Application Engineer (Site Reliability)

U3 PROJECTS PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

U3 PROJECTS PTE. LTD. is seeking a Site Reliability Engineer to provide SRE and production support for the Ona platform within our Developer platforms.

You will monitor systems, troubleshoot incidents, and perform root-cause analyses to improve reliability and performance. The role requires strong programming skills (JavaScript/Java/Python/.NET), extensive AWS experience, and hands-on work with Docker, Kubernetes, Terraform, and CI/CD tooling.

Qualifications

• Minimum 5 years of software engineering experience with proficiency in at least one programming language (JavaScript, Java, Python, or .NET).
• Minimum 2 years of hands-on experience in SRE or production support environment.
• Minimum 3 years of AWS experience and solid cloud infrastructure knowledge.
• Minimum 3 years of containerization experience (Docker, Kubernetes, EKS, Helm).

Responsibilities

• Provide SRE and production support for the Ona platform.
• Monitor platforms, troubleshoot incidents, perform root-cause analysis and implement reliability improvements.
• Automate operations, maintain runbooks, and participate in on-call rotations when required.

Skills

JavaScript

Java

Python

.NET

SRE

AWS

Docker

Kubernetes

Terraform

CloudFormation

CI/CD

GitHub Actions

Splunk

CloudWatch

Datadog

Shell scripting

Linux

Incident management

Tools

JFrog

Job description

Summary:

• The successful candidate will provide Site Reliability Engineering (SRE) and production support for the Ona platform within Developer platforms.
• Responsibilities include platform monitoring, incident troubleshooting and resolution, root-cause analysis, service reliability improvements, operational automation, runbook maintenance, and on-call support where required.
• The role will help maintain platform availability, stability, and performance while reducing manual operational effort.

Skillset Requirements.

• Minimum 5 years of strong software engineering experience with proficiency in at least one programming language, i.e. JavaScript, Java, Python, or .NET.
• Minimum 2 years of hands‑on experience supporting the reliability and availability of production systems in an SRE or production support environment.
• Minimum 3 years of AWS experience with a solid understanding of cloud services and infrastructure management (AWS certifications are advantageous).
• Minimum 3 years of experience with containerization technologies such as Docker, Kubernetes, EKS, and Helm (relevant certifications are advantageous).
• Proven experience with infrastructure as code tools such as Terraform and CloudFormation.
• Proficiency with CI/CD workflows and GitHub Actions.
• Knowledge of artifact repository management systems such as JFrog.
• Strong Linux administration skills and Shell scripting expertise.
• Experience with log aggregation and observability tools such as CloudWatch, Splunk, and Datadog.
• Working knowledge of service monitoring, alert management, SLIs/SLOs, incident response, root-cause analysis, and post-incident follow-up.
• Experience in diagnosing and resolving complex system issues across multiple technology layers.
• Able to troubleshoot production incidents, coordinate timely resolution, and communicate status clearly to technical and business stakeholders.
• Experience in automating repetitive operational tasks, improving runbooks, and reducing manual support effort.
• Willingness to participate in an on-call support rotation for critical production services, where required.
• Able to optimize developer workflows and enhance developer experience.
• Passion for advocating and implementing best practices in Software Engineering, SRE, and DevOps.
• Excellent communication skills to work effectively with diverse engineering teams.
• Strong team-player mindset, focused on leveraging experience to help the team succeed.
• Possess positive learning and collaborative mindset.
• Strong analytical, problem‑solving and troubleshooting skills.
• Good written and verbal communication skills.
• Agile, fast learner and able to adapt to changes.

SKILLS: SRE, Production support, Terraform, CloudFormation, AWS, Kubernetes, Docker, CI/CD, Python, Java, JavaScript or.NET, Splunk, CloudWatch, Datadog