Senior Data Integration Engineer
🇺🇦 Ukraine
Python
C#
AWS
PostgreSQL
Machine Learning
Design
Amazon
Backend
Devops
SQL
Testing
Senior Data Integration Engineer
from 🇺🇦 Ukraine
We are seeking aSenior Data Integration Engineer to lead a SQL Server to Aurora PostgreSQL migration and modernization engagement powered by AWS Transform for .NET / SQL Server. This role involves porting database schemas, code objects and application data access layers from Microsoft SQL Server to Amazon Aurora PostgreSQL while validating and refining AI-generated outputs from AWS Transform alongside DMS, SCT and Kiro.
Responsibilities
- Port SQL Server database schemas to Amazon Aurora PostgreSQL to ensure structural integrity, data type mapping and constraint parity
- Convert T-SQL stored procedures, functions, triggers and views to PL/pgSQL equivalents and resolve syntax, data type and behavioral differences
- Update T-SQL queries embedded in C#/.NET application code to PL/pgSQL-compatible syntax and refine the data access layer using Npgsql and Entity Framework Core
- Operate AWS Transform for .NET / SQL Server as the primary AI agentic accelerator to submit workloads and review agent-generated artifacts
- Apply AWS DMS for data migration and replication, AWS SCT for supplementary schema conversion and Kiro for GenAI-assisted code analysis
- Deploy converted schemas, code and data to a non-production Aurora PostgreSQL environment
- Configure instances, parameter groups, security settings and connectivity to mirror production patterns
- Validate compile and execution of migrated SQL code objects and confirm communication between the updated application and Aurora PostgreSQL
- Design test plans that cover functional correctness, data integrity, performance benchmarking and regression testing
Requirements
- 5+ years of experience in database development and migration
- English proficiency at B2+ level
- Expertise in Microsoft SQL Server (T-SQL) and Proficiency in PostgreSQL (PL/pgSQL) including Amazon Aurora PostgreSQL
- Skills in AWS Database Migration Service (DMS) and AWS Schema Conversion Tool (SCT)
- Proficiency in C#/.NET data access layers including Npgsql Entity Framework Core and ADO.NET
- Background in database schema migration across SQL Server and PostgreSQL platforms
- Expertise in database modernization testing including compile validation functional testing and performance benchmarking
Nice to Have
- Familiarity with AWS Transform for .NET / SQL Server and GenAI-assisted migration tools
- Knowledge of AWS Aurora configuration including parameter groups replication and Performance Insights
- Familiarity with Amazon CloudWatch for database monitoring and alerting
- Skills in Python for scripting and automation and CI/CD for database deployments
- Familiarity with Kiro for AI-assisted code refinement workflows





