Full-Stack Developer

4 days ago

Islamabad, Islamabad, Pakistan HA-Technologies Full time $60,000 - $120,000 per year

Job Summary

We are looking for a highly capable Full-Stack Developer who excels in both web and mobile application development. You'll be responsible for building dynamic user interfaces, robust back-end systems, and scalable mobile apps. The ideal candidate is a proactive problem-solver, familiar with modern frameworks, cloud platforms, and ongoing app maintenance—including performance tuning and integration of third-party services.

Key Responsibilities

Web Development

  • Frontend: Build responsive and modern UIs using , , and
  • Backend: Develop secure and scalable APIs and application logic with , Python (Django/Flask), and PHP (Laravel)
  • Database Management: Work with MySQL, MongoDB, and Firebase to structure and query application data efficiently
  • CMS Customization: Deploy and manage websites using WordPress and Webflow, especially for quick client deliveries
  • Hosting & DevOps: Configure and deploy on cloud platforms including AWS, GCP, and Azure

Mobile App Development

  • Build native applications for iOS (Swift/SwiftUI, Objective-C) and Android (Kotlin, Java)
  • Develop cross-platform apps with Flutter and React Native for faster, cost-effective solutions
  • Handle full app publishing cycle, including App Store and Google Play compliance

Maintenance & Ongoing Work

  • Identify and resolve bugs, apply security patches, and ensure uptime
  • Integrate third-party APIs (payment gateways, logistics services, CRMs, WhatsApp APIs, etc.)
  • Keep platforms up-to-date with changes in Shopify, Amazon, iOS, and Android OS requirements
  • Optimize site speed with focus on Core Web Vitals for SEO and better user experience

Required Skills & Qualifications

  • Proven experience in full-stack development (3+ years preferred)
  • Strong proficiency in , , and at least one mobile platform (native or cross-platform)
  • Good understanding of RESTful APIs and integration methods
  • Experience with cloud platforms and CI/CD pipelines
  • Solid understanding of web security, cross-browser compatibility, and performance optimization
  • Familiar with version control (Git) and agile workflow

Nice to Have

  • Familiarity with Shopify or eCommerce backends
  • Experience with third-party integrations (e.g., Twilio, Stripe, SendGrid)
  • Understanding of SEO, analytics tools, and A/B testing
  • UI/UX knowledge or ability to collaborate closely with designers

Job Type: Full-time

Application Question(s):

  • Frontend Development

Can you describe a project where you used or What were the challenges, and how did you handle state management?

  • How do you ensure cross-browser compatibility and responsive design?
  • Backend Development

Have you built APIs using , Python (Django/Flask), or Laravel? Which do you prefer and why?

How do you handle user authentication and authorization in your applications?

  • Database

When would you choose MongoDB over MySQL (or vice versa)?

How do you structure data relationships in Firebase for scalability?

  • Mobile App Development

Which mobile development framework are you most comfortable with: Flutter, React Native, or native iOS/Android? Why?

Have you published apps to the App Store or Google Play? What steps do you follow to meet compliance?

  • DevOps & Cloud

What experience do you have deploying apps on AWS, Google Cloud, or Azure?

Can you explain your typical CI/CD setup?

  • CMS and Rapid Development

Have you customized or built themes/plugins in WordPress or used Webflow for client projects?

What's your approach when a client needs a fast website with limited budget?

Work Location: In person

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