Sufyan

Full Stack Engineer

Fiverr • Freelance

Mar 2022 - Present • 4 yrs 7 mos

Working as a Full Stack Engineer on Fiverr, I deliver end-to-end web solutions for clients across various industries. I specialize in building modern, scalable applications from scratch—handling everything from frontend design to backend logic and database architecture. I’ve developed responsive and high-performance user interfaces, built secure APIs, and managed databases to ensure smooth and reliable systems. Alongside traditional development, I also work with AI-based solutions, including LLM integrations and RAG systems to create intelligent, data-driven applications. I actively implement CI/CD pipelines and DevOps practices to ensure fast, reliable deployments and maintain high code quality. My focus is always on clean code, performance optimization, and delivering solutions that actually solve real business problems.

Senior Software Engineer

Pakistan Engineering Council • Temps plein

Aug 2022 - Mar 2025 • 2 yrs 7 mos

At Pakistan Engineering Council, I led the design and development of scalable, high-performance web applications with a strong focus on frontend architecture and user experience. I worked extensively across the full stack, building robust backend services and managing databases to ensure reliability, efficiency, and data integrity. My role also involved developing and integrating AI-driven solutions, including Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) systems to enhance data processing and intelligent automation. I implemented and maintained CI/CD pipelines to streamline deployments, improve code quality, and accelerate delivery cycles. Collaborating with cross-functional teams, I contributed to system design decisions, optimized application performance, and ensured best practices in DevOps, security, and scalability were consistently followed.

Software Engineer

Active House Technologies • Temps plein

Mar 2018 - Aug 2022 • 4 yrs 5 mos

I worked as an Software Engineer where I was involved in both front-end and back-end development of web applications. On the front end, I built responsive and user-friendly interfaces using HTML, CSS, JavaScript, and frameworks like React, Angular, and Vue.js. On the back end, I worked with technologies like Node.js, Express, PHP (including Laravel and CakePHP), and Python (FastAPI) to handle application logic and API development. I also integrated front-end with backend services to ensure smooth functionality. I worked with databases such as MySQL, PostgreSQL, and other relational databases to store and manage data efficiently. I was also involved in deployment, debugging, and maintaining applications. During this time, I collaborated with team members, fixed issues, and improved performance to deliver better user experience. This role gave me solid hands-on experience in full-stack development, including frontend, backend, databases, Git, and deployment.