Zain Bajwa

Full Stack Developer at Greelogix

Led end-to-end architecture and development of scalable, high-performance web applications using Python (Django, FastAPI, Flask) and Java. Architected and optimized backend services and microservices with Redis caching to improve throughput; designed cloud-native deployments on AWS via Terraform. Managed and mentored a team of engineers, provided technical guidance and code reviews, and implemented a chat-bot capable full-stack solution integrating GPT-3.5 Turbo, FastAPI, Django, and Twilio APIs for automated customer interactions. Built a high-availability backend with Django REST Framework to decouple frontend and backend, and developed a reusable RESTful API layer to enable parallel development. Implemented a React frontend with Redux and lazy loading, boosting engagement and performance. Established CI/CD pipelines with Docker, AWS, and GitHub Actions, reducing deployment cycles by 30% and improving reliability. Drove performance improvements and architecture decisions across the t

Associate Software Engineer at Samaritan Technologies

Developed and maintained scalable web and healthcare applications using Python (Django, Flask, FastAPI), .NET Core, and Java (Spring Boot, Hibernate). Built robust REST APIs and microservices enabling real-time frontend/backend communication. Integrated HL7/FHIR standards to support secure medical data exchange and analytics workflows. Designed backend systems for handling EHRs and medical imaging, leveraging Django ORM and SQL Server. Optimized data pipelines using Pandas, multi-threading, and Redis caching to improve processing speed and reduce latency. Automated testing with PyTest, JUnit, and Selenium, reducing post-deploy defects by 25%. Collaborated with UI/UX, DevOps, and Product teams to deliver cloud-hosted solutions on AWS and Azure.

Senior Software Development Engineer at Code Experts

Led the design and development of scalable, high-performance web applications using Python (Django, FastAPI, Flask) and Java. Architected and optimized backend services and microservices, ensuring seamless API communication and system efficiency. Managed and mentored a team of engineers, providing technical guidance, code reviews, and enforcing best practices. Spearheaded the development of a Full Stack Web App with chatbot capabilities, integrating GPT-3.5 Turbo API, FastAPI, Django, and Twilio APIs for automated customer interactions. Built a high-efficiency web scraper to automate event ticket bookings, improving operational workflows. Collaborated with cross-functional teams including product managers and stakeholders to align technical solutions with business objectives. Led performance optimizations to enhance system speed, reliability, and scalability. Fostered a culture of innovation, learning, and technical excellence, driving continuous improvement within the team. Architecte

Full Stack Developer at Greelogix

Led the end-to-end architecture and development of full-stack web applications using Python, Django, React, and AWS, employing a microservices-oriented design to enhance scalability and modularity. Collaborated with UI/UX teams to implement component-driven frontend architecture (React.js), reducing code redundancy by 35% and accelerating feature delivery. Designed and deployed a RESTful API layer (Django REST Framework) to decouple frontend and backend systems, improving maintainability and enabling parallel development workflows. Built a highly available backend (Django, MySQL) with optimized query performance, caching (Redis), and load balancing, supporting 124K+ monthly users at 99.9% uptime. Structured a cloud-native architecture (AWS EC2, S3, RDS) using Terraform for IaC, reducing deployment time by 27% and ensuring environment consistency. Introduced containerization (Docker) and orchestrated CI/CD pipelines (GitHub Actions), cutting deployment-to-production cycles by 30% and mi

Associate Software Engineer at Samarita Technologies

Developed and maintained scalable web and healthcare applications using Python (Django, Flask, FastAPI), .NET Core, and Java (Spring Boot, Hibernate). Built robust REST APIs and microservices for real-time frontend/backend communication. Integrated HL7 and FHIR standards to support secure medical data exchange and analytics workflows. Designed backend systems for handling EHRs and medical imaging, leveraging Django ORM and SQL Server. Optimized data pipelines using Pandas, multi-threading, and Redis caching to improve processing speed and reduce latency. Automated testing with PyTest, JUnit, and Selenium, reducing post-deployment defects by 25%. Improved performance and data handling through database optimization and ORM tuning. Collaborated with cross-functional teams including UI/UX, DevOps, and Product to deliver cloud-hosted solutions using AWS and Azure.

Senior Software Engineer | Full Stack Developer at GreeLogix

Led design and development of scalable, high-performance web applications using Python (Django, FastAPI, Flask) and Java. Architected backend and microservices, containerized with Docker, deployed on AWS. Led a cross-functional team, mentoring engineers and enforcing best practices. Spearheaded development of a Full Stack Web App with chatbot capabilities, integrating GPT-3.5 Turbo API, FastAPI, Django, and Twilio APIs for automated customer interactions. Built efficient data pipelines and web scrapers; optimized deployment with Docker, AWS, and GitHub Actions CI/CD.

Senior Software Engineer at GreeLogix

Led end-to-end architecture and development of scalable web apps with a microservices orientation, implementing RESTful APIs and frontend architecture using React and Redux. Drove performance optimization and deployment automation via Docker, AWS, and GitHub CI/CD pipelines; ensured scalable and reliable systems.