Senior Software Engineer

Job not on LinkedIn

🔥 1 minute 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 task proposals explaining realism, verification methods, and difficulty for current AI models • Write reference solutions, tests, and precise task-specific criteria for correctness, architecture, maintainability, style, and scope • Assess AI-generated code and engineering work • Work alongside AI coding agents to evaluate their successes and failures • Apply consistent, evidence-based judgment to make assessments reproducible and defensible • Receive structured feedback from senior reviewers and iterate on submitted work • Help train and evaluate frontier AI models for real-world software engineering • Avoid access to confidential or proprietary information from employers, clients, or institutions

🎯 Requirements

• 4+ years of professional software engineering experience • Experience at a leading technology or quantitative firm, top-tier quant fund, top financial institution, high-growth household-name technology company, or equivalent qualifying employer • Mid-senior or senior-level title where applicable • Machine Learning, Infrastructure, Data, Security, and Quant Developer engineering roles may qualify • Strong command of at least one major language such as Python, Java, C++, Go, TypeScript, or Rust • Knowledge of system design, testing, debugging, and code review • Experience working in large, complex production codebases • Ability to judge 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, consistent approach to evaluating complex work • Comfortable receiving feedback and calibrating judgment against set standards • Must be based in the United States, United Kingdom, Canada, Australia, or New Zealand • Independent contractor engagement • H1-B and STEM OPT candidates are not supported

🏖️ Benefits

• Fully remote role • Flexible schedule / work on your own schedule • Projects may be extended, shortened, or concluded early depending on needs and performance • Weekly payments via Stripe or Wise based on services rendered • Competitive pay • Collaboration with leading researchers • Reasonable accommodations upon request • Referral payments of up to $720 per successful referral (referral limits apply)

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