Senior Application Support Developer

U.S. Legal Support; Houston (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

U.S. Legal Support is seeking a Senior Applications Support Developer in Houston to provide advanced production support for critical applications, integrations, and services.

You will diagnose complex issues, review logs, and coordinate with cross-functional teams to ensure rapid, permanent resolutions. The role requires strong ownership, troubleshooting, and communication skills, with experience in .NET/C#, SQL, REST APIs, and legacy Java code.

Qualifications

• 5+ years of professional experience in application support, development, or a mix with clear production-support ownership.
• Strong experience supporting production applications and troubleshooting complex issues (incidents, RCA, permanent fixes).
• Working knowledge of .NET / .NET Core and C# required.
• Ability to independently learn and navigate an unfamiliar legacy Java codebase to troubleshoot production issues.

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.
• Monitor application health, jobs, integrations, and system activity to identify potential issues before they impact users.
• Analyze application logs, database records, API responses, configuration, and system workflows to identify the source of problems.
• Prioritize incidents based on business impact and drive timely resolution while maintaining ownership through closure.

Skills

Production support

Analytical thinking

SQL troubleshooting

C#

REST APIs

Legacy Java understanding

HTTP/JSON/XML

Documentation

Incident management

Communication

Education

Bachelor's degree in Computer Science or related field

Tools

Git

Azure DevOps

CI/CD

Tomcat/Apache

Job description

Senior Applications Support Developer

We are seeking a Senior Applications Support Developer to provide advanced production support for business-critical applications, integrations, and related services. This role requires strong technical troubleshooting skills, application support experience, analytical thinking, and the ability to independently diagnose and resolve complex production issues.

Location: Houston, TX Candidates must be able to come in to the office for meetings as needed - Must live in the Houston area

Schedule: Monday-Friday 8:00-5:00 - CST

Key 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 before they impact users.
• Analyze application logs, database records, API responses, configuration, and system workflows to identify the source of problems.
• Prioritize incidents based on business impact and drive timely resolution while maintaining ownership through closure.
• Escalate appropriately and contribute to automation and tools that improve support efficiency.

Incident & Problem Management

• 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 rather than relying on temporary workarounds.
• Document incidents, root causes, resolutions, and preventative actions.
• Maintain knowledge articles, troubleshooting guides, and application support documentation.
• Participate in incident reviews and continuous improvement of support processes.

Release & Deployment Support

• Support application releases, deployments, and production changes.
• Participate in release planning, validation, and post-deployment monitoring.
• Work with development teams to troubleshoot deployment-related issues.
• Maintain awareness of application dependencies and production environments.

Client & Business Communication

• Work directly with business users and stakeholders to understand and troubleshoot application issues.
• Communicate technical issues and resolutions clearly to technical and non-technical audiences.
• Coordinate with clients, vendors, and external partners when issues involve third-party applications or integrations.
• Provide clear status updates during production incidents, including professional email communications on incidents, resolutions, testing, and production activities.
• Coordinate action items, dependencies, and follow-ups across support, development, infrastructure, and business teams.

Core Competencies

• Strong production application support and troubleshooting skills
• Advanced analytical and problem-solving abilities
• Strong ownership and follow-through on production incidents
• Strong SQL and database troubleshooting skills
• Working knowledge of .NET applications, C#, and REST APIs
• Ability to read and navigate unfamiliar legacy Java code, configs, and logs to isolate production issues
• Strong understanding of integrations, application dependencies, HTTP, JSON, and XML
• Ability to analyze logs, data, API responses, and system behavior
• Clear written and verbal communication with clients, vendors, and business stakeholders
• Focus on application reliability, stability, security, and maintainability

Position Requirements

• 5+ years of professional experience in application support, application development, or a combination of both—with clear production-support ownership
• Strong experience supporting production applications and troubleshooting complex issues (incidents, RCA, permanent fixes)
• Working knowledge of .NET / .NET Core and C# required
• Ability to independently learn and navigate an unfamiliar legacy Java codebase to troubleshoot production issues, even without extensive Java development experience
• Strong SQL troubleshooting experience with MS SQL Server, MySQL/MariaDB, or equivalent (queries, data investigation, and performance issues—not report-only use)
• 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
• Experience with Azure DevOps and CI/CD or application deployment / release processes
• Experience working with development, infrastructure, database, vendor, and business teams
• Demonstrated experience working directly with clients, external partners, or business stakeholders, including clear written status updates
• Bachelor’s degree in Computer Science, Information Technology, or related field, or equivalent professional experience

Preferred / Nice-to-Have Skills

• Experience with AWS services such as S3, EFS, SES, SNS
• Experience with application monitoring and alerting tools
• Experience with legacy Java applications, Spring MVC, Apache Struts, JSP
• Understanding of Hibernate or similar ORMs
• Experience with Apache/Tomcat server configurations and deployments
• Working knowledge of Linux environments
• Experience using AI-assisted tools such as GitHub Copilot, Cursor, or similar tools