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Sajad Ahmed

@sajadahmed

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Software Engineer who built REST APIs at Think Finance and develops AI-powered, energy-efficient software.

Pakistan

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At Think Finance, I built and maintained REST API endpoints for a multi-role web platform, including authentication, course enrollment, and progress tracking. I also optimized MongoDB queries, reducing average API response times by about 25%.

At Nexium, I built AI-powered web applications and integrated LLM automation pipelines. In my GreenCode AI project, I'm developing a platform that analyzes Java methods for energy efficiency; its AI-driven optimizations reduced energy consumption by 29%.

Experience

Work history, roles, and key accomplishments

Full Stack Developer Intern

Think Finance

Aug 2025 - Oct 2025 (2 months)

Built and maintained 15+ RESTful API endpoints using Node.js, Express.js, and MongoDB for a multi-role web platform. Implemented JWT-based authentication and role-based access control, and optimized MongoDB queries to reduce API response times by 25%.

NodeJS ExpressJS MongoDB REST APIs JWT RBAC API Development Query Optimization

AI Web Developer Intern

Nexium

Jul 2024 - Aug 2024 (1 month)

Built 3+ AI-powered web applications using Next.js, Supabase, MongoDB, and Redis, shipped to production. Integrated LLM-powered automation pipelines via n8n, eliminating 60%+ of manual processing tasks and cutting deployment time by 40% with CI/CD.

Next.js Supabase MongoDB Redis N8n LLM CI CD cloud deployment

Education

Degrees, certifications, and relevant coursework

FAST – National University of Computer and Emerging Sciences

Bachelor of Software Engineering, Software Engineering

2022 -

Pursuing a Bachelor of Software Engineering, with coursework in OOP, DSA, DBMS, Algorithms, Software Design, Web Engineering, Software Construction and Development, Cloud Computing, Artificial Intelligence, and Generative AI.

Amazon Web Services

AWS Certified Cloud Practitioner, Cloud Computing

Certified as an AWS Certified Cloud Practitioner, demonstrating knowledge of AWS cloud services including EC2, S3, RDS, IAM, VPC, and cloud computing concepts.