Senior AI Engineer with Spark, AWS Services

We are seeking a Senior AI Engineer with Spark and AWS Services expertise to join the RBQM Production Pod within the program. You will build and maintain data pipelines that power AI/GenAI applications for Risk-Based Quality Management in clinical trials. This role focuses on RAG document ingestion, vector indexing, and building data APIs for AI applications.

Responsibilities

• Design and build RAG document ingestion pipelines (chunking, embedding, vector indexing) for clinical trial quality data
• Build and manage vector databases (AWS OpenSearch) for RAG-powered AI workflows
• Develop batch and streaming ETL/ELT pipelines from scratch for unstructured clinical data (PDF, DOCX, clinical reports)
• Build and expose data APIs for AI application consumption
• Optimize chunking strategies, embedding generation, and retrieval performance for RAG architectures
• Manage data quality, lineage, and governance for AI/ML data pipelines
• Deploy and maintain AWS data infrastructure (S3, Lambda, Glue, Athena, Step Functions, DynamoDB)
• Collaborate with Data Scientists and Backend Developers in an integrated pod team

Requirements

• 5+ years of hands-on data engineering experience at scale
• Expertise in RAG document ingestion pipelines (chunking, embedding, vector indexing)
• Proficiency in AWS OpenSearch as a vector database for RAG workflows
• Advanced proficiency in Python, including SQL and Spark SQL
• Skills in unstructured data transformation (PDF, DOCX) for RAG/LLM applications
• Familiarity with AWS Services: S3, Lambda, Glue, Athena, Bedrock, Step Functions, API Gateway, CloudWatch, DynamoDB
• Knowledge of containerization with Docker
• Capability to build custom pipelines from scratch, beyond configuring out-of-the-box services
• Proficiency in English at a B2+ level

Nice to have

• Background in pharmaceutical or life sciences domain
• Familiarity with Snowflake, Pinecone (vector DB alternative)
• Knowledge of SageMaker processing jobs
• Skills in CI/CD tools (Jenkins, Git/Bitbucket) and infrastructure tools (CDK or Terraform)
• Understanding of clinical data standards (CDISC, ADaM, SDTM)

Benefits

We connect like-minded people

• Delivering innovative solutions to industry leaders, making a global impact
• Enjoyable working environment, whether it is the vibrant office or the comfort of your own home
• Opportunity to work abroad for up to two months per year
• Relocation opportunities within our offices in 55+ countries
• Corporate and social events

We invest in your growth

• Leadership development, career advising, soft skills and well-being programs
• Certifications, including GCP, Azure and AWS
• Unlimited access to EPAM's internal learning database
• Free English classes with certified teachers

We cover it all

• Participation in the Employee Stock Purchase Plan
• Monetary bonuses for engaging in the referral program
• Comprehensive medical & family care package
• Five trust days per year (sick leave without a medical certificate)
• Benefits package (sports activities, a variety of stores and services)

We connect like-minded people

• Delivering innovative solutions to industry leaders, making a global impact
• Enjoyable working environment, whether it is the vibrant office or the comfort of your home
• Opportunity to work abroad for up to two months per year
• Relocation opportunities within our offices in 55+ countries
• Corporate and social events

We invest in your growth

• Leadership development, career advising, soft skills and well-being programs
• Certifications, including GCP, Azure and AWS
• Unlimited access to EPAM's internal learning database
• Free English classes with certified teachers

We cover it all

• Participation in the Employee Stock Purchase Plan
• Monetary bonuses for engaging in the referral program
• Comprehensive medical & family care package
• Four trust days per year for personal needs
• Discounts for fitness clubs
• Benefits package (hotels, restaurants, stores and services)

We connect like-minded people:

• Delivering innovative solutions to industry leaders, making a global impact
• Enjoyable working environment, whether it is the vibrant office or the comfort of your own home
• Opportunity to work abroad for up to two months per year
• Relocation opportunities within our offices in 55+ countries
• Corporate and social events

We invest in your growth:

• Leadership development, career advising, soft skills and well-being programs
• Certifications, including GCP, Azure and AWS
• Unlimited access to EPAM's internal learning database
• Free English classes with certified teachers
• Discounts in local language schools, including online courses for the Kazakh language

We cover it all:

• Participation in the Employee Stock Purchase Plan
• Monetary bonuses for engaging in the referral program
• Medical & family care package
• Six trust days per year (sick leave without a medical certificate)
• Coverage of psychology sessions of your choice
• Benefits package (sports activities, a variety of stores and services)
• Housing support program: preferential mortgage access via Otbasy Bank partnership

We connect like-minded people:

• Delivering innovative solutions to industry leaders, making a global impact
• Enjoyable working environment, whether it is the vibrant office or the comfort of your own home
• Opportunity to work abroad for up to two months per year
• Relocation opportunities within our offices in 55+ countries
• Corporate and social events

We invest in your growth:

• Leadership development, career advising, soft skills and well-being programs
• Certifications, including GCP, Azure and AWS
• Unlimited access to EPAM's internal learning database
• Free English classes with certified teachers

We cover it all:

• Monetary bonuses for engaging in the referral program
• Medical & family care package
• Six trust days per year (sick leave without a medical certificate)
• Coverage of psychology sessions of your choice
• Discounts for fitness clubs and sports programs
• Benefits package (sports activities, a variety of stores and services)

We connect like-minded people:

• Delivering innovative solutions to industry leaders, making a global impact
• Enjoyable working environment, whether it is the vibrant office or the comfort of your own home
• Opportunity to work abroad for up to two months per year
• Relocation opportunities within our offices in 55+ countries
• Corporate and social events

We invest in your growth:

• Leadership development, career advising, soft skills and well-being programs
• Certifications, including GCP, Azure and AWS
• Unlimited access to EPAM's internal learning database
• Free English classes with certified teachers

• Discounts in local language schools, including offline courses for the Uzbek language

We cover it all:

• Monetary bonuses for engaging in the referral program
• Medical & family care package
• Four trust days per year (sick leave without a medical certificate)
• Discounts for fitness clubs, dance schools and sports programs
• Benefits package (sports activities, a variety of stores and services)