Senior Front End Software Engineer

Sorry, this job was removed at 12:17 a.m. (CST) on Thursday, Aug 28, 2025
Hiring Remotely in USA
Remote
Artificial Intelligence • Machine Learning • Software • Defense
We're on a mission to deliver the best tech to the people that keep us safe.
The Role

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.

 

About the role:

Vannevar is searching for an experienced frontend engineer to level up the design and implementation of multiple products within our software suite. You will build the applications our operators and partners use every day for mission critical work - from geospatial visualization and data analysis to novel use of agentic AI for operational planning and assessment, you will work side by side with designers, engineers, SMEs, and users in the field to turn ambiguous problems into fast, reliable, and useful UIs with real world impact. 

In this role you will work in small cross-functional teams that embed with our customers across the globe in support of strategic competition efforts. You will serve as a technical expert on the team and influence frontend development across the broader organization. 

What you’ll do  

  • Design, build, and ship cutting edge defense tech applications and features using TypeScript, React, Tailwind, and Node.js
  • Partner with customers, mission owners, designers, and other engineers to understand user workflows and create the best possible solutions for their problems
  • Contribute improvements to core libraries and frontend tooling for the broader organization
  • Mentor and guide other engineers in the art of frontend development
  • Help define and shape the future of the product 

What we look for 

  • 7+ years of professional experience in frontend software development  
  • Expertise in TypeScript and React. You know how to write code and components that compose well and can be maintained by others in the future. You’re familiar with advanced topics like state management, performance optimization, approaches for integrating disparate applications into a single cohesive experience, etc.
  • Eye for design and attention to detail. You produce elegant, consumer-grade UIs that users can understand without specific training.
  • Customer obsession and keen product intuition. You think in workflows and end user experience, not just code.
  • Prior experience as a senior engineer or tech lead and demonstrated ability to mentor and guide more junior engineers. 

Nice to have 

  • Ability to work on backend APIs as needed to support frontend work. Familiarity with Node, Postgres, and OpenSearch is helpful.
  • Active Security clearance (or ability to obtain one) and willingness to travel onsite at least quarterly to perform user research and help debug issues. 

What we offer

The salary range for this position is $160,000 - $210,000 + equity + 401K match. Within the range, individual pay is determined by experience, relevant education, and/or training.

We’re proud to offer competitive benefits that support our employees. Some key highlights of our benefits package include:
  • Health, dental, and vision insurance
  • 100% remote first culture. You can work from anywhere in the US and all full time employees have WeWork access
  • Unlimited PTO including competitive vacation and holiday schedules
  • Lifestyle stipends - Monthly mental health, wellness & fitness stipend, in-home office setup stipend and family planning assistance
  • Salary top-up during military reserve duty
  • Fully paid parental leave
  • Child and pet care reimbursement during travel
Vannevar Labs 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.
 
We encourage candidates from all backgrounds to apply, even if you don't feel like you're a perfect fit. If you're passionate about contributing to our mission, we'd love to hear from you!
 
IMPORTANT NOTICE
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.

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The Company
HQ: Arlington, VA
130 Employees
Year Founded: 2019

What We Do

Since our founding in 2019, Vannevar Labs has been building software for the country's most critical national security problems. We believe our military service members and intelligence officers deserve access to the best technology American innovation can offer, and we are building great products for this mission. Our founders have 30 years of combined experience across national security, government sales, CIA, In-Q-Tel and the DoD. We're supported by a number of VCs, including Felicis, DFJ Growth, Point72, Costanoa, and General Catalyst.

Why Work With Us

We pride ourselves on being a team of passionate, low-ego professionals who share a commitment to excellence and a genuine concern for the people and projects we work on. Additionally, we pride ourselves on being a company that truly values its employees and their well being.

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Vannevar Labs Offices

Remote Workspace

Employees work remotely.

We are a fully remote company with satellite offices in New York and Washington DC.

Typical time on-site: None
Company Office Image
HQArlington, VA
New York, NY
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