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Hallmark Global Technologies Inc Logo
L3 Application Support Engineer

Hallmark Global Technologies Inc

 

Mount Laurel, New Jersey, USA

Posted On: 30+ days ago
Experience: 5+ years
Availability: Onsite
Openings: 1
Category: Application Support Engineer
Tenure: Contract - Corp-to-Corp
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Description

You provide Level 3 production support for enterprise applications built with Java, Spring Boot, and Angular.

This role is on-site.

Responsibilities

  • Resolve complex incidents across backend services, APIs, microservices, databases, and Angular frontend components.
  • Perform detailed root cause analysis on application logs, stack traces, JVM issues, and performance bottlenecks.
  • Implement bug fixes, patches, configuration changes, and minor enhancements in coordination with development teams.
  • Support production deployments, releases, and hotfixes, including post-release validation.
  • Maintain and enhance support documentation, SOPs, runbooks, and knowledge base articles.

Required Skills

  • 5+ years of experience in application support or engineering roles.
  • Strong proficiency in Java and Spring Boot for backend troubleshooting.
  • Experience debugging Angular-based frontend applications.
  • Ability to analyze APIs, microservices architectures, and database interactions.
  • Proven track record of conducting root cause analysis and resolving recurring production issues.
  • Familiarity with SLA, incident, problem, and change management processes.
  • Bachelor's degree in Computer Science or a related field.

Preferred Skills

  • Experience collaborating with DevOps and infrastructure teams for environment and deployment issues.
  • Ability to propose long-term architectural improvements based on incident trends.

Education

Bachelor's degree

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