Omar Qazi Email & Phone Number

Manchester, Gb

Operations and Logistics + Product and Pricing• Engineered highly scalable AWS Serverless solutions that manage millions of requests, supporting over 5 million active users. (TypeScript, Lambda, SQS, SNS, DynamoDB)• Architected backend infrastructure using IaC with CDK to provision and manage AWS resources. (SNS, SQS, S3)• Replaced legacy dependencies with native solutions resulting in 50-100% faster response times. (Lodash, Node.js)• Conducted end-to-end testing, checking logs, queues, and validating functionality. (CloudWatch, SQS, DataDog)• Monitored releases, ensuring no alarms, errors, or timeouts. (CloudWatch, Sentry, Grafana, DataDog)• Executed unit, integration, and infrastructure tests with 98% test coverage. (Jest, Cypress, Docker, MongoDB)• Integrated the TikTok API to facilitate product purchases directly within TikTok.• Leveraged CDK by adding VPC to lambdas, improving security, performance, leading to cost-reduction.• Designed and implemented an automated product categorization solution to enhance targeted marketing strategies. (S3, API, Caching)• Conducted code reviews and mentored junior engineers, leading to 3x faster feature delivery.• Collaborated with DevOps to streamline deployment pipelines and resource management, for continuous delivery.• Documented and collaborated with the QA team to ensure thorough testing and high product reliability.Tech Stack• TypeScript | Node.js | AWS• Serverless | Microservices | Distributed Systems• DynamoDB | DocumentDB | MongoDB• Lambda | SQS | SNS | S3 | EventBridge | Step Functions• CDK | CodeBuild | CodePipeline• Jest | Cypress | Docker | Webpack• CloudWatch | Sentry | DataDog | Grafana

Dubai, Ae

Payment Enhancements• Designed and implemented a generic payment flow, decoupling existing implementations and restructuring the payment database to improve scalability and flexibility.• Integrated MPESA (Kenya) and EBANX (Brazil) payment services, enhancing global payment capabilities.• Ensured high code quality by achieving 95%+ code coverage (SonarQube), eliminating code smells, and resolving quality issues using CodeScene.• Managed deployments and environments using GCloud and Kubernetes (Lens), including error resolution via pod logs and SSH access.• Revamped backend systems by updating database models, restructuring the payment database, and designing a generic payment flow.• Developed backend features for monolithic APIs and microservices, including routes, controllers, validations, versioning, serialization and documentation.• Conducted rigorous unit testing with Mocha and Chai and API testing using Postman, ensuring robust and reliable functionality.• Collaborated with other engineers in code reviews and system design discussions for SWVL's monolithic API (430k LOC) and Payment Microservice.Multi-Broker Enhancements for Messaging Systems• Enhanced SWVL’s SQS wrapper library (WTSQS) to support RabbitMQ and Apache Kafka, allowing seamless broker switching via environment variables.• Conducted research on messaging systems (ActiveMQ, RabbitMQ, Kafka) and communication protocols (REST, STOMP, AMQP), producing detailed architectural comparisons.• Authored integration documentation and developed components for WTKafka and WTRabbitMQ.• Achieved 95%+ code test coverage, utilized CI/CD pipelines with Jenkins, and ensured high-quality linting adherence.Tech Stack• JavaScript | Node.js | Express• REST API | Monolith | Microservices• MongoDB | MySQL• Mocha | Chai | Sinon• AWS SQS | RabbitMQ | Apache Kafka• Docker | Kubernetes• GCP[ Tintash Team ]

Lahore, Punjab, Pk

Authentication and Authorization Service• Designed and architected an authentication and authorization service using Go and Gorilla Mux.• Implemented role-based access control (RBAC) for granular resource permissions management.• Implemented OAuth 2.0, session storage, and JWT token authentication using Google OAuth and Firestore.• Reduced login session processing time by implementing session caching with Redis.• Deployed and tested the AuthService backend on GCP and Heroku, and the frontend on Firebase, ensuring seamless integration and reliability across all service layers.Live-Streaming Platform• Designed and developed a live-streaming platform using React, Node.js and WebSockets.• Integrated the Vonage video API (WebRTC) for video communication.• Created a responsive front-end client using React, TypeScript, and Tailwind CSS.• Implemented global state management with React Context API.Technical Stack• JavaScript | TypeScript | Go• React | Redux• Node | Express• MongoDB | MySQL | PostgreSQL | Firestore• Tailwind CSS | Material UI• GCP | Heroku | Firebase• Gorilla Mux

San Francisco, California, Us

Full Stack Web Development:• Web Languages: [ JavaScript, TypeScript ]• Front-end: [ React, Redux ]• Back-end: [ Node, Express, Nest ]• Database: [ MySQL, MongoDB, Firebase ]• Styling: [ Tailwind, Bootstrap ]Other Services:• Software Development: [ C#, JAVA ]• Mobile App Development: [ React Native, Java ]• Database Design: [ ERD, Schema ]• UI/UX Design: [ Adobe XD, FIGMA ]• Graphic Design: [ Photoshop, Illustrator ]• Video Editing: [ Premiere Pro ]

Bs Software Engineering, Computer Science

School