Senior Mobile Engineer (US)

Why join us?

Handoff is the AI agent that runs a construction company. We help remodelers automate estimating, streamline operations, and win more work—backed by real-time cost data, intuitive design, and workflows that “speak contractor.” With over 10,000 monthly active users and $6B in annualized project volume already flowing through our platform, we’re becoming the trusted partner for the people who build our homes.

We are backed by $25M+ raised from Y Combinator, Sequoia, Initialized, and Greycroft. Our team is distributed across hubs in Austin, São Paulo, and Buenos Aires, and we are deeply focused on building intuitive, high-impact solutions that make a real difference for our users.

Senior React Native Engineer at Handoff

You’ll play a central role in shaping the frontend experience of Handoff across mobile and web platforms. Beyond coding, you’ll be deeply invested in understanding our users and their needs, ensuring that each feature you develop contributes real value. You’ll work closely with our design and product teams to deliver high-quality, intuitive, and scalable solutions that elevate the Handoff experience.

• Design and implement polished, responsive interfaces for mobile and web, with a focus on usability, speed, and performance.
• Serve as a primary contributor to our frontend codebase, setting high standards in code quality, testing, and scalability, and taking ownership of major features.
• Partner closely with product, design, engineering, and AI teams to align on requirements and ensure that our frontend solutions deliver seamless, cohesive user experiences.
• Provide constructive code reviews, share knowledge, and mentor fellow engineers, contributing to a collaborative, high-performing team.
• Evaluate and adopt new tools, frameworks, and processes to improve frontend performance, efficiency, and code reliability, always with the customer experience in mind.

• Bachelor's degree (or similar) in Computer Science, Engineering, or a related field.
• 7+ years in frontend development with a focus on delivering high-quality user experiences.
• Strong technical background in React Native with a proven history of optimizing performance across both mobile and web platforms.
• Committed to understanding user needs and using this insight to build intuitive, impactful solutions.
• You write maintainable, testable code and champion best practices in frontend development, helping raise the bar for the entire team.
• Experienced in working with design and product teams to deliver cohesive solutions, with clear and proactive communication.
• Comfortable in a fast-paced environment, you’re quick to adapt to changing priorities and balance rapid iteration with high-quality outputs.
• Proven experience working in a startup environment is a must.

• Competitive Salary + Equity
• Unlimited Paid Time Off (PTO)
• 401(k)
• Medical, Dental & Vision Insurance
• Life & Disability Insurance
• Flexible Spending Account (FSA)
• Dependent Care FSA (DC FSA)
• Relocation Allowance
• Top-Notch Equipment - Choose your laptop!
• Team Offsites Around the World – In 2024, we gathered in Poland, Mexico, and Florida - where to next?

If you are passionate about building exceptional user experiences and want to be part of a team that values product impact and technical excellence, we’d love to hear from you!

Handoff is an Equal Opportunity Employer. Handoff is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment. Handoff will not tolerate discrimination or harassment based on any of these characteristics. Handoff encourages applicants of all ages. Handoff also participates in E-Verify.