Senior CRM Platform Architect (Cloud-Native, Kubernetes)

STARHUB LTD.; Singapore; On-site; SGD 180,000 - 300,000; Full time

Job summary

StarHub is seeking a Principal CRM Engineer to define and evolve the architecture of its core CRM and Order Management platforms powering onboarding, sales journeys, and fulfilment for the Consumer Business. You will shape a scalable, resilient cloud-native solution in a DevOps environment and guide teams toward standardized, reliable systems.

The role focuses on platform modernization, performance, and data integrity across CRM, billing, and provisioning, with emphasis on APIs, orchestration,

Qualifications

• 10+ years of professional software engineering experience with a strong emphasis on system architecture and large-scale distributed systems.
• Experience designing, evolving, and operating enterprise-critical platforms in CRM/OM/BSS or similar domains.
• Deep architectural expertise across microservices, API design, workflow orchestration, and data architecture.

Responsibilities

• Define end-to-end architecture of CRM/OM platforms across Customer Management, Product Catalogue, Campaigns, Order Management, and Revenue/Billing integration.
• Establish architectural principles and standards for microservices, API design, workflow orchestration, and data management across CRM/OM domains.
• Design and optimize workflow orchestration strategies for order lifecycle processes, ensuring scalability and fault tolerance.
• Drive platform scalability and performance improvements by identifying system bottlenecks across APIs, databases, and workflows.
• Define and govern data architecture, ensuring consistency, integrity, and efficient data flow across CRM, provisioning, and billing systems.
• Establish API and integration standards, including versioning, idempotency, and reliability patterns for internal and external system integrations.
• Lead platform modernization initiatives, including migration from legacy CRM systems to cloud-native CRM-based architecture.
• Reduce technical debt and system complexity by driving modularization, decoupling, and standardization across services.
• Define and implement observability and reliability strategies across the platform, ensuring proactive monitoring, alerting, and performance optimization.
• Collaborate with DevOps and platform teams to design scalable cloud-native solutions using Kubernetes (EKS), CI/CD pipelines, and Infrastructure as Code.
• Act as the technical authority for design decisions, conducting architecture reviews and ensuring alignment with enterprise architecture and business objectives.
• Mentor CRM Engineers on system design, architectural thinking, and advanced debugging techniques.
• Influence cross-functional teams and stakeholders to adopt consistent engineering standards and best practices.
• Collaborate with Product Owners, QA, DevOps, and vendors to ensure seamless integration and delivery of end-to-end customer journeys.

Skills

System architecture

Distributed systems

Leadership & mentoring

Stakeholder management

Architectural reviews

Problem solving

Tools

Kubernetes

AWS

Java

Spring Boot

PostgreSQL

Oracle

RESTful APIs

CI/CD

Job description

StarHub is seeking a Principal CRM Engineer to define and evolve the architecture of its core CRM and Order Management platforms powering onboarding, sales journeys, and fulfilment for the Consumer Business. You will shape a scalable, resilient cloud-native solution in a DevOps environment and guide teams toward standardized, reliable systems.

The role focuses on platform modernization, performance, and data integrity across CRM, billing, and provisioning, with emphasis on APIs, orchestration,