Senior Full-Stack Software Engineer (Childcare SaaS… at D2B · Ho Chi…

Position: SENIOR FULL-STACK SOFTWARE ENGINEER (CHILDCARE SAAS PLATFORM)

Salary range: up to Php 120,000/month / VND 51,000,000/month (The final amount will be at the the client discretion basing on the candidate’s skills and experience.)

Working Hours: Australia Business Hours (Monday–Friday 8am-5pm AEST ; 6am-3pm Philippine time)

Work set-up: 100% Remote work under Independent Contractor Agreement

Holidays: AU holidays

Recruitment process: possible multiple client interviews and an assessment

About the Company & Opportunity

We are a well-established technology company that develops enterprise SaaS solutions for the early childhood education and care sector. For more than two decades, our platform has helped childcare providers manage their day-to-day operations through secure, scalable software that supports enrolments, billing, compliance, reporting, and family engagement. As our platform continues to evolve, we are looking for a Senior Full-Stack Software Engineer who is passionate about solving complex technical challenges and building high-quality software that delivers real business impact. This role offers the opportunity to work across the full software development lifecycle, contributing to large-scale applications, modernising existing systems, and collaborating with experienced engineers to shape the future of a mission-critical platform. If you enjoy taking ownership, solving problems from the ground up, and working on products used every day by thousands of users, we'd love to hear from you.

Key Responsibilities

• Design, develop, test, deploy, and maintain scalable full-stack applications using modern software engineering practices.
• Translate business and user requirements into secure, efficient, and maintainable software solutions.
• Develop backend services using PHP, Laravel, and other object-oriented development frameworks.
• Build intuitive and responsive frontend applications using React, TypeScript, JavaScript, HTML5, CSS, and existing jQuery components where required.
• Design and optimise complex PostgreSQL queries, reports, and high-volume data processing operations.
• Develop and maintain features involving payment processing, billing workflows, reporting, and third-party system integrations.
• Troubleshoot and resolve production issues across application code, databases, and Linux environments.
• Participate in code reviews and contribute to engineering standards, software architecture, and continuous improvement initiatives.
• Collaborate closely with cross-functional teams to deliver reliable, scalable, and high-performing software solutions.
• Support ongoing platform enhancements while ensuring system stability, security, and performance.

What You'll Enjoy

• Work on a mature, large-scale SaaS platform with real-world technical complexity.
• Solve meaningful engineering challenges involving high-volume data, integrations, and business-critical workflows.
• Collaborate with experienced software engineers, product specialists, and technical leaders.
• Influence technical decisions, architecture, and long-term product direction.
• Enjoy a high level of ownership and autonomy while contributing to software that supports thousands of users every day.
• Grow your technical expertise through continuous learning and exposure to modern development practices.

Required Qualifications

• Minimum 5 years of professional experience in full-stack software development.
• Strong commercial experience with PHP and frameworks such as Laravel or Symfony.
• Advanced proficiency in PostgreSQL, SQL optimisation, and relational database design.
• Experience building modern web applications using React and TypeScript.
• Strong knowledge of JavaScript, HTML5, CSS, and jQuery.
• Solid understanding of object-oriented programming, software architecture, and design patterns.
• Practical experience applying software engineering principles such as SOLID, DRY, KISS, and YAGNI.
• Experience working in Linux environments, including server troubleshooting and log analysis.
• Familiarity with Windows development environments.
• Experience developing or supporting applications involving financial transactions, billing systems, or payment gateways.
• Strong analytical, debugging, and problem-solving skills.
• Excellent communication skills with the ability to work independently and collaboratively within distributed teams.

Preferred Qualifications

• Experience working on enterprise SaaS platforms serving multiple customers or organisations.
• Background in education technology, healthcare, finance, or other highly regulated industries.
• Experience integrating with external APIs or government systems.
• Exposure to cloud platforms such as AWS or similar cloud infrastructure.
• Experience modernising large legacy applications while maintaining platform stability.
• Familiarity with CI/CD pipelines, automated testing, and Agile software development practices.