NABIL AFZAL

Backend Engineer

Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates3 yrs 1 mo experience

Key Highlights

  • Expert in building scalable backend systems.
  • Proficient in optimizing API performance and database interactions.
  • Strong experience in secure transaction systems and payment workflows.
Stackforce AI infers this person is a Backend Engineer specializing in FinTech and EdTech with a focus on scalable systems.

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Skills

Core Skills

Backend System ArchitectureScalable Api DesignSecure Transaction Systems

Other Skills

AWS EC2AWS S3AlgorithmsAmazon SQSAmazon Web Services (AWS)Back-End Web DevelopmentBullMQC++Data structureEngineeringExpress.jsJSON Web Token (JWT)MongoDBNoSQLNode.js

About

Backend Engineer | Node.js | Scalable Systems | FinTech EdTech I’m a backend engineer with 3.8 years of experience building scalable, secure, and high-performance systems. My work revolves around backend architecture, distributed processing, system reliability, and clean business logic implementation for real-world, high-usage applications.I specialize in designing production-grade systems, optimizing data flow, and building robust backend solutions that scale seamlessly across complex business use cases. 💡 What I Bring to the Table 🔧 Tech StackBackend & Frameworks: Node.js, TypeScript, JavaScript, NestJS, ExpressDatabases: PostgreSQL, MySQL, MongoDBMessaging & Caching: Redis, BullMQ, Queue-based ProcessingArchitecture: Microservices, Event-Driven Systems, Modular DesignSecurity & Access: RBAC, Authentication & AuthorizationPayments: Multi-Gateway Integrations, Webhook Architecture 🧠 Professional Highlights 📍 Regenesys Business School – Backend Developer• Designed and scaled backend systems for enterprise-level education platforms• Designed and Handled Retry Logic• Implemented audit logging systems for traceability and compliance• Built role-based access control and secure authorization flows• Optimized API performance and database interactions• Contributed to system modularity and architecture scalability 📍 Antino Labs – Backend Developer• Developed backend services using Node.js and TypeScript• Worked on scalable REST APIs and core backend modules• Focused on backend performance, maintainability, and clean architecture• Contributed to business-critical systems used in production ⚙️ Areas of Expertise• Backend System Architecture• Scalable API Design• Distributed Processing• Secure Transaction Systems• Payment Workflow Automation• Event-Driven Architecture• Database Optimization• Audit & Compliance Systems• Role-Based Access Control (RBAC)• High-Volume Data Processing

Experience

Regenesys

Back End Developer

Nov 2024 – Present · 1 yr 4 mos · Remote · Remote

  • Implemented retry logic for webhook handling to ensure reliable event delivery Impacting 80% of code.
  • Developed multiple payment gateway features including refunds and offline payments.
  • Utilized queues (BullMQ) for notifications, webhook processing, and asynchronous tasks.
  • Applied design patterns such as Adapter and Factory to enhance maintainability and scalability.
  • Implemented SMS/OTP notification system using Redis for efficient request handling.
  • Diagnosed and resolved bugs across services, improving application stability and performance.
  • Delivered clean, modular, and well-documented code aligned with industry best practices.
  • Collaborated with cross-functional teams in an Agile environment, contributing to stand-ups, sprint planning, and code reviews.
Node.jsTypeScriptPostgreSQLRedisBullMQBackend System Architecture+1

Antino

Software Engineer

Feb 2023 – Nov 2024 · 1 yr 9 mos · Bengaluru · On-site

  • Built real-time notification features using Server-Sent Events (SSE) integrated with Twilio, MSG91, and FCM; managed 100% of the notification module.
  • Configured and optimized file and image uploads on AWS S3 and EC2.
  • Ensured high database performance and fast API response times through optimization.
  • Conducted performance tuning and implemented improvements across the codebase.
  • Resolved complex technical issues, contributing to timely delivery and ensuring 100% client satisfaction across two major clients.
  • Collaborated with product teams to convert business requirements into technical solutions.
Node.jsTypeScriptAWS S3AWS EC2Backend System ArchitectureScalable API Design

Walkover

Software Engineer Intern

Jan 2022 – Jul 2022 · 6 mos · Remote

Education

Sagar Group (SIRT Bhopal) | Sagar Group of Institutions

Bachelor of Technology - BTech — Computer science Engineering

Jan 2019 – Jan 2023

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