Java + React Application Developer [Low Latency, Multithreading, and Concurrency]

re-zoo-me; Singapore; Hybrid; SGD 90,000 - 150,000; Full time

Job summary

re-zoo-me is seeking an experienced Java Developer with DevOps/Infrastructure expertise to support a Data Centre Migration project for a Banking customer in Singapore.

Develop and maintain Java-based microservices, implement monitoring, logging, and alerting, ensure security best practices, and troubleshoot across dev/test/production. Collaborate with engineers, QA, and product teams and stay current with Java/DevOps trends.

Qualifications

• 7+ years of overall experience.
• Java development with backend focus (Microservices, Spring Boot, collections, low latency, multithreading, concurrency).
• Infrastructure & DevOps with deployment, server connectivity, and resource management.
• Containerization (Kubernetes, Podman) and CI/CD pipelines.
• Experience in AWS/Azure/Google Cloud.

Responsibilities

• Develop and maintain Java-based applications and microservices.
• Design and deploy monitoring, logging, and alerting systems.
• Ensure security best practices are followed throughout all stages of development and deployment.
• Troubleshoot and resolve issues in development, test, and production environments.
• Collaborate with software engineers, QA analysts, and product teams to deliver high-quality solutions.
• Stay current with industry trends and best practices in Java development and DevOps.

Skills

Java backend

Spring Boot

Microservices

Multithreading

Low latency

Concurrency

Infrastructure & DevOps

CI/CD pipelines

Cloud platforms

Deployment processes

Resource management

Containerization

Tools

Kubernetes

Podman

AWS

Azure

Google Cloud

CI/CD tooling

Job description

Project Description:

• We're seeking an experienced Java Developer with DevOps/Infrastructure knowledge to join Data Centre Migration Project for one of our Banking Customer.

Responsibilities:

• Develop and maintain Java-based applications and microservices.
• Design and deploy monitoring, logging, and alerting systems.
• Ensure security best practices are followed throughout all stages of development and deployment.
• Troubleshoot and resolve issues in development, test, and production environments.
• Collaborate with software engineers, QA analysts, and product teams to deliver high-quality solutions.
• Stay current with industry trends and best practices in Java development and DevOps.

Mandatory Skills Description:

• 7+ years of overall experience
• Java Development - Strong backend Java skills in Microservices, Spring Boot, Collections, Low Latency, Multithreading, and Concurrency
• Infrastructure & DevOps
• Good Understanding of:
• Deployment processes and how to deploy code to servers
• Server connectivity and management
• Basic system resource management (RAM, CPU allocation)
• Containerization (Kubernetes, Podman)
• Pipeline creation and CI/CD processes
• Experience in AWS/Azure/Google Cloud

Nice-to-Have Skills Description:

• Banking domain experience
• Financial markets background and worked on trading systems