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Open nowPosted 6 days ago

Senior Software Developer - PERN & React Native

MyCareersFuture94,028 open roles

Pay
SGD 6,000 – SGD 8,000 a month
Where
Central, Singapore
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Your applicationOpen nowSenior Software Developer - PERN & React NativeMyCareersFuture · Central, Singapore
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This job: posted 6 days ago

The posting

Job Overview

We're looking for a Senior Full-Stack Developer with deep expertise in the PERN stack (PostgreSQL, Express, React, Node.js) and React Native to lead development on our Point-of-Sale (POS) product for the F&B / Food Services sector, spanning web-based cashier terminals, self-service kiosks, and mobile apps.

Key Responsibilities

  • Design, build, and maintain core POS functionality: order taking, table/queue management, kitchen display integration, and payment processing
  • Architect and optimize PostgreSQL schemas for high-transaction, multi-outlet/multi-brand environments
  • Build responsive React front-ends (web/terminal) and React Native apps (kiosk/mobile), sharing business logic and UX patterns across platforms where practical
  • Develop and maintain RESTful APIs using Node.js/Express
  • Integrate payment gateways (NETS, PayNow, card terminals), hardware peripherals (printers, scanners, cash drawers), GTM and third-party delivery platforms
  • Ensure system reliability for the applications and offline-first/intermittent-connectivity scenarios
  • Translate business/product requirements into technical specs, and propose improvements to development quality and performance (libraries, design patterns, reusable components)
  • Conduct code reviews, write documentation, and mentor junior/mid-level developers
  • Own deployment pipelines and cloud infrastructure (Azure preferred)
  • Build and maintain cross-platform mobile/kiosk applications using React Native, covering self-service ordering kiosks and mobile apps for staff/customers

Requirements

  • At least 3 years in full-stack development, PERN stack; hands-on React Native experience for mobile/kiosk apps
  • Proven experience building or maintaining POS, retail, or F&B management systems
  • Strong critical thinking to understand business workflows (order flow, inventory, payments, reporting) and edge cases to translate them into solutions that deliver real business value
  • Strong PostgreSQL skills: schema design, query optimization, transactions, data integrity at scale
  • RESTful API design and auth/authorization patterns (JWT, OAuth)
  • Experience with real-time data sync (WebSockets or similar) for live order/kitchen displays
  • Familiarity with payment gateway integrations and cloud deployment/CI-CD (Azure, AWS, or GCP)
  • Offline-capable architecture experience (local caching, sync-on-reconnect) recommended
  • Strong communication skills to translate business needs into technical solutions
  • Exposure to ERP, HRMS, CRM, Inventory, or Project Management systems is a bonus
  • Bachelor's in Computer Science, Engineering, or equivalent practical experience preferred - candidates without formal education in these fields are welcome to apply

What We Offer

  • Opportunity to lead full product development and make a direct impact.
  • Career growth with leadership opportunities.
  • Competitive salary and benefits package.
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