Hi, I’m Abdullah Ch, a Senior Full Stack Engineer based in Stuttgart, Germany. I’ve spent 7+ years building production-grade web applications and event-driven microservices with TypeScript, React, NestJS, and Node.js. I enjoy turning complex requirements into robust, scalable systems and have hands-on experience with Kafka-based architectures, Kubernetes deployments, and Google Cloud Platform. From designing multi-environment CI/CD pipelines to implementing secure OAuth2 flows and AML/KYC compliance integrations, I focus on shipping features that impact real users and revenue. I’m passionate about mentoring teams, improving code quality with automated testing, and delivering reliable, observable software that serves 100,000+ users and supports substantial revenue.

Abdullah Chaudhry

Hi, I’m Abdullah Ch, a Senior Full Stack Engineer based in Stuttgart, Germany. I’ve spent 7+ years building production-grade web applications and event-driven microservices with TypeScript, React, NestJS, and Node.js. I enjoy turning complex requirements into robust, scalable systems and have hands-on experience with Kafka-based architectures, Kubernetes deployments, and Google Cloud Platform. From designing multi-environment CI/CD pipelines to implementing secure OAuth2 flows and AML/KYC compliance integrations, I focus on shipping features that impact real users and revenue. I’m passionate about mentoring teams, improving code quality with automated testing, and delivering reliable, observable software that serves 100,000+ users and supports substantial revenue.

Available to hire

Hi, I’m Abdullah Ch, a Senior Full Stack Engineer based in Stuttgart, Germany. I’ve spent 7+ years building production-grade web applications and event-driven microservices with TypeScript, React, NestJS, and Node.js. I enjoy turning complex requirements into robust, scalable systems and have hands-on experience with Kafka-based architectures, Kubernetes deployments, and Google Cloud Platform.

From designing multi-environment CI/CD pipelines to implementing secure OAuth2 flows and AML/KYC compliance integrations, I focus on shipping features that impact real users and revenue. I’m passionate about mentoring teams, improving code quality with automated testing, and delivering reliable, observable software that serves 100,000+ users and supports substantial revenue.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent
German
Beginner

Work Experience

Senior Software Engineer at Rana Dev
March 1, 2024 - Present
Engineered RESTful APIs for a FinTech onboarding platform using NestJS and MongoDB, cutting onboarding time by 40% and increasing form completion by 30%. Architected event-driven microservices using NestJS, Apache Kafka, Kubernetes, and Docker, improving inter-service throughput and reducing coupling by 35%. Built and maintained multi-environment CI/CD pipelines on Vercel and GCP Cloud Run, enabling zero-downtime deployments. Implemented dynamic filter configuration for collection views, reducing ops overhead and improving data discoverability. Integrated KYC/CDD compliance services via GraphQL and NestJS for AML/regulatory standards with automated verification workflows. Achieved 90%+ test coverage with Jest.
Software Engineer II at Dubizzle
January 1, 2023 - March 1, 2024
Developed Car Ad Post Feature using React, Formik, and Redux Toolkit, directly contributing to $1M+ monthly revenue. Built Car Auction Negotiation Feature using Firebase Realtime Database and Cloud Functions, enabling real-time bidding for over 100,000 users. Implemented a Call Quality Control feature using custom React hooks and design patterns, increasing sales lead closing rates by 20%. Led a TypeScript migration across 50% of the codebase, significantly reducing runtime errors and improving developer productivity.
Full Stack Software Engineer (MERN) at Trade Hat USA (Remote)
January 1, 2021 - February 1, 2023
Designed and implemented a Refresh Token Rotation authentication system with hacker-detection and API retry logic. Built a scalable WebSocket server with Node.js and RabbitMQ for real-time ticker streaming — multiplexing a single third-party data feed to 5,000+ concurrent users, with heartbeat monitoring and idle connection pruning. Optimized frontend bundle size by 15% through lazy loading, CSS purging, and strategic library migration in Vue.js. Built and maintained RESTful APIs using Express.js and MongoDB, serving real-time financial data to thousands of active users.

Education

Bachelor of Science in Computer Science at Information Technology University (ITU), Lahore, Pakistan
January 11, 2030 - April 1, 2026

Qualifications

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Industry Experience

Software & Internet, Financial Services, Professional Services