The Job

Senior Developer (Node.js, React, PWA, MongoDB)

Technology, Data & Digital · Software & Web Development · Software Engineering · Web Development

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In short

Emerson is seeking a Senior Application Developer with full-stack expertise in Node.js and React to lead the design and delivery of enterprise web applications. This role involves architecting scalable backend services, developing Progressive Web App experiences, and making data architecture decisions using MongoDB, while also mentoring junior developers and driving code quality. The position is based in Mandaluyong City, Philippines, with a hybrid work model.

Responsibilities

  • Lead the design and delivery of complex full-stack features, from data model and API contract design through React PWA front-end implementation and production deployment.
  • Architect and build scalable Node.js backend services and RESTful APIs using Express.js or NestJS.
  • Lead PWA architecture decisions, including service worker strategy, offline-first caching design, and push notification infrastructure.
  • Design MongoDB data models and aggregation strategies, enforcing NoSQL data modeling best practices.
  • Deliver mobile-friendly React front-end interfaces with responsive layouts and optimized performance.
  • Drive code quality across the team, set standards, lead code reviews, and resolve technical debt.
  • Mentor and support mid-level and junior developers through code reviews and technical guidance.
  • Conduct root cause analysis on complex production incidents and lead performance profiling and optimization.
  • Contribute to technical roadmap discussions and provide engineering input on feasibility and risk.
  • Participate in Agile ceremonies and support delivery of team commitments.

Requirements

  • Bachelor's degree in Computer Science, Software Engineering, or a related field.
  • 8+ years of full-stack web development experience with demonstrated depth in Node.js backend and React frontend delivery.
  • Expert-level proficiency in building and operating production Node.js services with Express.js or NestJS, including RESTful API design, middleware architecture, authentication (JWT/OAuth2), performance tuning, and service reliability.
  • Deep expertise in React development, including component architecture, hooks, state management (Redux or Context API), code splitting, performance optimization, and delivering consistent experiences across device sizes.
  • Proven experience architecting and shipping Progressive Web Applications (PWA) solutions, including service worker lifecycle management, offline-first caching strategies (Cache API, Workbox), web app manifest, push notifications, and installability.
  • Proven experience delivering web applications optimized for mobile and tablet, responsive and touch-optimized design, mobile performance profiling, Core Web Vitals, and cross-device testing.
  • Strong hands-on experience with MongoDB, including document and collection design, aggregation pipelines, indexing strategies, performance optimization, and data model design.
  • Expertise in designing, documenting, and governing REST APIs, including authentication patterns, versioning, contract design, and integration with third-party enterprise services.
  • Solid familiarity with Git branching strategies, Azure DevOps or similar CI/CD pipelines, and sprint-based delivery; strong English communication skills.

Desired Qualifications

  • Experience with advanced Workbox strategies, such as background sync, periodic background fetch, and complex multi-layer caching architectures.
  • Familiarity with Web Push API and push notification infrastructure (FCM, VAPID keys).
  • Experience with GraphQL or WebSocket-based real-time application patterns.
  • Knowledge of microservices architecture, including service decomposition, inter-service communication, and API gateway patterns.
  • Experience with automated testing at scale such as Jest, Cypress, Playwright, PWA-specific offline and installability testing.
  • Familiarity with Docker and containerized deployment pipelines, and Azure DevOps CI/CD experience.
  • Exposure to cloud platforms preferably Microsoft Azure, for application hosting, monitoring, and deployment.

Benefits

  • Competitive benefits plans
  • Variety of medical insurance plans
  • Employee Assistance Program
  • Employee resource groups
  • Recognition programs
  • Flexible time off plans
  • Paid parental leave (maternal and paternal)
  • Vacation leave
  • Holiday leave
#Application Developer#Full-Stack#Node.js#React#PWA#MongoDB#REST API#Agile#Web Development
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Company

Emerson

Job Posted

1 month ago

Employment Type

Full Time

WorkMode

Hybrid

Experience Level

Senior

Locations

Mandaluyong, Philippines

Qualification

Bachelor

Applicants

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