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Java Software Engineer
Java Software EngineerMercor • Montreal (administrative region), QC, CA
Java Software Engineer

Java Software Engineer

Mercor • Montreal (administrative region), QC, CA
5 days ago
Job type
  • Full-time
Job description

About The Job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

Position : AI Model Evaluator

Type : Full‑time or Part‑time Contract Work

Compensation : $60–$100 / hour

Location : Remote

Role Responsibilities

  • Evaluate LLM-generated responses to coding and software engineering queries for accuracy, reasoning, clarity, and completeness.
  • Conduct fact‑checking using trusted public sources and authoritative references.
  • Execute code and validate outputs using appropriate tools to conduct accuracy testing.
  • Annotate model responses by identifying strengths, areas of improvement, and factual or conceptual inaccuracies.
  • Assess code quality, readability, algorithmic soundness, and explanation quality.
  • Ensure model responses align with expected conversational behavior and system guidelines.
  • Apply consistent evaluation standards by following clear taxonomies, benchmarks, and detailed evaluation guidelines.

Qualifications

Must‑Have

  • BS, MS, or PhD in Computer Science or a closely related field
  • 5+ years of real‑world experience in software engineering or related technical roles
  • Expertise in at least two relevant programming languages (e.g., Python, Java, C++, C, JavaScript, Go, Rust, Ruby, SQL, Powershell, Bash, Swift, Kotlin, R, TypeScript, HTML / CSS)
  • Ability to solve HackerRank or LeetCode Medium and Hard‑level problems independently
  • Experience contributing to well‑known open‑source projects, including merged pull requests
  • Significant experience using LLMs while coding and understanding their strengths and failure modes
  • Strong attention to detail and comfort evaluating complex technical reasoning, identifying subtle bugs or logical flaws
  • Preferred

  • Prior experience with RLHF, model evaluation, or data annotation work
  • Track record in competitive programming
  • Experience reviewing code in production environments
  • Familiarity with multiple programming paradigms or ecosystems
  • Experience explaining complex technical concepts to non‑expert audiences
  • Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form
  • Resources & Support

  • For details about the interview process and platform information, please check : https : / / talent.docs.mercor.com / welcome / welcome
  • For any help or support, reach out to : support@mercor.com
  • PS : Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

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    Java Software Engineer • Montreal (administrative region), QC, CA

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