// SR. SOFTWARE ENGINEER
Scalable Fintech. Clean Code. Real Impact.
5+ years building high-performance fintech applications with Vue.js, Node.js, and Laravel. Specializing in payment systems, microservices, and scalable architectures.
I find what's unique, what your vision is & how to bring it to life with code. My work is also remarkable.
See my work →// WHY ME
Why Choose Me?
Combining technical expertise with a passion for creating exceptional digital experiences.
Fast Delivery
Quick turnaround without compromising quality. I respect your deadlines and deliver on time.
Clean Code
Well-structured, maintainable code that follows best practices and industry standards.
Modern Stack
Using the latest technologies and frameworks to build future-proof applications.
// SERVICES
Smarter Services, Built with Code
End-to-end development services to bring your ideas to life.
Frontend Development
Building responsive, fast, and interactive user interfaces with modern frameworks.
Backend Development
Scalable server-side applications with robust APIs and secure authentication.
API Development
RESTful and GraphQL APIs designed for performance and developer experience.
AI Automation
Building intelligent AI agents, LLM integrations, and automated workflows that save time and scale operations.
Database Design
Efficient database architecture with PostgreSQL, MongoDB, and Redis.
DevOps & Deployment
CI/CD pipelines, Docker containers, and cloud deployment on Vercel & AWS.
// SKILLS
What I Bring to the Table
I don't just write code. I solve problems, design systems, and deliver results.
Problem Solving
CoreBreaking complex business challenges into scalable technical solutions
System Design
CoreArchitecting distributed systems that handle millions in transactions
Microservices
CoreBuilding modular, independently deployable services for fintech scale
Vue.js / React
FrontendBuilding responsive, data-driven frontends for complex dashboards
Node.js / Laravel
BackendHigh-performance backend systems powering payment platforms
PostgreSQL / MySQL
BackendDesigning databases optimized for high-volume financial data
RESTful APIs
BackendDesigning clean, scalable APIs integrating 1,800+ banks and services
AI / ML
AIBuilding AI agents with Whisper, Groq LLM, and real-time automation
AWS / Docker
DevOpsCloud deployment, containerization, and production infrastructure
Blockchain
SpecializationCrypto wallets, NFT platforms, and chargeback solutions
// PROCESS
My Simple & Smart Process
A streamlined workflow to take your project from idea to launch.
Discovery & Planning
Understanding your goals, requirements, and target audience to create a solid project roadmap.
Design & Architecture
Designing the system architecture, database schema, and UI/UX for optimal performance.
Development & Testing
Writing clean, tested code with regular updates and progress demos along the way.
Deployment & Support
Launching your project and providing ongoing maintenance and support as needed.
// PROJECTS
Success Stories to Inspire
Click any project to explore the full story.
YouTube Engine
Full-Stack Developer
A full-stack SaaS platform that automates end-to-end faceless YouTube video production. The system manages multiple YouTube channels, each with custom settings for voice, tone, and video style. It scans competitor channels to discover viral topics, generates AI-powered scripts using Groq LLM, produces high-quality voiceovers with Microsoft Edge TTS, downloads relevant B-roll footage from Pexels, and assembles polished final videos complete with word-by-word karaoke subtitles and background music using FFmpeg. For cartoon-style content, the platform integrates Remotion (React-based video composition) with AI-generated images via Replicate Flux models, including character reference support for visual consistency across scenes. The platform features real-time progress tracking, scheduled auto-publishing, YouTube Shorts/Reels creation, and a premium dark-mode UI.
Open Banking Platform
Backend Developer
A merchant-centric fintech ecosystem facilitating instant payouts and payins with multi-brand support under a single merchant account. Built scalable APIs integrating with 1,800+ European banks, enabling seamless multi-bank connectivity and high-volume fintech operations. The system features modular multi-tenant backend supporting 10+ client banks, optimized workflows reducing latency by 30%, and comprehensive back-office panels for admins and merchants to track transactions, generate reports, and manage accounts.
Payment Gateway
Full-Stack Developer
A custom-built payment gateway solution with real-time fraud detection powered by a machine-learning scoring algorithm. The platform provides self-hosted payment processing for merchants, removing dependency on third-party gateways. Features include automated accounting reconciliation, transaction tracking from the back office, integration with multiple payment service providers (Intergiro, WebCheque), and JWT-based authentication with OTP email verification for enhanced security.
Fintech Back Office
Full-Stack Developer
A transformed payment solution (v2.0) providing instant top-ups for mobile application users, remittance flows integrated with FSB bank for instant dollar settlements, and open banking APIs connecting 200+ banks worldwide. The system supports B2B and B2C flows with hierarchical brand management, allowing multiple brands under one merchant. Features include bulk CSV transaction processing, monthly invoicing, ELK stack log monitoring, and Google 2FA authentication with session timeout security.
Accounting & Chargeback Solution
Full-Stack Developer
A next-gen merchant reporting (MR 2.0) software built for payment aggregators to onboard merchants, agents, and service providers. Handles 50K+ transactions monthly with automated reconciliation that reduced manual effort by 50%. Features dynamic reporting with customizable invoice fields, a data center for managing multiple payment gateway integrations, interactive dashboards providing financial insights for 200+ merchants, and a webshop where companies can connect third-party applications like Xero for seamless accounting.
Blockchain Crypto Wallet
Backend Developer
A blockchain gateway allowing merchants to send, receive, and hold cryptocurrencies with support for BTC, ETH, and 15+ tokens. The platform enables crypto purchases from Quickbit Quantoz and selling through Celoxo back to Nexus. Developed an innovative chargeback solution powered by NFT Flow that reduced transaction delivery time from 5-6 minutes to under 1 minute with a 99% success rate. Features include rate limiting, Slack webhook integrations for monitoring, and comprehensive API request logging.
Crypto & NFT Payment Platform
Backend Developer
A unified platform enabling users to buy cryptocurrency or NFTs with fiat currency, while merchants can receive payments in both crypto and fiat seamlessly. Users can convert fiat to crypto/NFTs directly into their wallets or send payments to merchants via an iframe integration. The platform includes a responsive landing page, user portal, and merchant back-office with role-based access control. Features a real-time crypto/NFT converter, secure OTP login, KYC verification via Scrive and BankID (FTN, NO, SE), and payment processing through CardEye with automated email receipts.
NFT Marketplace Platform
Backend Developer
A service-based API platform serving as the umbrella backend for multiple NFT reseller brands. The modular architecture allows each affiliate to configure endpoints independently, creating a completely generic and adaptable framework. Resellers can fetch NFTs, manage collections, and facilitate purchases using Fiat currency. Integrated with MagicEden and OpenSea for NFT sourcing, Scrive and Alice for KYC verification, and Elliptic for blockchain compliance. Features Slack webhook alerts, comprehensive activity logging, and web server monitoring via Nginx.
AI Medical Prescription Agent
Full-Stack Developer
An intelligent AI agent designed for healthcare professionals that listens to real-time conversations between doctors and patients using advanced speech-to-text technology (OpenAI Whisper). The agent processes the conversation in real-time and automatically generates complete medical prescriptions including medications with dosages, recommended exercises, lifestyle activities, dietary suggestions, and follow-up instructions. Eliminates manual note-taking during consultations, reduces prescription errors, and allows doctors to focus entirely on patient care while the AI handles documentation.
AI Trading Analysis Agent
Full-Stack Developer
A Chrome extension powered by AI that provides real-time trading analysis and investment suggestions directly in the browser. The agent analyzes candlestick patterns, chart movements, volume indicators, and market trends to recommend optimal entry and exit points. Features include automated investment execution based on AI signals, withdrawal timing alerts, portfolio performance tracking, and smart notifications for market opportunities. Helps traders make data-driven decisions with confidence by combining technical analysis with machine learning predictions.
// TECH STACK
Seamless Integrations
Technologies I work with daily to build robust applications.
// TESTIMONIALS
Trusted by Clients
What my clients say about working with me.
“
Zaheer delivered an outstanding web application that exceeded our expectations. Clean code, on time, and great communication throughout.
“
Working with Zaheer was a fantastic experience. He understood our requirements perfectly and built exactly what we needed.
“
Highly skilled developer with a keen eye for detail. The final product was polished, fast, and user-friendly.
// HIRE ME
Flexible Plans for Everyone
Choose the plan that fits your project needs.
Basic
Perfect for small projects and quick fixes
$50
- ✓Single page website
- ✓Responsive design
- ✓Basic SEO setup
- ✓1 revision round
- ✓3-day delivery
Standard
Ideal for full websites and web applications
$90
- ✓Multi-page website or web app
- ✓Custom design & animations
- ✓Database integration
- ✓API development
- ✓3 revision rounds
- ✓7-day delivery
Custom
For complex enterprise-level projects
Custom
- ✓Full-stack application
- ✓Complex integrations
- ✓Performance optimization
- ✓Ongoing maintenance
- ✓Unlimited revisions
- ✓Dedicated support
// FAQ
Frequently Asked Questions
Common questions about working with me.
// WHY ME
Why Choose Me Over Others
- ✓Clean, maintainable code following best practices
- ✓On-time delivery with regular progress updates
- ✓Clear communication throughout the project
- ✓Post-launch support and maintenance
- ✓Modern tech stack for future-proof solutions
- ✓Performance-optimized applications
5+
Years Experience
10+
Fintech Projects Delivered
// ABOUT
Get to Know Me
Zaheer Ul Hassan
Results-driven Sr. Software Engineer with over 5 years of professional experience in the fintech industry. I specialize in designing and developing scalable, high-performance applications using Vue.js, Node.js, and Laravel. From intuitive front-end interfaces to robust back-end systems and complex business workflows.
I've built payment platforms processing millions in transactions, architected microservices handling 20K+ daily operations, and integrated with 1,800+ European banks. Recently exploring AI with projects in healthcare automation and trading analysis. Passionate about solving complex problems and delivering real business value.
Education: Graduation 2020
Location: Pakistan
Interests: Blockchain, AI, Web3, Innovation