Lead AI Engineer

Upwork
Lisbon, PortugalPosted 21 January 2026

Tech Stack

Job Description

<p><strong>Upwork Inc.’s (Nasdaq: UPWK)</strong> 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.</p> <p>Since its founding, Upwork Inc. has facilitated more than $30 billion in total transactions and services as it fulfills its purpose to create opportunity in every era of work. Learn more about the Upwork Marketplace at<a href="http://upwork.com/"> Upwork.com</a></p> <hr> <p>Upwork ($UPWK) is the world’s human and AI-powered work marketplace that connects businesses with highly skilled, AI-enabled independent talent from across the globe. From entrepreneurs to Fortune 100 enterprises, companies rely on Upwork’s trusted platform and its mindful AI companion, Uma, to find and hire expert talent, leverage AI-powered work solutions, and drive business transformation. With on-demand access to professionals spanning more than 10,000 skills across AI & machine learning, software development, sales & marketing, customer support, finance & accounting, and more, Upwork enables businesses of all sizes to scale, innovate, and build agile teams for the age of AI and beyond.</p> <p>Upwork’s platform has facilitated more than $25 billion in economic opportunity for talent around the world. Learn more at Upwork.com and follow us on LinkedIn, Facebook, Instagram, TikTok, and X.</p> <hr> <p>As a Lead AI Engineer on our Data Platform & Services (DPS) team, you will apply your expertise in AI capabilities to build and deploy production grade AI powered systems towards data engineering, analytics & product evolution use cases.  You’ll design and deploy agentic frameworks, natural language querying (NLQ) capabilities, and prompt/LLM evaluation strategies that unlock insights at scale across Upwork. This is an opportunity to deliver tangible impact, enabling faster decision-making, democratizing data access, and empowering analysts, product teams and stakeholders throughout the company.</p> <h3>Responsibilities</h3> <ul> <li>Design and implement scalable agentic frameworks that coordinate multiple AI agents to deliver accurate and reliable outcomes.</li> <li>Build and optimize natural language query solutions that provide compliant, intuitive, and self-service access to enterprise data.</li> <li>Develop and maintain evaluation frameworks for LLMs and prompts, driving measurable improvements in accuracy, scalability, and resilience.</li> <li>Partner with data engineering peers to integrate AI orchestration with Python, SQL, and Snowflake pipelines.</li> <li>Contribute to AI-powered summarization and explanation tools that enhance reporting, insights, and executive reviews.</li> <li>Collaborate cross-functionally with product, analytics, and business teams to ensure solutions meet measurable business goals.</li> </ul> <h3>What it takes to catch our eye& ... (truncated, view full listing at source)
Apply Now

Direct link to company career page

Share this job