Principal Full Stack Developer

At Dubizzle Labs, we are expanding our Pakistan engineering office of 500+ talented individuals. We are looking for colleagues who love to learn, perform, and teach. Our goal is to build a high-quality engineering culture with a strong focus on delivering value to customers.
As a Principal Full Stack Developer, your primary responsibility is to design, build, and maintain high-performing products and platform features that support the hyper-growth of our businesses across 10 countries.

Job Responsibilities

• Design, develop, and maintain full-stack applications across multiple products
• Build scalable, secure, and reusable components and modules
• Develop and integrate RESTful APIs and microservices
• Optimize applications for speed, performance, and responsiveness
• Troubleshoot, debug, and upgrade existing applications
• Collaborate closely with Product, UI/UX, QA, and DevOps teams to deliver high-quality features
• Write clean, modular, and testable code following best software development practices
• Design and maintain databases, schemas, migrations, and query optimizations
• Participate in code reviews and help maintain engineering standards
• Ensure cross-platform and cross-browser compatibility
• Deploy and manage applications in cloud environments, preferably AWS
• Stay updated with emerging technologies and propose improvements to the stack

Job Requirements
The Must-haves:

• 7+ years of hands-on software development experience, including 3+ years in a principal, architect, or technical leadership role.
• Proficiency in one or more backend frameworks: Laravel, Node.js, python preferred
• Experience with front-end frameworks: mostly React.js, Next.js
• Strong experience with SQL databases: MySQL, PostgreSQL
• Solid understanding of JavaScript, HTML, CSS
• Experience in building and integrating REST APIs
• Familiarity with Git, CI/CD pipelines, and version control best practices
• Strong understanding of web security, authentication, session management
• Ability to write unit and integration tests for backend and frontend

The Nice-to-haves:

• Familiarity with Multi-page and single-page architectures.
• Familiarity with Redis, queues, or caching mechanisms.
• Experience optimizing web applications for performance and scale.
• Strong communication skills with the ability to speak and write clear, professional English.

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