Software Developer - TSB

CERTIS CISCO MANPOWER PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Certis Cisco Manpower Pte. Ltd. is seeking a Platform Software Developer to design, build and maintain our Security enterprise platform.

The role covers full-stack development across web applications, microservices and APIs, with a focus on secure, scalable and maintainable software. You will work with React/TypeScript, ASP.NET Core/C#, REST APIs, and modern messaging systems, contributing to deployments on Docker and Kubernetes in cloud and on‑prem environments.

Responsibilities

• Develop and maintain web applications and microservices using React/TypeScript and ASP.NET Core/C#.
• Build REST APIs, backend services, real-time features and event-driven integrations.
• Develop reusable capabilities across services and modules, ensuring consistency, scalability, and maintainability across the platform.
• Work with PostgreSQL/SQL Server, Redis and messaging technologies such as NATS, Kafka or RabbitMQ.
• Implement authentication and authorization using OAuth2/OIDC, RBAC and secure coding practices.
• Support Docker and Kubernetes-based deployments across cloud and on‑premises environments.
• Write clean, testable and maintainable code, including appropriate unit and integration tests.
• Troubleshoot application, integration, database, messaging and deployment issues.
• Participate in requirement refinement, technical design, code review, testing and release activities.
• Work closely with architects, product owners, QA, DevOps and project teams to deliver features from requirement through release.
• Maintain relevant API, configuration and technical documentation.

Job description

Role Summary

The Platform Software Developer is responsible for developing, enhancing and supporting Certis’ Security enterprise platform. The role involves full-stack development across web applications, microservices, APIs, real-time messaging, integrations and data services, with a strong focus on secure, scalable and maintainable software.

Responsibilities

• Develop and maintain web applications and microservices using React/TypeScript and ASP.NET Core/C#.
• Build REST APIs, backend services, real-time features and event-driven integrations.
• Develop reusable capabilities across services and modules, ensuring consistency, scalability, and maintainability across the platform.
• Work with PostgreSQL/SQL Server, Redis and messaging technologies such as NATS, Kafka or RabbitMQ.
• Implement authentication and authorization using OAuth2/OIDC, RBAC and secure coding practices.
• Support Docker and Kubernetes-based deployments across cloud and on-premises environments.
• Write clean, testable and maintainable code, including appropriate unit and integration tests.
• Troubleshoot application, integration, database, messaging and deployment issues.
• Participate in requirement refinement, technical design, code review, testing and release activities.
• Work closely with architects, product owners, QA, DevOps and project teams to deliver features from requirement through release.
• Maintain relevant API, configuration and technical documentation.