Cross Border Talents
AI Engineer
AI Engineer at Cross Border Talents, based in London. This is a contract role.
- Pay
- Not given by the employer
- Hours and contract
- Contract · On site
- Location
- London
- Closing date
- Sector
- Data Analyst
Reference 609233298865789472
About the role
AI Engineer
Job Type: Contractor
Location: Remote
Schedule: Flexible choose your preferred hours and days including weekends
Openings: 100
Rate: $60$120/hour
About the Role
Were looking for experienced software engineers to help evaluate and improve next-generation AI this role youll use your software engineering expertise to create challenging realistic tasks that test how well AI models can solve complex programming problems.
Youll design reinforcement learning environments where AI agents interact with real software projects and tools to diagnose and solve engineering challenges. Assignments may include debugging implementing new features refactoring existing code and improving performance.
Youll also create reproducible environments reliable verification systems and reference solutions that accurately evaluate an AI agents reasoning tool usage and software engineering capabilities.
Prior AI or machine learning experience is not required. Strong software engineering expertise is the most important qualification.
Responsibilities
- Create realistic software engineering tasks for AI model evaluation.
- Develop reinforcement learning environments using Model Context Protocol (MCP) tools.
- Design tasks involving bug fixes feature implementation refactoring and performance optimization.
- Build deterministic verification and testing processes to evaluate solutions.
- Develop high-quality reference or golden solutions for benchmarking.
- Ensure environments are reproducible reliable and representative of real-world engineering workflows.
- Analyze complex codebases and identify meaningful engineering challenges.
- Document tasks solutions and evaluation criteria clearly.
Required Qualifications
- Strong proficiency in one or more of C Python Java Go TypeScript or Rust.
- Solid understanding of algorithms data structures and software engineering fundamentals.
- Demonstrated experience debugging complex software issues.
- Strong experience developing features and refactoring existing codebases.
- Experience with performance optimization and scalability.
- Excellent written and verbal communication skills.
- Strong attention to detail and ability to produce reliable high-quality work.
- Ability to work independently and collaborate effectively in a remote environment.
Preferred Qualifications
- Experience working with large-scale or distributed codebases.
- Familiarity with AI machine learning or agent-based systems.
- Experience with rigorous code reviews and software development best practices.
- Familiarity with developer tools APIs testing frameworks or automated evaluation systems.
Why Join
- $60$120/hour depending on experience and expertise.
- Flexible schedule.
- Fully remote.
- Opportunity to contribute to the development and evaluation of advanced AI systems.
- Work on challenging real-world software engineering problems.
- No prior AI experience required.
Employment Type : Full Time
Experience: years
Vacancy: 1
Reference: 609233298865789472 · Posted 4 days ago · Closes 6 Dec 2026 · Listed via Cross Border Talents
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