# Senior Software Engineer, SQL Engines

**Company:** [MongoDB](https://hotfix.jobs/companies/mongodb)
**Location:** Remote
**Role:** Backend Engineering
**Salary:** $126k – $248k/yr
**Experience:** 5+ years
**Skills:** SQL, Rust, Java, Go, Data Structures, Algorithms, Software Architecture, Query Execution, Query Optimization, Relational Databases, MongoDB, NoSQL
**Posted:** 2026-09-01

> Senior software engineer building MongoDB’s SQL interface and query-engine capabilities, including tools that connect document data with SQL and BI workflows. Requires 5+ years of backend and database engineering experience, compiled-language proficiency, and strong computer science fundamentals.

## Job Description

## Responsibilities
- Design, build, and optimize tools at the intersection of relational databases and flexible-schema databases to enhance MongoDB’s SQL experience.
- Develop features for the MongoDB SQL Interface, including query, analytics, and visualization workflows.
- Monitor and improve performance, scalability, and reliability for large datasets and complex queries.
- Collaborate with product managers and customer experience teams to evaluate user needs and deliver intuitive customer experiences.
- Stay current with database and cloud industry trends and bring innovative ideas to the team.
- Advocate for technical excellence while balancing feature delivery and system quality.

## Requirements
- 5+ years of professional software engineering experience, with emphasis on backend systems and database technologies.
- Proficiency in at least one compiled programming language and interest in Rust, Java, and Go.
- Strong computer science fundamentals, including data structures, algorithms, and software design and architecture.
- Familiarity with SQL query execution, query optimization, and relational database systems.
- Ability to break down complex problems and deliver solutions.
- Strong verbal and written communication skills and ability to collaborate across teams.

## Nice-to-haves
- Professional experience or an M.Sc./Ph.D. in database query engines.
- Familiarity with MongoDB or other non-relational databases.

## Compensation
- U.S. base salary: $126,000–$248,000 USD.
- Benefits for eligible employees may include equity, employee stock purchase program, flexible paid time off, paid parental leave, fertility and adoption assistance, 401(k), mental health counseling, transgender-inclusive health insurance, and health benefits.

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