Dotnet Developer

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

Direct Client: State of Connecticut

Department: The Office of Early Childhood (OEC)

Job Title: Senior Developer

Location: Hartford, Connecticut 06103

Duration: 10 Months

Ceipal ID: SCT_NET161_PH

Position ID: 66161

Scope of Project:

The Office of Early Childhood (OEC) is seeking a Senior Developer to support application development, modernization, and data migration initiatives across OEC systems. The consultant will be responsible for designing and developing Power Apps solutions, customer-facing web applications, and enhancements to existing .NET applications.

This position combines business analysis, software development, data migration validation, and Agile Scrum participation. The selected candidate will work as part of a cross-functional Scrum team, collaborating closely with business stakeholders, product owners, developers, testers, and data specialists to deliver high-quality software solutions and successful modernization outcomes.

A key component of this role includes supporting data migration efforts through the creation of automated and reusable data validation scripts, documenting legacy-to-modern system mappings, and ensuring migration accuracy across environments.

Key Responsibilities

• Collaborate with OEC stakeholders and technical teams to elicit, analyze, and document business and system requirements.
• Translate business needs into user stories and acceptance criteria, maintaining a refined Azure DevOps product 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 and functions with modernized application components.
• Define and maintain functional, non-functional, and reporting requirements, ensuring end-to-end traceability.
• Design, develop, and refactor components using ASP.NET MVC, Entity Framework, and Azure App Service.
• Contribute to CI/CD pipeline setup and optimization using Azure DevOps and Azure Git Repositories.
• Work with Azure SQL databases to design schema, implement stored procedures, and optimize performance.
• Collaborate with data engineers on SSIS-based ETL processes and data migration activities.
• Participate in code reviews, ensuring adherence to best practices for performance, maintainability, and security.
• Develop and maintain automated reusable data validation scripts to verify migrated data after each migration cycle in test environments.
• Validate record counts, referential integrity, field-level transformations, and business rule consistency across environments.
• Identify and analyze data discrepancies, collaborating with developers and data teams to resolve issues.
• Maintain documentation for data validation procedures, testing outcomes, and transformation logic.
• Support system, integration, and user acceptance testing (UAT) by creating and executing test cases.
• Log and manage defects and testing results using Azure DevOps.
• Serve as an active member of a cross-functional, self-managed Scrum team responsible for delivering working software increments.
• Participate in all Scrum ceremonies, including daily stand-ups, sprint planning, reviews, and retrospectives.
• Work closely with the Product Owner to refine and prioritize backlog items and define sprint goals.
• Contribute to a culture of continuous improvement, team collaboration, and shared accountability.

Required Skills & Qualifications:

• Proficiency in ASP.NET MVC and Entity Framework for web application development.
• Expertise in developing and executing automated data validation/testing 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, test cases, and defect tracking.
• Solid understanding of Agile/Scrum principles and practices.
• Proficiency in Microsoft Office Suite, including Excel (for data analysis) and Visio (for process mapping).

Preferred:

• Experience with legacy system modernization or public-sector transformation projects.
• Knowledge of security, access control, and user role management in enterprise applications.
• Familiarity with API documentation, system integration, and report validation.

V Group Inc. is a NJ-based IT Services and Products Company with its business strategically categorized in various Business Units including Public Sector, Enterprise Solutions, Professional Services, Ecommerce, Projects, and Products. Within Public Sector business unit, we cater IT Professional Services to Federal, State and Local. We have multiple awards/contracts with 30+ states, including but not limited to NY, CA, FL, GA, MD, MI, NC, OH, OR, CO, CT, TN, PA, TX, VA, NM, VT, and WA.

Website: https://www.vgroupinc.com/publicsector

LinkedIn: https://www.linkedin.com/company/v-group/

Facebook: https://www.facebook.com/VGroupIT

Twitter: https://www.twitter.com/vgroupinc