Software Engineer(Java, SQL/PLSQL & Unix)

ANTAS PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

ANTAS PTE. LTD. is seeking a Software Engineer to build, maintain and support enterprise applications in the banking and financial services sector. You will work on backend Java development, SQL/PLSQL queries, and Unix/Linux shell scripting in a data‑driven environment.

The role emphasizes batch processing, application support, debugging and deployment verification, with collaboration across developers, DBAs and analysts to implement system improvements.

Qualifications

• Bachelor's degree in Computer Science, IT, Engineering or related discipline.
• 5 years of relevant software development, maintenance or support experience.
• Hands-on Java programming with Core Java and Java Collections.
• Proficient in SQL/PLSQL, joins, subqueries, and stored procedures.
• Experience with Oracle or Sybase databases and Unix/Linux basics.
• Knowledge of batch processing, file handling and data validation.
• Familiarity with SDLC, Git, and basic CI/CD concepts.
• Good analytical, problem-solving, and written/oral communication skills.

Responsibilities

• Develop, test and maintain Java applications in backend domains.
• Write and optimize SQL queries, PL/SQL procedures and packages.
• Support Oracle or Sybase databases and perform data validation.
• Create and maintain Unix/Linux Shell scripts for batch jobs.
• Monitor and execute batch jobs, file transfers and workflows.
• Debug, log analyze and perform basic root cause analysis.
• Conduct unit/integration testing and deployment verification.
• Assist with production support, incidents, releases and changes.
• Maintain documentation, tests and operational procedures.
• Collaborate with analysts, DBAs and support teams to implement enhancements.

Skills

Java

Core Java

OOP concepts

Java Collections Framework

SQL

PL/SQL

Unix/Linux Shell scripting

Batch processing

Debugging & log analysis

SDLC

Agile/Waterfall

Problem-solving & communication

Education

Bachelor's degree in Computer Science / IT / Engineering

Tools

Git

Maven

Jenkins

Job description

We are seeking a Software Engineer to develop, maintain and support enterprise applications within the banking and financial services domain. The role requires hands-on experience in Java programming, SQL/PLSQL, Oracle or Sybase databases, and Unix/Linux Shell scripting, with a focus on backend development, batch processing and application support.

Key Responsibilities

• Develop, test and maintain Java applications using Core Java, OOP concepts, exception handling and Java Collections Framework.

• Write and execute SQL queries, joins, subqueries and PL/SQL procedures, functions and packages.

• Support database operations using Oracle or Sybase, including data validation, query optimisation and troubleshooting.

• Develop and maintain Unix/Linux Shell scripts using Bash or KornShell (Ksh) for file processing, job execution and task automation.

• Execute and monitor batch jobs, scheduled tasks, file transfers and backend data processing workflows.

• Perform application debugging, log analysis, defect investigation and basic root cause analysis.

• Conduct unit testing, integration testing, bug fixing and deployment verification.

• Assist with production support, incident resolution, application releases and change requests.

• Maintain source code, technical documentation, test cases and operational procedures.

• Collaborate with developers, business analysts, database administrators and application support teams to implement system enhancements.

Mandatory Skills & Experience

• Bachelor's degree in Computer Science, Information Technology, Engineering or a related discipline.
• 5 years of relevant experience in software development, application maintenance or technical support.
• Hands-on programming knowledge of Java, Core Java, OOP and Java Collections Framework.
• Proficiency in SQL, PL/SQL, joins, subqueries, stored procedures and functions.
• Practical experience with Oracle or Sybase databases.
• Working knowledge of Unix/Linux commands and Shell scripting (Bash/Ksh).
• Experience with batch processing, scheduled jobs, file handling and data validation.
• Knowledge of debugging, log analysis, exception handling and application troubleshooting.
• Familiarity with unit testing, integration testing, Git version control and software development life cycle (SDLC).
• Basic knowledge of Agile/Scrum or Waterfall development methodologies.
• Good analytical, problem-solving, communication and documentation skills.

Preferred Skills

• Exposure to banking applications, financial transaction processing or enterprise systems.
• Familiarity with job scheduling tools, batch monitoring and file transfer protocols such as SFTP.
• Basic understanding of application performance monitoring and production incident management.
• Exposure to Git, Maven, Jenkins and CI/CD processes