Senior Fullstack Engineer

2 semanas atrás

São Paulo, São Paulo, Brasil Handoff Tempo inteiro US$120.000 - US$180.000 por ano

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 Fullstack Engineer at Handoff

You'll play a pivotal role in shaping both the frontend and backend architecture of Handoff, ensuring seamless performance, scalability, and a best-in-class user experience across mobile and web. This role goes beyond coding - you'll be deeply involved in understanding contractor workflows, using AI-powered automation to simplify processes, and driving the technical evolution of our platform. You'll collaborate closely with design, product, and AI teams to build a high-impact, user-centric system.

What you'll do

  • Develop scalable frontend and backend systems, including APIs, services, and interfaces, to support AI-driven workflows, with a focus on usability, speed, and performance
  • Develop and maintain scalable backend APIs that power AI-driven workflows
  • Partner closely with product, design, engineering, and AI teams to align on requirements and ensure that our 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

About You

  • Bachelor's degree (or similar) in Computer Science, Engineering, or a related field
  • 7+ years in frontend and backend development, with a proven track record of building scalable, high-performance applications
  • Strong proficiency in Typescript, Node and React Native
  • Experience working with Python, SQL, and cloud-based architectures
  • Experience optimizing API performance and database queries, reducing latency and ensuring seamless data flow between backend and frontend
  • Experience designing and implementing responsive, high-quality frontend components that ensure a seamless, intuitive user experience across both mobile and web platforms
  • You write clean, maintainable, and testable code while enforcing best practices in software development
  • 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

What We Offer

  • 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 passionate about building exceptional user experiences across the stack 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.

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