REQT: Direct Client: .NET Developer @ Hartford, CT Hybrid Only Locals.

NET Developer Hartford, CT

• Hybrid
• Only Locals 6 Months Contract We are seeking candidates who do not require visa sponsorship, are eligible to work on a W2 . Software Application Developer
• Application Modernization Position Summary The Office of Early Childhood (OEC) is hiring a Software Application Developer to implement and maintain server side and UI components as part of a legacy-to-modernization effort.

The project targets .NET Framework 4.8 and uses Visual Studio 2022 for development. This is a hybrid position requiring 2 in office days. This role focuses on fullstack application development (server and UI), database integration, ETL/SSIS collaboration, performance and security hardening, and CI/CD support within an Agile Scrum team. Integrations are implemented via direct database access, SSIS/ETL, file interfaces, and scheduled jobs.

Key Responsibilities:

Requirements Analysis & Documentation

• Collaborate with product owners, business stakeholders, and architects to elicit, analyze, and document technical and functional requirements.
• Translate business requirements into developer tasks, acceptance criteria, and Azure DevOps work items.
• Produce and maintain technical design notes, screen/interface mappings, and operational runbooks. Application Development & Implementation
• Design, implement, and refactor serverside components using C# and

ASP.NET MVC

targeting .NET Framework 4.8.

• Build and maintain Razor views and client behaviors using HTML5, CSS3, JavaScript, jQuery, and Bootstrap.
• Implement business logic, background jobs, scheduled tasks (Windows services / Task Scheduler), and server-side processing without introducing API layers.
• Use Entity Framework or ADO.NET and stored procedures for direct database access and transactional logic.
• Participate in code reviews and enforce coding standards, security, and maintainability best practices. Database, Integration & ETL Collaboration
• Work with Azure

SQL / SQL

Server schema, stored procedures, indexing and performance tuning.

• Collaborate with data engineers on SSIS packages, ETL processes, and file-based interfaces; validate integration points and data flows.
• Implement data access patterns that support migration validation and referential integrity checks. Quality, Performance & Security
• Profile and resolve performance issues; implement caching, batching, and asynchronous processing where appropriate.
• Apply secure coding practices; implement authentication/authorization used by the project (Windows auth, Forms auth, or Azure AD as applicable).
• Assist with operational support: logging, monitoring, diagnostics and incident response runbooks. DevOps & Release Management
• Contribute to CI/CD pipeline definitions and maintenance in Azure DevOps (builds, tests, packaging, deployments).
• Produce deployment artifacts and support automated deployments to test, staging, and production environments.
• Maintain deployment documentation and rollback plans. Agile/Scrum Collaboration
• Participate in all Scrum ceremonies (daily standups, sprint planning, reviews, retrospectives).
• Collaborate closely with QA, data migration specialists, and business SMEs to deliver sprint goals. Technical Skills & Qualifications Required
• Strong professional experience with C# and .NET Framework 4.8 (ASP.NET MVC, Razor views).
• Experience with Entity Framework and/or ADO.NET, T-SQL, stored procedures, and query performance tuning on SQL Server / Azure SQL.
• Proficiency with front-end technologies used by the project: HTML5, CSS3, JavaScript, jQuery, Bootstrap.
• Practical experience with

Azure DevOps:

Git source control, build/release pipelines, work item and test management.

• Familiarity with Visual Studio 2022 for day-to-day development and debugging.
• Strong troubleshooting skills and experience resolving production defects and performance issues. Preferred
• Experience with unit and integration testing frameworks and test automation.
• Handson experience with SSIS or similar ETL tooling and coordinating application-side integration with ETL processes.
• Prior experience modernizing legacy .NET Framework applications in public-sector or enterprise contexts.
• Familiarity with Windows services, scheduled tasks, or job schedulers used to run background processing.
• Experience with application logging/telemetry and operational runbooks.
• Knowledge of security/access controls for enterprise applications and data handling best practices.
• Exposure to accessibility (WCAG) and cross-browser compatibility testing. Key Deliverables
• Implemented user stories with server and UI components.
• Technical design documents, UI mapping, and runbooks for operational support.
• Database schema updates, stored procedures, and performance tuning changes.

SSIS/ETL

coordination artifacts and integration test results.

• Unit/integration test artifacts and CI pipeline results in Azure DevOps.
• Deployment artifacts, pipeline definitions, and rollback/runbook documentation.
• Status reports, defect logs, and knowledge transfer materials.