Senior Mobile Engineer

Overview

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.

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
• Proficiency in English, both written and verbal

• Competitive salary in USD
• Attractive stock options
• Unlimited PTO
• Relocation allowance
• Top-notch equipment
• Get ready for regular team offsites around the world. Next stop: Austin

If you’re driven to craft seamless, high-quality mobile experiences and want to join a team that values product impact and technical excellence, we’d love to hear from you

Please note that we will only consider applications submitted in English.

• Seniority level: Not Applicable
• Employment type: Full-time
• Job function: Engineering and Information Technology
• Industries: Transportation, Logistics, Supply Chain and Storage

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