We are seeking a skilled Senior Data Engineer to join our team to help design, scale, and harden the data platform powering our world‑class Unified Communications and Collaboration (UCC) reporting stack.
Responsibilities
Debug and enhance data modeling practices across OLTP (Postgres) and OLAP (StarRocks) database systems
Design and execute schema changes, backfills, and large-scale migrations without disrupting service continuity
Tune query performance and optimize storage design to support both transactional and analytical workloads
Propose ongoing improvements and contribute to architectural decisions that help scale the analytics platform
Requirements
A minimum of 3 years of relevant professional experience
Significant, hands-on experience working as a DBA or data engineer with relational databases such as PostgreSQL at scale
Strong knowledge of OLAP technologies, including StarRocks or equivalent columnar/analytics databases
Experience with data warehousing concepts and practices
Ability to debug and optimize query performance and storage design across both OLTP and OLAP systems
Working knowledge of software development using Kotlin or Golang
A strong inclination toward building performant, efficient, and safe data solutions at scale
Self-motivated and collaborative, capable of working independently within a team setting while mentoring others
Strong communication skills for engaging effectively with team members and stakeholders
Strong written and spoken proficiency in English at a B2 level or higher
Nice to have
Experience with AWS Aurora for managing scalable relational database services
Background in data modeling to support efficient and reliable data structures
Skills in database performance tuning to optimize query execution and storage efficiency
Familiarity with Docker for containerizing applications and services
Working knowledge of Java for software development tasks
Experience with Kubernetes for orchestrating and managing containerized worklo
📌 Senior Data Developer (Argentina)
🏢 EPAM Systems
📍 Argentina
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