CRM Engineer

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

Role Mission:

The CRM Engineer designs, builds, and operates StarHub’s core Customer Relationship Management (CRM) and Order Management (OM) platforms that power customer onboarding, sales journeys, and fulfilment for the Consumer Business. The role focuses on delivering scalable, resilient, and high‑performance platforms that enable rapid product launches and seamless end‑to‑end customer experiences. Operating within a DevOps model, the engineer ensures production reliability through automation, observability, and continuous delivery, driving the modernization of CRM/OM capabilities on cloud‑native platforms and supporting operational excellence.

Responsibilities:

• Design and develop backend services supporting Customer Management, Product Catalogue, Campaigns, Order Management (OM), and Revenue/Billing integration




• Developand 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 andoptimizecomplex SQL (PostgreSQL/Oracle) 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 andmaintainservices 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 CloudWatchensuringplatform 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 ProductOwners, QA,DevOps, andexternal vendors

Qualifications:

• Bachelor’s degree in computer science, software engineering, or related field.




• Minimum4+ yearsofexperience insoftwareengineeringpreferably inCRM, BSS, or enterprise platforms




• ProficiencywithJava, Spring Boot,REST API development, microservices and distributed systemsarchitecture




• SQLexpertiseinPostgreSQLand/orOracleincludingperformance tuning anddatabaseadministration




• Working experience withKubernetes and cloud environments, preferablyAWS




• Proven experience working in Agile/Scrum teamsideallywithintelecom BSS/OSSdomains such ase.g.CRM, billing, order management




• Experience withworkflow-driven systemsandorchestration engines

Preferred Certifications

• Certified Kubernetes Administrator (CKA) or Certified Kubernetes Application Developer (CKAD)




• AWS Certified Solutions Architect (Associate or Professional)