Mercor Software Engineering & Systems Design Expert Job 2026 | Apply Now | Remote Engineering Role
Mercor, a fast-growing AI technology company at the forefront of AI systems, engineering solutions, and distributed architectures, is hiring for the Software Engineering & Systems Design Expert position. This role is ideal for experienced software engineers who want to work on complex distributed systems, scalable software solutions, and high-impact engineering projects. Mercor connects elite technical talent with the world’s leading AI research labs and enterprises driven by cutting-edge innovation.
The Software Engineering & Systems Design Expert role offers a unique opportunity to influence software architecture, contribute to large-scale systems, and collaborate with global teams in a flexible or remote working environment. This position is perfect for engineers seeking dynamic technical challenges and career growth in AI-driven engineering.
Job Overview
| Job Detail | Information |
|---|---|
| Company Name | Mercor |
| Job Role | Software Engineering & Systems Design Expert |
| Job Type | Full Time Remote / Global |
| Experience Level | Experienced Software Engineers |
| Domain | Software Engineering and Systems Architecture |
| Location | Remote / Worldwide |
| Apply Mode | Online |
About Mercor
Mercor is a rapidly expanding American technology company specializing in AI systems, software infrastructure, and engineering excellence. The company connects top engineering talent with advanced AI research and product teams, helping to build and refine software systems that power AI development and deployment. Mercor is driven by innovation, data-driven engineering, and a mission to unlock human potential in the AI economy.
Job Description – Software Engineering & Systems Design Expert
As a Software Engineering & Systems Design Expert at Mercor, you will lead and execute advanced engineering initiatives that support distributed systems, high-performance software tools, and scalable applications used by AI platforms and enterprise systems.
You will collaborate with cross-functional teams, guide system architectures, and help implement engineering best practices. This role emphasizes clean code, robust systems, architectural thinking, and mentoring of other engineers.
What You’ll Do
- 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
- Conduct accuracy testing by executing code and validating outputs using appropriate tools
- 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
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Who You Are
- You hold a BS, MS, or PhD in Computer Science or a closely related field
- You have significant real-world experience in software engineering or related technical roles
- You are an expert in at least one relevant programming language (e.g., Python, Java, C++, JavaScript, Go, Rust)
- You are able to solve HackerRank or LeetCode Medium and Hard–level problems independently
- You have experience contributing to well-known open-source projects, including merged pull requests
- You have significant experience using LLMs while coding and understand their strengths and failure modes
- You have strong attention to detail and are comfortable evaluating complex technical reasoning, identifying subtle bugs or logical flaws
Nice-to-Have Specialties
- 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
What Success Looks Like
- You identify incorrect logic, inefficiencies, edge cases, or misleading explanations in model-generated code, technical concepts, and system design discussions
- Your feedback improves the correctness, robustness, and clarity of AI coding outputs
- You deliver reproducible evaluation artifacts that strengthen model performance
- Mercor customers trust AI systems to assist reliably with real-world coding tasks
Why Join Mercor
At Mercor, experienced software engineers play a direct role in shaping how AI systems reason about and generate code. This flexible, remote role allows you to apply your technical expertise to high-impact AI development work, improving systems used by developers around the world.
We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.
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Contract and Payment Terms
- You will be engaged as an independent contractor.
- This is a fully remote role that can be completed on your own schedule.
- Projects can be extended, shortened, or concluded early depending on needs and performance.
- Your work at Mercor will not involve access to confidential or proprietary information from any employer, client, or institution.
- Payments are weekly on Stripe or Wise based on services rendered.
- Please note: We are unable to support H1-B or STEM OPT candidates at this time.
How to Apply for Mercor Careers
Interested and eligible candidates can apply online by following the steps below.
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Click on the Apply Link provided below.
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You will be redirected to the Mercor Careers official page.
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Click “Apply Now” to create your candidate profile.
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Upload your Resume and fill in the required details.
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Submit your application.
Click Here to Apply for Mercor
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