Lead Software Engineer

Mercor; Remote; GBP 100,000 - 125,000; Part time

Job summary

A leading technology firm in the United Kingdom is looking for a Software Engineer on a freelance basis. The role involves crafting realistic developer prompts, collaborating with AI teams, and writing accurate technical responses. Candidates must have at least 2 years of experience in software engineering with strong proficiency in languages like Python and JavaScript, and a relevant degree. This position offers flexible hours with compensation ranging from $70 to $120 per hour, and starts immediately.

Qualifications

• 2+ years of experience in software engineering, technical research, or educational content development.
• Bachelor's degree in Software Engineering, Computer Science, or a related field.
• Strong proficiency in languages like Python, JavaScript, Java or C++.
• Experience with debugging, testing, and validating code.
• Comfortable with technical writing and attention to detail.

Responsibilities

• Craft realistic developer prompts across multiple categories such as code review, debugging, and error diagnosis.
• Source and adapt content from real PRs to create authentic scenarios.
• Write clear, technically accurate model responses demonstrating strong reasoning and explanation quality.
• Collaborate with AI research teams to improve training data quality and downstream performance.
• Work independently and asynchronously to meet deadlines while enhancing AI model performance.

Skills

Software engineering experience

Technical research

Educational content development

Proficiency in Python

Proficiency in JavaScript

Proficiency in Java

Proficiency in C++

Debugging

Technical writing

Education

Bachelor's degree in Software Engineering

Bachelor's degree in Computer Science

Related field degree

Job description

Overview

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: Software Engineer

Type: Freelance

Compensation: $70–$120/hour

Duration: 1–2 months

Commitment: 15–40 hours/week

Role Responsibilities

• Craft realistic developer prompts across multiple categories such as code review, debugging, and error diagnosis.
• Source and adapt content from real PRs to create authentic scenarios.
• Write clear, technically accurate model responses demonstrating strong reasoning and explanation quality.
• Collaborate with AI research teams to improve training data quality and downstream performance.
• Work independently and asynchronously to meet deadlines while enhancing AI model performance.

Qualifications

• Must-Have: 2+ years of experience in software engineering, technical research, or educational content development.
• Bachelor's degree in Software Engineering, Computer Science, or a related field.
• Strong proficiency in languages like Python, JavaScript, Java, or C++.
• Experience with debugging, testing, and validating code.
• Comfortable with technical writing and attention to detail.

Start Date

• Immediate

Application Process

• Upload resume
• AI interview based on your resume
• Follow-up communication within a few days with next steps and onboarding details

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: [e-mail]

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.