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Blockchain Startup Jobs in California (NOW HIRING)

Harmony

Blockchain Engineer

Palo Alto, CA

... startup. Blockchains are becoming the foundation of the global economy, yet their adoption is at ... Building a blockchain is like jumping off the cliff while assembling the plane engine on the fly ...

Harmony

Blockchain Engineer

Palo Alto, CA

Building a (Rocket)Ship We are a Day-1 startup. Blockchains are becoming the foundation of the ... 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

Building a (Rocket)Ship We are a Day-1 startup. Blockchains are becoming the foundation of the ... Building a blockchain is like jumping off the cliff while assembling the plane engine on the fly ...

D3

Solana Blockchain Engineer

Los Angeles, CA

... fast-paced startup environment. * Excellent communication and collaboration skills, with the ... Have prior experience maintaining or creating blockchain oracles. Why D3, Why Now? Ground-Floor ...

Halliday

Senior Frontend Engineer

San Francisco, CA · On-site

$144K - $198K/yr

... blockchain SDKs, payment APIs, or emerging web standards. • You work well with cross-functional teams, communicate effectively, and thrive in a fast-paced startup environment. • Based in or ...

Halliday

Senior Frontend Engineer

San Francisco, CA · On-site

$144K - $198K/yr

... blockchain SDKs, payment APIs, or emerging web standards. • You work well with cross-functional teams, communicate effectively, and thrive in a fast-paced startup environment. • Based in or ...

Ripple

Director, Ecosystem Growth

San Francisco, CA · On-site

Experience enabling developer programs, accelerators, startup support, and community building at scale * Director-level experience with strategic decision-making authority * Deep crypto/blockchain ...

Unto Labs

GTM / Marketing

San Francisco, CA · On-site

$181K/yr

Comfortable working in a fast-paced, dynamic startup environment Nice to Have * Experience with video production, design, or multimedia storytelling * Familiarity with blockchain, crypto, or ...

Harmony

Network Engineer

Palo Alto, CA · On-site +1

Harmony is an open blockchain with data sharding and fast finality. Social games and community AI ... Building a (Rocket)Ship We are a Day-1 startup. Blockchains are becoming the foundation of the ...

Harmony

Network Engineer

Palo Alto, CA

Harmony is an open blockchain with data sharding and fast finality. Social games and community AI ... Building a (Rocket)Ship We are a Day-1 startup. Blockchains are becoming the foundation of the ...

Harmony

Systems Engineer

Palo Alto, CA · On-site +1

Harmony is an open blockchain with data sharding and fast finality. Social games and community AI ... Building a (Rocket)Ship We are a Day-1 startup. Blockchains are becoming the foundation of the ...

Harmony

Systems Engineer

Palo Alto, CA

Harmony is an open blockchain with data sharding and fast finality. Social games and community AI ... Building a (Rocket)Ship We are a Day-1 startup. Blockchains are becoming the foundation of the ...

TRU

... Blockchain. Queremos que seas parte de nuestro equipo y nos ayudes a seguir creando #confianza digital! Unete a esta Startup, en donde la # innovacion, el #impactosocial, la buena #vibra, trabajo ...

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Blockchain Startup information

See California salary details

$49.3K

$158.8K

$268.4K

How much do blockchain startup jobs pay per year?

As of Jun 28, 2026, the average yearly pay for blockchain startup in California is $158,784.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,200.00 and $209,700.00 per year, depending on experience, location, and employer.

What is a Blockchain Startup job?

A Blockchain Startup job involves working at an early-stage company focused on building blockchain-based products or services. Roles can vary from engineering and development to marketing, operations, and business strategy. Employees often wear multiple hats, contributing to product innovation, fundraising efforts, and community growth. These jobs require adaptability, technical or industry expertise, and a passion for decentralized technologies.

What are some of the primary challenges faced when working at a blockchain startup?

Working at a blockchain startup often involves adapting to rapid technological changes and navigating shifts in regulatory environments. You may encounter challenges like developing new protocols, ensuring application security, and scaling solutions in a market that is both innovative and volatile. Collaboration is key, as teams are typically small and interdisciplinary, requiring flexibility and strong communication. Embracing a learning mindset helps you stay ahead in this evolving field, and proactive problem-solving is highly valued by both peers and leadership.

What are the key skills and qualifications needed to thrive in the Blockchain Startup position, and why are they important?

To thrive at a Blockchain Startup, you need a strong understanding of blockchain technology, smart contracts, and decentralized applications, typically supported by experience in software engineering, cryptography, or related fields. Familiarity with tools like Solidity, Ethereum, Hyperledger, and relevant certifications such as Certified Blockchain Developer are highly valuable. Strong entrepreneurial mindset, adaptability, and collaborative communication skills set candidates apart in this fast-paced environment. These abilities are vital because they enable you to navigate emerging technologies, rapidly evolving business models, and dynamic team structures.

What are popular job titles related to Blockchain Startup jobs in California? For Blockchain Startup jobs in California, the most frequently searched job titles are:
What job categories do people searching Blockchain Startup jobs in California look for? The top searched job categories for Blockchain Startup jobs in California are:
What cities in California are hiring for Blockchain Startup jobs? Cities in California with the most Blockchain Startup job openings:
Blockchain Startup jobs near you
Infographic showing various Blockchain Startup job openings in California as of June 2026, with employment types broken down into 90% Full Time, 7% Part Time, 1% Temporary, and 2% Contract. Highlights an 83% Physical, 3% Hybrid, and 14% Remote job distribution, with an average salary of $158,784 per year, or $76.3 per hour.
Blockchain Engineer

Blockchain Engineer

Harmony

Palo Alto, CA

Full-time

Posted 6 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.

\uD83D\uDE80 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?

\uD83D\uDC99 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 and identifying potential inconsistencies or verification signals in application materials based on available information. 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.