Remote Senior Machine Learning Engineer - LLM Evaluation / Task Creations (India Based) - AI Trainer ($35-$35 per hour)Mercor • Fitchburg, Massachusetts, US
[error_messages.no_longer_accepting]
Remote Senior Machine Learning Engineer - LLM Evaluation / Task Creations (India Based) - AI Trainer ($35-$35 per hour)
Mercor • Fitchburg, Massachusetts, 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 2+ 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
2 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 • Fitchburg, Massachusetts, US
[internal_linking.similar_jobs]
Travel MRI Tech - $2,448 per week in Boston, MA
AlliedTravelCareers • Worcester, Massachusetts, US
[job_card.full_time]
AlliedTravelCareers is working with Atlas MedStaff to find a qualified MRI Tech in Boston, Massachusetts, 02130!.Atlas Medstaff is currently seeking candidates in the MRI Tech (MRI Tech) profession...[show_more]
The Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.
Navy and navies around the w...[show_more]
[last_updated.last_updated_30] • [promoted]
Remote Entry-Level Currency Trader
Maverick Currencies • Worcester, MA
[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]
Remote Entry-Level Currency Trader Job in Worcester, MA | Full Time
Maverick Currencies • Worcester, MA
[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]
Remote M&A Associate - AI Trainer ($50-$60 / hour)
Data Annotation • Leominster, Massachusetts
[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]
[last_updated.last_updated_30] • [promoted]
Machine Learning Engineer, vLLM Inference Tool Calling and Structured Output
Red Hat • Boston, New Hampshire, USA
[job_card.full_time] +1
At Red Hat we believe the future of AI is open and we are on a mission to bring the power of open-source LLMs and vLLM to every enterprise.
The Red Hat Inference team accelerates AI for the enterpri...[show_more]
Zooxs internship program provides hands-on experiences with state of the art technology mentorship from some of the industrys brightest minds and the opportunity to play a part in our success.Inter...[show_more]
The Artificial General Intelligence (AGI) team is looking for a passionate talented and inventive Sr.ML Engineer with a strong machine learning background to build customization capabilities such a...[show_more]
At Lumeriswe believe that our greatest achievements are made possible by the talent and commitment of our team members.Thats why we are actively seeking talented and collaborative individuals who a...[show_more]
SimpliSafe is a leading innovator in the home security industry dedicated to making every home a safe home.With a mission to provide accessible and comprehensive security solutions we design and bu...[show_more]
Are you passionate about shaping the future of AI by building infrastructure that ensures large language models and AI agents are safe reliable and aligned with human values Red Hats OpenShift AI t...[show_more]
Travel MRI Tech - $2,608 to $2,808 per week in Boston, MA
AlliedTravelCareers • Worcester, Massachusetts, US
[job_card.full_time]
AlliedTravelCareers is working with Titan Medical Group to find a qualified MRI Tech in Boston, Massachusetts, 02134!.ARRT(MR) / BCLS / BLS - American Heart Association.
Start : 01 / 05 / 2026 | ⏳ Duration : ...[show_more]
Earn up to $16 USD / hourly and work fully 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 futu...[show_more]
Catalyst Labs is a leading talent agency with a specialized vertical in Applied AI Machine Learning and Data Science.We stand out as an agency thats deeply embedded in our clients recruitment opera...[show_more]
Senior Machine Learning Engineer, WebIR ML Infrastructure
Amazon • Boston, New Hampshire, USA
[job_card.full_time]
Unlock the future of AI at Amazon AGI (Artificial General Intelligence).At Amazon were at the forefront of transformative AI shaping the next generation of intelligent technologies.For over 25 year...[show_more]
Job Description Must Have Technical / Functional Skills SRE with Sterling OMS Skillset with adaptability to Distributed Systems, developing Automations with AI / GenAI tool etc… Roles & Responsibilitie...[show_more]
Earn up to $16 USD / hourly and work fully 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 futu...[show_more]
The Leonardo DRS Naval Power Systems business is a trusted provider of innovative naval gas and hybrid power systems, control technology and support solutions for the U.
Navy and navies around the w...[show_more]