Mobile Engineer

About Us

Our mission is to electrify the world's homes for healthy and sustainable living. Residential electrification is an extraordinary decarbonization opportunity - 145 million homes in the United States account for 20% of our climate emissions. But today electrification is painful - it's too complicated, time consuming, and expensive. So we're building a new experience for homeowners, contractors, and utilities. Zero bridges the gap between the digital and the physical with a frictionless experience that makes electrification fast, easy, and affordable. Join our team to build a world class consumer experience that just so happens to electrify America.

About the Role & Your Impact

This is an exciting opportunity to join an early stage company of talented engineers and designers, led by seasoned climate tech veterans. At Zero, Engineers are individual contributors that report to a Lead Engineer. You will work in small teams (designer, product representative, 1-2 engineers, and a lead engineer) in six-week cycles, to take well-scoped projects and deliver new features with guidance and review from senior engineers on your team. You execute within an approach shaped with your team, bringing options and questions, and vetting technical approaches with senior members of the team. We are relentlessly focused on sustainable productivity. You should expect long stretches of deep work, minimal standing meetings, effective in person collaboration with stakeholders and peers, as well as flexibility around your personal life.

You will help build our consumer mobile app, which enables homeowners to get a design and quote for their HVAC project without an in person sales visit. The mobile app is our most important digital touchpoint with homeowners, and you will own features end-to-end on iOS and/or Android. Today the app is built fully native with SwiftUI and Jetpack Compose, and the groundwork has been laid for rapid iteration and innovation.

What You Bring

• You are strong on at least one mobile platform --- iOS (Swift/SwiftUI) or Android (Kotlin/Jetpack Compose) --- and eager to grow into the other.
• You have at least one year of professional software engineering experience, with meaningful time spent building native mobile applications that real users rely on.
• You have strong opinions about AI in the mobile development loop. Agentic coding tools - Claude Code, Cursor, Codex, and whatever comes next - are a core part of how you work.
• You engineer solutions you're proud to put in front of real users. You lean on tests, established patterns, and your teammates' review to ship work that holds up in production.
• You are relentlessly customer-centric. You see customer-reported bugs as the most important signal you get.
• You care about observability. Before a feature ships, you think about how you'll measure it.
• You are enthusiastic about in-person work and collaborating with your colleagues in front of a whiteboard. You live within 50 miles of Denver, CO or are willing to relocate.

Nice to Have

• Full stack experience - comfortable standing up backend services to support mobile features.
• Experience collaborating on creating and triaging REST APIs with backend counterparts.
• Experience at early-stage startups and/or fast-growing environments.
• Experience with on-device ML and AR (ARKit, ARCore).
• Experience with camera frameworks and computer vision.
• Math background or practical data science experience.
• Experience in climate tech.

Compensation & Benefits

$90,000 - $200,000 a year

• 📈 Meaningful equity
• 💸 Optional annual bonus for outstanding performance
• 🩺 Medical, Dental, and Vision
• 🏝️ 4 weeks PTO that we expect you to take, plus unlimited sick days
• 🏠 Monday, Tuesday, and Thursday in the office at minimum, and flexible working hours
• 🖥️ Workstation stipend

Zero Homes is committed to creating an inclusive and accessible experience for all candidates. We encourage you to apply even if you believe that you do not meet all of the above criteria!