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Job Title – Solidity Engineer
Location:Remote (PST Time Preferred, So please look for people in California or close
to CA)
Team:Engineering – Smart Contracts
About the Role
Concrete is on a mission to redefine capital markets infrastructure through cutting-edge
on-chain derivatives and protocol architecture. We’re seeking a highly
experiencedSenior Solidity Engineer(orVP of Engineering, depending on seniority
fit) to join our remote-first team. This is a pivotal leadership role within our smart
contract engineering group, working alongside the Chief Protocol Officer, Engineering
Manager, and cross-functional product leaders to build next-generation EVM-based
DeFi infrastructure.
The team comes from established protocols, hedge funds, and market makers, and is
backed by Polychain, Van Eck, Binance, Selini, Hashed, and others.
Key Responsibilities
· Serve as one of the primary owners of Solidity development within a high-
performing team of 6 smart contract engineers.
· Architect, develop, and optimize secure, gas-efficient smart contracts powering
Concrete’s DeFi protocol.
· Contribute to protocol design, audits, and security reviews with deep technical
ownership.
· Collaborate with product and project managers to align technical deliverables
with roadmap priorities.
· Drive the evolution of Concrete’s on-chain architecture, with potential to scale
across multiple chains.
· Stay ahead of developments in the Ethereum ecosystem and contribute to open-
source efforts as relevant.
Requirements
· 3–4+ years of professional experience writing secure Solidity smart contracts.
· Proven engineering background within anEVM-based DeFi protocol.
· Strong understanding of smart contract testing, deployment frameworks, and
upgradeability patterns.
· Familiar with Solidity optimization, gas cost analysis, and safe architectural
practices.
Nice to haves
· Experience withcross-chain architectures, L2s, and bridging protocols.
· Technical familiarity withDeFi primitivessuch as vaults, lending markets,
interest rate modeling, and asset management.
· Prior leadership experience or desire to grow into a VP-level technical leadership
role.
Why Join Concrete
· Work with a tight-knit, world-class team shaping the future of decentralised
derivatives.
· Enjoy a fully remote culture with high trust, flexibility, and ownership.
· Competitive compensation+unlimited PTOand other flexible benefits.
Compensation & Package
Competitive compensation+unlimited PTOand other flexible benefits.
Interview Process
1.Founder / CEO Interview
2. Hiring Manager Interview
3. Final Interview
Hiring Criteria
3–4+ years of professional experience writing secure Solidity smart contracts &
Familiarity with Solidity optimisation, gas cost analysis, and safe architectural practices.
Proven engineering background within an EVM-based DeFi protocol.
Strong understanding of smart contract testing, deployment frameworks, and
upgradeability patterns.
Experience with cross-chain architectures, L2s, and bridging protocols is a nice to have.
Prior leadership experience or desire to grow into a VP-level technical leadership role.
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.