Senior Lead Machine Learning Engineer

Who you are

You have 5+ years of experience in machine learning and AI, with a strong background in designing and implementing scalable ML systems. Your expertise in Python and frameworks like TensorFlow and Keras allows you to build robust models that drive business transformation. You are passionate about mentoring others and guiding strategy within your team, ensuring that your contributions have a measurable impact on the organization.

You thrive in collaborative environments, working closely with cross-functional teams to deliver innovative AI solutions. Your ability to communicate complex technical concepts to non-technical stakeholders makes you an effective leader in the AI/ML community. You are committed to staying updated with the latest advancements in AI and machine learning, continuously seeking opportunities to apply new knowledge to your work.

Desirable

Experience with large language models (LLMs) and their applications in real-world scenarios is a plus. Familiarity with cloud platforms such as AWS or GCP for deploying ML solutions will enhance your effectiveness in this role. You understand the importance of data quality and have experience in building data pipelines to support model training and evaluation.

What you'll do

In this pivotal role, you will lead the design and delivery of infrastructure and models that support agentic LLM workflows across Upwork's platform. Your work will span from research to production, empowering teams and driving innovation that delivers measurable business results. You will architect scalable ML systems, guiding cross-functional initiatives that align with Upwork's strategic goals.

You will mentor junior engineers and contribute to their professional development, fostering a culture of learning and collaboration within the team. Your leadership will help define the next generation of autonomous AI, ensuring that Upwork remains at the forefront of AI-powered solutions in the marketplace.

You will also represent Upwork in the broader AI/ML community, sharing insights and best practices that contribute to the advancement of the field. Your role will involve collaborating with product managers and other stakeholders to identify opportunities for AI integration that enhance user experience and drive business growth.

What we offer

Upwork provides a dynamic work environment where innovation is encouraged, and your contributions are valued. You will have access to a range of resources and support to help you succeed in your role. The company offers competitive compensation, including an annual base salary ranging from $195,000 to $296,000, along with eligibility for an annual bonus plan and long-term equity incentive programs. We encourage you to apply even if your experience doesn't match every requirement, as we value diverse perspectives and backgrounds.