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 are seeking a Senior Developer – Cosmos Database with deep expertise in database support and cloud-based data platforms, focusing on Cosmos DB and Azure Fabric environments.
This position is ideal for an experienced engineer who excels in production-grade data environments, ensuring operational stability and driving enhancements to data platform solutions.
Responsibilities
- Provide end-to-end support for Cosmos DB–based databases, including monitoring, troubleshooting and performance tuning
- Work extensively with Cosmos DB (NoSQL API) and other Cosmos DB variants (Core SQL, Mongo API, Cassandra API, Table API)
- Support and maintain data platform components within Azure Fabric
- Diagnose and resolve production issues related to data access, latency, throughput and availability
- Implement best practices for scalability, security, backup and disaster recovery
- Collaborate with application, data engineering and platform teams to support data-driven solutions
- Contribute to automation, scripting and operational improvements
- Participate in on-call or production support rotations as required
- Document operational procedures and support knowledge
Requirements
- 5+ years of experience as a Dev, Data or Platform Engineer
- Strong hands-on experience with Cosmos DB (NoSQL API)
- Expertise in other Cosmos DB variants
- Experience working with Azure Service Fabric or Azure-based data platforms
- Solid understanding of NoSQL data modeling, partitioning and performance tuning
- Experience supporting production databases in cloud environments
- Familiarity with Azure services and monitoring tools
- Strong troubleshooting and analytical skills
- Calm, methodical approach to production support and incident management
- Good communication skills, able to work with both technical and non-technical stakeholders
- Ability to prioritize effectively in high-availability environments
- Collaborative mindset and ownership mentality
Nice to have
- Experience with code generation, including non-AI and AI-assisted approaches
- Exposure to Data Science workflows
- Experience with Big Data platforms and distributed systems
- Knowledge of financial instruments and financial services data
- Hands-on experience with industry-standard LLMs (including GPT, Claude or similar)
We offer
- We believe that the greatest strength of the company is its people. EPAM is fully committed to help its employees to reach their full potential and achieve their professional goals through continues learning. With this in mind, we would like to introduce to you few of the many opportunities and services which we believe will help you expand your current knowledge:
- Full access to cutting-edge tools and technologies
- Competitive compensation depending on experience and skills
- All-around Social package: professional & soft skills training, medical & family care programs, sports
- Relocation opportunities
- Free English classes
- Unlimited access to LinkedIn learning solutions
- Continuous experience exchange with experts and professionals worldwide
- Friendly team and comfortable working environment
- Engineering, corporate, and social events within and outside the Company
- Flexible working schedule
- Opportunities for self-realization
