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Web Development Startup Jobs in Colorado (NOW HIRING)

UseBlocky

Senior Blockchain Engineer

Almont, CO · On-site +1

$157K - $178K/yr

... scalable web solutions. UseBlocky combines deep technical expertise with a remote-first culture ... The ideal candidate has strong experience in smart contract development, blockchain protocols ...

Infleqtion

Senior Software Engineer

Louisville, CO

$128K - $168K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to ... We are seeking a Senior Software Engineer to lead the development and productization of our ...

Infleqtion

Senior Software Engineer

Louisville, CO · On-site

$128K - $168K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to ... We are seeking a Senior Software Engineer to lead the development and productization of our ...

Infleqtion

Senior Software Engineer

Louisville, CO · On-site

$128K - $168K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to ... We are seeking a Senior Software Engineer to lead the development and productization of our ...

Red 6

Staff Software Test Engineer

Denver, CO · On-site

$160K - $180K/yr

Company Overview Red 6 is an innovative Augmented Reality (AR) technology startup leading the way ... Preferred / Additional Skills * Python development experience. * Experience testing web ...

Red 6

Senior Software Tester

Denver, CO · On-site

$140K - $160K/yr

Company Overview Red 6 is an innovative Augmented Reality (AR) technology startup leading the way ... Preferred / Additional Skills * Python development experience. * Experience testing web ...

CesiumAstro

RF Systems Architect

Westminster, CO

Experience in fast-paced, startup, or advanced development environments. CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated ...

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Web Development Startup information

What are some common challenges faced by web developers working in a startup environment?

Web developers in startups often encounter fast-paced work environments where priorities can shift quickly based on evolving business needs. They may be expected to take on a wide range of responsibilities, from front-end UI implementation to back-end integrations, and sometimes even DevOps tasks. Resource constraints and tight deadlines are common, requiring adaptability, strong problem-solving skills, and effective communication with cross-functional teams such as designers and product managers. However, these challenges also offer valuable opportunities for rapid skill growth and increased ownership over projects.

What is a web development startup?

A web development startup is a new business that focuses on creating and maintaining websites or web applications for clients or users. These startups typically offer services such as designing, coding, and optimizing websites, as well as developing custom web-based solutions. They often use modern technologies and frameworks to deliver innovative, scalable, and user-friendly products. Web development startups can range from small teams to larger companies, and they may work with businesses of all sizes to help establish or improve their online presence.

What are the key skills and qualifications needed to thrive in a web development startup, and why are they important?

To thrive in a web development startup, you need strong programming skills in languages like JavaScript, HTML, and CSS, along with a solid understanding of responsive design and web frameworks. Familiarity with tools such as Git, cloud platforms (e.g., AWS), and popular frameworks like React or Node.js is typically required. Creativity, problem-solving, adaptability, and teamwork are crucial soft skills that help navigate the fast-paced and constantly evolving startup environment. These skills and qualities are essential for building innovative solutions, collaborating effectively, and driving the success of the startup.
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Web Development Startup jobs near you

Senior Blockchain Engineer

UseBlocky

Almont, CO • On-site, Remote

$157K - $178K/yr

Full-time

Posted 17 days ago

Key responsibilities

  • Design, develop, test, and deploy smart contracts and blockchain-based applications.

  • Build and maintain decentralized applications, blockchain integrations, and backend services.

  • Review and optimize smart contracts for security, gas efficiency, and performance.

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.