Hammad Hassan

Software Engineer | Fintech & AI Specialist | Scaling Distributed Systems

Based in: Lahore, PakistanCurrently: Software Engineer, i2c incExperience: 3 years

Software Engineer with a track record of optimizing high-scale fintech systems, including a 99.9% reduction in processing time for 3D Secure authentication at i2c inc. Experienced in building Agentic AI systems and full-stack applications, with a strong foundation in software architecture and a passion for open-source contribution.

Experience

Software Engineer

i2c incLahore, PakistanworkAug 2025 – Present

Summary

Developed backend services for large-scale payment processing, including 3D Secure (3DS ACS) authentication systems using Java and Spring Boot, supporting 1M+ transactions per month. Built and optimized batch processing pipelines using Informix and Greenplum to handle high-volume financial transactions exceeding 1K records per batch, ensuring accuracy, fault tolerance, and PCI-DSS compliance.

What I did

Implemented Redis-based caching mechanisms to optimize data retrieval and system performance.

Results

Resolved critical scheduler bugs and implemented optimized multi-threading to reduce processing time for complex corporate card distributions from 2 hours to under 1 second.
Reduced transaction processing time by 99.9% (from 2 hours to <1s) for high-volume corporate card distributions.

JavaSpring BootInformixGreenplum3D Secure (3DS ACS)PCI-DSSMulti-threadingRedis

Freelance Software Engineer

Self EmployedRemotefreelanceMar 2025 – Aug 2025

Summary

Delivered automation projects for clients, reducing manual effort by up to 40% through workflows and automation solutions. Architected RESTful APIs and backend services using Python and JavaScript, supporting reliable integration with third-party platforms and 99.9% uptime. Spearheaded data processing and ETL solutions that handled 1K records per cycle with retry logic and full idempotency at all stages.

What I did

Architected RESTful APIs and backend services using Python, JavaScript, and Django, supporting reliable integration with third-party platforms and 99.9% uptime.

PythonJavaScriptRESTful APIsETLDjango

AI Engineer

Systems LimitedLahore, Pakistanwork2025 – Mar 2025

Summary

Focused on Agentic systems and applied AI engineering, developing RAG pipelines and autonomous agents for healthcare.

What I did

Formulated retrieval-augmented generation (RAG) pipelines and autonomous AI agents using LLMs and vector databases.
Developed models for image segmentation and computer vision using PyTorch and Stable Diffusion for medical diagnostics.
Integrated Agentic workflows into healthcare systems and contributed to applied research presented at a technology conference.

Results

Presented research on AI-assisted surgery and diagnostics at the 'Use of AI in Surgery' conference.
Serving 5K+ users through RAG pipelines and autonomous AI agents.
Presented AI diagnostic research to medical professionals at a specialized healthcare technology conference.

RAGLLMsVector DatabasesPyTorchStable DiffusionComputer VisionAgentic workflows

Skills

Technical

Python

JavaScript

ReactJS

REST APIs

Node.js

RAG

Vector Databases

Next.js

Django

TypeScript

Java

PyTorch

LLMs

SpringBoot

AWS

Docker

Jenkins

CI/CD

Microservices

PostgreSQL

MySQL

MongoDB

Express.js

Informix

React Native

MS SQL Server

Embeddings

Flask

TensorFlow

Greenplum

Redis

Struts

Projects

Fossify Music Player Contribution

open_source

Contributed technical improvements and tweaks to the Fossify music player open-source project.

Open Source Library Enhancement

open_source

Enhanced the functionality of an open-source library through targeted code contributions.

Signature Verification System for Banking

Lead Researcher & Developeracademic

Research-based project analyzing various technologies and methods for automated signature verification in banking systems.

TensorFlowPythonComputer Vision

Education

Bachelor's

COMSATS University Islamabad, LahoreSoftware Engineering

Recognition

Certifications

Machine Learning Specialization

DeepLearning.AI

Deep Learning Specialization

DeepLearning.AI

Software Design and Architecture

University of Alberta (Coursera)

Google Data Analytics Professional Certificate

Google

Google Project Management Certificate

Google

Information Representation and Data Organization

Introduction to Probability

Data Analysis with R Programming

Exercising Leadership: Foundational Principles

Social impact & activities

Volunteer

NGO volunteervolunteer

Community volunteers engaged in teaching, resource distribution (books and ration), and fundraising initiatives to support education and welfare in underprivileged communities.

AI in Surgery: Diagnosis and Surgical Assistance

Conference on Use of AI in Surgeryconference talkSpeaker/Lecturer

Delivered a lecture on the possibilities of using AI models for medical diagnosis and assisting surgeons during procedures.

Hire HammadReach out about a role, a contract or a conversation.For recruiters

Hammad's twin is AI, it can make mistakes.

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