Senior Software Engineer

Vannevar builds AI systems for the Department of War's most consequential missions. We have 125 deployments across every branch and combatant command spanning our core platform and five distinct products. An an example of how we work, when major combat operations started with Iran, we fielded a new product supporting 24/7 operations and 9,000+ users in three months. How we build is our advantage: we deploy forward with the people who own the mission. Our engineers, product team, and CTO deploy forward to the point of friction, including visiting units in Ukraine. We focus on embedding directly with operational units supporting great power competition with China, combat operations with Iran, and counter-narcotics missions. About the role Vannevar is seeking an experienced full-stack engineer to advance the design and implementation of our Decision Advantage product. This critical platform enables defense and intelligence operators to gain comprehensive situational awareness of the information environment, helping them understand and counter adversary influence operations and information warfare tactics. You will build the applications our warfighters and intelligence analysts use daily for mission-critical work, developing advanced products and features for information distillation, analysis, and visualization that enable rapid assessment of the information environment. Working alongside designers, engineers, subject matter experts, and operational users, you will transform complex intelligence requirements into intuitive, mission-ready workflows that directly support national security objectives.

In this role, you will work in a small cross-functional team focused on delivering Decision Advantage capabilities to defense customers engaged in strategic competition with near-peer adversaries. You will work on all aspects of the product - everything from data (extraction, ingestion), backend (storage, indexing, APIs), frontend, AI analysis (agents), and more. The platform has a strong foundation to build upon and there is a ton of opportunity to make an impact as we take it to the next level. Note: this role is also open to staff+ candidates. What you’ll do - Design, build, and ship a cutting-edge data collection and search platform using TypeScript, React, Tailwind, and Node. js - Partner with customers, mission owners, designers, and other engineers to understand user workflows and create 10x better solutions for their problems - Implement and maintain search and agentic AI systems for high-scale data, both tabular and graph-shaped - Help define and shape the future of the product What we look for - 5+ years of professional software development experience - Expertise in TypeScript, Node. js, Postgres, and AWS - Customer obsession and keen product intuition. You think in workflows and end-user experience, not just code. Nice to have - Active security clearance or ability to obtain one and desire to travel to visit users, collect feedback, and debug issues - Prior experience developing AI-native products - Prior experience working in a user-facing product role What we offer We’re proud to offer competitive benefits that support our employees. Some key highlights of our benefits package include: - Health, dental, and vision insurance - Remote friendly with WeWork access - Unlimited PTO, downtime during the federal holiday calendar, and company-wide off time at the end of each year - 401(k) match - Lifestyle & wellbeing stipends - Salary top-up during military reserve duty - Fully paid parental leave - Child and pet care reimbursement during travel Vannevar is an equal opportunity employer, and qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status.