Available for new opportunities

M. Haris
Riaz Khan

Principal Software Engineer  ·  Full-Stack Architect

Building scalable, high-impact software across eCommerce, Healthcare, Logistics, and Enterprise domains for over 7 years — from architecture to production.

View My Work Get In Touch
7+
Years Experience
10+
Projects Delivered
5+
Domains Covered
6+
Certifications
About Me

Crafting software that
scales & endures

I'm a Principal Software Engineer with over 7 years of hands-on experience building robust, high-performance systems across diverse industries. I thrive in both leadership and individual contributor roles, driving projects from concept to production while obsessing over code quality, scalability, and user satisfaction.

My deep expertise spans the full SDLC — from system architecture and database design to API development, cloud deployment, and performance optimization. I'm passionate about solving complex real-world problems through clean, maintainable code.

🏗️

System Architecture

Designing scalable microservices, distributed systems, and data storage solutions.

⚙️

Backend Engineering

Python (Django, Flask, FastAPI), REST APIs, Celery, Redis, message queues.

☁️

Cloud & DevOps

AWS EC2, S3, Lambda, SQS, Docker, Nginx, Linux — production-grade deployments.

🤖

AI & Personalization

AWS Personalize, recommendation engines, ML integration, and algorithm design.

🌐

Full-Stack Development

React, Vue.js, Laravel, PHP — end-to-end from database to user interface.

Skills

Technical Expertise

A full-spectrum toolkit built through years of solving real engineering challenges.

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Languages & Frameworks
Python Django Flask FastAPI JavaScript React Vue.js PHP Laravel Lumen CodeIgniter
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Databases
MySQL PostgreSQL MongoDB DynamoDB Redis Elasticsearch Solr
☁️
Cloud & DevOps
AWS EC2 AWS S3 AWS Lambda AWS SQS AWS Personalize Docker Nginx Linux Git
🔧
Tools & Integrations
Celery RabbitMQ Sentry ELK Stack Payment Gateways Machine Learning Magento WordPress
Experience

Career Journey

7+ years of progressive growth across leading technology and product companies.

Principal Software Engineer
TenX Private Limited · Lahore, Pakistan
Aug 2023 – Present
Python Django DRF Flask Redis Celery AWS SQS RabbitMQ PostgreSQL AWS EC2 Machine Learning
  • Design and implementation of enterprise-grade data storage solutions
  • Architectural leadership — guiding system design decisions across the engineering team
  • Python, Django, and Lambda function development for serverless workflows
  • Code optimization, quality standards, and algorithm integration
  • Application performance tuning for maximum speed and scalability
Senior Software Engineer
Cheetay · Lahore, Pakistan
Aug 2020 – Aug 2023
Python Django MySQL MongoDB React AWS Personalize Elasticsearch Redis Celery ELK Sentry
  • Built user recommendation systems using AWS Personalize for personalized shopping
  • Developed custom ML algorithms in Python for product and content ranking
  • High-volume, custom order management system integrated with warehouse operations
  • Implemented Celery, Redis, Flower, and Sentry for async processing and monitoring
  • Security implementation and data protection across the platform
Senior Software Engineer
GrocerApp · Lahore, Pakistan
Nov 2019 – Jul 2020
PHP Laravel Lumen MySQL Elasticsearch Vue.js Envoyer
  • Integration of user-facing elements with server-side logic
  • High-volume, custom order management system integrated with the warehouse
  • Warehouse Management System (WMS) and Vendor Management System (VMS)
  • Application scalability and security hardening
Full Stack Developer
Premier Housewares · Lahore, Pakistan
Dec 2017 – Oct 2019
PHP Laravel CodeIgniter WordPress Magento JavaScript MySQL Bootstrap
  • Delivered varied web development projects within an established development team
  • Assisted management with tool and metrics development, data analysis, and process improvement
  • Collaborated with project managers and business analysts on application development plans
  • Consulted with project managers, business analysts, and developers on application architecture and business plans
Projects

Featured Work

A selection of platforms and systems I've architected and delivered across diverse industries.

Healthcare · AI & Research
AI-Powered Healthcare Intelligence Platform
Contributed to the development of a technology-driven market research and insights platform for a global healthcare agency. The system leverages generative AI to deliver deeper understanding of healthcare professionals and patients — their behaviours, emotions, and motivations — through automated research workflows and agile analytics dashboards.
Python Django Generative AI REST APIs PostgreSQL AWS React
Live Platform
Logistics · Supply Chain
Enterprise Freight & Logistics Management System
Built key backend modules for a comprehensive freight forwarding and customs brokerage platform serving a major Canadian logistics company operating across 127+ countries. Delivered real-time shipment tracking, multi-modal transport coordination, customs workflow automation, and a client-facing digital portal for freight visibility and analytics.
Python FastAPI PostgreSQL Celery Redis Docker AWS
Production
eCommerce · Machine Learning
Personalized Product Recommendation Engine
Architected and implemented a real-time product recommendation system for a high-traffic eCommerce platform using AWS Personalize and custom Python ML algorithms. The engine delivered individualized shopping experiences based on user behaviour, purchase history, and real-time signals — significantly improving conversion and engagement metrics.
Python AWS Personalize Machine Learning Django Redis Elasticsearch
Production
Logistics · Operations
High-Volume Order & Warehouse Management System
Designed and developed a custom, high-throughput order management system integrated directly with warehouse and vendor management infrastructure. The system processed thousands of daily orders with real-time inventory sync, automated routing logic, and end-to-end delivery tracking across a nationwide operations network.
Django Celery MySQL Redis REST APIs Sentry
Production
Enterprise · SaaS
Multi-Tenant CRM & ERP Platform
Led backend development of a multi-tenant enterprise resource planning and customer relationship management system. Delivered modules for user management, billing, analytics, and third-party integrations including payment gateways and external APIs, handling complex business logic across multiple client organizations simultaneously.
Python Django REST Framework PostgreSQL Payment Gateways AWS Lambda Docker
Production
Social Media · Real-Time
Scalable Social Media Backend Infrastructure
Engineered the backend infrastructure for a social media platform, building core services for feed generation, user activity tracking, notifications, and content moderation. Leveraged asynchronous task queues, caching strategies, and search indexing to handle high concurrency and deliver a responsive, real-time user experience at scale.
Django Celery RabbitMQ Redis MongoDB Elasticsearch
Production
Education & Certifications

Academic & Professional Growth

🎓
Bachelor of Science in Computer Science (BSCS)
Lahore · 2018
Certifications
Google IT Automation with Python
Google Professional Certificate
2023
Python Django — The Practical Guide
Udemy
2023
AWS Cloud Technical Essentials
Amazon Web Services
Machine Learning with Python
IBM
Python for Data Science & AI
IBM
Databases & SQL for Data Science
IBM
Contact

Let's Build Something
Extraordinary

I'm open to discussing new opportunities, technical collaborations, or interesting projects. Feel free to reach out — I'd love to connect.

✉️ harriskhan891@gmail.com 📱 +92 321 442 1778
📍 Lahore, Pakistan