Senior Automation Tester in Java (ML+SageMaker)

We are seeking a Senior Automation Tester in Java (ML+SageMaker) to build and maintain automated testing solutions for Java microservices while focusing on the quality assurance of Machine Learning Systems. This role combines hands-on test automation expertise with exposure to model evaluation, functional testing, and monitoring to detect model drift, working within an Agile Scrum environment to embed quality early in the development lifecycle.

Responsibilities

• Build the right thing and build it right through hands-on contribution to automated testing for Java microservices, with exposure to integration testing between Java services and AWS Lambda functions
• Implement and maintain a microservices testing strategy covering unit, component, contract, and simple, maintainable end-to-end tests
• Support developers in running containerized services locally to prevent integration issues and keep pipelines clean in a trunk-based development environment
• Participate actively in Agile Scrum refinement sessions to ensure clear user stories and acceptance criteria
• Apply BDD practices such as 3 Amigos and Gherkin/Cucumber
• Collaborate with developers, analysts, and other engineers to embed quality early and continuously improve frameworks and pipelines
• Focus on testing Machine Learning Systems, including model evaluation, key functional testing, and monitoring of models to detect model drift
• Build and maintain automated tests using Java, JUnit, and Rest-Assured
• Use Pact for contract testing and tools like Selenium and Cypress for UI testing where applicable
• Integrate tests into CI/CD pipelines to support trunk-based development
• Contribute to Agile ceremonies with a focus on quality and testability
• Build and apply a Machine Learning Test Strategy in collaboration with the Engineering Manager, Machine Learning, and Data Scientists

Requirements

• 5+ years of experience in Java development and test automation
• Knowledge of microservices testing strategies
• Familiarity with AWS platform services, including Lambda, API Gateway, S3, CloudWatch, and IAM
• Experience working in Agile Scrum and applying BDD practices
• Familiarity with CI/CD pipelines and trunk-based development
• Strong communication skills and a passion for continuous learning
• Some experience with Machine Learning systems
• English proficiency at B2 level or higher

Benefits

With us you can:

• Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in Ukraine
• Receive the necessary equipment to perform your work tasks
• Change projects and technology stacks within EPAM
• Gain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)
• Relocation opportunities may be available for eligible candidates, depending on the role and openings at other EPAM locations
• Participate in volunteer, charity programs and communities (both technical and interest-based)

We focus on your professional growth:

• You can plan your individual career path together with your manager
• Receive regular feedback from colleagues
• Improve your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)
• Get the opportunity to undergo free training and certification in AWS, GCP, or Azure Clouds
• Use the internal E-learn training program (18,200+ specialized training and mentoring programs)
• Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resources
• Study at EPAM Solution Architecture School with the instructors who are practicing architects
• Develop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and more
• Participate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)

What we offer:

• Vacation and sick leave (including a sick leave without a medical certificate)
• A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)
• Medical insurance for family members at corporate rates
• Company support during significant life events (childbirth or adoption, marriage, etc.)
• Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic training
• E-kids program - a free programming language training program for EPAMers' children