CRM Platform Engineer - Cloud-Native & DevOps

StarHub Ltd; Singapore; On-site; SGD 110,000 - 170,000; Full time

Job summary

StarHub Ltd. seeks a CRM Engineer to design, build and operate core CRM/OM platforms powering onboarding, sales journeys and fulfilment for Consumer Business. You will deliver scalable, cloud-native services with automation, observability and continuous delivery in a DevOps setup.

You will implement secure REST APIs, optimize SQL for high‑volume orders and collaborate across Product Owners, QA, DevOps and external vendors to ensure reliable, end-to-end customer experiences.

Qualifications

• Bachelor’s degree in computer science, software engineering, or related field.
• Minimum 4+ years of experience in software engineering, preferably CRM/BSS/enterprise platforms.
• Proficiency with Java, Spring Boot, REST API development, microservices and distributed systems architecture.
• SQL expertise in PostgreSQL and/or Oracle including performance tuning and database administration.
• Working experience with Kubernetes and cloud environments, preferably AWS.
• Proven experience in Agile/Scrum teams, ideally within telecom BSS/OSS domains such as CRM, billing, order management.
• Experience with workflow-driven systems and/or orchestration engines.

Responsibilities

• Design and develop backend services supporting Customer Management, Product Catalogue, Campaigns, Order Management (OM), and Revenue/Billing integration.
• Develop and enhance workflow-driven processes for end-to-end order lifecycle orchestration (e.g., validation, provisioning, billing setup).
• Build secure, scalable REST APIs for integration with billing, provisioning/OSS systems, digital channels, and external partners.
• Ensure API contract stability, versioning, and backward compatibility.
• Write and optimize complex SQL to support high-volume transactions and ensure data consistency across order and billing flows.
• Participate in on-call rotations and incident response, perform root cause analysis, and implement fixes.
• Operate and maintain services on Kubernetes (EKS), including deployment, scaling, and troubleshooting.
• Contribute to CI/CD pipelines and support automated releases.
• Implement monitoring and alerting using tools such as Splunk, Prometheus, Grafana, and CloudWatch ensuring platform availability and performance.
• Produce technical design documentation and integration specifications.
• Participate in code reviews and drive continuous improvement in engineering practices.
• Collaborate with cross-functional teams including Product Owners, QA, DevOps, and external vendors.

Skills

Java

Spring Boot

REST APIs

Microservices

SQL

Kubernetes

AWS

Agile/Scrum

CRM/BSS/OSS

Education

Bachelor's degree

Tools

Kubernetes

AWS

PostgreSQL

Oracle

Job description

StarHub Ltd. seeks a CRM Engineer to design, build and operate core CRM/OM platforms powering onboarding, sales journeys and fulfilment for Consumer Business. You will deliver scalable, cloud-native services with automation, observability and continuous delivery in a DevOps setup.

You will implement secure REST APIs, optimize SQL for high‑volume orders and collaborate across Product Owners, QA, DevOps and external vendors to ensure reliable, end-to-end customer experiences.