Remote Senior Machine Learning Engineer - LLM Evaluation / Task Creations (India Based) - AI Trainer ($21-$21 per hour)
Remote Senior Machine Learning Engineer - LLM Evaluation / Task Creations (India Based) - AI Trainer ($21-$21 per hour)
Mercor • Fairfield, Ohio, US
[job_card.variable_days_ago]
[job_preview.job_type]
[job_card.full_time]
[filters.remote]
[job_card.job_description]
##
Role Description
Mercor is hiring on behalf of a leading AI research lab to bring on highly skilled
Machine Learning Engineers
with a proven record of building, training, and evaluating high-performance ML systems in real-world environments. In this role, you will design, implement, and curate high-quality machine learning datasets, tasks, and evaluation workflows that power the training and benchmarking of advanced AI systems. This position is ideal for engineers who have excelled in competitive machine learning settings such as Kaggle, possess deep modelling intuition, and can translate complex real-world problem statements into robust, well-structured ML pipelines and datasets. You will work closely with researchers and engineers to develop realistic ML problems, ensure dataset quality, and drive reproducible, high-impact experimentation.
Candidates should have 3+ years of applied ML experience or a strong record in competitive ML, and must be based in India.
Ideal applicants are proficient in Python, experienced in building reproducible pipelines, and familiar with benchmarking frameworks, scoring methodologies, and ML evaluation best practices.
##
Responsibilities
Frame unique ML problems for enhancing ML capabilities of LLMs. - Design, build, and optimise machine learning models for classification, prediction, NLP, recommendation, or generative tasks. - Run rapid experimentation cycles, evaluate model performance, and iterate continuously. - Conduct advanced feature engineering and data preprocessing. - Implement adversarial testing, model robustness checks, and bias evaluations. - Fine-tune, evaluate, and deploy transformer-based models where necessary. - Maintain clear documentation of datasets, experiments, and model decisions. - Stay updated on the latest ML research, tools, and techniques to push modelling capabilities forward.
##
Required Qualifications
At least
3 years
of full-time experience in machine learning model development - Technical degree in Computer Science, Electrical Engineering, Statistics, Mathematics, or a related field - Demonstrated competitive machine learning experience (Kaggle, DrivenData, or equivalent) - Evidence of top-tier performance in ML competitions (Kaggle medals, finalist placements, leaderboard rankings) - Strong proficiency in
Python
PyTorch / TensorFlow
, and modern ML / NLP frameworks - Solid understanding of ML fundamentals : statistics, optimisation, model evaluation, architectures - Experience with distributed training, ML pipelines, and experiment tracking - Strong problem-solving skills and algorithmic thinking - Experience working with cloud environments (AWS / GCP / Azure) - Exceptional analytical, communication, and interpersonal skills - Ability to clearly explain modelling decisions, tradeoffs, and evaluation results - Fluency in English
##
Preferred / Nice to Have
Kaggle
Grandmaster
Master
, or multiple
Gold Medals
Experience creating benchmarks, evaluations, or ML challenge problems - Background in generative models, LLMs, or multimodal learning - Experience with large-scale distributed training - Prior experience in AI research, ML platforms, or infrastructure teams - Contributions to technical blogs, open-source projects, or research publications - Prior mentorship or technical leadership experience - Published research papers (conference or journal) - Experience with LLM fine-tuning, vector databases, or generative AI workflows - Familiarity with MLOps tools : Weights & Biases, MLflow, Airflow, Docker, etc. - Experience optimising inference performance and deploying models at scale
##
Why Join
Gain exposure to cutting-edge AI research workflows, collaborating closely with data scientists, ML engineers, and research leaders shaping next-generation AI systems. - Work on high-impact machine learning challenges while experimenting with advanced modelling strategies, new analytical methods, and competition-grade validation techniques. - Collaborate with world-class AI labs and technical teams operating at the frontier of forecasting, experimentation, tabular ML, and multimodal analytics. - Flexible engagement options (
30–40 hrs / week or full-time
) — ideal for ML engineers eager to apply Kaggle-level problem solving to real-world, production-grade AI systems. - Fully remote and globally flexible — optimised for deep technical work, async collaboration, and high-output research environments.
[job_alerts.create_a_job]
Senior Machine Learning Engineer • Fairfield, Ohio, US
[internal_linking.related_jobs]
Nurse Practitioner - PRN
Matrix Medical Network • Eaton, OH, US
[job_card.full_time]
Matrix Medical Network pioneered the first national in-home clinical network, and today we’re an independent provider of comprehensive health assessments serving people across the nation.We d...[show_more]
[last_updated.last_updated_30] • [promoted]
Remote English Writer
Outlier • Hamilton, OH, United States
[filters.remote]
[job_card.full_time]
Earn up to $15 / hour + performance bonuses.Outlier, a platform owned and operated by Scale AI, is looking for.If you're passionate about improving models and excited by the future of AI, this is you...[show_more]
Under the supervision of the Assistant Vice President of Research and Analytics, Data Research Analyst works as part of a dynamic team within Enrollment Management and Student Success (EMSS) to sup...[show_more]
[last_updated.last_updated_30] • [promoted]
Remote Entry-Level Currency Trader
Maverick Currencies • Cincinnati, OH
[filters.remote]
[job_card.full_time] +1
Top-ranked proprietary trading firm, Maverick Currencies, is searching for entrepreneurially-minded, profit-driven people to be trained in the art and science of proprietary trading in its online c...[show_more]
[last_updated.last_updated_30] • [promoted]
AI Developer - Remote - 66737
PRIMUS Global Services, Inc • Cincinnati, OH, United States
[filters.remote]
[job_card.full_time]
[filters_job_card.quick_apply]
AI Developer (Telecommute) - 66737 - Remote We have an immediate...[show_more]
We are looking for a finance professional to join our team to train AI models.You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of ...[show_more]
[last_updated.last_updated_30] • [promoted]
Remote AI Writing Specialist
Outlier • Hamilton, OH, United States
[filters.remote]
[job_card.full_time]
Earn up to $16 USD / hourly and work remotely and flexibly.Outlier, a platform owned and operated by Scale AI, is looking for.
If you're passionate about improving models and excited by the future of ...[show_more]
Earn up to $15 / hour + performance bonuses.Outlier, a platform owned and operated by Scale AI, is looking for.If you're passionate about improving models and excited by the future of AI, this is you...[show_more]
Element Materials Technology • Fairfield, OH, United States
[job_card.full_time]
Medical Device Project Engineer.Element has an opportunity for an •on-site •.Medical Device Project Engineer.This position manages the day to day activities of multiple projects including : planning,...[show_more]
[last_updated.last_updated_30] • [promoted]
Remote Machine Learning Engineer - AI Trainer ($80-$120 per hour)
Mercor • Hamilton, Ohio, US
[filters.remote]
[job_card.part_time]
At Mercor, we’re building the talent engine that helps leading labs and research orgs move AI forward.Our latest initiative focuses on benchmarking and improving model performance and training spee...[show_more]
Remote M&A Associate - AI Trainer ($50-$60 / hour)
Data Annotation • Hamilton, Ohio
[filters.remote]
[job_card.full_time] +1
We are looking for a finance professional to join our team to train AI models.You will measure the progress of these AI chatbots, evaluate their logic, and solve problems to improve the quality of ...[show_more]
RAG - Vector Databases - Cloud - AI / ML.This Jobot Job is hosted by : Chuck Wirtz.Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume.Salary : $120,000 - $150,0...[show_more]
Earn up to $15 / hour + performance bonuses.Outlier, a platform owned and operated by Scale AI, is looking for.If you're passionate about improving models and excited by the future of AI, this is you...[show_more]
Research Associate - Elewa Lab.The Elewa lab is recruiting a full-time, temporary position for 6 months for a research associate to conduct research in the area of parental effects on embryo develo...[show_more]
[last_updated.last_updated_30] • [promoted]
Senior Research Assistant - Del Rio Tsonis Lab
InsideHigherEd • Oxford, Ohio, United States
[job_card.full_time] +1
Senior Research Assistant - Del Rio Tsonis Lab.The Del Rio-Tsonis lab is looking for a full-time Senior Research Assistant to conduct research in the area of regenerative biology of the eye using c...[show_more]
Application readers are paid on an hourly basis, the pay scale is determined by the reader’s years of experience and number of files read per year.
Must commit to at least 15 hours per week during O...[show_more]
[last_updated.last_updated_30] • [promoted]
Data Engineer
Encore Talent Solutions • Cincinnati, OH, US
[job_card.full_time]
Encore Talent Solutions is seeking a Data Engineer to help support a client.The data engineer designs and builds platforms, tools, and solutions that help the client manage, secure, and generate va...[show_more]
[last_updated.last_updated_30] • [promoted]
Remote Entry-Level Currency Trader Job in Cincinnati, OH | Full Time
Maverick Currencies • Cincinnati, OH
[filters.remote]
[job_card.full_time] +1
Top-ranked proprietary trading firm, Maverick Currencies, is searching for entrepreneurially-minded, profit-driven people to be trained in the art and science of proprietary trading in its online c...[show_more]