Explore remote AI Generalist jobs in Cambridge for 2026 at Rex.zone. Join our full-time engineering team to improve large language model evaluation, RLHF, and training data quality.
Date: 25-02-2026 Company: Rexzone Country: US Remote Type: Remote Employment Type: FULL_TIME Experience Level: Mid-Senior Industry: Technology Job Function: Engineering Skills: AI Generalist, Large Language Model Evaluation, RLHF, Prompt Engineering, Python, NLP, Training Data Quality Salary Currency: USD Salary Min: 63360 Salary Max: 126720 Pay Period: YEAR
Are you looking for remote AI Generalist jobs in Cambridge for 2026? Rex.zone is hiring full-time, mid-senior professionals to drive large language model evaluation and model performance improvement. In this remote role, you will bridge the gap between complex engineering workflows and high-quality data labeling. Your primary focus will be on RLHF (Reinforcement Learning from Human Feedback), prompt evaluation, and ensuring strict annotation guidelines compliance. By joining our AI labs, you will directly impact LLM training pipelines, working alongside experts in NLP, computer vision, and content safety labeling.
As an AI Generalist, you will manage diverse AI/ML training workflows. Responsibilities include executing QA evaluation for generative AI outputs, performing named entity recognition, and guiding computer vision annotation tasks. You will collaborate with tech startups and annotation vendors to maintain training data quality. Whether you are handling content safety labeling or refining prompt evaluation frameworks, your expertise will ensure our models achieve superior accuracy and alignment.
Ideal candidates for this full-time remote position possess a strong background in machine learning and data operations. You must have proven experience in large language model evaluation, RLHF, and NLP. Familiarity with Python, data labeling platforms, and QA evaluation protocols is essential. We welcome applicants with diverse backgrounds, from freelance annotation specialists to senior AI engineers, who are passionate about shaping the future of AI at Rex.zone.
An AI Generalist is a versatile professional who handles multiple stages of the AI/ML lifecycle, including data labeling, RLHF, prompt evaluation, and QA evaluation to improve large language model performance.
Yes, this is a full-time remote role. While it is targeted for the Cambridge 2026 hiring cohort, you can work remotely from anywhere in the US, collaborating seamlessly with our global AI labs.
Key skills include expertise in NLP, computer vision annotation, content safety labeling, and ensuring annotation guidelines compliance to maintain high training data quality.
You can apply directly through the Rex.zone platform. We offer various roles ranging from entry-level freelance tasks to senior full-time engineering positions in AI data operations.
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