$150,000 – $215,000/yr

Senior Software Engineer, Search

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Software EngineerSoftware Engineering
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Quick Summary

Overview

Vannevar builds AI systems for the Department of War's most consequential missions.

Technical Tools
Software EngineerSoftware Engineering

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

~1 min read

Search is at the heart of Vannevar’s flagship platform and agentic workflows. We are seeking a Senior Software Engineer, with substantial knowledge and passion for search and information retrieval, to drive innovation in this space. In this role, you will work directly with our ML and product teams to advance a state-of-the-art search system that fundamentally drives our users’ ability to surface mission critical information.

Responsibilities

~1 min read
  • →Design and adapt the technical strategy for search within Vannevar’s products, including how we leverage full-text search, vector databases, LLMs, NLP, and relevance algorithms
  • →Improve both search latency and relevance
  • →Collaborate with product engineers, designers, and mission strategists to translate user needs into data-informed search innovations
  • →Research and apply emerging technologies, trends and best practices in the search/information retrieval domain to improve index quality, freshness, and retrieval performance
  • You have 7+ years of experience in backend software development, with 3+ years in search, information retrieval, or related fields
  • You have a passion for architecting, developing and deploying reliable, scalable, and performant systems
  • You have expertise in information retrieval, NLP, and machine learning. You have a deep understanding of concepts like indexing, ranking, query parsing, tokenization, and vector search.
  • You have hands-on experience with at least one major search engine (e.g., Elasticsearch, OpenSearch), and familiarity with search evaluation frameworks (e.g., precision, recall, NDCG).
  • You have excellent analytical, problem-solving, leadership, and communication skills.
  • U.S. Person status is required as this position will require the ability to access U.S. only data systems.

What We Offer

~1 min read
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, 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

The salary range for this position is $150,000 - $215,000 + equity. Within the range, individual pay is determined by experience, relevant education, and/or training.

Location & Eligibility

Where is the job
Worldwide
Fully remote, anywhere in the world
Who can apply
Same as job location

Listing Details

Posted
August 28, 2026
First seen
August 28, 2026
Last seen
October 4, 2026

Posting Health

Days active
36
Repost count
0
Trust Level
42%
Scored at
October 4, 2026

Signal breakdown

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Senior Software Engineer, Search $150k–$215k