Staff Developer (, React, PWA)

If you are an Application Developer with strong backend and React frontend skills this role offers the opportunity to build and maintain mobile-friendly Progressive Web Applications (PWA) that power custom enterprise tools for Emersons Lifecycle Services business. You will design -based REST API services deliver React front-end interfaces optimized for mobile and desktop users and build offline-capable PWA experiences backed by MongoDB enabling field teams and business users to access critical applications from any device anywhere.

If this sounds like a perfect fit for you apply now and join our team in Mandaluyong City Philippines!

In This Role Your Responsibilities Will Be:

• Build and maintain full-stack web applications using (frontend) and with or NestJS (backend) delivering mobile-friendly experiences for Emersons custom enterprise tools.
• Implement Progressive Web App (PWA) capabilities including service workers web app manifests offline-first caching strategies push notifications and installability ensuring reliable performance across devices and network conditions.
• Build and maintain RESTful APIs in that serve both web and mobile-optimized clients design endpoints with mobile payload efficiency and performance in mind.
• Design and maintain MongoDB collections schemas and queries supporting custom application data models while applying NoSQL data modeling best practices.
• Build reusable React components with state management (Redux or Context API) responsive layouts and touch-friendly interactions suited for mobile and tablet users.
• Integrate frontend applications with REST APIs and third-party enterprise services including API authentication error states and offline fallback.
• Apply the full SDLC across the Mobile Apps Program area including design development testing deployment and production support.
• Debug and troubleshoot issues across MongoDB and React/PWA layers identify root causes and implement durable fixes.
• Participate actively in code reviews and Agile ceremonies and collaborate with Product Owners System Analysts and QA to deliver high-quality solutions on time.

Who You Are:

You readily take on new challenges and display a can-do attitude in good and difficult times. You act with a clear sense of ownership and take personal responsibility for decisions actions and failures. You effectively communicate in various settings and provide timely helpful information to individuals across the organization. You partner with others to get work done and create teamwork that allows the organization to achieve shared objectives. You are curious and eager to learn and you seek feedback grow from it and continuously improve your craft.

For This Role You Will Need:

• Bachelors degree in Computer Science Software Engineering or a related field.
• 35 years of experience in full-stack web development with hands-on delivery in and React.
• Solid experience building REST API services with using or NestJS including routing middleware authentication (JWT/OAuth2) and API versioning.
• Strong proficiency in React including component design hooks state management (Redux or Context API) and building responsive mobile-optimized interfaces with modern JavaScript (ES6).
• Hands-on experience implementing PWA features: service workers web app manifest offline caching strategies (Cache API Workbox) push notifications and app installability.
• Experience designing and delivering web applications that perform well on mobile and tablet devices such as touch interactions responsive layouts performance optimization for mobile networks and testing across device sizes.
• Working experience with MongoDB including document design CRUD operations indexing and aggregation pipelines.
• Experience building and consuming REST APIs understanding of HTTP methods JSON payloads authentication patterns and error handling.
• Familiarity with Git Azure DevOps or similar CI/CD tools and sprint-based delivery with strong English communication skills.

Preferred Qualifications that Set You Apart

• Experience with Workbox or similar PWA tooling for advanced service worker and caching strategies.
• Familiarity with Web Push API and push notification infrastructure (FCM VAPID).
• Experience with GraphQL or WebSocket-based real-time features.
• Knowledge of mobile web performance optimization: lazy loading code splitting Core Web Vitals.
• Familiarity with Docker Azure DevOps CI/CD pipelines and automated testing (Jest Cypress or Playwright).
• Experience working in international cross-time zone Agile delivery teams.

Our Culture & Commitment to You:

At Emerson we prioritize a workplace where every employee is valued respected and empowered to grow. We foster an environment that encourages innovation collaboration and diverse perspectivesbecause we know that great ideas come from great teams. Our commitment to ongoing career development and growing an inclusive culture ensures you have the support to thrive. Whether through mentorship training or leadership opportunities we invest in your success so you can make a lasting impact. We believe diverse teams working together are key to driving growth and delivering business results.

We recognize the importance of employee wellbeing. We prioritize providing competitive benefits plans a variety of medical insurance plans Employee Assistance Program employee resource groups recognition and much more. Our culture offers flexible time off plans including paid parental leave (maternal and paternal) vacation and holiday leave.

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