.NET Developer

vTech Solution; Montgomery (AL); On-site; USD 65,000 - 110,000; Full time

Job summary

vTech Solution is seeking a mid-level .NET Developer to support and modernize mission-critical enterprise applications in a hybrid environment combining legacy IBM mainframe systems and Microsoft technologies. The role focuses on development, maintenance, modernization, integrations, reporting, and production support to ensure scalable, secure software solutions.

The candidate will analyze legacy Easytrieve applications, translate requirements to technical specs, implement enhancements, and

Qualifications

• Bachelor's degree in Computer Science, IT, Information Systems, or equivalent experience.
• 3-7 years of professional software development experience.
• 3+ years experience in IBM Mainframe development environments.
• Expertise in Microsoft technologies: .NET Framework / .NET Core, C#, Entity Framework Core.

Responsibilities

• Analyze and decode legacy Easytrieve enterprise applications on IBM mainframe platforms.
• Translate business requirements into technical specifications and application solutions.
• Design, develop, test, and deploy application enhancements and defect fixes.
• Support batch processing, data transformation, and enterprise integration workflows.
• Develop and maintain reports, extracts, and data distribution processes.

Skills

Mainframe development

.NET / C#

SQL Server / SSIS / SSRS

CMS 835/837 knowledge

Problem solving

Communication

Education

Bachelor's degree in CS or equivalent

Tools

Visual Studio

Azure DevOps

Git

SSMS

Job description

Job Summary:

The .NET Developer role involves supporting and enhancing mission-critical enterprise applications within a complex hybrid environment that combines legacy IBM mainframe systems and modern Microsoft technologies. The mid-level developer will focus on application development, maintenance, modernization, system integrations, reporting solutions, and production support to ensure scalable, secure, and maintainable software solutions.

Responsibilities:

• Analyze and decode legacy Easytrieve enterprise applications on IBM mainframe platforms.
• Translate business requirements into technical specifications and application solutions.
• Design, develop, test, and deploy application enhancements and defect fixes.
• Support batch processing, data transformation, and enterprise integration workflows.
• Develop and maintain reports, extracts, and data distribution processes.
• Create and support ETL solutions using SQL Server Integration Services (SSIS).
• Design, develop, and maintain reporting solutions using SQL Server Reporting Services (SSRS).
• Develop and maintain applications and utilities using .NET technologies.
• Write, optimize, and troubleshoot complex SQL queries, stored procedures, and database objects.
• Monitor and resolve production support issues ensuring system stability and data integrity.
• Participate in application modernization and legacy migration initiatives.
• Collaborate with business users, analysts, and cross-functional teams to troubleshoot and improve processes.
• Create and maintain technical documentation, application specifications, and support procedures.
• Participate in code reviews and ensure compliance with coding standards.
• Support various testing efforts including unit, integration, regression, architecture, and user acceptance testing.

Required Skills & Certifications:

• Bachelor's degree in Computer Science, IT, Information Systems, or equivalent experience.
• 3 7 years of professional software development experience.
• 3+ years experience in IBM Mainframe development environments.
• Strong familiarity with CMS Advise (835) and CMS 837 Health Care Claim file elements and standards.
• Experience supporting large-scale enterprise applications.
• Proficient in mainframe technologies including JCL, CICS, ROSCOE or TSO, Easytrieve/EasyPlus, and batch processing.
• Expertise in Microsoft technologies: .NET Framework / .NET Core, C#, Entity Framework Core.
• Strong database and reporting skills with SQL Server, T-SQL, SSRS, SSIS, stored procedures, and database performance tuning.
• Familiarity with development tools such as Visual Studio, Git, Azure DevOps Server, SSMS, and Markdown documentation.
• Excellent analytical, troubleshooting, problem-solving, and communication skills.

Preferred Skills & Certifications:

• Experience with application modernization and legacy system migration.
• Knowledge of manipulating and reporting on CMS data files (835 & 837) and ANSI ASC X12 HIPAA transaction sets.
• Experience with Medicaid electronic data specifications, companion guides, and state-specific formats.
• Expertise integrating mainframe applications with distributed platforms and APIs.
• Knowledge of ETL design and data transformation best practices.
• Familiarity with REST and SOAP web services.
• Experience with secure file transfer processes and data integration workflows.
• Experience with enterprise reporting and document generation solutions.
• Understanding of Agile/Scrum methodologies.
• Experience with Microsoft Azure cloud services.
• Background in healthcare, financial services, government, insurance, or other regulated industries.

Special Considerations:

• Position requires onsite presence in Montgomery, AL.
• Contract role with a duration of 6-12 months, possibility of extension.
• Virtual interview process.

Scheduling:

• Standard onsite work schedule; specific shift details not provided.