ApplySarthi

Senior Software Engineer, Search

Vannevar Labs

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Questions you are likely to be asked

  1. Why do you want to join Vannevar Labs?
  2. What is your experience with Elasticsearch? Tell me one thing you learned the hard way.
  3. What do you do when a production issue happens on your code?
  4. Walk me through a system you built. How was it designed, and what would you change now?
  5. Tell me about a hard bug you tracked down. How did you find the cause?

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### 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

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Listed on wellfound · posted 2026-08-29. ApplySarthi collects openings and links to application pages; the role is advertised by Vannevar Labs, not by us.