Java Production Support

QUESS SELECTION & SERVICES PTE. LTD.; Singapore; On-site; SGD 20,000 - 60,000; Full time

Job summary

A leading staffing services provider in Singapore is seeking an experienced Java L3 Production Support Lead. The candidate will manage high-impact production environments, ensuring system stability and reliability. Responsibilities include leading incident resolution, troubleshooting complex Java issues, and optimizing application performance. Essential skills include expertise in Core Java, SQL, and familiarity with ITIL processes. This role promotes a DevOps mindset and engagement across teams for operational efficiency.

Qualifications

• Strong hands-on coding abilities in Core Java.
• Experience with troubleshooting complex production issues.
• Knowledge of Incident Management Lifecycle and ITIL processes.

Responsibilities

• Lead L3 production support for mission-critical applications.
• Troubleshoot issues in Java-based systems.
• Automate recurring operational tasks.
• Automate recurring operational tasks.
• Monitor logs and application metrics for issues.

Skills

Core Java

Spring Framework

SQL query writing and optimization

Linux/Unix

Shell scripting

Autosys

DevOps mindset

Tools

Redis

AWS

Job description

Role Overview
We are seeking an experienced Java L3 Production Support Lead with strong hands-on coding abilities and deep expertise in managing high-impact production environments. The ideal candidate will excel in troubleshooting complex Java application issues, optimizing system performance, and driving DevOps-aligned practices to ensure stability, reliability, and scalability.

Key Responsibilities

• Lead L3 production support for mission-critical applications, ensuring high availability and timely incident resolution.

• Troubleshoot and resolve complex issues in Java-based systems.

• Work closely with development, QA, and infrastructure teams to enhance application performance and reliability.

• Apply best practices for incident, problem, and root cause analysis following ITIL guidelines.

• Automate recurring operational tasks to enhance efficiency.

• Optimize SQL queries and overall database performance.

• Monitor logs, system health, scheduled jobs, and application metrics for proactive issue detection.

Required Skills

• Strong knowledge of Core Java (OOP, Collections, Exception Handling, Multithreading).

• Experience with the Spring Framework (Spring Boot preferred).

• Solid understanding of the Incident Management Lifecycle and ITIL processes.

• Proficiency in SQL query writing and optimization; good grasp of indexing and performance tuning.

• Working knowledge of Linux/Unix (log analysis, troubleshooting commands).

• Shell scripting for basic automation (added advantage).

• Hands-on experience with Autosys for job scheduling and monitoring.

• A DevOps mindset, with familiarity in CI/CD pipelines and monitoring tools.

Nice-to-Have Skills

• Experience with caching tools such as Redis.

• Exposure to cloud platforms, preferably AWS.

• Knowledge of performance tuning for Java applications.

Soft Skills

• Strong analytical and problem-solving abilities.

• Ability to work under pressure, especially during critical incidents.

• Excellent communication and collaboration skills.
  

  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