Application Support Engineer (Frontend / ReactJS)

ARISTON SERVICES PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

ARISTON SERVICES PTE. LTD. invites experienced developers to join a functional and technical support role in Singapore, focusing on frontend React/TypeScript, Java, and SQL.

You will translate business needs into technical solutions, perform data testing, and collaborate with project leads and users to improve processes, system performance, and user experience.

The role requires 3–5 years of relevant experience and a willingness to learn COBOL/JCL legacy components.

Qualifications

• 3-5 years relevant experience
• Front End tech - React/TypeScript/JavaScript + application support as core skills
• Java and SQL and/or COBOL/JCL - preferred/trainable.

Responsibilities

• Understand business needs and translate them into technical requirements.
• Analyze and design for new enhancements and/or existing functionalities.
• Data mining and testing to ensure new enhancements and/or existing functionalities meet business needs.
• Work with project leads, users, and developers to improve processes and functionality.
• Assist with React/TypeScript frontend and Java application development, troubleshooting, and BAU post-implementation.
• Monitor and troubleshoot batch processing job and ensure batch cycles run without failures.
• Write and optimize SQL queries for reporting and data analysis.
• Maintain application code in COBOL and JCL, including legacy database and file structures (VSAM, sequential files).
• Support client project leads and users with technical issues and work on improving system performance.
• Identify and resolve technical issues related to React/TypeScript frontend applications, Java backends, and SQL databases post-implementation.
• Investigate and troubleshoot frontend UI/UX issues, ensuring a seamless user experience.
• Help analyze operational problems and suggest improvements.
• Work closely with both technical teams and business project leads/users to ensure smooth communication.
• Contribute to system improvements and process automation.
• Collaborate with cross teams to deliver cohesive frontend solutions.

Skills

React

TypeScript

JavaScript

Application support

Java

SQL

COBOL/JCL

Tools

VSAM

Job description

Functional Support:

Understand business needs and translate them into technical requirements.

Analyze and design for new enhancements and/or existing functionalities.

Data mining and testing to ensure new enhancements and/or existing functionalities meet business needs.

Work with project leads, users, and developers to improve processes and functionality.

Technical Support:

Assist with React/TypeScript frontend and Java application development, troubleshooting, and BAU (Business-As-Us-ual) support post-implementation.

Monitor and troubleshoot batch processing job and ensure batch cycles run without failures.

Write and optimize SQL queries for reporting and data analysis.

Maintain application code in COBOL and JCL, including legacy database and file structures (VSAM, sequential files).

Support client project leads and users with technical issues and work on improving system performance.

Problem Solving:

Identify and resolve technical issues related to React/TypeScript frontend applications, Java backends, and SQL databases post-implementation.

Investigate and troubleshoot frontend UI/UX issues, ensuring a seamless user experience.

Help analyze operational problems and suggest improvements.

Teamwork:

Work closely with both technical teams and business project leads/users to ensure smooth communication.

Contribute to system improvements and process automation.

Collaborate with cross teams to deliver cohesive frontend solutions.

Requirements:

3- 5 years relevant experence

Front End tech - React/typescript/JavaScript + application support as core skills

Java and SQL and/or COBOL/JCL - preferred/trainable.