Front End Engineer Jobs in the US 2025 (USD 150,000 – 190,000) | Halliday

Join Halliday as a Front-End Engineer and play a vital role in transforming blockchain technology. This position offers an exciting opportunity to be part of a ground-breaking team in San Francisco, California. With competitive compensation and a vibrant work environment, this role is perfect for those eager to innovate in the tech sphere.

About the Company

Halliday is a pioneering blockchain company dedicated to creating a unified cross-chain payments ecosystem. Its flagship product, Halliday Payments, simplifies user interactions with blockchain networks. The company leverages the Workflow Protocol, which eliminates the need for manual smart contract coding.

Backed by prestigious investors like a16z and #Hashed, Halliday collaborates with notable developers such as ApeChain and DeFi Kingdoms. The team comprises talented individuals from top universities and leading tech firms, fostering a culture of innovation and excellence.

About the Role

As a Front-End Engineer at Halliday, you will design and build the infrastructure that drives future commerce. You will work on cutting-edge technology that makes blockchain more accessible and secure. Collaborating with a passionate team, you will have the opportunity to influence the direction of web3 developments.

Job Duties

In this role, your responsibilities will include:

• Designing intuitive, high-performance front-end interfaces that interact seamlessly with blockchain networks.
• Developing scalable services, APIs, and testing frameworks to support the platform’s needs.
• Utilizing open-source blockchain SDKs to connect with various networks and protocols.
• Contributing to Halliday’s public SDKs, simplifying integration for developers.
• Collaborating with design, product, and engineering teams to create impactful solutions.
• Innovating and expanding the foundational cross-chain protocol.
• Continuously identifying areas for performance, security, and scalability improvements.

Job Requirements

To qualify for this role, you should meet the following criteria:

• Proven experience as a frontend engineer, showcased through impactful projects.
• A quick learner with a passion for new technologies and innovative solutions.
• Strong collaborative mindset and excellent problem-solving abilities.
• Willingness to relocate to the San Francisco Bay Area or New York City.

Preferred Qualifications

• Experience with blockchain technologies, including EVM-based chains, Bitcoin, or Solana.
• Solid understanding of blockchain concepts like smart contracts and decentralized applications.
• Familiarity with modern web services, cloud infrastructure, and deployment pipelines.

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Conclusion

Working at Halliday means being part of a dynamic team that is shaping the future of blockchain technology. This role offers the autonomy to innovate and develop significant infrastructure. With competitive pay and comprehensive benefits, including unlimited PTO and visa sponsorship for international candidates, this opportunity is not to be missed. Apply now and be part of this exciting journey!