Senior Python Engineer — AI Model Training & Evaluation
Prolific
Prolific in the United Kingdom is seeking Senior Python Developers to join our Expert Network and help train and evaluate cutting-edge AI models. You will review AI-generated Python code for correctness, audit logic and run integration tests in appropriate environments. You should have a strong background in Python, Django/FastAPI/Flask, and modern testing practices, with a focus on clean, scalable code and robust security considerations. Remote-friendly, paid tasks, competitive rates. #J-18808-Ljbffr Prolific
- Prolific is seeking Senior Python Developers to join our Expert Network to train and evaluate cutting-edge AI models. If you have a background in Software Engineering, you’ll complete a brief skills test and, if successful, join Prolific as a participant tester, earning...SeniorTrainingRemote job
- Prolific is seeking Senior Python Developers to join our Expert Network, helping train and evaluate AI models. You will tackle AI-generated Python code, audit logic, test execution, and provide feedback on backend architecture and APIs. Join a globally distributed team,...SeniorTrainingRemote jobWork from homeFlexible hours
$295k
...security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products... ...problems.We’re training and deploying frontier... ...a team of researchers, engineers, designers, and more, who... ...Join us!Role Overview:Evaluation is critical to making progress...SeniorTrainingFull timeWork at officeLocal areaRemote workHome office- Prolific seeks Senior Python Developers to join its Expert Network for training and evaluating AI models. A quick 10-15 minute skill test may be required, with paid tasks and flexible hours, including the option to work from home. Responsibilities include evaluating AI-...SeniorTrainingRemote jobWork from homeFlexible hours
- Prolific is seeking a JavaScript Specialist for AI training to evaluate and refine AI-generated JavaScript/TypeScript code. You will audit code... ...BS/MS/PhD in a related field. Join our Expert Network and get paid to train and evaluate AI models. #J-18808-Ljbffr ProlificSeniorTrainingRemote job
$60 - $90 per hour
...technical talent with leading AI research labs.... ...Position: Machine Learning Engineer — Model Evaluation & Experimentation Type:... ...implementing changes, running training experiments, and analyzing... ...techniques. ~ Proficiency in Python and Git . Preferred...TrainingContract workSummer workRemote workAI Model Evaluation. The role is remote for US-eligible contractors, with responsibilities... ...-based grading, and documenting corrected approaches for training the modeling team. ... TrainingRemote jobFor contractors- Obsidian is seeking Insurance domain SMEs to join a cutting-edge AI training program. You will evaluate AI model outputs against real underwriting practice and rubrics, guiding research and engineering teams to close knowledge gaps in underwriting, claims, and risk assessment...Training
- AI Trainer Jobs is seeking biologists to join an AI training project. You will review AI-generated responses, evaluate reasoning quality and provide expert feedback to ensure accuracy, clarity... ...AI performance, and ensuring model integrity by fact-checking biology information...Training
$50 - $60 per hour
...company is seeking an Investment Partner to join their remote team in the United States. This role involves training AI models, measuring their progress, and evaluating outputs to enhance their quality. Ideal candidates should possess expert-level financial reasoning and...TrainingRemote jobHourly payFlexible hours$50 per hour
Python - Senior Developers - AI Training - UK About Prolific Prolific is not just another player in the AI space... ...our Expert Network to help train and evaluate cutting-edge AI models. If you have a background in Software Engineering, we’ll send you a quick 10- to 15-minute...SeniorTrainingWork from homeFlexible hours- ...infrastructure companies, working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent. About the Role: We're... ...Required Skills: Proficiency in Python (especially building/maintaining...TrainingFor contractorsFreelanceImmediate startRemote work
- ...full frontier post- training loop end to end:... ...Deep expertise in LLM evaluation, benchmark design, and... ...quality as inputs to model training – not evaluation... ...of experience in AI/ML research post- undergrad... ...company Engineering fluency (Python/PyTorch) to collaborate...SeniorTraining
- ...infrastructure companies, working with frontier AI labs to accelerate model development through high-quality training data, evaluations, and engineering talent. About the Role: We're... ...Required Skills: Proficiency in Python (especially building/maintaining...TrainingFor contractorsFreelanceImmediate startRemote work
- ...Junior Data Scientist to join a remote contract role supporting an AI lab partnership. You will apply rigorous statistics, ML methods, experimentation design, and quantitative reasoning to evaluate model outputs and drive model quality. You will assess data science...Remote jobContract work
$100k - $140k
...enthusiastic Full Stack Senior Software Developer with... ...products. We value an 'AI-first' mindset,... ...AI-coding tools, React, Python, AWS cloud, Google BigQuery... ...Serve as a technical role model Senior team members... ...tuition reimbursement, and training Collaborative Work...SeniorTrainingFull time- SME Careers is hiring a Senior Python Engineer to work remotely on an hourly basis. You will review AI-generated Python solutions and explanations, craft... ...communication skills. You will develop prompts, evaluate AI responses, and ensure model integrity while #J-18808-Ljbffr...SeniorRemote jobHourly payContract workFor contractors
- OpenTeams seeks a Senior AI/ML Test and Evaluation Engineer to build and operate benchmarking and evaluation capabilities at the core of our AI platform... ...design automated metrics and human judgments to compare models and agentic workflows, surface failure modes, and...SeniorRemote job
- Cincinnatus LLC is seeking behavioral health experts to help evaluate how AI models respond in everyday conversations about relationships, wellbeing and beliefs. This part-time role focuses on neutrality, safety and balanced guidance, with 20-40 hours per week and a W-...Part time
- ...Meridial is seeking a Lithuanian Voice Actor for a Freelance AI Trainer Project to contribute to the development of AI... .... This remote role focuses on delivering high-quality training data by recording scripts, evaluating AI outputs, and collaborating on design guidelines. The...SeniorTrainingHourly payFreelanceRemote work
$165k - $260k
Senior Quant/ML Engineer - Fixed Income - Artificial Intelligence... ...department has 400+ AI practitioners building... ...modern asset pricing models. We are looking for people... ...designing, building, evaluating, and maintaining... ...conditions, education/training and skill level. We offer...SeniorTrainingTemporary workFor contractorsWork experience placementCasual workWork at office$60 per hour
Prolific is seeking Chemistry Experts and Chemical Engineers to join our Expert Network to train and evaluate AI models using real-world chemical expertise. If successful, you’ll be invited to join Prolific as a participant, with pay up to $60 per hour and flexible hours...TrainingRemote jobHourly payFlexible hours- AuraOne is seeking a Molecular Biology Experts - US reviewer to evaluate AI outputs in biology reasoning, calculations, and research... ...key steps, verify derivations, and document correct methods for training data. This contractor role emphasizes scientific domain expertise...TrainingRemote jobFor contractors
$100k - $140k
...enthusiastic Full Stack Senior Software Developer... .... We value an “AI-first” mindset,... ...coding tools, React, Python, Amazon Web... ...Hospital Data Insights engineering team on U.S. News... ...a technical role model responsible for promoting... ..., and training Collaborative Work...SeniorTrainingFull timeShift work- ...seeks an experienced voice actor to help shape AI voice models through training data. You will record scripted material, evaluate AI outputs for pronunciation, tone, and... ...required. This is a remote contract role at senior level, based in the United States. #J-18808-...TrainingRemote jobContract workFreelance
- Cohere, a leading security-first enterprise AI company, is seeking a Senior Machine Learning Engineer focused on synthetic data. You will own end... ...pipelines, data analysis, ablations, and model evaluation to improve training metrics and token efficiency for our language...SeniorTrainingRemote job
- Nivoda is hiring a Senior AI/ML Engineer for the Discovery Pod. You will own ranking, recommendation... ...end-to-end, including features, training, evaluation, deployment, and monitoring. This... ...offline metrics, and stress-testing model outputs, ensuring robust, scalable search...SeniorTraining
$229.9k - $262.4k
Sr. Manager, AI Engineer (Gen AI Platform Services: Agentic AI, Guardrails, Evaluation) At Capital One, we are creating... ...of customers. Our AI models and platforms empower... ...foundation model training, large language model... ...Guardrails, Memory) using Python, C++, C#, Java, CUDA,...SeniorTrainingFull timePart timeLocal area- ...Position |As a Senior Data Scientist... ...recommendation engine that powers each... ...design, build, evaluate, and continuously improve the models that learn each... ...raw data into training/evaluation datasets... ..., or Vertex AI Vector Search)... ...the role.Strong Python and modern ML frameworks...SeniorTrainingFull timeTemporary workWork at officeLocal areaRemote workFlexible hours3 days per week
- Agency is seeking a seasoned Japanese voice actor to contribute to the AI training data for next-generation voice models. This remote contractor role involves recording Japanese scripts, evaluating AI-generated outputs for linguistic accuracy, and annotating errors to...SeniorTrainingRemote jobFor contractors
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Python Engineer — AI Model Training & Evaluation. Be the first to apply!
- senior python developer New York, NY
- full stack / python developer (remote) New York, NY
- python developer part time New York, NY
- python engineer New York, NY
- python developer New York, NY
- python developer remote New York, NY
- python developer data analytics New York, NY
- python programmer New York, NY
- backend python developer New York, NY
- senior business development New York, NY






