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Junior Web3 Developer Jobs in Colorado (NOW HIRING)

UseBlocky

Senior Blockchain Engineer

Almont, CO · On-site +1

$157K - $178K/yr

About UseBlocky UseBlocky is a global technology company specializing in Blockchain, Web3, AI, and ... Conduct code reviews and mentor junior engineers. * Stay current with emerging blockchain ...

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Junior Web3 Developer information

See Colorado salary details

$25.2K

$93.6K

$144.6K

How much do junior web3 developer jobs pay per year?

As of Jul 15, 2026, the average yearly pay for junior web3 developer in Colorado is $93,559.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,500.00 and $91,500.00 per year, depending on experience, location, and employer.

What is a Junior Web3 Developer job?

A Junior Web3 Developer is an entry-level programmer who builds and maintains decentralized applications (dApps) using blockchain technologies. They typically work with smart contracts, cryptocurrencies, and Web3 frameworks like Ethereum, Solidity, and IPFS. Their responsibilities include writing and testing smart contracts, integrating blockchain with front-end applications, and troubleshooting decentralized systems. Junior Web3 Developers often collaborate with senior developers and gain experience in decentralized finance (DeFi), NFTs, and other blockchain-based solutions.

What does a typical workday look like for a Junior Web3 Developer?

As a Junior Web3 Developer, your day often involves writing and testing smart contracts, collaborating with team members during code reviews, and integrating blockchain functionality into web applications. You’ll attend stand-up meetings to discuss progress and roadblocks, and may also research new technical solutions or audit code for security vulnerabilities. You’ll work closely with senior developers, product managers, and sometimes UI/UX designers to ensure projects meet functional and user-experience goals. This role is hands-on and collaborative, giving you plenty of opportunities to learn from experienced colleagues and contribute your ideas to innovative projects.

What are the key skills and qualifications needed to thrive in the Junior Web3 Developer position, and why are they important?

To thrive as a Junior Web3 Developer, you need a solid understanding of JavaScript, blockchain fundamentals, and smart contract development, often supported by a degree in computer science or related experience. Experience with tools like Solidity, Ethereum, web3.js, and distributed version control systems such as Git is typically required. Problem-solving, collaboration, and eagerness to learn emerging technologies are valuable soft skills for this role. These abilities are essential for effectively building decentralized applications, keeping pace with rapid technological advancements, and succeeding as part of a highly dynamic development team.

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Junior Web3 Developer jobs near you

Senior Blockchain Engineer

UseBlocky

Almont, CO • On-site, Remote

$157K - $178K/yr

Full-time

Re-posted 3 days ago

Job description

About UseBlocky

UseBlocky is a global technology company specializing in Blockchain, Web3, AI, and custom software development. Founded in 2020, the company helps startups, enterprises, and SMBs build innovative digital products, including decentralized applications (dApps), smart contracts, crypto platforms, mobile applications, and scalable web solutions. UseBlocky combines deep technical expertise with a remote-first culture, empowering teams to deliver cutting-edge products across industries such as fintech, blockchain gaming, DeFi, and emerging technologies. The company is committed to innovation, continuous learning, and creating impactful solutions that shape the future of digital experiences.

About the Role

We are looking for a highly skilled Senior Blockchain Engineer to join our engineering team and help design, build, and scale secure blockchain-based products. The ideal candidate has strong experience in smart contract development, blockchain protocols, decentralized applications, and backend systems.

You will work closely with product, engineering, and security teams to develop robust Web3 solutions, contribute to technical architecture, and ensure our blockchain infrastructure is secure, scalable, and reliable.

Key Responsibilities
  • Design, develop, test, and deploy smart contracts and blockchain-based applications.
  • Build and maintain decentralized applications, blockchain integrations, and backend services.
  • Work with blockchain networks such as Ethereum, Polygon, Solana, BNB Chain, Avalanche, or similar ecosystems.
  • Review and optimize smart contracts for security, gas efficiency, and performance.
  • Collaborate with frontend, backend, product, and security teams to deliver high-quality Web3 products.
  • Participate in architecture decisions and contribute to technical strategy.
  • Integrate wallets, token standards, DeFi protocols, NFTs, DAOs, or other blockchain infrastructure as needed.
  • Write clean, maintainable, well-documented code.
  • Conduct code reviews and mentor junior engineers.
  • Stay current with emerging blockchain technologies, security standards, and industry best practices.
Required Qualifications
  • 5+ years of professional software engineering experience.
  • 3+ years of hands-on blockchain or Web3 development experience.
  • Strong experience with Solidity, Rust, Go, or other blockchain-related programming languages.
  • Experience developing and deploying smart contracts on mainnet or testnet environments.
  • Strong understanding of blockchain concepts, including consensus mechanisms, wallets, private keys, transactions, gas fees, bridges, and token standards.
  • Experience with frameworks and tools such as Hardhat, Foundry, Truffle, Web3.js, Ethers.js, Anchor, or similar.
  • Solid backend development experience using Node.js, TypeScript, Go, Python, or similar technologies.
  • Strong understanding of security best practices for smart contracts and decentralized systems.
  • Experience with Git, CI/CD workflows, APIs, databases, and cloud infrastructure.
  • Excellent problem-solving, communication, and teamwork skills.
Nice to Have
  • Experience with DeFi, staking, tokenomics, NFT platforms, Layer 2 solutions, or cross-chain protocols.
  • Familiarity with smart contract audits and formal verification.
  • Open-source contributions in the blockchain or Web3 ecosystem.
  • Experience with indexing tools such as The Graph.
  • Knowledge of zero-knowledge proofs, account abstraction, MEV, or rollup technologies.
  • Previous experience working in a startup or fast-paced product environment.
What We Offer
  • Competitive salary and performance-based incentives.
  • Flexible working environment.
  • Opportunity to work on innovative blockchain and Web3 products.
  • Collaborative and growth-focused team culture.
  • Professional development and learning opportunities.
  • The chance to make a meaningful impact in a rapidly growing industry.
How to Apply

Please submit your resume, GitHub profile, portfolio, or examples of previous blockchain projects. We would love to hear about smart contracts, protocols, or Web3 applications you have built or contributed to.

Join us and help build the future of decentralized technology.