Upwork ($UPWK) is the world’s work marketplace. We serve everyone from one-person startups to over 30% of the Fortune 100 with a powerful, trust-driven platform that enables companies and talent to work together in new ways that unlock their potential.  

Last year, more than $3.3 billion of work was done through Upwork by skilled professionals who are gaining more control by finding work they are passionate about and innovating their careers. 

This is an engagement through Upwork’s Hybrid Workforce Solutions (HWS) Team. Our Hybrid Workforce Solutions Team is a global group of professionals that support Upwork’s business. Our HWS team members are located all over the world.

Work/Project Scope:

• Build scalable infrastructure and ML platform for all of the ML teams at Upwork. 
• Join a team of 5 ML engineers to build the next-generation ML infrastructure.
• Work cross-functionally to drive improvements in processes or systems ensuring alignment with key imperatives and core strategies of the Machine Learning Engineering organization
• Work closely with ML Application Teams as users of your platform: Growth, Search, and Trust & Safety (T&S).

Must Haves(Required Skills): 

• Extremely proficiency in Scala/Java/Python
• Hands-on experience in Spark, Kafka/Kinesis, SageMaker
• Experience with MLOps platforms (MLFlow)
• Experience building CI/CD pipelines (Jenkins) 
• Experience with databases (SQL, DynamoDB, Redis)
• 3 years of hands-on Machine Learning Engineering experience designing ML-focused platforms and infrastructure that accelerate model development, training, deployment and monitoring. 
• Experience in ML libraries (pandas, tensorflow, pytorch, etc). 
• Experience designing distributed systems for cloud-based microservices architecture (AWS/GCP/Azure)

Upwork is proudly committed to fostering a diverse and inclusive workforce. We never discriminate based on race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical condition), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.