Senior Full-Stack Engineer

Hi! We're Forerunner. Stronger, more resilient communities are built by the people inside government and regulated industries who keep critical infrastructure running. But they're working against real headwinds: fragmented data, field crews without the right tools, and high-stakes decisions made without a complete picture. Forerunner exists to fix that. We build intelligent software that connects the systems these agencies and firms already rely on, fills the gaps those systems can't, and turns fragmented information into decisions and actions that reduce liability, surface revenue, and prevent small problems from becoming emergencies.

The Role We're looking for a Senior Full-Stack Engineer with 5+ years of product engineering experience to join our Core Platform team. You'll implement features that help build resilient communities - from real-time flood risk visualizations to automated permit workflows that cut response times from weeks to hours. This is a product ownership role where you'll work directly with government users who are on the frontlines of climate adaptation. You'll work on both backend and customer-facing features using TypeScript, React, PostgreSQL with PostGIS for geospatial analysis, and AWS. Your work will include processing hundreds of different geospatial datasets, creating intuitive interfaces for complex grant application workflows, and building APIs that integrate with a variety of different government systems - modernizing how America prepares for and adapts to climate change. We offer schedule flexibility and ask for accountability in return. We are unable to sponsor H1-B visas at this time, so permanent residency or citizenship is required. We strongly encourage people from underrepresented groups to apply - the problem of climate change impacts all of us, and we want to reflect that within our team's composition.

What You'll Do Gather around the campfire. Engineering, product, design, and customer success aren't siloed teams — we build together. You'll hear feedback from the people who use what you ship, and that context shapes what comes next. Drive projects from ambiguity to delivery. You'll get a problem and a goal, not a step-by-step plan. We trust our engineers to break down complexity, make smart tradeoffs, and keep things moving. Work with the best tools, not just the best people. We're all-in on AI-assisted development — Cursor, Claude Code, and whatever comes next. If you've already used AI to plan and execute projects from a spec or scaffold out entire features, you'll fit right in. Build the whole thing. You'll own features from database modeling to pixel-perfect UI — no tossing work over the wall to "the other team." New API endpoint in the morning, polished frontend by the afternoon? That's a Wednesday here. Ship constantly, and ship things that matter. This isn't a maintenance gig. Roughly 80% of your time goes toward new capabilities our customers are asking for, with the rest spent making the systems underneath faster, more reliable, and easier to work in. Own what you ship. The people who build the system are the best ones to keep it healthy. We run a fair on-call rotation and invest heavily in keeping alerts meaningful and manageable. We treat reliability as a craft — not a chore. Raise the bar for everyone. How we build matters as much as what we build. You'll help shape our engineering culture — improving our processes, refining our tech stack, and mentoring teammates along the way.