Handoff

Senior Backend Engineer

Handoff • BR
Hybrid
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, 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 Backend Engineer at Handoff
You’ll take a leading role in designing and scaling the backend architecture that powers our platform. This isn’t just a heads-down coding role - you’ll be instrumental in evolving our infrastructure, improving developer workflows, and ensuring seamless performance and scalability across our core systems. You’ll work cross-functionally with product, design, and AI teams to build a robust, secure, and highly performant backend foundation that supports both our web and mobile experiences.

What you'll do

  • Design and implement scalable APIs, services, and data pipelines that support mission-critical workflows. Ensure reliability, maintainability, and security across all systems.
  • Spearhead improvements in infrastructure and deployment strategies using tools like Kubernetes, Traefik, and AWS. Help us move fast without breaking things.
  • Optimize application logic, database queries, and system performance to handle increasing workloads with speed and efficiency.
  • Work closely with product, design, and AI teams to deliver backend solutions that support intuitive, AI-enhanced user experiences.
  • Provide thoughtful code reviews, share best practices, and help foster a backend culture of quality, pragmatism, and continuous improvement.
  • Implement and maintain CI/CD pipelines, monitoring, and observability systems that empower the team to ship with confidence and clarity.
  • About You

  • Bachelor's degree (or similar) in Computer Science, Engineering, or a related field.
  • 7+ years in backend development, with a proven track record of building scalable, high-performance applications.
  • Strong experience with Node.js, Python, TypeScript, and SQL.
  • Deep knowledge of cloud-based architectures, especially on AWS.
  • Solid understanding of Kubernetes, Traefik, containerization, and distributed systems.
  • Experience building and mantaining CI/CD pipelines, managing cloud infrastructure, and ensuring production systems run reliably at scale.
  • Experience optimizing API performance and database queries, reducing latency and ensuring seamless data flow between backend and frontend.
  • Comfortable in a fast-paced environment, you’re quick to adapt to changing priorities and balance rapid iteration with high-quality outputs.
  • Proficiency in English is a must.
  • What we offer

  • 💸 Competitive salary in USD
  • 💰 Attractive stock options
  • 🌴 Unlimited PTO
  • 🚛 Relocation allowance
  • 👨‍💻 Top-notch equipment
  • 🧳 Team offsites around the world - we've already been to more than 5 countries!