Staff Software Engineer, Full-stack

About Onebrief Onebrief is collaboration and AI-powered workflow software designed specifically for military staffs. By transforming this work, Onebrief makes the staff as a whole superhuman - meaning faster, smarter, and more efficient. We take ownership, seek excellence, and play to win with the seriousness and camaraderie of an Olympic team. Onebrief operates as an all-remote company, though many of our employees work alongside our customers at military commands around the world. Founded in 2019 by a group of experienced planners, today, Onebrief’s team spans veterans from all forces and global organizations, and technologists from leading-edge software companies. We’ve raised $320m+ from top-tier investors, including Battery Ventures, General Catalyst, Sapphire Ventures, Insight Partners, and Human Capital, and today, Onebrief is valued at $2.15B. With this continued growth, Onebrief is able to make an impact where it matters most. About the role We're hiring Staff Software Engineers to take on some of the most challenging and meaningful full-stack problems at Onebrief; the kind that sit at the intersection of system design, product complexity, and real-world stakes. Think: real-time collaboration infra, interactive planning UIs, and high-trust workflows that operate under real constraints. We value strong problem-solving skills and sound engineering judgment over mastery of any one technology. This is a staff individual contributor role with broad surface area. Expect to own big bets, shape direction, unblock teams, and raise the bar for how we build. You’ll partner tightly with Product Managers, Design, and your fellow engineers. By developing reusable patterns, sharing thoughtful abstractions, and communicating clearly, the impact of your work will span across teams. What you'll do Lead complex, multi-sprint initiatives that span teams and require both technical depth and strong product intuition Set technical direction across user-facing and platform surfaces, shaping architecture beyond a single team Improve system quality and developer experience by identifying systemic pain points and building durable abstractions Operate comfortably in high ambiguity, bringing clarity to grey areas and aligning stakeholders on thoughtful tradeoffs Mentor and elevate engineers through async reviews, pairing, and principled technical leadership Build across the stack (TypeScript/React/Node, PostgreSQL, Redis, Kubernetes), balancing long-term architecture with pragmatic delivery What we look for 12+ years of experience , including ownership of meaningful product or platform surfaces Experience driving technical direction across teams, laying foundations that scale beyond a single team Proven track record of shipping in demanding B2B SaaS environments Ability to thrive in ambiguous, low-process, async-first settings and bring clarity and composure during high-impact situations Hands-on contributor who improves velocity and raises engineering standards through tooling, process, and direct execution Strong communication skills, with the ability to communicate clearly and contextually across PRs, RFCs, and cross-functional collaboration Core tech we use Frontend : React, TypeScript, Vite, shared component libraries, client-side observability Backend : Node.js, PostgreSQL, Redis, secure RESTful APIs Infrastructure : AWS, CI/CD pipelines Integrations : CSV/Excel/KML importers, JWT auth, PDF exports, DoD data systems Notice to Third Party Recruitment Agencies Please note that Onebrief does not accept unsolicited resumes from recruiters or employment agencies. In the absence of an executed Recruitment Services Agreement, there will be no obligation to any referral compensation or recruiter fee. In the event a recruiter or agency submits a resume or candidate without an agreement Onebrief explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. Any unsolicited resumes, including those submitted to hiring managers, shall be deemed the property of Onebrief.

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