
51 - 200 employees
Founded 2023
🔥 Funding within the last year
💰 $350M Series C - Mercor on 2025-10
Mercor is a company for which no descriptive text was provided in the input. Additional information (products, services, target customers, or industry specifics) is needed to create an accurate summary and select appropriate industries.
🔥 15 minutes ago
🇺🇸 United States – Remote
💵 $130 / hour
⏳ Contract/Temporary
🟡 Mid-level
🟠 Senior
🔙 Backend Engineer
👻 Ghost score 2%
Improve your chances of getting an interview by checking your resume score before you apply.

51 - 200 employees
Founded 2023
🔥 Funding within the last year
💰 $350M Series C - Mercor on 2025-10
Mercor is a company for which no descriptive text was provided in the input. Additional information (products, services, target customers, or industry specifics) is needed to create an accurate summary and select appropriate industries.
• Select tasks from a pre-validated pool of Go repositories pinned to specific git commits • Explore repositories and relevant pull-request or issue history to understand the subsystem • Rewrite engineering questions to challenge coding agents while remaining well-defined and answerable • Adjust rubrics and foils to reward correct reasoning and reject plausible-but-wrong answers • Run the full validation loop in Mercor Studio: Check, Golden, Run, Analyze • Document work in the task README • Submit tasks for expert review and address reviewer feedback • Build datasets for AI agents to explore and reason about unfamiliar production Go repositories
• 3+ years of professional software engineering experience • Substantial production Go experience • Ability to navigate large, unfamiliar Go codebases and explain runtime behavior • Fluency in Go concurrency, interfaces, module boundaries, and the standard library • Comfort reading generated code and build tooling • Experience with distributed systems, networking, storage engines, or Kubernetes-ecosystem tooling highly relevant • Precise written English • Comfortable with git at commit level, containerized environments, and command-line tooling • Identity verification and background check • Signed Terms of Work and CIIAA • Tax form • Passing a short calibration quiz before task access is granted • Resume or relevant technical background • May be asked to complete a brief technical assessment or provide additional information
• Remote, asynchronous work • Payment of $130 per approved task • Expert team leads across US, India, and Nigeria time zones • Identity verification, background check, signed Terms of Work and CIIAA, tax form, and calibration quiz required for onboarding • Tasks reviewed by a second engineer and a super reviewer before acceptance • Reasonable accommodations upon request • Referral opportunity earning up to $250 per successful referral
Apply Now🔥 16 hours ago
Senior backend engineer building Java and Spring Boot services for a state government licensing platform on Google Cloud. Owning APIs, payments, compliance, and event-driven workflows.
🕒 2 days ago
Energy Storage Engineer planning and designing large-scale battery storage projects for Westinghouse staffing services. Supporting engineering, permitting, suppliers, milestones, and project delivery.
🇺🇸 United States – Remote
💵 $65 - $70 / hour
⏳ Contract/Temporary
🟡 Mid-level
🟠 Senior
🔙 Backend Engineer
🕒 2 days ago
AI coding-agent evaluator assessing reasoning, explanations, and engineering judgment in OpenAI Codex and Claude Code interactions. Providing rigorous feedback to define high-quality developer experiences.
🇺🇸 United States – Remote
💵 $100 - $200 / hour
⏳ Contract/Temporary
🟡 Mid-level
🟠 Senior
🔙 Backend Engineer
🕒 2 days ago
Senior AI interaction evaluator assessing OpenAI Codex and Claude Code responses. Judging reasoning, explanations, and engineering taste rather than writing production code.
🕒 September 4
Lead backend engineer architecting Java microservices and integrations for a Google Cloud state-government licensing platform. Owning security, payments, workflows, and delivery standards.