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Senior Lead Machine Learning Engineer, Agentic AI at Upwork - ApplyBlast

Senior Lead Machine Learning Engineer, Agentic AI

Upwork

10 months ago

3.7 on Glassdoor

Toronto, Ontario, Canada

Onsite

Full Time

Senior

0 applicants

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About this role

The Senior Lead Machine Learning Engineer will architect, ship, and scale agentic intelligence across Upwork, leading end-to-end work from LLM training and evaluation to runtime orchestration, safety, and developer APIs. This hands-on role sits at the intersection of applied research and platform engineering, enabling internal teams and external developers to build reliable, safe, and high-performing agents. The role includes technical leadership, cross-functional partnership, and mentoring of senior engineers while driving metrics-oriented improvements.

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About Upwork

upwork.com

Headquarters

Alamdanga, Khulna Division, Bangladesh

Company Size

501-1000 employees

Founded

2015

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Upwork is a global freelancing marketplace that connects businesses of all sizes with independent professionals across design, development, writing, marketing, customer support, and more. Clients can post projects or search curated talent, review proposals, and manage engagements with contracts, time-tracking, invoicing, and escrow-backed payments. The platform also provides collaboration tools and enterprise features (talent sourcing, compliance, consolidated billing) to scale contingent work. Companies use Upwork for access to a large talent pool and standardized workflows, while freelancers benefit from job matching, portfolios, and secure payment systems.