Backend Developer with 4+ years of experience designing and delivering scalable, high-performance server-side systems for enterprise clients across Europe and Pakistan. Core expertise in Node.js, NestJS, Express.js, and MongoDB, with a strong track record in Microservices Architecture, Event-Driven Architecture, and RESTful API design.
Built production systems handling high-concurrency workloads, OAuth 2.0 authentication, LLM API integration, GDPR-compliant platforms, and PII redaction pipelines. Effective collaborator in Agile/Scrum teams across distributed, cross-functional environments.
Engineered Node.js (Express.js) and NestJS services supporting 5+ simultaneous enterprise client applications without degradation. Architected 20+ RESTful APIs consumed by React.js, Next.js, and mobile clients.
Microservices & Event-Driven
Adopted Microservices Architecture across 3+ independently deployable services for zero-downtime deployments. Applied Event-Driven Architecture and async patterns, decoupling critical operations to reduce main-thread blocking.
Database Optimization
Optimized MongoDB, PostgreSQL, and MySQL schemas and query strategies under high load, achieving measurable reductions in API response latency that improved end-user experience.
Gosign — Continued
Senior Backend Developer · Key Contributions
1
Third-Party Integrations
Integrated 10+ third-party APIs including AI services, payment processors, and enterprise data providers with secure, validated data exchange across all touchpoints.
2
Security & Full-Stack Ownership
Secured all client-facing APIs using OAuth 2.0 and JWT, enforcing enterprise-grade authorization for 100% of API endpoints. Owned end-to-end delivery of full-stack features using Next.js and Node.js, shipping complete features independently from design to production.
3
Incident Response & Agile
Resolved critical production incidents with swift root-cause analysis, maintaining high availability. Participated in Agile/Scrum sprints across cross-functional, distributed teams; contributed to system design reviews, code reviews, and Git/Azure Repos workflows.
4
Code Quality
Refactored legacy codebases to eliminate technical debt, cutting average onboarding time for new features and improving long-term code maintainability.
SpotGame · Remote, Pakistan
Full-Stack Developer — Gaming Platform
8+ Features Shipped
Delivered full-stack features on a live gaming platform using the MERN stack (MongoDB, Express.js, React.js, Node.js), directly improving functionality for real end users at scale.
15+ API Endpoints
Designed and exposed RESTful API endpoints with clean separation of concerns, enabling real-time data exchange between frontend and backend across multiple platform modules.
10+ Reusable Components
Developed a library of reusable React.js components in ES6+, standardizing the UI layer and accelerating feature development across the platform.
Key Projects
gosign.ai — AI-Powered Conversational Chat
Next.js, Node.js, NestJS, LLM APIs, MongoDB
Led end-to-end delivery of a full-stack AI chat application serving concurrent users under live enterprise traffic. Structured the backend as 4+ independently scalable microservices covering AI API communication, conversation state, session management, and OAuth 2.0 authentication. Connected LLM APIs for real-time context-aware streaming responses with pipeline optimizations for low latency. Persisted full chat history and multi-session state in MongoDB under high-concurrency production traffic.
GDPR Compliance & Data Protection Platform
Node.js, NestJS, MySQL, TYPO3 CMS
Created a fully GDPR-compliant enterprise platform for large-scale European organizations, covering consent management, audit logging, data erasure workflows, and automated data handling pipelines. Adapted quickly to the TYPO3 CMS stack under deadline pressure, demonstrating ability to onboard to unfamiliar technologies and deliver on schedule.
Key Project
Automated PII Redaction System
Node.js, MongoDB, Event-Driven Architecture
Designed and shipped an event-driven pipeline to automatically detect and mask Personally Identifiable Information (PII) — including IBANs, phone numbers, and addresses — from documents at scale, ensuring full data privacy compliance.
What Gets Redacted
IBANs & bank account numbers
Phone numbers
Physical addresses
Architecture
Event-driven pipeline using Node.js and MongoDB for scalable, automated document processing at scale.
Education & Credentials
🎓 University of Sargodha
BS in Software Engineering · 2018 – 2022 · Pakistan
GPA: 3.01 / 4.00
📜 Certification
Certified Web Professional, E-Commerce Specialist (CWP)