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Senior Software Engineer, Search

Hiring in US only

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Improve search latency and relevance for mission-critical information retrieval

As a Senior Software Engineer, Search, you will design and adapt the technical strategy for search across Vannevar’s products, leveraging full-text search, vector databases, LLMs, NLP, and relevance algorithms. You will collaborate with ML and product teams to translate user needs into data-informed search innovations that enhance index quality, freshness, and retrieval performance. Your work directly supports users’ ability to surface mission...

Why This Role?

Deploy forward with mission owners and visit operational units in Ukraine to embed directly with end users

Key Responsibilities

  • Design and adapt the technical strategy for search using full-text, vector databases, LLMs, and NLP
  • Improve search latency and relevance through algorithmic and system optimizations
  • Collaborate with product engineers, designers, and mission strategists to translate user needs into search innovations
  • Research and apply emerging technologies in information retrieval to improve index quality and freshness
  • Work with ML teams to advance a state-of-the-art search system that drives user ability to surface critical information

Requirements

  • 7+ years of experience in backend software development
  • 3+ years of experience in search, information retrieval, or related fields
  • Expertise in information retrieval, NLP, and machine learning
  • Deep understanding of indexing, ranking, query parsing, tokenization, and vector search
  • Hands-on experience with at least one major search engine (e.g., Elasticsearch, OpenSearch)
  • Familiarity with search evaluation frameworks such as precision and recall

Required Skills

searchinformation retrievalmachine learningnlpbackend developmentnatural language processingsearch engine optimizationrelevance algorithmsvector databases

Indonesia Context

Working Hours Overlap:
Minimal overlap — opposite hours
See remote (USD) vs local pay →
View Original Description from Greenhouse BoardsShow more

Original description from Greenhouse Boards

<div class="content-intro"><p>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.<br><br>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.</p></div><h3>About the role</h3> <p>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.</p> <h3>What you'll do</h3> <ul> <li>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</li> <li>Improve both search latency and relevance</li> <li>Collaborate with product engineers, designers, and mission strategists to translate user needs into data-informed search innovations</li> <li>Research and apply emerging technologies, trends and best practices in the search/information retrieval domain to improve index quality, freshness, and retrieval performance</li> </ul> <h3>What we’re looking for</h3> <ul> <li>You have 7+ years of experience in backend software development, with 3+ years in search, information retrieval, or related fields</li> <li>You have a passion for architecting, developing and deploying reliable, scalable, and performant systems</li> <li>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.</li> <li>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).</li> <li>You have excellent analytical, problem-solving, leadership, and communication skills.</li> <li>U.S. Person status is required as this position will require the ability to access U.S. only data systems.</li> </ul> <h3>What we offer</h3> <h4>Competitive Salary</h4> <p>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.</p> <h4>Comprehensive Benefits</h4> <div class="p-rich_text_section">We’re proud to offer competitive benefits that support our employees. Some key highlights of our benefits package include:</div> <ul class="p-rich_text_list p-rich_text_list__bullet" data-stringify-type="unordered-list" data-indent="0" data-border="0"> <li data-stringify-indent="0" data-stringify-border="0">Health, dental, and vision insurance</li> <li>Remote friendly with WeWork access</li> <li data-stringify-indent="0" data-stringify-border="0">Unlimited PTO, shared downtime during the federal holiday calendar, and company-wide off time at the end of each year</li> <li data-stringify-indent="0" data-stringify-border="0">401(k) match</li> <li data-stringify-indent="0" data-stringify-border="0">Lifestyle &amp; wellbeing stipends</li> <li data-stringify-indent="0" data-stringify-border="0">Salary top-up during military reserve duty</li> <li data-stringify-indent="0" data-stringify-border="0">Fully paid parental leave</li> <li data-stringify-indent="0" data-stringify-border="0">Child and pet care reimbursement during travel</li> </ul><div class="content-conclusion"><div>Vannevar 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.</div> <div>&nbsp;</div> <div>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!</div> <div>&nbsp;</div> <div><strong>IMPORTANT NOTICE<br>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.</strong></div></div>

Salary Context

Similar Engineering roles on LokerDollar pay around $192.5k/yr (range $13.4k–450k/yr, n=360 active listings).

Hiring at Vannevar Labs

Vannevar Labs has 6 other active roles on LokerDollar and has been hiring here since Jun 22, 2026 — across Engineering, Operations, Legal & Compliance.

View all Vannevar Labs openings →

Market context

  • VERIFIEDStated pay is 5% below the role median of $192,500/year (n=360 pay-disclosing listings).
  • VERIFIEDVannevar Labs: 12 postings in the last 3 months, 30 all-time on LokerDollar.
  • VERIFIEDCompany first seen Jun 22, 2026.
  • VERIFIEDThis listing first seen Sep 19, 2026.
  • VERIFIEDLast verified live Sep 27, 2026.
Salary
$150k–215k/yr
Job Type
full time
Location
United States · Remote
Category
Seniority
senior
PostedVerified
Aug 28, 2026

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Frequently asked questions

Is Senior Software Engineer, Search at Vannevar Labs a remote job?
Yes, Senior Software Engineer, Search at Vannevar Labs is remote, but limited to candidates in United States. Check the listing for location requirements.
What is the salary for Senior Software Engineer, Search at Vannevar Labs?
The listed pay range for this role is $150k–215k/yr.
What type of employment is Senior Software Engineer, Search at Vannevar Labs?
This is a full time position.
How do I apply?
Click the "Apply" button on this page to go to the official application at Vannevar Labs.

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