Java Application Support Engineer

Network People Services Technologies Ltd.; Dadri; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

Network People Services Technologies Ltd. in Noida seeks an experienced L2/L3 application support engineer to manage Java and Node.js systems, run .jar files, analyze logs and fix issues in live environments.

You will write shell scripts, monitor with Zabbix, Grafana, Prometheus and Nagios, and collaborate with development and infrastructure teams. The role requires 6–9 years of IT/Fintech experience, 5 days onsite, and a Bachelor’s degree in CS or SE.

Qualifications

• Experience in troubleshooting Java-based applications and Node.js runtimes.
• Ability to run and debug .JAR files, trace logs, and resolve errors.
• Scripting knowledge and familiarity with monitoring tools.

Responsibilities

• Lead and manage L2/L3 application support operations for Java and Node.js applications.
• Troubleshoot and resolve issues in live environments, ensuring minimal downtime.
• Execute and monitor .JAR files, identify runtime errors, and perform root cause analysis.
• Analyze applications, servers, and system logs to detect and address anomalies.
• Write scripts (Shell, Bash) to automate repetitive tasks and log parsing.
• Monitor application performance and health using tools such as Zabbix, Grafana, Prometheus, and Nagios.
• Coordinate with development and infrastructure teams for fix implementation and testing.
• Document known errors, troubleshooting steps, and solutions in knowledge base.
• Train and guide junior team members in application support practices.
• Participate in deployments, validations, and provide post-deployment support.
• Maintain SOPs, runbooks, and knowledge base for all supported applications.
• Ensure compliance with internal audit, IT security policies, and external standards like ISO 27001.

Skills

Java support

Node.js runtime

Log analysis

Shell scripting

Python

Linux/Unix

Monitoring tools

Ticketing tools

Education

Bachelor’s degree in software engineering or computer science

Tools

Apache Tomcat

NGINX

WebLogic

Zabbix

Grafana

Prometheus

Nagios

ServiceNow

JIRA

Freshservice

Job description

India has witnessed a journey of Innovation in Digital Payments and today it leads the world with over 45% of the Global digital transaction volume. At NPST, we believe that our decade long journey has carved an opportunity for building future roadmap for the world to follow.

We are determined to contribute immensely to nation’s growth story with our vision “to provide digital technology across financial value chain” and our mission to create leadership position in digital payment space.

Founded in 2013, NPST is a leading fintech firm in India, part of the Make in India initiative and listed on BSE and National Stock Exchange. We specialize in Digital Payments operating as Technology Service Provider to Regulated entities and providing Payment Platform to Industry – empowered by payment processing engine, Financial Super app, Risk Intelligence engine and digital merchant solution.

While we drive 3% of global digital transaction volume for over 100+ clients, we aim to increase our market share by 5X in next five years through innovation and industry first initiatives.

What will you do

The ideal candidate will have in-depth experience in troubleshooting Java-based applications, with a working knowledge of Node.js (preferred). The role requires the ability to run .JAR files, analyze logs, debug errors, and implement quick and effective resolutions. Candidates must also have scripting expertise and familiarity with modern monitoring tools.

Job Responsibilities

• Lead and manage L2/L3 application support operations for Java and Node.js applications.
• Troubleshoot and resolve issues in live environments, ensuring minimal downtime.
• Execute and monitor .JAR files, identify runtime errors, and perform root cause analysis.
• Analyze applications, servers, and system logs to detect and address anomalies.
• Write scripts (Shell, Bash) to automate repetitive tasks and log parsing.
• Monitor application performance and health using tools such as Zabbix, Grafana, Prometheus, and Nagios.
• Coordinate with development and infrastructure teams for fix implementation and testing.
• Document known errors, troubleshooting steps, and solutions in knowledge base.
• Train and guide junior team members in application support practices.
• Participate in deployments, validations, and provide post-deployment support.
• Maintain SOPs, runbooks, and knowledge base for all supported applications.
• Ensure compliance with internal audit, IT security policies, and external standards like ISO 27001.

What are we looking for:

• Strong experience supporting Java-based applications and Node.js runtimes (preferred).
• Ability to run and debug .JAR files, trace logs, and resolve errors efficiently.
• Hands-on knowledge on middleware technologies such as Apache Tomcat, NGINX, or WebLogic.
• Proficient in log analysis and performance tuning of applications.
• Scripting experience with Shell, Bash, or Python.
• Expertise with monitoring tools: Zabbix, Grafana, Prometheus, Nagios.
• Proficient with ticketing & ITSM tools like ServiceNow, JIRA, Freshservice.
• Strong understanding of Linux/Unix systems and command-line troubleshooting.
• Security awareness: understanding of patch management, encryption, firewalls, and access controls.
• Excellent problem-solving and effective communication with technical and non-technical stakeholders.

Education Qualification - Bachelor’s degree in software engineering or computer science.

Experience – 6-9 years

Industry - IT/Software/BFSI/ Banking /Fintech

Work arrangement – 5 days working from office

Location – Noida

What do we offer:

• An organization where we strongly believe in one organization, one goal.
• A fun workplace which compels us to challenge ourselves and aim higher.
• A team that strongly believes in collaboration and celebrating success together.
• Benefits that resonate ‘We Care’.