Senior .NET & Data Migration Engineer

V Group Inc.; Hartford (CT); On-site; USD 110,000 - 145,000; Full time

Job summary

V Group Inc. in Hartford, CT seeks a Senior Developer to support modernization for the Office of Early Childhood. You will design, develop, and refactor ASP.NET MVC components, work with Azure DevOps, and collaborate in an Agile Scrum team to deliver stable, scalable web applications and data migration solutions.

You will create data validation scripts, document legacy-to-modern mappings, and contribute to CI/CD pipelines while ensuring quality across environments and stakeholders' expectations.

Qualifications

• Proficiency in ASP.NET MVC and Entity Framework for web app development.
• Expertise in automated data validation scripts (SQL or other scripting languages).
• Strong grasp of relational databases, data modeling, and data mapping techniques.
• Experience documenting and validating legacy-to-modern data and interface mappings.
• Proficiency in Azure DevOps for managing work items, tests, and defects.
• Solid understanding of Agile/Scrum principles and practices.
• Proficiency in Microsoft Office Suite, including Excel and Visio.

Responsibilities

• Collaborate with OEC stakeholders and technical teams to elicit, analyze, and document requirements.
• Translate business needs into user stories and acceptance criteria, maintaining a refined backlog.
• Document current and future state workflows, integration points, and data dependencies.
• Create and validate data mapping documents between legacy and modern systems.
• Develop interface mapping documentation to align legacy screens with modern components.
• Define and maintain functional, non-functional, and reporting requirements with end-to-end traceability.
• Design, develop, and refactor components using ASP.NET MVC, EF, and Azure App Service.
• Contribute to CI/CD pipeline setup and optimization using Azure DevOps.
• Work with Azure SQL databases to design schema, implement stored procedures, and optimize performance.
• Collaborate with data engineers on SSIS-based ETL processes and migrations.
• Participate in code reviews and ensure best practices for performance and security.
• Develop and maintain automated reusable data validation scripts to verify migrated data.
• Validate record counts, referential integrity, transformations, and business rule consistency.
• Identify and analyze data discrepancies and resolve issues with teams.
• Maintain documentation for data validation procedures and transformation logic.
• Support testing (system, integration, UAT) by creating and executing test cases.
• Log defects and testing results using Azure DevOps.
• Be an active member of a cross-functional Scrum team delivering increments.
• Participate in all Scrum ceremonies and backlog refinement with Product Owner.
• Contribute to continuous improvement, teamwork, and accountability.

Skills

ASP.NET MVC

Entity Framework

Automated data validation

Relational databases

Data mapping techniques

Legacy-to-modern mappings

Azure DevOps

Agile/Scrum

Excel & Visio

Tools

Azure DevOps

Job description

V Group Inc. in Hartford, CT seeks a Senior Developer to support modernization for the Office of Early Childhood. You will design, develop, and refactor ASP.NET MVC components, work with Azure DevOps, and collaborate in an Agile Scrum team to deliver stable, scalable web applications and data migration solutions.

You will create data validation scripts, document legacy-to-modern mappings, and contribute to CI/CD pipelines while ensuring quality across environments and stakeholders' expectations.