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Smart Contract Engineer Jobs in California (NOW HIRING)

Smart Contract Development * Experience with EVM smart contract development using Solidity ... years of backend engineering experience preferred * Comfortable with taking ownership of the ...

Semiotic Labs - Rust Engineer

San Francisco, CA · On-site +1

$67.75 - $91/hr

Work closely with smart contract engineers to ensure seamless on-chain integration (mainly on L2s like Arbitrum). * Write clean, testable, and efficient code with a focus on security and correctness.

Designing, implementing, and maintaining scalable and secure smart contracts on EVM-based blockchains * Collaborating with cross-functional teams, including AI/ML engineers, product managers, and ...

They are seeking a Software Engineer to develop user interfaces for DeFi applications, ensure smart contract integration, and optimize app performance based on community feedback. Responsibilities ...

They are seeking a Software Engineer to develop user interfaces for DeFi applications, ensure seamless integration of smart contracts and wallets, and optimize app performance based on community ...

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Smart Contract Engineer information

See California salary details

$37.5K

$114.3K

$189K

How much do smart contract engineer jobs pay per year?

As of Jul 27, 2026, the average yearly pay for smart contract engineer in California is $114,347.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,900.00 and $149,500.00 per year, depending on experience, location, and employer.

What are some common challenges Smart Contract Engineers face when ensuring contract security?

Smart Contract Engineers often encounter challenges related to identifying and mitigating vulnerabilities such as reentrancy attacks, integer overflows, and unauthorized access. Since smart contracts are immutable once deployed, engineers must rigorously test and audit their code to prevent costly errors or exploits. Collaborating with auditors, using established security frameworks, and staying updated on the latest security threats are essential practices to maintain robust and secure smart contracts.

What is the difference between Smart Contract Engineer vs Blockchain Developer?

AspectSmart Contract EngineerBlockchain Developer
CredentialsKnowledge of blockchain platforms, Solidity, cryptographyBroader programming skills, blockchain fundamentals
Work EnvironmentFocus on smart contract coding, testing, deploymentDeveloping blockchain applications, protocols
Industry UsagePrimarily in DeFi, NFT, and dApp projectsWide range including wallets, exchanges, dApps
Search IntentComparing smart contract roles, coding specificsBroader blockchain development roles

While both roles work within the blockchain industry, a Smart Contract Engineer specializes in designing, coding, and deploying smart contracts on blockchain platforms. A Blockchain Developer has a broader scope, including developing entire blockchain applications and protocols. The Smart Contract Engineer's focus is more technical and contract-specific, whereas the Blockchain Developer's role encompasses a wider range of blockchain solutions.

What is a Smart Contract Engineer?

A Smart Contract Engineer is a software developer who specializes in designing, developing, testing, and deploying smart contracts on blockchain platforms such as Ethereum. These professionals write code—often in languages like Solidity or Vyper—that runs autonomously on the blockchain and governs transactions or agreements without the need for intermediaries. They also focus on security, auditing, and optimizing smart contract performance to prevent vulnerabilities. Smart Contract Engineers typically collaborate with blockchain architects, front-end developers, and project managers to build decentralized applications (dApps).

What are the key skills and qualifications needed to thrive as a Smart Contract Engineer, and why are they important?

To thrive as a Smart Contract Engineer, you need strong proficiency in blockchain fundamentals, programming languages like Solidity or Vyper, and a solid understanding of cryptographic principles, usually backed by a degree in computer science or related experience. Familiarity with blockchain development frameworks (e.g., Truffle, Hardhat), version control (Git), and security auditing tools is essential. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills for this role. These skills ensure the development of secure, efficient, and reliable smart contracts that underpin decentralized applications and financial systems.
What are popular job titles related to Smart Contract Engineer jobs in California? For Smart Contract Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Smart Contract Engineer jobs in California look for? The top searched job categories for Smart Contract Engineer jobs in California are:
What cities in California are hiring for Smart Contract Engineer jobs? Cities in California with the most Smart Contract Engineer job openings:
Infographic showing various Smart Contract Engineer job openings in California as of July 2026, with employment types broken down into 61% Full Time, 21% Part Time, 1% Temporary, and 17% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution, with an average salary of $114,347 per year, or $55 per hour.
Smart Contract Engineer Remote (DeFi)

Smart Contract Engineer Remote (DeFi)

Turnblock.io

Mountain View, CA • Remote

$120K - $300K/yr

Full-time

Posted 25 days ago


Job description

We are looking for an exceptional Remote Smart Contract Engineer for one of our clients.
Our client is building an app that is the best place to save and spend your dollars. They combine high-yield savings with rewarded spending in a single, compounding balance that's easy to manage. Soon the app will let you pay your bills and put your financial life on autopilot. And through all of this — unlike every other fintech company — they don't skim from you.

As a Smart Contract Engineer you will:

  • Be integral to implementing novel economic systems built on top of Ethereum.
  • Work regularly with security auditors and external contributors to document and upgrade code.
  • Support and maintain an active test economy, as well as integrations with partner protocols.
  • Act as a primary contributor to the tech community, evaluating and implementing upgrade proposals.
  • Ensure smart contracts track state of the art by evaluating new DeFi protocols, EIPs, Layer 1 and Layer 2 mechanisms, etc.

We’re looking for you if:

  • You’re drawn to the hardest problems with the greatest potential impact.
  • You combine strong CS/Software Engineering fundamentals with a strong background in math and security.
  • You have knowledge of cryptography fundamentals and independent interest in economics.
  • You fail fast, prioritize tests, and you’re comfortable up and down the software stack.
100% remote role for any location USA or Europe.
If you think you fit the description please apply.