Senior Software Engineer, Search

Vannevar Labs|28 Aug 2026

fulltimeremote

Before you apply

Listed location: Remote

Work arrangement: remote. A remote label does not confirm worldwide eligibility or visa sponsorship.

Read the employer’s description for qualifications, compensation and work eligibility. Confirm the position is still open on the application page.

Job description supplied by Vannevar Labs; category and skill labels may be inferred. How our listings work · Report a problem

Job Description

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

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.

What you'll do

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

What we’re looking for

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

Competitive Salary

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.

Comprehensive Benefits

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

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.

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.

Skills mentioned

NLP

Frequently asked questions

Is the Senior Software Engineer, Search position at Vannevar Labs remote?

Yes. The Senior Software Engineer, Search role at Vannevar Labs is a remote position. Country eligibility is not specified here; check the employer listing.