base leadership and product team to set our onchain strategy and roadmaps * Mentor and train other team members on smart contract engineering best practices *What we look for in you*: * 2+ year Experience with Solidity and smart contract development * 3+ year Experience with backend/client side development * Deep understanding of smart contract best practices and current industry patterns * Extensive experience with crypto (Ethereum, DeFi etc.) * Interest and passion for contributing to the crypto ecosystem * Interest and passion for building secure, robust, scalable infrastructure *Nice to haves*: * Experience with Go * Experience with zero-knowledge technology * Contributions to open source crypto projects * Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services. Job #: GBSCE05US *Answers to crypto-related questions may be used to evaluate your onchain experience *Pay Transparency Notice:* Depending on your work location, the target annual salary for this position can range as detailed below. Full time offers from Coinbase also include target bonus + benefits (including medical, dental, vision and 401(k)). Pay Range: $186,065—$218,900 USD Please be advised that each candidate may submit a maximum of four applications within any 30-day period. We encourage you to carefully evaluate how your skills and interests align with Coinbase's roles before applying. Commitment to Equal Opportunity Coinbase is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law. For US applicants, you may view the [Employee Rights](https://www.dol.gov/sites/dolgov/files/WHD/legacy/files/eppac.pdf) and the [Know Your Rights notices](https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12.pdf) by clicking on their corresponding links. Additionally, Coinbase participates in the [E-Verify program](https://static-assets.coinbase.com/e-verify.pdf) in certain locations, as required by law. Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations[at]coinbase.com to let us know the nature of your request and your contact information. For quick access to screen reading technology compatible with this site[ click here to download](https://chrome.google.com/webstore/detail/chromevox/kgejglhpjiefppelpmljglcjbhoiplfn) a free compatible screen reader[ (free step by step tutorial can be found here)](http://www.chromevox.com/tutorial/). Global Data Privacy Notice for Job Candidates and Applicants Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available [here](https://www.coinbase.com/legal/applicant\_privacy\_notice). By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined [here.](https://www.coinbase.com/legal/application-arbitration-agreement) AI Disclosure For select roles, Coinbase is piloting an AI tool based on machine learning technologies to conduct initial screening interviews to qualified applicants. The tool simulates realistic interview scenarios and engages in dynamic conversation. A human recruiter will review your interview responses, provided in the form of a voice recording and/or transcript, to assess them against the qualifications and characteristics outlined in the job description. For select roles, Coinbase is also piloting an AI interview intelligence platform to transcribe and summarize interview notes, allowing our interviewers to fully focus on you as the candidate. *The above pilots are for testing purposes and Coinbase will not use AI to make decisions impacting employment*. To request a reasonable accommodation due to disability, please contact [accommodations@coinbase.com](mailto:accommodations@coinbase.com).