Software Engineer (Full Stack)

Optimum Solutions Pte Ltd; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Optimum Solutions Pte Ltd in Singapore seeks an experienced backend/integration engineer to connect enterprise systems across training platforms, analytics, and workflow solutions.

You will design and implement APIs, middleware, and connectors, and help modernise legacy apps toward cloud-enabled architectures while ensuring security and governance across the stack. Collaboration with stakeholders and thorough technical documentation are essential.

Qualifications

• Experience with backend development in at least one listed language.
• Experience designing and integrating APIs.
• Experience with relational and NoSQL databases.
• Familiarity with cloud platforms and DevOps practices.
• Knowledge of security and identity management; enterprise patterns.

Responsibilities

• Integrate enterprise systems across training, analytics, and workflow platforms.
• Design, develop and maintain APIs and connectors for interoperability.
• Build full-stack applications across web UI, backend services and databases.
• Modernise legacy applications toward cloud-enabled architectures.
• Support onboarding, deployment, and sustainment in enterprise cloud environments.
• Design and implement authentication, access control, security and governance.
• Sustain applications via troubleshooting, performance tuning and enhancements.
• Prepare architecture artefacts and integration guides.
• Onboard and integrate externally developed products into ecosystems.
• Collaborate with stakeholders to translate requirements into scalable tech solutions.

Skills

Backend development

API design

Databases

Cloud computing

DevOps practices

Tools

Docker

Kubernetes

OpenAPI

REST

GraphQL

Job description

• Integrating enterprise systems across training management platforms, business applications, analytics systems and workflow solutions.
• Designing, developing and maintaining APIs, middleware services, connectors and other mechanisms that enable system interoperability.
• Developing and integrating full-stack applications across web interfaces, backend services, databases and enterprise platforms.
• Modernising existing applications and migrating legacy systems towards service-oriented and cloud-enabled architectures.
• Supporting the onboarding, deployment, operationalisation and ongoing sustainment of applications within enterprise cloud environments.
• Designing and implementing authentication, access control, security and governance requirements.
• Sustaining operational applications through troubleshooting, performance optimisation and system enhancements.
• Preparing technical documentation, architecture artefacts, integration specifications and implementation guides.
• Supporting the onboarding and integration of externally developed products into existing enterprise ecosystems.
• Working closely with stakeholders to translate operational requirements into scalable technical solutions.

Requirement

• Backend development using .NET, Java, Spring Boot, Node.js or Python.
• API design and integration using REST, GraphQL or OpenAPI.
• Databases and data integration involving SQL Server, PostgreSQL, MySQL or MongoDB.
• Cloud technologies and DevOps practices.
• Containerisation and orchestration using Docker and Kubernetes.
• CI/CD pipelines, automated testing and established software-engineering best practices.
• Identity and access management, security implementation and enterprise integration patterns.