Application Support Engineer

Job Description
Role Summary
We are looking for a proactive and technically strong Application Support Engineer with experience in MEAN/MERN stack applications to provide L2/L3 production support, incident management, troubleshooting, and application maintenance. The candidate will work closely with business users, development teams, infrastructure teams, and third-party vendors to ensure application stability, availability, and performance.
The ideal candidate should have hands-on experience supporting enterprise web applications built on MongoDB, Express.js, Angular/React, and Node.js, along with strong troubleshooting, debugging, and SQL/database skills.
Key Responsibilities Application Support & Maintenance
Provide L2/L3 support for production applications.
Monitor application health, performance, and availability.
Analyze, troubleshoot, and resolve production incidents within defined SLAs.
Perform root cause analysis (RCA) for recurring issues.
Coordinate with development teams for code fixes and enhancements.
Support production releases, deployments, and post-release validation.
Incident & Problem Management
Manage incidents, service requests, and problem tickets.
Investigate application, database, API, and integration issues.
Track and communicate incident status to stakeholders.
Drive permanent fixes for recurring production issues.
Participate in on-call and support rotation activities.
Responsibilities
QUALIFICATIONS
About Us
At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.
Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.
We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.

Work arrangement
No