Professional Summary
Senior Backend Engineer with 11+ years of experience designing and developing scalable, secure, high-performance backend systems in fintech, enterprise, and healthcare domains. Expert in Node.js, NestJS, microservices, AWS cloud, and CI/CD pipelines. Skilled in building robust APIs, integrating complex payment systems, leading engineering teams, and implementing distributed logging, monitoring, and debugging solutions.
Technical Skills
Backend & Frameworks
Node.js
NestJS
Express.js
Vue.js
AngularJS
Databases
MySQL
PostgreSQL
MongoDB
Redis
DynamoDB
Aurora
ElastiCache
Cloud (AWS)
Lambda
API Gateway
S3
EC2
RDS
CloudWatch
CloudTrail
IAM
Architecture
Microservices
Event-Driven
REST APIs
gRPC
CI/CD & DevOps
Jenkins
GitHub Actions
AWS CodePipeline
Docker
ECS
Monitoring & Logging
ELK Stack
X-Ray
Pino
Winston
CloudWatch Logs
Professional Experience
Comera Pay — Abu Dhabi, UAE
- Built bill payment microservices using NestJS, SQS, Redis, and MySQL, handling thousands of daily transactions
- Integrated TAMM & Comera Pay wallets for secure digital payments
- Designed merchant remittance services using Thunes for cross-border payouts
- Implemented AWS Lambda, API Gateway, and S3 for event-driven processing and secure file storage
- Monitored distributed systems using CloudWatch, X-Ray, and Kibana dashboards
- Implemented JWT/OAuth2 authentication flows for secure API access
MyWhoosh — UAE
- Led backend development for real-time ranking and leaderboard systems
- Built dynamic ranking engine calculating rider positions based on performance metrics
- Automated rewards system tied to leaderboard events
- Scaled services to handle high-concurrency live competitions
- Optimized backend pipelines with AWS Lambda and Redis caching
MyWhoosh — UAE
- Developed REST APIs with 99.9% uptime
- Migrated legacy Node.js modules to TypeScript
- Led integration testing and performance optimization
- Applied CI/CD pipelines using Jenkins and AWS CodePipeline
Innovative Solutions — Karachi, Pakistan
- Developed secure financial APIs processing thousands of daily transactions
- Delivered multi-tenant SaaS backends
- Improved latency with Redis caching and optimized queries
- Implemented centralized logging with ELK Stack and CloudWatch
Technology Ally — Karachi, Pakistan
- Enhanced healthcare systems for U.S. government-backed insurance programs
- Developed ExemplrCRM for lead management, agent scheduling, and pharmacy lookup
- Integrated eligibility and coverage checks to streamline operations
- Ensured HIPAA-compliant secure data handling
- Mark360 — Senior PHP Developer (2017–2019)
- Incircle Technology — PHP Developer (2015–2017)
- Fasnatics Solutions — Web Developer (2014–2015)
- E2B Solutions — Junior Web Developer (2014)