LLM Test Automation Engineer

We are looking for a skilled LLM Test Automation Engineer to design and implement an advanced testing framework for a Retrieval-Augmented Generation (RAG) Knowledge Base deployed in AWS.This role is crucial in ensuring accuracy, relevance, safety, and scalability by leveraging cutting-edge metrics and techniques like RAGAS and LLM-as-a-judge. ResponsibilitiesAudit the current LLM and RAG test automation framework, identify gaps, and propose improved architectureImplement automated testing pipelines incorporating RAGAS metrics and LLM-as-a-judge methods for quality assessmentIntegrate workflows with AWS services (S3, Lambda, CloudWatch, OpenSearch, RDS, SQS) for seamless operationsDefine clear evaluation rubrics, metric thresholds, regression alerts, and reporting dashboards to improve monitoringEnsure reproducible, scalable testing solutions within CI/CD pipelines Requirements3+ years of experience in LLM and RAG evaluation, including RAGAS and prompt-based judging automationStrong competency in AWS services (compute, storage, orchestration, monitoring)Proficiency in Python or JavaBackground in vector databases and semantic similarity metricsAbility to establish KPIs and translate them into automated testing logicStrong written and verbal English communication skills (B2+) Nice to haveFamiliarity with LangChain, LlamaIndex, or similar RAG frameworksUnderstanding of CI/CD processes We offerWe connect like-minded people: Delivering innovative solutions to industry leaders, making a global impactEnjoyable working environment, whether it is the vibrant office or the comfort of your own homeOpportunity to work abroad for up to two months per yearRelocation opportunities within our offices in 55+ countriesCorporate and social eventsWe invest in your growth:  Leadership development, career advising, soft skills and well-being programsCertifications, including GCP, Azure and AWSUnlimited access to LinkedIn Learning and Get AbstractFree English classes with certified teachersDiscounts in local language schools, including online courses for the Kazakh languageWe cover it all: Participation in the Employee Stock Purchase PlanMonetary bonuses for engaging in the referral programMedical & family care packageSix trust days per year (sick leave without a medical certificate)Coverage of psychology sessions of your choiceBenefits package (sports activities, a variety of stores and services) Immerse yourself in our collaborative culture by working on-site at our office in Astana, Almaty or Karaganda. Unlock the potential of remote work in Kazakhstan, giving you the flexibility to work from home or access our offices in Astana, Almaty or Karaganda. EPAM is a team of technologists and innovators united by a passion for technology. In Kazakhstan, we operate across all cities with offices in Astana, Almaty, and Karaganda and work with the world's leading companies from different industries. In 2023, EPAM received the Export Excellence Award at the esteemed Digital Bridge Awards, showcasing our commitment to excellence and innovation.