Software Engineer (Mid-level) jobs in United States
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Mercor · 4 months ago

Software Engineer (Mid-level)

positionSan Francisco
timeFull-time
remoteOnsite
seniorityMid Level
money$130K/yr - $500K/yr

Mercor is a rapidly growing company that specializes in training AI models to predict job performance more accurately than humans. They are seeking a Mid-level Software Engineer to join their product-driven engineering team, responsible for designing and building scalable backend systems that support critical workflows for leading AI companies.

Artificial Intelligence (AI)Data Collection and LabelingEmploymentMachine LearningRecruitingSoftware
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H1B Sponsor Likelynote

Responsibilities

Design and build scalable backend APIs, services, and infrastructure
Collaborate across the stack with product and design to ship features quickly
Write clean, maintainable code and contribute to documentation
Participate in code reviews, technical design discussions, and retros
Solve real-world customer problems under real-world constraints
Contribute to core systems that power training, evaluation, and scaling for leading AI labs

Qualification

PythonDistributed systemsAPIsSQL/NoSQL databasesCloud platformsClean codeCode reviewsTechnical designProblem-solving

Required

Strong coding fundamentals in at least one modern language (Python, Go, Rust, etc.)
Understanding of data structures, algorithms, and distributed systems
Familiarity with APIs, SQL/NoSQL databases, and cloud platforms (AWS/GCP)
Bias toward ownership, curiosity, and asking the right questions
Ability to break down ambiguity and ship simple solutions to complex problems

Company

Mercor

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Mercor is an AI-based hiring platform that improves the recruitment process by matching talent with opportunities tailored to their skills.
dateFounded in 2023
location
San Francisco, California, USA
people-size51-200 employees
web-link
https://mercor.com

H1B Sponsorship

Mercor has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (7)

Funding

Current Stage
Growth Stage
Total Funding
$483.6M
Key Investors
FelicisBenchmarkGeneral Catalyst
2025-10-27Series C· $350M
2025-02-20Series B· $100M
2024-09-19Series A· $30M

Leadership Team

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Adarsh Hiremath
Co-Founder / CTO
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Recent News

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Company data provided by crunchbase