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Blockchain Developer Jobs in California (NOW HIRING)

Harmony

Blockchain Engineer

Palo Alto, CA · On-site

... and developer are shaping the future with 10X impact. Harmony is a community-driven project, a ... Building a blockchain is like jumping off the cliff while assembling the plane engine on the fly ...

Harmony

Network Engineer

Palo Alto, CA · On-site

Blockchain Developer Harmony is an open blockchain with data sharding and fast finality. Social games and community AI can use our onchain tokens for micro-payments, smart contracts for market ...

Harmony

Blockchain Engineer

Palo Alto, CA · On-site

... and developer are shaping the future with 10X impact. Harmony is a community-driven project, a ... Building a blockchain is like jumping off the cliff while assembling the plane engine on the fly ...

Harmony

Blockchain Engineer

Palo Alto, CA · On-site

... and developer are shaping the future with 10X impact. Harmony is a community-driven project, a ... Building a blockchain is like jumping off the cliff while assembling the plane engine on the fly ...

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Blockchain Developer information

See California salary details

$47.4K

$110.4K

$163.8K

How much do blockchain developer jobs pay per year?

As of Jun 4, 2026, the average yearly pay for blockchain developer in California is $110,380.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,800.00 and $128,300.00 per year, depending on experience, location, and employer.

What Does a Blockchain Developer Do?

A blockchain is a digital, public transaction record or digital ledger. People usually associate it with the cryptocurrency Bitcoin, but blockchain technology can also record digital transactions with other cryptocurrencies, data, or information. Unlike other forms of finance, cryptocurrencies that rely on the blockchain are decentralized, so people can access Bitcoin and other digital currencies without going to a bank. Computer experts and cryptographers are developing additional ways to use blockchain technology, such as for trade and healthcare records.

What are the key skills and qualifications needed to thrive as a Blockchain Developer, and why are they important?

A Blockchain Developer should possess strong programming skills (such as in Solidity, JavaScript, or Python), a solid understanding of cryptography, and experience with distributed ledger technologies, typically backed by a degree in computer science or a related field. Familiarity with blockchain platforms (like Ethereum or Hyperledger), smart contract development, and relevant certifications (such as Certified Blockchain Developer) are highly beneficial. Attention to detail, problem-solving ability, and effective collaboration are standout soft skills in this role. These competencies enable developers to build secure, reliable, and innovative blockchain solutions that meet complex business and technical requirements.

What are some common challenges Blockchain Developers face when integrating blockchain solutions with existing enterprise systems?

Blockchain Developers often encounter challenges when integrating blockchain solutions with legacy enterprise systems, such as ensuring interoperability between different technologies, managing data consistency, and addressing scalability concerns. Additionally, developers must navigate security protocols and compliance requirements unique to blockchain while collaborating closely with IT, security, and business teams. Adapting smart contracts to fit existing workflows and ensuring seamless user experiences require both technical expertise and effective communication across departments.

What are Blockchain Developers?

Blockchain Developers are professionals who design, build, and maintain decentralized applications and smart contracts using blockchain technology. They work with various blockchain platforms like Ethereum, Hyperledger, or Solana to create secure and transparent systems for industries such as finance, supply chain, and healthcare. Their responsibilities include developing protocols, writing code for smart contracts, and ensuring the security and integrity of blockchain networks.

What is the difference between Blockchain Developer vs Blockchain Engineer?

AspectBlockchain DeveloperBlockchain Engineer
Primary FocusDeveloping blockchain applications and smart contractsDesigning and building blockchain infrastructure and networks
Skills & CertificationsProficiency in Solidity, JavaScript, cryptography; certifications like Certified Blockchain DeveloperKnowledge of distributed systems, network architecture; certifications like Certified Blockchain Engineer
Work EnvironmentSoftware development teams, startups, fintech companiesBlockchain infrastructure projects, enterprise solutions, network setup
Industry UsageApplication development in finance, supply chain, healthcareBuilding blockchain platforms, maintaining networks, security

While both roles involve blockchain technology, Blockchain Developers focus on creating applications and smart contracts, whereas Blockchain Engineers design and maintain the underlying blockchain infrastructure. The roles often overlap but differ in scope and technical emphasis.

More about Blockchain Developer jobs
What are the most commonly searched types of Blockchain Developer jobs in California? The most popular types of Blockchain Developer jobs in California are:
What are popular job titles related to Blockchain Developer jobs in California? For Blockchain Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Blockchain Developer jobs in California look for? The top searched job categories for Blockchain Developer jobs in California are:
What cities in California are hiring for Blockchain Developer jobs? Cities in California with the most Blockchain Developer job openings:
Blockchain Developer jobs near you
Infographic showing various Blockchain Developer job openings in California as of May 2026, with employment types broken down into 1% Internship, 28% Full Time, 13% Part Time, 1% Temporary, and 57% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $110,380 per year, or $53.1 per hour.
Blockchain Engineer

Blockchain Engineer

Harmony

Palo Alto, CA • On-site

Other

Posted 13 days ago

Job description

Harmony is an open blockchain with data sharding and fast finality. Social games and community AI can use our onchain tokens for micro-payments, smart contracts for market pricing, and zero-knowledge proofs for data privacy.

Harmony's mission is to scale trust and create a radically fair economy. Our platform is decentralized, scalable and secure to settle any transactions without trusted parties.

 Building a (Rocket)Ship
We are a Day-1 startup. Blockchains are becoming the foundation of the global economy, yet their adoption is at only 1%. That means that you as a pioneer and developer are shaping the future with 10X impact. Harmony is a community-driven project, a network with hundreds of applications, and a team wearing crazy ambitions on their sleeves. Because the invincible summer awaits!

For engineers, we value your deep understanding of how bytes work. You are a tool maker, a system hacker, and a math nerd all in ONE. Your typical day involves prototyping a top-conference research paper, debugging and profiling in hexdecimal, or writing updates to coordinate asynchronously with tens of engineers in the open. Building a blockchain is like jumping off the cliff while assembling the plane engine on the fly - but, if you can thrive in chaos, why NOT?

For creatives, we approve your obsession with user experience. You are a product designer, a brand manager, and an industry analyst all in ONE. Your typical day involves studying what delights and what hurts through hard metrics, writing long-form narratives on the why's and the do's, or scrumming tasks for a product launch to iterate with millions of users. Building a community is like sharing your blue heart while keeping the culture alive for decades - but, if this is your dream of 50 years, start NOW?

 See our project vision on Social A(G)I and Shard 1.
Responsibilities
  • Develop a blockchain with high security, scalability and decentralization.
  • Operate a network of 1000 nodes and $500M assets in open development.
  • Optimize 100M requests per second at $250K monthly operational cost.
Requirements
  • Bachelor degree in computer science - specializing in kernel, data structures or compilers.
  • 5 to 10 years of working experience including 1 year of startup experience.
  • 60-hour work week, daily 4-hour overlap with Pacific Time.
  • Exceptional communication and people skills.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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