Lead Database Engineer

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
We're currently looking to bring a Lead Database Engineer onto our team. This position gives you the opportunity to engage with intricate data infrastructure that powers essential operations across the organization at scale. You'll join colleagues who place high value on technical rigor, creative problem-solving, and a forward-thinking mindset toward sustaining resilient systems. This role suits professionals who thrive on solving demanding database architecture puzzles and who want to leave a lasting mark on system dependability.
Responsibilities
Map out Cassandra cluster rollouts by calculating expected data volumes and pinpointing hardware needs tied to anticipated data growth and transaction throughput
Handle the complete setup, installation, and configuration process for brand-new Cassandra clusters
Utilize monitoring solutions to keep tabs on cluster uptime and general performance levels
Convert and export stored information into different file formats to support various downstream applications
Leverage primary and secondary indexing strategies correctly to ensure queries run efficiently against stored data
Perform data backup and recovery operations to safeguard systems in case of unexpected failures
Adjust performance parameters governing the Java Virtual Machine, caching layers, and compaction routines
Execute stress testing on Cassandra clusters and analyze the performance data that results
Requirements
A minimum of five years of practical, applicable work experience in the field
At least one year spent leading and directing development teams
Extensive expertise designing and constructing Cassandra or comparable NoSQL database platforms
Some level of exposure to Astra or AWS Keyspaces technologies
Hands-on ability with Cassandra data modeling, NoSQL architectural design, and management of keyspaces, tables, indexes, user provisioning, and permission settings
Thorough understanding of Cassandra's internal operations, covering the gossip protocol, hinted handoff mechanisms, read repair functionality, and Merkle tree structures
Practical familiarity with Linux environments and Java configuration settings
Working knowledge of MongoDB
Awareness of how tombstones function along with garbage collection and purging practices
Experience managing, maintaining, and supporting clusters through tools like Opscenter, Devcenter, Linux, and Spark
Competency writing CQL queries that facilitate integration with Cassandra cluster environments
Foundational experience setting up CI/CD pipeline configurations
Strong communication ability paired with B2-level English proficiency or higher, supporting accurate interpretation of business needs and their conversion into agentic architecture designs
Nice to have
Hands-on background with DataStax Enterprise (DSE)
Working exposure to AWS services, covering at least EC2, S3, and IAM
Experience connecting systems using Solr and Spark integrations
Familiarity with CI/CD and automation platforms such as Jenkins, GitLab CI, or TeamCity
Understanding of infrastructure tools like Terraform and CloudFormation, along with Python programming
We offer
International projects with top brands
Work with global teams of highly skilled, diverse peers
Healthcare benefits
Employee financial programs
Paid time off and sick leave
Upskilling, reskilling and certification courses
Unlimited access to the LinkedIn Learning library and 22,000+ courses
Global career opportunities
Volunteer and community involvement opportunities
EPAM Employee Groups
Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn
EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.

Work arrangement
Yes