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Vannevar is a defense technology company building AI to deter our adversaries. In the 21st century conflict moves at algorithmic speed and foresight equals firepower. Our agentic AI is purpose-built to compete with China—from cross-Strait conflict to gray zone coercion. Trained on the most mission-relevant datasets in defense our technology models adversary behavior simulates campaigns and recommends the best course of action to decision makers. Our AI systems are some of the most trusted in the industry and actively used on the front lines of the Indo-Pacific to keep the peace and save lives.
Exceptional technology starts with exceptional people. Vannevar is a small agile team combining world-class engineers with veteran strategists who bring deep expertise in defense and tradecraft. We’re building a company defined by mission impact user empathy and disciplined growth. In just three years we grew from $3M to $80M in ARR achieved early profitability and reached unicorn status—proving that disruption doesn’t require an ego and staying power doesn’t mean standing still.
Vannevar is building the future of national security enablement with agentic AI. Our platform tightens the loop from observation to action by giving warfighters cutting-edge analysis tools to make better decisions faster.
We’re looking for a talented Product Engineer to join the Systems Agents engineering team. This team builds the coding harness runtime layer and software integrations to modernize mission-critical software systems reduce technical debt refactor legacy architectures and accelerate software delivery using AI.
Your team will partner closely with customers designers product leaders and forward-deployed engineers to build lasting products where our partners are meaningfully enabled by AI. You’ll be responsible for building novel full-stack agentic workflows that are production-grade cybersecurity compliant and have strong evaluations.
This role is ideal for a product-minded software engineer that has deep technical judgment around AI-native product development and can embed closely with a deployed engineering team to fuse product signal from the early prototyping phase into an enduring product vision. You’ll help the team move quickly iterate with users and build pragmatic high-impact agentic systems for national security missions.
What you’ll do
- Product engineering: Lead the Systems Agents team in designing building and shipping a cutting-edge coding harness and broader product(s) for systems modernization using TypeScript React Tailwind Node.js Python Postgres and AWS.
- Product integration: Build integrations between source control systems CI/CD platforms requirements management tools security scanners developer environments and other commercial software products to create end-to-end modernization workflows.
- Agent leadership: Guide the implementation and scaling of robust agentic workflows that enable system refactoring and software re-architecture at scale using modern agent frameworks and patterns.
- Customer and mission partnership: Partner with customers mission owners designers and product teams to understand user workflows and drive concrete outcomes aligned with real-world workflows.
- AI-native product strategy: Help define and shape how software engineers system architects and program managers across program offices supporting DoW are enabled by AI and agents at Vannevar balancing ambitious product vision with reliable execution.
What we’re looking for
- Must have US Persons status and hold an active U.S. TS Security clearance with SCI Eligibility
- Experience building evaluating or operating coding agents software engineering agents code intelligence systems or agentic developer tools using LangGraph OpenAI SDK Model Context Protocol (MCP) Agent2Agent (A2A) and more.
- Experience integrating multiple commercial software products and APIs to support interoperability across software engineering workflows. Strong product and market instincts and prior experience working directly with users customers or mission owners to understand workflows collect feedback and ship better solutions.
- 5+ years of professional software development experience with strong technical judgment across full-stack systems.
- Excellent communication skills cross-functional leadership and project ownership.
- Proficiency with:
- Coding in Python TypeScript or similar
- PostgreSQL or other relational databases.
- Software development in AWS or other cloud services.
- Willingness to travel to offsites team syncs and customer sites.
What we value
- Prior experience building software for defense national security or intelligence use cases.
- Prior experience with systems languages to include Ada CMS-2 Java and/or C++
- Prior experience with DevSecOps Risk Management Framework NIST 800-53
What we offer
- Health dental and vision insurance
- Remote friendly with WeWork access
- Unlimited PTO shared 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
We are committed to protecting the privacy of all applicants. Official emails from the company will come from an @vannevarlabs.com domain. Under no circumstances will a legitimate representative from our company contact you to request passwords financial information or other sensitive personal data. Please be vigilant of potential scams.
Skills Required
- U.S. person status and active U.S. Top Secret (TS) security clearance with SCI eligibility
- 5+ years professional software development experience
- Experience building evaluating or operating coding agents software engineering agents or agentic developer tools (e.g. LangGraph OpenAI SDK MCP A2A)
- Experience integrating multiple commercial software products and APIs to support interoperability across engineering workflows
- Proficiency coding in Python or TypeScript (or similar)
- Proficiency with PostgreSQL or other relational databases
- Experience developing software on AWS or other cloud services
- Excellent communication skills cross-functional leadership and project ownership
- Willingness to travel to offsites team syncs and customer sites
- Customer/mission partnership experience—working directly with users customers or mission owners to collect feedback and ship solutions
- Experience building cybersecurity-compliant production-grade systems and strong evaluation practices for AI
- Prior experience building software for defense national security or intelligence use cases
- Prior experience with systems languages (Ada CMS-2 Java C++)
- Prior experience with DevSecOps Risk Management Framework or NIST 800-53
What the Team is Saying
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Vannevar Compensation & Benefits Highlights
- Healthcare Strength—The company highlights “top‑tier” medical dental and vision coverage for full‑time employees. Wellness mental‑health and family‑planning assistance further strengthen health support.
- Parental & Family Support—Fully paid 12 weeks parental leave for all new parents plus an additional 4 weeks for new mothers with flexibility to split time. Monthly caregiving stipends and child/pet‑care support during work travel provide ongoing family help.
- Leave & Time Off Breadth—Unlimited PTO is paired with explicit “no vacation guilt” messaging companywide downtime around federal holidays and a year‑end break. A small vacation stipend is offered to encourage disconnecting.
Vannevar Insights
What We Do
Vannevar combines Silicon Valley innovation with former special operators to build AI for real-world national security outcomes. Since our founding in 2019 Vannevar has deployed its technology across 125 missions safeguarding our service members and improving our country's deterrence.We believe our military service members and intelligence officers deserve access to the best technology American innovation can offer and we are mobilizing frontier technology for this mission. Our founders have 30 years of combined experience across AI labs national security strategy intelligence agencies and special operations. We're supported by a number of leading VCs including Felicis DFJ Growth Point72 Costanoa and General Catalyst. Vannevar is one of the most capital efficient defense tech companies reaching early profitability and becoming a defense tech unicorn in 2024.
Why Work With Us
We pride ourselves on being a team of passionate low-ego professionals who share a commitment to engineering excellence and a genuine concern for the people and AI agents we deliver. Vannevar is a company that truly cares about its people and one of our core principles is "put your wellbeing first".
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Vannevar Offices
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Employees work remotely.
We are distributed across the map but united by the mission.We go where the mission takes us and deliver where others can’t.Honolulu Seattle San Francisco Washington D.C. New York. You decide what's next.
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