Software Developer - TSB

CertisSingaporeOn-siteFull-timeMid level, 2–5 yearsListed 3 weeks ago

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About this role

About Certis

Life at Certis

Duties & Responsibilities

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.

Skills & Experience

Technical Skills

- Frontend: React, TypeScript/JavaScript, Material UI (MUI) or similar modern UI frameworks.

- Backend: C#, ASP.NET Core, Web API and asynchronous/service-based development.

- Database: PostgreSQL and/or SQL Server; knowledge of Redis.

- Integration & Messaging: REST/JSON APIs, NATS/Kafka/RabbitMQ or equivalent messaging technologies.

- Platform: Docker, Kubernetes, Git and CI/CD pipelines.

- Security: OAuth2, OpenID Connect, equivalent IAM, RBAC and API security.

- Observability: Familiarity with logging, monitoring and tools such as Grafana, Prometheus, ELK/Loki or CloudWatch.

Qualifications & Experience

- Degree or diploma in Computer Science, Software Engineering, Information Technology or a related discipline, or equivalent practical experience.

- 3+ years of professional software development experience for Developer level; stronger independent design and troubleshooting capability is expected for Senior Developer level.

- Hands-on experience developing modern web applications, APIs or distributed enterprise systems.

- Good understanding of software engineering principles, clean code, testing, source control and secure development practices.

- Ability to understand business requirements and translate them into practical technical solutions.

- Good communication, problem-solving and teamwork skills.

Recognition & Reward