Software Developer- Contract Role

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

Job summary

QUESS ENGINEERING PTE. LTD. is seeking an experienced Application Engineer to support, maintain, and optimize enterprise applications and database platforms, ensuring high availability and reliability.

You will work with cross-functional teams to deliver secure technology solutions that meet business needs. The role covers application support, database administration, performance tuning, scripting in Linux, and contributing to continuous improvement of systems and processes while adhering to

Qualifications

• Minimum 10+ years of experience in application support or software engineering.
• Strong proficiency in Oracle Forms and Oracle Reports, including form triggers, built-ins, libraries, and runtime configuration.
• Hands-on experience with NoSQL (Application Development Framework).
• Strong PostgreSQL programming skills, including stored procedures, functions, database schema design, and performance tuning.
• Experience supporting or modernising legacy Oracle applications and integrating them with newer platforms.
• Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related field.

Responsibilities

• Analyze business and technical requirements and translate functional specifications into technical solutions, following established development and engineering best practices.
• Install, configure, maintain, and support enterprise applications and database environments.
• Administer, monitor, and optimize relational and NoSQL databases to ensure high availability, performance, and reliability.
• Perform database administration activities, including installation, configuration, backup, recovery, replication, patching, and performance tuning.
• Investigate application and database incidents, identify root causes, implement corrective actions, and perform preventive maintenance.
• Monitor application and database performance, identify bottlenecks, and recommend optimization improvements.
• Develop and maintain Shell scripts to automate routine administrative and operational tasks in Linux environments.
• Execute unit testing, integration testing, system testing, User Acceptance Testing (UAT), and support production deployments.
• Implement approved configuration changes to application software, databases, and related documentation while maintaining configuration management standards.
• Prepare and maintain up-to-date technical documentation, operational procedures, system configurations, and support guides.
• Ensure applications and database environments comply with organizational security policies, database security standards, and operational best practices.
• Support production systems by resolving incidents, managing service requests, and participating in root cause analysis for recurring issues.
• Work closely with Technical Leads, Database Administrators, Infrastructure Engineers, Business Analysts, and application teams to deliver reliable enterprise solutions.
• Participate in requirements gathering, technical discussions, and solution design reviews.
• Collaborate with cross-functional teams during application implementation, upgrades, migrations, and production support.
• Participate in peer reviews and knowledge-sharing initiatives to improve engineering quality and operational excellence.
• Contribute to continuous improvement initiatives by identifying opportunities to enhance application stability, performance, and operational efficiency.

Skills

Relational & NoSQL DBs

PostgreSQL programming

Oracle Forms & Reports

Linux shell scripting

Application support

Incident management

Performance tuning

NoSQL (ADF) experience

Education

Bachelor's Degree in CS / IT / Software Eng

Tools

Oracle Forms

Oracle Reports

PostgreSQL

MySQL

MS SQL Server

MongoDB

Greenplum

Linux

Job description

Responsibilities:

The Application Engineer is responsible for supporting, maintaining, and optimizing enterprise applications and database platforms to ensure system availability, performance, and reliability. The role involves application support, database administration, troubleshooting, performance tuning, and collaborating with cross-functional teams to deliver secure and high-quality technology solutions that meet business and operational requirements.

• Analyze business and technical requirements and translate functional specifications into technical solutions, following established development and engineering best practices.
• Install, configure, maintain, and support enterprise applications and database environments.
• Administer, monitor, and optimize relational and NoSQL databases to ensure high availability, performance, and reliability.
• Perform database administration activities, including installation, configuration, backup, recovery, replication, patching, and performance tuning.
• Investigate application and database incidents, identify root causes, implement corrective actions, and perform preventive maintenance.
• Monitor application and database performance, identify bottlenecks, and recommend optimization improvements.
• Develop and maintain Shell scripts to automate routine administrative and operational tasks in Linux environments.
• Execute unit testing, integration testing, system testing, User Acceptance Testing (UAT), and support production deployments.
• Implement approved configuration changes to application software, databases, and related documentation while maintaining configuration management standards.
• Prepare and maintain up-to-date technical documentation, operational procedures, system configurations, and support guides.
• Ensure applications and database environments comply with organizational security policies, database security standards, and operational best practices.
• Support production systems by resolving incidents, managing service requests, and participating in root cause analysis for recurring issues.
• Work closely with Technical Leads, Database Administrators, Infrastructure Engineers, Business Analysts, and application teams to deliver reliable enterprise solutions.
• Participate in requirements gathering, technical discussions, and solution design reviews.
• Collaborate with cross-functional teams during application implementation, upgrades, migrations, and production support.
• Participate in peer reviews and knowledge-sharing initiatives to improve engineering quality and operational excellence.
• Contribute to continuous improvement initiatives by identifying opportunities to enhance application stability, performance, and operational efficiency.

Key Requirements:

• Minimum 10+ years of experience in application support or software engineering.
• Strong proficiency in Oracle Forms and Oracle Reports, including form triggers, built-ins, libraries, and runtime configuration.
• Hands-on experience with NoSQL (Application Development Framework).
• Strong PostgreSQL programming skills, including stored procedures, functions, database schema design, and performance tuning.
• Experience supporting or modernising legacy Oracle applications and integrating them with newer platforms.
• Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related field.

Key Skills:

• Strong experience with relational and NoSQL databases, including:
• PostgreSQL
• MySQL
• Microsoft SQL Server (MSSQL)
• Sybase
• MongoDB
• Greenplum
• Experience in server database administration and performance tuning.
• Proficiency in Linux operating systems and Shell scripting.
• Experience in application support, troubleshooting, and incident management.
• Knowledge of database backup, recovery, replication, and monitoring.
• Understanding of database security and best practices.

Savita Rai

EA REG NO: R1873418

EA License No:23C2060

Disclaimer: The company is committed to ensuring the privacy and security of your information. By submitting this form, you consent to the collection, processing, and retention of the information you provide. The data collected (which may include your contact details, educational background, work experience and skills) will be used solely for the purpose of evaluating your qualifications for the position you’re applying for. Your data will be stored securely and retained for the duration necessary to fulfill our hiring process. If you are not selected for the position, your data will be kept on file for a limited period in case future opportunities arise. You have the right to access, correct, or delete your data at any time by contacting us at Quess Singapore | A Leading Staffing Services Provider in Singapore (quesscorp.sg)

This is in partnership with the Employment and Employability Institute Pte Ltd ("e2i").

e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to Quesscorp Singapore's PDPA and e2i's PDPA. By submitting your application for this position, you consent to the collection, use, and disclosure of your personal data by Quesscorp and its recruitment partners, including Employment and Employability Institute Pte Ltd, for the purpose of i) employment facilitation and ii) data and statistical analysis. You may find out more information on the PDPA policies at Quesscorp website and [https://www.e2i.com.sg/pdpa/].