Job Specifications
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 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
What We Offer
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
Team Offsites Around the World!
If you’re passionate about building robust backend systems and want to help shape infrastructure that supports real product impact, we’d love to hear from you!
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
About the Company
Handoff is a new mobile & web app for the $500 billion market of remodeling contractors in the US. We use generative AI technology to provide Remodelers a fast, accurate, and intuitive way to create construction cost estimates in minutes. There are 600,000+ contractors in the US who could be the Users of Handoff and we're looking for teammates as passionate as we are to help us win this market.
Handoff is developed by 1build, a venture-backed technology company with origins in Silicon Valley (YC W20, raised $20M from top VC...
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