Design and implement technical solutions across payment flows, compliance tooling, fraud scenarios, and platform migrations
Develop and maintain PL/pgSQL-based business logic, process workers, and migration scripts
Own and evolve PostgreSQL-based data models, queries, and performance optimization across multiple services
Work within a microservices ecosystem, handling service communication, dependencies, and asynchronous workflows
Build and improve external job handlers and integrations using Java, Kotlin, or C#
Develop migration pipelines and data-processing workflows as part of the transition from the legacy Oracle platform
Ensure transactional correctness, reliability, and consistency across high-volume financial operations
Monitor and improve system performance, observability, scalability, and operational reliability

Strong hands-on experience with PL/pgSQL in production environments
Experience writing and debugging stored procedures, process workers, and migration scripts
Experience with Java, Kotlin, or C# for backend services and integrations
Strong PostgreSQL knowledge, including transaction semantics, JSONB, partitioning, and query optimization
Experience working with distributed systems and microservices architectures
Strong understanding of data consistency, transactions, and financial correctness
Ability to write and maintain SQL-based tests
Working knowledge of CI/CD pipelines and modern development workflows

Backend Engineer – PL/SQL

Key skills