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Software Engineer 3, Atlas Vector Search

MongoDB, Inc. - San Francisco

Posted Feb 2, 2026

Benefits

Parental leave
Not verified
Non-birth-parent leave
Not verified not verified - source URL not recorded; timestamp not recorded
Family-building benefits
  • Fertility benefits: Offered From the posting source checked Jun 20, 2026
  • Adoption assistance: Offered From the posting source checked Jun 20, 2026
  • Surrogacy assistance: Not verified
Mental health support
Offered From the posting source checked Jun 20, 2026
Relocation assistance
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Childcare support
Offered From the posting source checked Jun 20, 2026
Learning budget
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Verification
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Salary
$106K-$209K From the posting source checked Jun 20, 2026
401(k) match
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Market context

U.S. role benchmark (BLS OEWS)
$116,543 U.S. median for this role
Projected growth (BLS Employment Projections)
+9.8% - Much faster than average

35% above the BLS role benchmark for software engineering aggregate.

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function
Engineering From the posting source checked Jun 20, 2026
Seniority
Senior From the posting source checked Jun 20, 2026

Schedule

Shift type
Not verified
Weekend work
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Company

Company stage
Public-company From the posting source checked Jun 20, 2026
Equity
Offered Verified - SEC 10-K source checked Jun 20, 2026

Application

Cover letter
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Assessment
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Deadline
Not stated

Where they hire

State eligibility is not yet verified.

About this role

Software Engineer 3, Atlas Vector Search San Francisco Join the Vector Search team and help build a cutting-edge vector database on top of MongoDB. Our team is responsible for the syntax and implementation of MongoDB's $vectorSearch aggregation, which enables approximate nearest neighbor queries over high-dimensional vectors. We are a small team with a large and rapidly growing customer base, providing engineers an opportunity to make a highly-visible, broad impact. When scaling search to billions of vectors, performance is paramount. We're looking for engineers who enjoy solving complex and open-ended problems that directly impact users' performance. This role is based in San Francisco, CA with a hybrid work model. You would get to: - Implement new features within MongoDB's $search and $vectorSearch aggregation operators - Work cross-functionally with Product teams to define new query and index syntax - Identify and address performance bottlenecks in filter queries and nearest neighbor search - Have the opportunity to lead projects and own subsystems - Perform code reviews with peers, review technical designs, and mentor junior developers Ideally you will be: - 3+ years of experience working on large-scale backend systems - Experience writing high-performance applications in Java or another JVM language - A growth mindset and the desire to learn quickly through taking on challenges, reflecting on outcomes, and incorporating feedback - Passionate about optimization, code quality, and problem solving - Bonus: experienced with Apache Lucene, vector databases, or high-throughput web services Success Measures - In 3 months you'll have a solid high-level understanding

Read the full description at www.mongodb.com. FewerJobs shows a preview and links to the original posting.

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