Freelance Full-Stack Developer

21 hours ago

Karachi, Sindh, Pakistan Q-Solutions Full time 1,200,000 - 3,600,000 per year

We are seeking a highly motivated and experienced
Freelance Full-Stack Developer
to build and enhance scalable, high-performance web applications. This is an exciting opportunity for an autonomous professional who excels at owning both the client-side and server-side logic from conception to deployment.

What We're Looking For (The Freelance Fit)

We need a partner, not just a contractor. The ideal candidate is:

Autonomous & Reliable:
Proven ability to manage time, set priorities, and meet deadlines without extensive supervision.

A Clear Communicator:
Excellent at translating technical concepts to non-technical stakeholders and providing proactive status updates.

Project Owner:
Capable of taking full ownership of feature development across the entire stack.

Key Full-Stack Responsibilities:

Front-End )

  • Develop modern, responsive, and reusable UI components using
  • Implement pixel-perfect designs and ensure cross-browser compatibility.
  • Optimize front-end applications for maximum speed, scalability, and performance (e.g., using techniques like lazy loading and code splitting).
  • Utilize advanced features of (e.g., SSR/SSG, API routes) where required for performance or SEO.

Back-End (NestJS)

  • Design, develop, and maintain robust, scalable, and secure
    RESTful
    or
    GraphQL APIs
    using
    NestJS
  • Implement business logic, security protocols, and data protection measures on the server-side.
  • Manage complex relational data structures within
    MySQL
    and
    PostgreSQL
    databases.
  • Develop data access layers, entities, and migrations using
    TypeORM or Prisma
  • Integrate third-party services and manage data flow between the front-end and back-end services.
  • Work with database systems (SQL/NoSQL) and implement efficient query optimization.

Full-Stack & DevOps:

  • Collaborate with product managers and designers on technical specifications and feature feasibility.
  • Handle testing, debugging, and continuous integration/continuous deployment (CI/CD) practices.
  • Ensure application stability and maintain clean, well-documented, and modular code.

Requirements:

Technical Expertise:

  • 4+ years of professional experience in full-stack web development.
  • Strong expertise in and the modern JavaScript/TypeScript ecosystem.
  • Proven experience developing robust APIs with NestJS (or a similar framework like Express).
  • Experience with advanced state management (e.g., Redux Toolkit, Zustand, Context API).
  • Solid understanding of relational and non-relational databases (SQL/NoSQL).
  • Familiarity with version control systems, particularly Git.
  • Mandatory experience
    with at least one relational database:
    MySQL
    or
    PostgreSQL
    .
  • Demonstrated experience using an ORM/Query Builder like
    TypeORM
    or
    Prisma
    for data modeling and migrations.
  • Understanding of web security best practices (e.g., preventing XSS, CSRF, and SQL Injection).

Preferred Qualifications (Bonus Points):

  • Experience with cloud platforms (AWS, Azure, or GCP) and deployment/hosting.
  • Familiarity with containerization tools like Docker.
  • Experience implementing CI/CD pipelines for automated testing and deployment.

Freelance & Soft Skills:

  • Demonstrated ability to work independently and manage project timelines effectively.
  • Excellent communication skills for interacting with both technical and non-technical stakeholders.
  • A strong portfolio or body of work demonstrating full-stack project ownership

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