Software Engineer, Full Stack (ReactJs/PHP/Hack) (contract role)

Optimum Solutions Pte Ltd; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Optimum Solutions Pte Ltd client in Singapore seeks a Software Engineer (Full Stack) to join its Business Support Engineering team. You will resolve complex issues, enhance features, and build tools and platform improvements.

The role involves full-stack development using PHP/Hack, GraphQL, SQL, Spark, and ReactJS/Bloks, plus collaboration with regional teams in Singapore, the US and Ireland. Contract position ending August 2027 with opportunities to impact product analytics and operational

Qualifications

• 3–5 years of software engineering experience with full-stack development.
• Hands-on PHP/Hack and GraphQL backend experience.
• Foundational SQL/database knowledge.
• Experience with Python, Spark, data pipelines or large-scale data processing.

Responsibilities

• Provide Level 3 technical support by troubleshooting complex issues.
• Develop full-stack enhancements and API improvements to meet partner needs.
• Collaborate with cross-functional teams to define requirements and deliver solutions.
• Build UIs using ReactJS and Bloks.
• Develop data pipelines using SQL and Spark for product analytics.
• Prepare technical design proposals ensuring scalable and maintainable solutions.
• Create automated tools to improve operational efficiency.
• Rotate projects and collaborate with regional teams in Singapore, US, and Ireland.

Skills

Full-stack development

Troubleshooting

Cross-functional collaboration

Problem-solving

Tools

PHP

Hack

GraphQL

SQL

Spark

Python

ReactJS

Bloks

Job description

Our client is a globally recognised technology company looking for a Software Engineer (Full Stack) to join its Business Support Engineering team in Singapore.

The role will support global telecom and mobile operator partners by resolving complex technical issues, enhancing existing product features, and developing tools and platform improvements.

This is a contract ending in August 2027.

Responsibilities

• Provide Level 3 (L3) technical support by troubleshooting, investigating and resolving complex technical issues, bugs and partner-related queries.
• Develop and implement full-stack enhancements, bug fixes and product improvements to address specific partner requirements.
• Collaborate with Technical Leads, Product Managers, Designers and cross-functional engineering teams to define technical requirements and deliver solutions.
• Build and enhance user interfaces using ReactJS and Meta's server-driven UI framework, Bloks.
• Develop and maintain middle-tier APIs to integrate backend systems with complex front-end applications.
• Work with SQL and Spark to build data pipelines, aggregate data and develop dashboards to support product analytics.
• Prepare and communicate technical design proposals, ensuring solutions are scalable, maintainable and aligned with engineering standards.
• Develop automated tools and solutions to improve operational efficiency, streamline support processes and reduce recurring technical issues.
• Participate in project rotations and collaborate with regional engineering teams across Singapore, the US and Ireland.

Requirements

• 3–5 years of software engineering experience, with hands-on experience in full-stack development.
• Practical experience with PHP/Hack and GraphQL, particularly in backend development and API integration.
• Foundational knowledge of SQL and experience working with databases and data handling.
• Experience across the software development lifecycle, including technical design, development, testing, debugging and deployment.
• Strong problem-solving and analytical skills, with the ability to troubleshoot complex technical issues and deliver effective solutions.
• Experience working collaboratively with cross-functional teams and communicating technical concepts effectively.
• Ability to manage multiple priorities and deliver solutions within agreed timelines
• Experience with Python, Spark, data pipelines or large-scale data processing.