# Senior Software Engineer, Fullstack (Mission Agents)

**Company:** [Vannevar](https://hotfix.jobs/companies/vannevar)
**Location:** Remote
**Role:** Fullstack Engineering
**Experience:** 5+ years
**Skills:** TypeScript, React, Tailwind, Node.js, Python, Postgres, AWS, LangGraph, Agno, Pydantic Ai
**Posted:** 2026-04-13

> Build and ship agent-powered mission consoles for defense using TypeScript, React, Node.js, and Python. Requires 5+ years experience, expertise in fullstack technologies, AWS, and building AI agents; security clearance preferred.

## Job Description

## What you’ll do

- Design, build, and ship a cutting-edge agent-powered mission console using **TypeScript**, **React**, **Tailwind**, **Node.js**, and **Python**.
- Partner with customers, mission owners, designers, and other engineers to understand user workflows and create 10x better solutions for their problems leveraging agents.
- Help define and shape the surface for which users are enabled by **AI** and agents at Vannevar.
- Implement and maintain robust agentic workflows to enable missions at scale.

## What we’re looking for

- **5+ years** of professional software development experience
- Expertise in **TypeScript**, **Node.js**, **Postgres**, **Python**, and **AWS**
- Experience building agents using any framework (**LangGraph**, **Agno**, **Pydantic AI**, etc.)
- Prior experience working in a user-facing product role
- 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**

## 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

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**Apply:** https://hotfix.jobs/jobs/81bbc43e-ebe0-4b4f-adbd-ffffb814f64a
**Canonical:** https://hotfix.jobs/jobs/81bbc43e-ebe0-4b4f-adbd-ffffb814f64a