Senior Applications Support Engineer (Java/.NET)

U.S. Legal Support, Inc.; Houston, Northern (TX, KY); Hybrid; USD 90,000 - 140,000; Full time

Job summary

U.S. Legal Support, Inc. is seeking a Senior Applications Support Developer in Houston to provide advanced production support for business-critical apps and integrations.

The role spans legacy Java and modern .NET/C# environments, requiring troubleshoot skills, log analysis, and stakeholder communication. Initially hands-on with the Java app, you will help migrate to .NET and provide ongoing production support for the modernized system.

Qualifications

• 5+ years in application support or development with production ownership.
• Strong experience with .NET / .NET Core and C#.
• Ability to independently learn and navigate an unfamiliar legacy Java codebase to troubleshoot production issues.
• Strong SQL troubleshooting experience with MS SQL Server, MySQL/MariaDB, or equivalent.
• Experience troubleshooting RESTful APIs and third-party integrations.
• Strong understanding of HTTP, JSON, XML, and common integration patterns.
• Experience with Git and source code repositories; Azure DevOps and CI/CD.
• Experience working with development, infrastructure, database, vendor, and business teams.
• Bachelor’s degree in Computer Science, Information Technology, or related field, or equivalent professional experience.

Responsibilities

• Provide advanced production support for business-critical applications, services, integrations, and scheduled processes.
• Support both legacy Java applications and .NET-based applications and integrations.
• Support the transition from the legacy Java application to the modern .NET application.
• Monitor application health, jobs, integrations, and system activity to identify potential issues.
• Analyze application logs, database records, API responses, configuration, and system workflows to identify issues.
• Prioritize incidents based on business impact and drive timely resolution with ownership through closure.
• Escalate appropriately and contribute to automation and tools to improve support efficiency.
• Perform root cause analysis for recurring and high-impact production issues.
• Identify trends and recurring failures and recommend improvements to prevent future incidents.
• Implement or coordinate permanent fixes; document incidents and resolutions.
• Maintain knowledge articles and troubleshooting guides; participate in incident reviews and process improvements.
• Support application releases, deployments, and production changes; participate in release planning and post-deployment monitoring.
• Work with development teams to troubleshoot deployment-related issues; coordinate with clients and vendors as needed.
• Provide clear status updates during production incidents and maintain communication with stakeholders.

Skills

Production support

SQL troubleshooting

NET/C#

REST APIs

Java navigation

Communication with stakeholders

CI/CD familiarity

Git

Azure DevOps

Incident ownership

Log analysis

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Azure DevOps

CI/CD

Tomcat

Linux

MS SQL Server

MySQL/MariaDB

Job description

U.S. Legal Support, Inc. is seeking a Senior Applications Support Developer in Houston to provide advanced production support for business-critical apps and integrations.

The role spans legacy Java and modern .NET/C# environments, requiring troubleshoot skills, log analysis, and stakeholder communication. Initially hands-on with the Java app, you will help migrate to .NET and provide ongoing production support for the modernized system.