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 ISO 9001 Certified | 400+ students | Learn more | by Metana | ||
Figuređź“Ť Remote | $227k - $341k | |||
Bitpandađź“Ť Remote | $114k - $148k | |||
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Okxđź“Ť Remote | $126k - $144k | |||
Gsrmarketsđź“Ť Remote | $64k - $100k | |||
asymmetric.ređź“Ť Remote | $87k - $148k | |||
Coppercođź“Ť Remote | $83k - $150k | |||
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Capital markets are undergoing a fundamental shift. Assets that live in fragmented systems and manual workflows are moving onto blockchains -systems designed to move and store value more transparently and efficiently.
While this unlocks more open and programmable financial systems, it also introduces significant complexity. For most users, interacting with this new infrastructure is still too difficult.
Fun builds the infrastructure that powers consumer-facing fintech applications - handling onboarding, account access, and money movement so users can interact with blockchain-based systems as seamlessly as they do with traditional finance.
For fintech builders, Fun provides a best-in-class onboarding and deposit stack that drives conversion and unlocks user growth. We operate at the intersection of financial infrastructure, complex engineering, and product experience.
Role Overview
We're looking for a Protocol Engineer to join our core blockchain team and help build the foundation of Web3 payments infrastructure. This high-impact role offers the opportunity to work on challenging technical problems at the intersection of smart contracts, cross-chain protocols, and decentralized finance.
You will design and implement secure, efficient smart contract systems and blockchain integrations that power millions of transactions across multiple chains. This role is perfect for a technically strong engineer who thrives in fast-paced environments and wants to shape the future of decentralized finance.
Responsibilities
- Design, develop, and deploy secure smart contracts and protocol implementations across multiple blockchain platforms
- Collaborate with backend and product teams to architect blockchain solutions that meet business requirements
- Write highly efficient, well-tested code and participate in security audits to ensure protocol safety
- Research and evaluate new blockchain technologies, protocols, and DeFi primitives for integration opportunities
- Contribute to incident response and debugging on-chain issues to ensure protocol reliability
- Strong experience building and deploying production smart contracts on major blockchain platforms
- Deep understanding of blockchain architecture, consensus mechanisms, and cryptographic principles
- Hands-on experience with smart contract development languages (Solidity, Rust, Move, etc.)
- Solid grasp of DeFi protocols, token standards, and cross-chain communication patterns
- Strong security mindset with knowledge of common smart contract vulnerabilities and best practices
- Clear communicator who can explain complex blockchain concepts to cross-functional teams
- Production experience with multiple blockchain ecosystems (Ethereum, Solana, L2s, etc.)
- Previously worked at crypto startup or Web3 infrastructure company
- Experience with cross-chain bridges, oracles, or interoperability protocols
- Background with high-volume DeFi protocols or DEX infrastructure
- Contributions to blockchain open source projects or protocol research
- Experience with formal verification or advanced smart contract testing frameworks
How do I get a job at DeFi?
Getting a job in the DeFi (decentralized finance) industry can be a competitive process, but there are a few steps you can take to increase your chances of finding a job in this field:
- Build up your skills and knowledge: To work in DeFi, you'll likely need to have a strong understanding of blockchain technology, as well as other related technologies such as smart contracts and cryptocurrency. Consider taking online courses or earning a degree in a relevant field to build up your skills and knowledge.
- Network with industry professionals: Attend meetups and conferences related to DeFi and make connections with professionals in the industry. Networking can be a valuable way to learn about job openings and get your foot in the door at a DeFi company.
- Create a strong online presence: Many DeFi companies will look at your online presence (such as your LinkedIn profile and personal website) when considering you for a job. Make sure to showcase your skills and accomplishments online and keep your profile up to date.
- Apply for relevant job openings: Keep an eye out for job openings at DeFi companies and apply for positions that align with your skills and experience. Apply for DeFi Jobs without Experience. Tailor your resume and cover letter to the specific job you're applying for and highlight any relevant experience or skills you have.
- Consider internships or volunteer work: DeFi Internships or volunteer work can be a great way to get your foot in the door and gain valuable experience in the DeFi industry. Many companies also offer internships to students, so consider applying for an internship if you're still in school.
- Be persistent: keep trying if you don't get a job right away. It can take time to find the right opportunity, but with the right skills and determination, you can land a job in the DeFi industry.