Senior Software Engineer - Frontend Focused

Knock is a caring group of people who came together from across the industry with the belief there had to be a better way to serve people in the journey between homes. We offer a first-of-its-kind Knock Bridge Loan™ that gives everyone in the process more convenience, certainty, and competitiveness. 

Founded in 2015, we have earned the industry’s trust: an A+ Better Business Bureau rating and relationships with more than 120,000 real estate agents in our 75 markets across the US. Launched by founding team members of Trulia, we are funded by industry leading investors, including Foundry Group, Greycroft, RRI, Parker89, and The National Association of Realtors who serves 1.6 million members. We’re most proud of the stories from people we’ve helped get their new home, and the five star Zillow rating from over 750 reviews. To learn more, Knock.

At Knock, we’re transforming the homeownership experience — making buying, selling, and moving more straightforward and empowering for everyone. As a Senior Software Engineer, you will play a key role in developing the technology that powers Knock.com and the platforms supporting our customers, partners, and internal teams. Your contributions will directly impact our ability to deliver a seamless, world-class experience.

This position is primarily frontend-focused, with approximately 70% frontend and 30% backend development.

What You’ll Do:

✅ Design, develop, and maintain modern, high-performing web applications for both customers and internal teams — delivering intuitive, reliable, and accessible user experiences.

✅ Collaborate with engineers, product managers, designers, and business partners to create innovative, impactful technology solutions.

✅ Champion best practices in architecture, testing, monitoring, and deployment to ensure our applications are scalable, secure, and reliable.

✅ Advocate for excellent user experiences, integrating strong design principles, accessibility, and usability into every product you build.

✅ Provide mentorship, share knowledge, and support the growth of peers within and beyond your immediate team.

✅ Take initiative on technical challenges, explore new tools and approaches, and support your team wherever your skills can contribute most.

✅ You’ll join a rotating on-call schedule, helping ensure system reliability and rapid response when needed

What You Bring:

✔ At least 5 years of experience building production-grade software. 

✔ At least 3 years of experience of writing production-level React code.

✔ Expertise in building modern web applications using TypeScript, React.js (required), and familiarity with Next.js, Svelte, or similar frameworks.

✔ Expertise in HTML, CSS, and JavaScript, with a strong focus on building responsive, accessible, and maintainable web interfaces. Proficient in modern web technologies and UI libraries to create reusable components and incorporate analytics tools that enhance user experience and application performance..

✔ Experience working with GraphQL to integrate frontend applications with backend services.

✔ Solid understanding of software engineering fundamentals and experience across the full development lifecycle — including requirements gathering, development, testing, deployment, and ongoing maintenance.

✔ Familiarity with backend development using Node.js, along with the ability to read and write SQL queries.

✔ Experience working with at least one major cloud provider (AWS preferred) and familiarity with monitoring, debugging, and performance optimization tools.

✔ Adaptability and self-motivation to thrive in a fast-paced, evolving startup environment.

✔ Proven ability to work effectively as part of a remote, distributed, multi-timezone team.

✔ A commitment to building inclusive products and fostering a diverse, equitable, and welcoming workplace.

Why Knock?

💡 Purpose-Driven Work: Your contributions will improve the homeownership journey for thousands of individuals and families.
🏡 Remote-First Flexibility: Work from anywhere in the U.S. with a flexible, people-first approach.
🚀 Innovative Culture: Collaborate with curious, talented colleagues in a supportive, growth-oriented environment.
🌍 Commitment to Inclusion: We are dedicated to creating diverse teams and an inclusive, respectful culture where everyone belongs.

Physical Requirements:

• Set up a