Java L3 Support Engineer

Infosys Consulting; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

Infosys Consulting in Singapore is seeking an experienced L3 support specialist for Java-based banking applications. You will troubleshoot production issues, monitor batch jobs with Autosys, and collaborate with DevOps and development teams to optimize performance.

Ideal candidates have strong Java/Spring Boot, microservices, Big Data (Hadoop/Spark/Hive), and ITIL experience, with SQL/Oracle proficiency and a track record of RCA-based permanent fixes.

Qualifications

• 5+ years of experience in IT operations and application support.
• Strong Java, Spring Boot, and microservices expertise.
• Hands-on autosys and batch processing experience.
• Knowledge of Hadoop, Spark, Hive for data processing.
• SQL/Oracle skills and ITIL process familiarity.

Responsibilities

• Provide L3 support for Java-based banking applications.
• Troubleshoot and resolve complex production issues with minimal downtime.
• Monitor and manage batch jobs using Autosys and scheduling tools.
• Work with Big Data frameworks for data processing and analysis.
• Perform RCA and implement permanent fixes.
• Collaborate with development, infra, and DevOps teams for improvements.
• Support incident management, change requests, and performance optimization.

Skills

Java

Spring Boot

Microservices

Autosys

Big Data (Hadoop/Spark/Hive)

SQL

Oracle

ITIL processes (Incident/Problem/CHG)

Debugging & log analysis

Performance tuning

Tools

Autosys

Jenkins

Docker

Kubernetes

Job description

Experience:

5+ years

Key Responsibilities:

Provide Level 3 (L3) support for Java-based banking applications.

Troubleshoot and resolve complex production issues, ensuring minimal downtime.

Monitor and manage batch jobs using Autosys and other scheduling tools.

Work with Big Data frameworks (Hadoop, Spark, Hive) for data processing and analysis.

Perform root cause analysis (RCA) and implement permanent fixes.

Collaborate with development, infrastructure, and DevOps teams for system improvements.

Support incident management, change requests, and performance optimization.

Required Skills:

Strong Java, Spring Boot, Microservices expertise.

Hands-on experience with Autosys and batch processing.

Knowledge of Big Data technologies (Hadoop, Spark, Hive).

Expertise in SQL, Oracle, or other relational databases.

Familiarity with ITIL processes (Incident, Problem, and Change Management).

Strong debugging, log analysis, and performance tuning skills.

Nice to Have:

Experience with Cloud platforms (AWS, Azure, GCP).

Exposure to DevOps tools (Jenkins, Docker, Kubernetes).

Prior experience in banking/financial applications.