Application Support Engineer (Java application support)

Who we are and what do we do

Innovation in every byte

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

Troubleshoot and resolve issues in live environments, ensuring minimal downtime.

Execute and monitor .JAR files, identify runtime errors.

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 fixing implementation and testing.

Document known errors, troubleshooting steps, and solutions in knowledge base.

Participate in deployments, validations, and provide post-deployment support.

Maintain SOPs, runbooks, and knowledge base for all supported applications.

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 identify errors efficiently.

Hands-on knowledge on middleware technologies such as java, Apache Tomcat, NGINX, or Jboss.

Proficient in log analysis and performance tuning of applications.

Scripting experience with Shell, Bash, or Python.

Expertise with monitoring tools : Zabbix, Grafana, Prometheus, Nagios.

Strong understanding of Linux / Unix systems and command-line troubleshooting.

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

Experience – 3-5 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’.

If this opportunity excites you, we invite you to apply and contribute to our success story. If your resume is shortlisted, you will hear back from us.