Frontend Engineer (Contract)

Insomnia Labs

Not Specified, United States Full-time in I.T. & Communications
    • Job ID 1491008

    Job Description

    Company Overview: We are an innovative company at the forefront of the web3 ecosystem, developing novel solutions that bring real value and tangible use cases to our clients. With a focus on blockchain technology and decentralized applications, we empower individuals and organizations to leverage the power of the decentralized web, revolutionizing industries and driving meaningful change.

    Job Description:

    As a Frontend Engineer, you will play a crucial role in designing, developing, and maintaining our web applications using Next.js, Material UI, and Web3 technologies. You will collaborate with a multidisciplinary team of designers, developers, and blockchain experts to create intuitive and seamless user experiences for our decentralized applications. In addition to Next.js and Material UI, a strong understanding of Web3, Ethereum Virtual Machine (EVM), and optionally Solana and Near blockchain ecosystems.

    This is a 3-6 month contract, with the possibility to continue longer. If you are a skilled Frontend Dev looking for an opportunity in the web3 space, here’s your chance!

    Key Responsibilities:

    1. Frontend Development:

    • Develop responsive and performant frontend applications using Next.js, Tailwind CSS, and Material UI, ensuring high-quality code and adherence to best practices.
    • Collaborate closely with UX/UI designers to bring their concepts to life, ensuring pixel-perfect implementation.
    • Implement efficient and maintainable code following best practices and coding standards.
    • Demonstrate a core understanding of frontend development principles and the ability to develop using vanilla JavaScript when necessary, ensuring compatibility and performance across different browsers and environments.

    2. Web3 Integration:

    • Leverage expertise in Web3 technologies to integrate blockchain functionalities, such as wallet connectivity and decentralized application (dApp) interactions, into the frontend.
    • Integrate with Web3 technologies to enable seamless interaction between our applications and the EVM-based, Solana and NEAR blockchains.

    3. Performance Optimization:

    • Identify and address performance bottlenecks in the frontend, optimizing page loading times and rendering efficiency.
    • Implement and maintain state management solutions to enhance frontend performance.

    4. Cross-Browser Compatibility:

    • Ensure cross-browser compatibility by testing and adapting frontend code to work smoothly on various web browsers and devices.
    • Implement responsive designs to provide a consistent user experience across different screen sizes.

    5. Usability:

    • Proactively conduct usability and regression testing during development.
    • Gather user feedback to continuously improve frontend usability.

    6. Security and Compliance:

    • Implement security best practices to protect against common web application vulnerabilities, such as SQL injection, cross-site scripting (XSS), and data breaches.

    7. Collaboration:

    • Collaborate effectively with backend developers, designers, and other cross-functional teams to ensure seamless integration of frontend and backend components.
    • Participate in code reviews to maintain code quality and consistency.

    8. Continuous Learning:

    • Stay up-to-date with the latest frontend development trends, tools, and techniques, and apply them to enhance the quality of our web applications.
    • Share knowledge and mentor junior team members to foster growth within the team.


    • 3+ years of experience as a frontend developer shipping and maintaining web apps in production.
    • English is your native language.
    • Solid experience in frontend development using Next.js and Material UI, with a strong focus on building responsive and visually appealing user interfaces.
    • Proficiency in Web3 technologies and frameworks, including interacting with smart contracts, wallets, and blockchain data on EVM-based blockchains like Ethereum, Avalanche, Polygon. and NEAR blockchain.
    • Familiarity with Solana blockchain ecosystem is a plus.
    • Expertise in RESTful APIs and frontend/backend integration
    • Strong critical thinking and problem-solving skills, attention to detail, proactiveness, and a passion for delivering high-quality solutions.
    • Excellent communication and teamwork skills, with the ability to work effectively in a fast-paced and collaborative environment.
    • Experience with version control systems (Git) and CI/CD pipelines.
    • Familiarity with testing frameworks (Jest, Mocha, Chai) and frontend testing methodologies.
    • Commitment to staying updated with industry trends and emerging technologies in both frontend development and Web3 integration.

    Other jobs you may like