freelance machine learning developer python

At Sephora, beauty is about feeling seen, valued, and empowered, individually and collectively. It is connecting deeply with others, celebrating diversity and inclusivity, unlocking your potential and making a difference every day. Together, we belong to something beautiful. Sephora SEA’s omni channel business spans over 8 countries (Australia, India,...

) for more information.Viridien () is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy...

We are seeking aSenior Member of Technical Staff – Machine Learningto drive the development of our core ML infrastructure and subsystems. In this role, you will lead end-to-end execution—from translating ambiguous requirements into practical designs to shipping scalable systems into production. This is a hands-on position requiring deep technical...

We are seeking a skilled machine Learning engineer (ML Eng) to join one of our agile development teams in our ML & AI field. In this role, you will play a key part in designing, building, and maintaining robust, scalable AI solutions within a DevOps environment. Responsibilities Develop, deploy, and optimize machine learning and AI solutions that address...

We are seeking a Senior Member of Technical Staff – Machine Learning to drive the development of our core ML infrastructure and subsystems. In this role, you will lead end-to-end execution—from translating ambiguous requirements into practical designs to shipping scalable systems into production. This is a hands-on position requiring deep technical...

Tower Research Capital is a leading quantitative trading firm founded in 1998. Tower has built its business on a high-performance platform and independent trading teams. We have a 25+ year track record of innovation and a reputation for discovering unique market opportunities. Tower is home to some of the world’s best systematic trading and engineering...

The OpportunityThe Manulife/John Hancock AI Team is seeking a highly skilled and motivated Machine Learning Engineer with a strong focus on developing end-to-end AI models and solutions to accelerate and optimize sales and marketing efforts. In this role, you will collaborate closely with Data Scientists, BI Specialists, Sales and Marketing Leaders, and IT...

ResponsibilitiesTeam Introduction： The Search Team is primarily responsible for the innovation of search algorithm and architecture research and development (R&D) for products such as Douyin, Toutiao, and Xigua Video, as well as businesses like E-commerce and Local Services. We leverage cutting-edge machine learning technologies for end-to-end modeling and...

Our client is a leading product-led technology company building next-generation AI-powered platforms at scale, serving millions of users globally. They are heavily investing in AI, Search, and Personalization. We are hiring a Principal Machine Learning Scientist to lead their core AI initiatives. Role Overview We are looking for a visionary Principal...

Viridien ( is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and...

Viridien ( is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and...

Viridien ( is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and...

Wingfin develops autonomous driving systems. Our mission is rooted in accessibility: human-like autonomy for safe, cost-efficient, real-world scalability. By leveraging cutting-edge deep learning and end-to-end neural networks, Wingfin is redefining the landscape of self-driving technology. We are building a practical, cost-efficient platform that brings...

Job Description As a Sr Consultant/Manager, you will acquire first-hand consulting experience in the banking industry, build knowledge on a wide range of companies, and apply project management best practices in a fast-paced and intellectually challenging work environment. You will play a key role in building trusted client relationships through high...

Job Description & Requirements About Bounteous Bounteous is a leading global digital engineering and technology solutions provider , trusted by top-tier organizations across Banking, Financial Services & Insurance (BFSI). With a combined strength of more than 5,000 engineers worldwide, we specialize in delivering high-impact solutions across Capital...

It's never been a more exciting time to join Vistra. At Vistra our purpose is progress. We believe that our clients have the power to change the world and to do great things for global progress, and we exist to remove the friction that comes from the complexity of global business – to help our clients achieve progress without friction. But progress...

Job SummaryWe’re seeking a versatile Machine Learning Engineer with strong data engineering instincts and a passion for production‑grade AI systems. You’ll play a pivotal role across the AI development lifecycle - from data ingestion to deployment - ensuring our models are reliable, reproducible, and impactful. About the TeamYou’ll join a dynamic,...

About Wingfin Wingfin develops autonomous driving systems. Our mission is rooted in accessibility: human-like autonomy for safe, cost-efficient, real-world scalability. By leveraging cutting-edge deep learning and end-to-end neural networks, Wingfin is redefining the landscape of self-driving technology. We are building a practical, cost-efficient platform...

Viridien (www.viridiengroup.com) is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy...

What will you do Design and optimise hybrid lexical-semantic retrieval pipelines (e.g., BM25, dense vectors, HNSW/LSH, generative retrieval) to improve precision and recall across GoFood and GoPay surfaces. Build high-quality embeddings and relevance signals that capture user intent, cuisine and dish semantics, geolocation, delivery constraints, price...