Frontier AI Project Lead - Post-Training & Data Evaluation

Appen Limited; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Appen Limited is seeking a Strategic Project Lead – AI Post-Training to guide AI data programs and frontier model improvements. You will own delivery, define data requirements, and work with clients and internal teams to translate research needs into actionable workflows.

This role focuses on end-to-end project management, quality standards for data and evaluation outputs, and building reusable guidelines. You will mentor Operations Specialists and help shape new capabilities in a fast-evolving

Qualifications

• 1–2+ years of experience in AI data operations, project coordination, or delivery.
• Familiarity with at least one AI post-training or model evaluation workflow.
• Experience coordinating projects or workstreams, managing stakeholders, and communicating with clients.
• Understanding of data quality, annotation workflows, and quality assurance methods.
• Ability to translate evolving requirements into clear workflows, rubrics, and measurable quality standards.
• Strong troubleshooting and organizational skills, with the ability to manage multiple priorities.
• Interest in current AI developments, including frontier models and post-training approaches.
• Bilingual capabilities, particularly German or a Nordic language.

Responsibilities

• Own end-to-end project delivery, including scope, timelines, budgets, staffing, and risk management.
• Lead client communication, status reporting, planning sessions, and escalations.
• Translate model improvement objectives into data requirements, workflows, rubrics, and evaluation plans.
• Define quality standards and acceptance criteria for preference data, model comparisons, and evaluation outputs.
• Monitor delivery quality, investigate inconsistencies, and resolve ambiguous requirements with clients.
• Advise on data design, evaluation approaches, and project feasibility based on your domain expertise.
• Develop reusable guidelines, SOPs, and QA frameworks to improve consistency across programs.
• Mentor Operations Specialists and contribute to project scoping, pilots, and new capability development.

Skills

AI data operations

Project coordination

Stakeholder management

Data quality

Requirements translation

Troubleshooting

Prioritization

Bilingual

Job description

Appen Limited is seeking a Strategic Project Lead – AI Post-Training to guide AI data programs and frontier model improvements. You will own delivery, define data requirements, and work with clients and internal teams to translate research needs into actionable workflows.

This role focuses on end-to-end project management, quality standards for data and evaluation outputs, and building reusable guidelines. You will mentor Operations Specialists and help shape new capabilities in a fast-evolving