Senior Data Migration Developer - COTS, Unix Shell Scripting

Us3 Consulting; Amsterdam; On-site; EUR 70,000 - 110,000; Full time

Job summary

Us3 Consulting is seeking a Senior Data Migration Developer to lead migration initiatives for COTS applications. You will design, develop, and execute ETL processes, analyze source/target systems, and ensure accurate data migration across environments.

You will work with Azure services, Azure DevOps for CI/CD, and collaborate with architects and stakeholders to deliver high-quality data transformations and validation, while maintaining data integrity throughout the project lifecycle.

Qualifications

• Strong hands-on ETL experience and data migration expertise.
• Experience with Azure-based applications and COTS migrations.

Responsibilities

• Design, develop, and execute ETL processes for data migration.
• Analyse source/target systems to develop migration strategies.
• Perform data extraction, transformation, cleansing, loading, and reconciliation.
• Develop and maintain SQL scripts for transformation and validation.
• Collaborate with Azure services and Azure-based applications.
• Support migration across development, testing and production environments.
• Use Azure DevOps for source control, CI/CD, and deployment activities.
• Create technical documentation covering migration processes and results.

Skills

ETL processes

data migration concepts

data and migration projects

Azure-based applications

data quality issues

Azure DevOps

data mapping/transformation

Agile environments

Tools

Azure DevOps

Job description

Senior Data Migration Developer - COTS, Unix Shell Scripting

Role Overview

We are looking for a Senior Data Migration Developer with strong hands-on experience in ETL processes, data migration, SQL scripting, and Azure-based applications. The candidate will work primarily on migration projects involving COTS (Commercial Off-The-Shelf) applications, ensuring accurate, complete, and high-quality data migration.

Key Responsibilities

• Design, develop, and execute ETL processes for data migration.
• Analyse source and target systems and develop appropriate data migration strategies.
• Perform data extraction, transformation, cleansing, loading, and reconciliation.
• Identify data quality issues, investigate root causes, and implement corrective solutions.
• Develop and maintain complex SQL scripts for data transformation, validation, and reconciliation.
• Work with Microsoft Azure services and Azure-based applications.
• Support migration activities across development, testing, and production environments.
• Use Azure DevOps for source control, work tracking, CI/CD pipelines, and deployment activities.
• Collaborate with application teams, architects, business stakeholders, and other technical teams.
• Perform data validation and ensure data integrity following migration.
• Troubleshoot migration failures and resolve technical/data-related issues.
• Create technical documentation covering migration processes, mappings, validations, and results.

Must-Have Skills

• Strong hands-on experience with ETL processes.
• Proven experience in data migration concepts and methodologies.
• Senior-level experience in data and migration projects.
• Experience with Azure-based applications, particularly COTS applications.
• Experience identifying and resolving data quality issues.
• Hands-on experience with Azure DevOps.
• Good understanding of data mapping, transformation, validation, reconciliation, and cleansing.
• Experience working in Agile environments.