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Blockchain Or Web3 Solidity Defi Developer Engineer Jobs

De Circle

Odos - Backend Engineer

San Francisco, CA · On-site +1

Experience with EVM smart contract development using Solidity * Libraries for interacting with ... in DeFi or other crypto protocols * Experience with Web3 specific libraries and blockchain data ...

D3

Frontend Engineer - New Grad

Los Angeles, CA · On-site

This is a great opportunity for recent graduates or junior engineers to gain hands-on experience in ... Interest in blockchain/Web3 technologies is a plus, but not required-you'll learn on the job.

M3BI

Blockchain Developer

Phoenix, AZ · On-site

Our ideal candidate has built and released distributed applications, has worked with the Ethereum and/or Bitcoin blockchain, and has solid experience with programming with Solidity. Qualifications ...

D3

Sr. Fullstack Engineer

Los Angeles, CA · On-site

... built blockchain for DomainFi --bringing domain tokenization and DeFi primitives to a massive ... Pluses * Smart contract development (Solidity). * Experience with React Native or mobile ...

Ergonia

DeFi Engineer

We're hiring a DeFi Engineer to help us expand to more chains, more protocols, and new trading ... Experience with low-level blockchain runtime or transaction-pipeline optimizations. * Experience ...

Sei

Backend Software Engineer - Incubations

New York, NY · On-site

... blockchain designed to scale with the industry. The unique optimizations built into Sei enable Web3 ... Experience with database management using SQL, NoSQL, or similar technologies * Experience with ...

fun.xyz

Backend Engineer

New York, NY

... or Web3 infrastructure company * Experience with blockchain integrations, smart contracts, or DeFi ... programmable money Work with bleeding-edge tech in a domain where innovation moves fast Join a ...

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How much do blockchain or web3 solidity defi developer engineer jobs pay per year?

As of Jun 7, 2026, the average yearly pay for blockchain or web3 solidity defi developer engineer in the United States is $111,632.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,500.00 and $132,500.00 per year, depending on experience, location, and employer.

What is the difference between Blockchain Or Web3 Solidity Defi Developer Engineer vs Blockchain Or Web3 Solidity Defi Developer Engineer?

AspectBlockchain Or Web3 Solidity Defi Developer Engineer

Since both titles are identical, there is no difference in roles, skills, or industry usage. They typically require knowledge of blockchain development, smart contracts, Solidity, and DeFi protocols, working in blockchain or crypto companies. Both roles focus on developing decentralized applications and smart contracts on blockchain platforms.

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Infographic showing various Blockchain Or Web3 Solidity Defi Developer Engineer job openings in the United States as of May 2026, with employment types broken down into 100% Contract. Highlights an 100% Remote job distribution, with an average salary of $111,632 per year, or $53.7 per hour.

Odos - Backend Engineer

De Circle

San Francisco, CA • On-site, Remote

Full-time

Posted 8 days ago

Job description

Odos (odos.xyz) is a smart order routing (SOR) solution that allows users to trade digital assets across decentralized exchanges. Launched in May 2022, Odos is available on 15 EVM chains and uses a patented algorithm to deliver the best swap rates to retail and institutional traders. Our multi-token swap feature allows users to trade many tokens in a single atomic transaction, and our newly launched intent based order types are leading the way in advancing the Web3 user experience. We are headquartered in Los Altos, CA (SF Bay Area).
About the Role:
We're looking for a dynamic, fast-paced individual who is excited to play a crucial role in a lean team as a core Backend and Smart Contract Engineer. This role will be responsible for building and updating core API microservices to support and maintain new and existing features. Will also involve interacting with and potentially designing database systems for indexing platform and blockchain data efficiently at large scale. Finally, this role will require working collaboratively with other engineers on the design and development of EVM smart contracts, with security and efficiency of the utmost importance.
Your Focus
  • Design, development, and deployment of new features to api.odos.xyz and various internal backend services
  • Support the development, auditing, and deployment of new and existing smart contracts for the Odos platform

Technical skills:
  • Python API microservice development, preferably in FastAPI
    • Poetry or similar for dependency management
    • Maintaining codebase style with Pylint / Mypy / Black / Isort or similar
    • Unit testing with Pytest
  • Databases
    • SQL relational database development (PostgreSQL preferred)
    • Redis for cache and volatile data storage
  • Smart Contract Development
    • Experience with EVM smart contract development using Solidity
    • Libraries for interacting with blockchain data, web3py preferred
    • Testing with Foundry or similar blockchain forking frameworks
  • Github
    • Planning tasks with github issues
    • Working with branches and pull requests
    • Automation of various CI/CD pipelines using Github Actions
  • AWS/Terraform
    • basic understanding of AWS services and terraform configs a plus
    • Orchestration of application deployment configs via ArgoCD or similar

What You Need:
  • 3+ years of backend engineering experience preferred
  • Comfortable with taking ownership of the planning and execution of production releases
  • Experience with high-intensity fast-moving teams or start-ups specifically
  • Creative and analytical problem-solving skills
  • Excellent communication skills to confidently and clearly articulate thoughts
  • Self-starter who proactively looks for opportunities to contribute to the team, and can work independently on deliverables

Bonus Points :
  • You have worked previously in DeFi or other crypto protocols
  • Experience with Web3 specific libraries and blockchain data APIs
  • You have database experience as well to support on other initiatives
  • Experience with API based payment platforms, such as Stripe

Apply