Principal Software Engineer with 9+ years of experience designing and delivering scalable, user-focused web and mobile applications. I specialize in aligning software solutions with business objectives and enhancing end-user experiences through innovative technical leadership.
- οΏ½οΈ Expert in RESTful APIs, Serverless architectures, Microservices, and Monolith/Microlith systems
- π― Proven track record in leading full SDLC from concept to deployment and optimization
- π‘ Passionate about component-based design and scalable architecture patterns
- π± Currently exploring CDC (Change Data Capture) and advanced Event-Driven Architectures
- π¬ Strong advocate for clear communication, effective collaboration, and technical mentorship
- ποΈ Designed and launched a scalable microservices HRM portal from scratch with zero critical show-stoppers
- π Engineered robust multi-tenant architecture with dynamic DB provisioning and centralized security via Kong API Gateway
- β‘ Optimized MongoDB performance by 40%+ through query pipelines and replica set auto-scaling
- π Standardized CI/CD processes reducing deployment time by ~30% across enterprise projects
- π₯ Led cross-functional teams of 15+ developers and QA engineers delivering complex cybersecurity features
- π¨ Architected first Microlith system using Rails Engine, later adopted as a national evaluation platform
- π Revived failing projects improving team performance and increasing staff count from 8 to 15
Aug 2025 β Nov 2025 | Freelance
Built a modern HRM solution from scratch using microservice architecture
- Tech Stack: Node.js, Express.js, Angular, PostgreSQL, Docker, AWS, Apache Kafka, Kong API Gateway
- Designed comprehensive data model with strategic indexing for optimized query performance
- Engineered tenant-based database architecture with dynamic instance provisioning
- Implemented hybrid communication strategy: REST for frontend, Kafka for backend microservices
- Integrated CDC (Change Data Capture) using Maxwell for real-time data synchronization
Feb 2024 β Jan 2025 | innovahealth.app
Developed Intelligent Clinical EHR system for senior care therapy
- Tech Stack: Node.js, Angular, MongoDB, Heroku
- Designed and deployed Multi-Therapy module supporting concurrent therapy plans
- Built granular RBAC system with fine-grained permission management
- Configured MongoDB replica sets for high availability and improved scalability
May 2022 β Aug 2023 | Working with Lumina (US)
Delivered SaaS and community-driven projects
- Unpakt (unpakt.com): Enhanced CI/CD pipelines for SaaS moving services platform
- ICC Chess: Developed custom SSO middleware and private npm theme package for large chess community
Jul 2018 β Aug 2022
Led enterprise software solutions across diverse international clients
- Centraleyes: Led 15-person team building advanced audit management platform with Angular & AWS Serverless
- AUC: Architected Microlith-based evaluation system using Rails Engine for Australian Union
- Leaguer: Successfully revived failing football management platform with Docker & AWS deployment
π§ Whitelist Recipients
A Ruby gem to restrict outgoing emails by whitelisting ActionMailer recipients, preventing unintended message delivery in non-production environments.
Tech: Ruby, Rails, ActionMailer
π± Hit Click Counter
Mobile app for tracking daily activities through customizable counters (habits, workouts, water intake, etc.)
Tech: Ionic, Angular, Node.js, Firebase (Firestore, Functions, Analytics, Crashlytics)
I'm always open to interesting conversations and collaboration opportunities!
- π§ Email: irfanbabar99@gmail.com
- πΌ LinkedIn: linkedin.com/in/irfanbabar
- π Location: Pakistan