Upwork Inc.’s (Nasdaq: UPWK) family of companies connects businesses with global, AI-enabled talent across every contingent work type including freelance, fractional, and payrolled. This portfolio includes the Upwork Marketplace, which connects businesses with on-demand access to highly skilled talent across the globe, and Lifted, which provides a purpose-built solution for enterprise organizations to source, contract, manage, and pay talent across the full spectrum of contingent work. From Fortune 100 enterprises to entrepreneurs, businesses rely on Upwork Inc. to find and hire expert talent, leverage AI-powered work solutions, and drive business transformation. With access to professionals spanning more than 10,000 skills across AI & machine learning, software development, sales & marketing, customer support, finance & accounting, and more, the Upwork family of companies enables businesses of all sizes to scale, innovate, and transform their workforces for the age of AI and beyond.
Since its founding, Upwork Inc. has facilitated more than $30 billion in total transactions and services as it fulfills its purpose to create opportunity in every era of work. Learn more about the Upwork Marketplace at
Are you passionate about using machine learning to drive meaningful change? As a Senior Applied Machine Learning Engineer at Upwork, you will leverage advanced machine learning techniques to deliver cutting-edge solutions that directly impact our global platform and user experience. You’ll work with large-scale data to solve complex problems, from improving search relevance to personalizing recommendations, and create a powerful, seamless experience for our users. This is a unique opportunity to contribute to the innovation at the world’s largest work marketplace, where your work will enable our community of freelancers and clients to connect and collaborate in impactful ways.
Responsibilities
What it takes to catch our eye
Come change how the world works.
This position will initially be employed through a partner to ensure a seamless hiring process while we establish the hub. Once the hub is established, there may be opportunities to transition to employment with Upwork depending on business needs and other requirements. While employed by the partner, you’ll work as part of Upwork’s team, with access to our resources, culture, and growth opportunities.
Senior Applied Machine Learning Engineer - Search & Recommendations • Toronto, Ontario, Canada
As a Senior Machine Learning Engineer at FreshBooks, you will own the full machine learning lifecycle, from early experimentation and prototyping to deployment and monitoring in production.You will... Show more
Senior Applied Machine Learning Specialist, Industry Lead.As a Senior Applied Machine Learning Specialist, Industry Lead, you will provide technical leadership in designing, building, and scaling a... Show more
Senior Machine Learning Engineer TSD.Full-time, 1 Permanent Vacancy.Monday to Friday, 35 hours per week.The City of Toronto is expanding its AWS based Enterprise Data Platform is seeking a Senior M... Show more
We're transforming the grocery industry.At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it t... Show more
Join Canadian Tire as a Senior Applied Machine Learning Scientist and lead transformative AI initiatives.Blend your expertise in predictive modeling with AI strategy to drive tangible results.In th... Show more
Senior Machine Learning Engineer.Your work will directly advance our product and AI capabilities, keeping our technology at the leading edge.As a Senior Machine Learning Engineer, you’ll help shape... Show more
Senior Machine Learning Engineer.Index-wide technology strategy for machine learning and optimization, and to drive pragmatic execution and iterative improvement of the same.Design and implement en... Show more
Large Language Model (LLM) solutions.This is a high-impact leadership role focused on building a top-tier team, shaping long-term AI strategy, and delivering transformative business outcomes.Lead t... Show more
At Loblaw Digital, we know that our customers expect the best from us.Whether that means building the best, most innovative online shopping experience, or designing an app that will impact the live... Show more
Join Groq as a Senior Machine Learning Engineer where your expertise will drive pre-training and post-training initiatives for cutting-edge AI models.This role offers a chance to innovate in AI com... Show more
Join CMTC at an inflection point where commercial banking meets the frontier of artificial intelligence.As a Machine Learning Engineer on our team, you will be at the center of RBC's strategic push... Show more
BDO is a firm built on a foundation of positive relationships with our people and our clients.Each day, our professionals provide exceptional service, helping clients with advice and insight they c... Show more
Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us.As a Fortune 500 company and a leading AI platform for managing... Show more
Our Privacy Statement & Cookie Policy**Senior Machine Learning Engineer page is loaded## Senior Machine Learning Engineerremote type: Hybridlocations: Canada, Toronto, Ontariotime type: Full ... Show more
AI Models team, focused on advancing innovation in small language models (SLMs) and applied AI systems.This role sits at the intersection of.You will work closely with AI leadership to explore, pro... Show more
Individually we are people, but together we are Aviva.Individually these are just words, but together they are our Values – Care, Commitment, Community, and Confidence.We are seeking a highly skill... Show more
Putting people first, every day**BDO is a firm built on a foundation of positive relationships with our people and our clients.Each day, our professionals provide exceptional service, helping clien... Show more
Senior Machine Learning Engineer.Our client is a fast-paced, product-led business building advanced machine learning capabilities to drive smarter customer targeting, stronger forecasting, and bett... Show more
Join our fast‑growing Toronto innovation hub, where we’re building production‑grade AI to reshape global credit decisions.Here, you won’t just ship features—you’ll help reinvent an industry using d... Show more
A at Loblaw Digital, we know that our customers expect the best from us.Whether that means building the best, most innovative online shopping experience, or designing an app that will impact the li... Show more
