Senior Software Engineer, Fullstack

Vannevar is a defense technology company focused on building AI to enhance national security. They are seeking a Senior Software Engineer, Fullstack to design and implement their Decision Advantage product, which aids defense operators in understanding and countering adversary tactics. The role involves developing applications for mission-critical work and collaborating with cross-functional teams to deliver advanced features for information analysis and visualization.

Responsibilities:

• Design, build, and ship a cutting edge identity 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

Requirements:

• 5+ years of professional software development experience
• Expertise in TypeScript, Node.js, Postgres, and AWS
• Hands-on experience with at least one major search engine (e.g., Elasticsearch, OpenSearch)
• 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
• Understanding of search concepts like indexing, ranking, query parsing, and tokenization