Software Engineer, Full Stack

Mercor

Full-stack engineer building applications and tools for a leading AI lab’s frontier GenAI models. Integrating pre-release APIs and stress-testing production software across modern technology stacks.

Posted 8/22/2026full-time🇮🇳 IndiaMid-LevelSenior💰 $25 - $30 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in building and shipping full-stack applications using Python, Java, Rust, C#, or C++, with hands-on experience in backend services, APIs, and modern front-end frameworks like React. Strong written communication skills for translating technical observations into clear feedback and documentation.

Highest-signal resume keywords

Full-Stack Application DevelopmentProduction Software ExperienceBackend Services and APIsModern Front-End FrameworksStrong Written Communication

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonJavaRustC#C++TypeScriptReactRelational DatabasesDocument DatabasesCloud Deployment

Soft Skills

Strong Written CommunicationCollaboration

Industry Keywords

Production SoftwareCode QualityTechnical DocumentationIntegration Failure ModesOnboarding

Tech Stack

Tools & technologies

CloudJavaPythonReactRustTypeScript

About the role

Key responsibilities & impact

Build and ship full-stack applications, services, and internal tools in Python, Java, Rust, C#, C++, or TypeScript
Integrate pre-release model APIs into working software, including tool interfaces, evaluation harnesses, and telemetry
Diagnose and document model and integration failure modes
Translate engineering observations into clear written feedback for the research team
Prototype quickly against shifting requirements and deliver working increments with limited up-front specification
Collaborate with the engineering manager and other engineers on code quality, architecture, and technical documentation

Requirements

What you’ll need

3+ years of dedicated professional experience building and shipping production software at a recognized, top-tier organization
Production experience in at least one of Python, Java, Rust, C#, or C++, plus working proficiency in a second language
Hands-on experience across the stack: backend services and APIs, a modern front-end framework (React or equivalent), relational or document databases, and cloud deployment
Demonstrated ability to onboard onto an unfamiliar codebase and deliver working code quickly with minimal ramp-up
Demonstrable career progression
Ability to engage reliably for at least 40 hours/week during weekdays
Strong written communication skills and ability to explain complex technical decisions clearly

Benefits

Comp & perks

Up to $560 for each successful referral
Full-time engagement of 40 hours per week
Reasonable accommodations upon request