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Hi, I'm Saif Ur Rehman, a Full-Stack Engineer and Technical Lead based in Lahore, Pakistan. I build AI-powered web applications and scalable backend systems, leading teams of engineers to ship reliable software. My work blends strong engineering fundamentals with practical, impact-driven solutions, from AI-assisted document processing to automated invoicing platforms. I'm passionate about designing robust architectures, mentoring teammates, and delivering end-to-end products in cloud environments (AWS, GCP). I enjoy collaborating with cross-functional teams to turn complex problems into clean, scalable software and AI-powered tools.…Hi, I'm Saif Ur Rehman, a Full-Stack Engineer and Technical Lead based in Lahore, Pakistan. I build AI-powered web applications and scalable backend systems, leading teams of engineers to ship reliable software. My work blends strong engineering fundamentals with practical, impact-driven solutions, from AI-assisted document processing to automated invoicing platforms. I'm passionate about designing robust architectures, mentoring teammates, and delivering end-to-end products in cloud environments (AWS, GCP). I enjoy collaborating with cross-functional teams to turn complex problems into clean, scalable software and AI-powered tools.

Saif Ur Rehman

AI Engineer, AI Developer, Web Developer, +3

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Hi, I'm Saif Ur Rehman, a Full-Stack Engineer and Technical Lead based in Lahore, Pakistan. I build AI-powered web applications and scalable backend systems, leading teams of engineers to ship reliable software. My work blends strong engineering fundamentals with practical, impact-driven solutions, from AI-assisted document processing to automated invoicing platforms. I'm passionate about designing robust architectures, mentoring teammates, and delivering end-to-end products in cloud environments (AWS, GCP). I enjoy collaborating with cross-functional teams to turn complex problems into clean, scalable software and AI-powered tools.…Hi, I'm Saif Ur Rehman, a Full-Stack Engineer and Technical Lead based in Lahore, Pakistan. I build AI-powered web applications and scalable backend systems, leading teams of engineers to ship reliable software. My work blends strong engineering fundamentals with practical, impact-driven solutions, from AI-assisted document processing to automated invoicing platforms. I'm passionate about designing robust architectures, mentoring teammates, and delivering end-to-end products in cloud environments (AWS, GCP). I enjoy collaborating with cross-functional teams to turn complex problems into clean, scalable software and AI-powered tools.

Available to hire

Hi, I’m Saif Ur Rehman, a Full-Stack Engineer and Technical Lead based in Lahore, Pakistan. I build AI-powered web applications and scalable backend systems, leading teams of engineers to ship reliable software. My work blends strong engineering fundamentals with practical, impact-driven solutions, from AI-assisted document processing to automated invoicing platforms.

I’m passionate about designing robust architectures, mentoring teammates, and delivering end-to-end products in cloud environments (AWS, GCP). I enjoy collaborating with cross-functional teams to turn complex problems into clean, scalable software and AI-powered tools.

Skills

Experience Level

Expert

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Work Experience

Full-Stack Engineer & Technical Lead at Independent Contractor

February 1, 2025 - Present

Led development of an AI-powered HR management system by guiding a team of 5 engineers and implementing RAG architecture with FastAPI and NestJS. Built and launched InvoiceHubs.com, a Django-based invoicing platform with automated payment tracking and workflow management. Developed an intelligent document processing system using OpenAI API and custom ML models for automated data extraction and analysis.

Senior Software Engineer at Acrosoft.io

September 1, 2024 - February 1, 2025

Optimized backend infrastructure by architecting scalable NestJS and Python microservices with Redis caching for improved API performance. Developed an AI voice transcription system integrating AssemblyAI and Groq APIs with real-time processing capabilities.

Senior Software Engineer at Soliton Technologies

November 1, 2023 - October 1, 2024

Implemented dynamic dataset controls and role-based access control in Apache Superset using SQLAlchemy and Pandas for enterprise clients. Designed a parallel threading solution with Gunicorn and Redis for efficient processing of large datasets in analytics workflows. Built automated web scraping pipeline using Scrapy and Selenium for competitive intelligence and data collection.

Senior Software Engineer at PTR

March 1, 2023 - November 1, 2023

Developed and maintained Matos AI marketing automation platform using Django REST Framework, React, and AWS infrastructure. Built Advanced Search functionality with Elasticsearch and integrated SEC EDGAR API for financial data tracking and analysis.

Software Engineer at Stealth Startup

July 1, 2022 - August 1, 2023

Designed and integrated GraphQL API architecture supporting multiple product features while collaborating with cross-functional teams. Architected microservices infrastructure with fault tolerance and third-party API integrations for improved system reliability.

Software Engineer at CCJK Technologies

August 1, 2021 - July 1, 2022

Architected and developed CRM platform with Django and PostgreSQL supporting sales teams with automated workflow management and Google Workspace integration. Containerized application with Docker and implemented CI/CD pipeline using GitHub Actions for streamlined deployments.