Senior Software Engineer

Job not on LinkedIn

🔥 2 minutes ago

🌐 United States, United Kingdom, +3 more countries – Remote

🇺🇸 United States – Remote 🇬🇧 United Kingdom – Remote 🇨🇦 Canada – Remote 🇦🇺 Australia – Remote 🇳🇿 New Zealand – Remote

💵 $120 - $180 / hour

⏳ Contract/Temporary

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 11%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Mercor

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2023

💰 $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.

📋 Description

• Design realistic, challenging software engineering tasks based on real-world work • Create tasks involving feature changes, debugging, root-cause analysis, code review, system design, architecture decisions, codebase Q&A, and technical documentation and planning • Write clear task proposals explaining realism, verification methods, and difficulty for current AI models • Write reference solutions, tests, and precise criteria covering correctness, architecture, maintainability, style, and scope • Assess AI-generated code and engineering work • Work alongside AI coding agents to evaluate where they succeed and fail • Apply consistent, evidence-based judgment to produce reproducible and defensible assessments • Receive structured feedback from senior reviewers and iterate on submitted work • Train and evaluate frontier AI models for Mercor's AI research lab partners

🎯 Requirements

• 4+ years of professional software engineering experience • Experience at a leading technology or quantitative firm, top-tier quant fund, top financial institution, or high-growth household-name technology company • Mid-senior or senior-level title where applicable • Machine Learning, Infrastructure, Data, Security, and Quant Developer engineering experience may qualify • Strong command of at least one major programming language such as Python, Java, C++, Go, TypeScript, or Rust • Experience with system design, testing, debugging, and code review • Ability to work in large, complex production codebases • Ability to evaluate code quality beyond whether tests pass • Excellent written English and ability to explain technical decisions and trade-offs clearly • Bachelor's degree from an English-speaking country • Detail-oriented and consistent approach to evaluating complex work • Comfortable receiving feedback and calibrating judgment against set standards • Must not require H-1B or STEM OPT support; Mercor cannot support H-1B or STEM OPT candidates

🏖️ Benefits

• Fully remote role • Flexible schedule; work can be completed on your own schedule • Weekly payments via Stripe or Wise • Competitive pay • Independent contractor engagement • Opportunity to collaborate with leading researchers • Projects may be extended, shortened, or concluded early depending on needs and performance • Reasonable accommodations upon request • Referral payments of up to $720 per successful referral (referral limits apply)

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