**Full-Stack SaaS Developer | Custom Business Applications** I specialize in building complete web applications from concept to deployment, with expertise in creating custom business solutions that integrate multiple systems and workflows. **Recent Project:** Developed a comprehensive job search platform featuring user authentication, ATS-optimized resume generation, job tracking, application matching algorithms, and multi-user dashboards - delivered in 20 days using modern development practices. **Technical Capabilities:** • Full-stack web development (Frontend + Backend) • Database design and management • User authentication and role-based access systems • Payment processing integration • API development and third-party integrations • Algorithm implementation for data matching and optimization • Responsive UI/UX design • Cloud deployment and hosting (Firebase, Vercel) **What I Build:** Custom business applications, user management systems, workflow automation tools, data processing platforms, and integrated multi-feature applications that solve specific business challenges. **Development Approach:** I focus on understanding your business requirements first, then building scalable solutions using modern technologies. Projects are delivered with clean, maintainable code and comprehensive functionality testing. Available for custom SaaS development projects ranging from $15K-50K depending on scope and complexity.…

Ahnaf Arafat

**Full-Stack SaaS Developer | Custom Business Applications** I specialize in building complete web applications from concept to deployment, with expertise in creating custom business solutions that integrate multiple systems and workflows. **Recent Project:** Developed a comprehensive job search platform featuring user authentication, ATS-optimized resume generation, job tracking, application matching algorithms, and multi-user dashboards - delivered in 20 days using modern development practices. **Technical Capabilities:** • Full-stack web development (Frontend + Backend) • Database design and management • User authentication and role-based access systems • Payment processing integration • API development and third-party integrations • Algorithm implementation for data matching and optimization • Responsive UI/UX design • Cloud deployment and hosting (Firebase, Vercel) **What I Build:** Custom business applications, user management systems, workflow automation tools, data processing platforms, and integrated multi-feature applications that solve specific business challenges. **Development Approach:** I focus on understanding your business requirements first, then building scalable solutions using modern technologies. Projects are delivered with clean, maintainable code and comprehensive functionality testing. Available for custom SaaS development projects ranging from $15K-50K depending on scope and complexity.…

Available to hire

Full-Stack SaaS Developer | Custom Business Applications

I specialize in building complete web applications from concept to deployment, with expertise in creating custom business solutions that integrate multiple systems and workflows.

Recent Project: Developed a comprehensive job search platform featuring user authentication, ATS-optimized resume generation, job tracking, application matching algorithms, and multi-user dashboards - delivered in 20 days using modern development practices.

Technical Capabilities:
• Full-stack web development (Frontend + Backend)
• Database design and management
• User authentication and role-based access systems
• Payment processing integration
• API development and third-party integrations
• Algorithm implementation for data matching and optimization
• Responsive UI/UX design
• Cloud deployment and hosting (Firebase, Vercel)

What I Build:
Custom business applications, user management systems, workflow automation tools, data processing platforms, and integrated multi-feature applications that solve specific business challenges.

Development Approach:
I focus on understanding your business requirements first, then building scalable solutions using modern technologies. Projects are delivered with clean, maintainable code and comprehensive functionality testing.

Available for custom SaaS development projects ranging from $15K-50K depending on scope and complexity.

See more

Skills

Experience Level

Github
Expert
JavaScript
Expert
Python
Expert
React JS
Expert
Node.js
Expert
HTML5
Expert
API
Expert
CSS
Expert

Language

English
Advanced

Work Experience

Back End Developer at Self-employed
April 1, 2025 - July 30, 2025
Independently built and delivered five production-ready backend systems to simulate real client trial tasks and strengthen global job readiness. Each project was crafted to follow industry standards in API design, scalability, modular architecture, and documentation. Focused on clean, well-tested code with real-world use cases in job marketplaces, e-commerce, SaaS billing, and more. Projects included Freelance Marketplace API, Job Board API, Job Finder Web App, E-Commerce Backend, and SaaS Billing API System using Django, DRF, Flask, and FastAPI.

Education

High School Diploma at Monipur High School & College
February 1, 2015 - May 31, 2020

Qualifications

CS50’s Introduction to Programming with Python
March 20, 2025 - April 4, 2025

Industry Experience

Software & Internet, Professional Services
    paper Complete Job Search Platform - Multi-Feature SaaS Application

    Built a comprehensive web application that combines multiple job search tools into a single platform. The system includes user authentication, resume optimization algorithms, job application tracking, and automated matching functionality.
    Key Features Developed:

    User registration and authentication system with role-based access
    Resume generation tool with ATS optimization algorithms
    Job application tracking dashboard with status management
    Job matching system that analyzes user profiles against job requirements
    Cover letter generation with customization options
    Analytics integration for user behavior tracking
    Responsive design optimized for desktop and mobile devices

    Technical Implementation:

    Built using modern JavaScript frameworks and Firebase backend
    Implemented complex database relationships for user data, job listings, and application history
    Integrated third-party APIs for job data and optimization scoring
    Deployed on cloud infrastructure with automated scaling capabilities

    Project Scope:
    Full-stack development including database design, API development, frontend implementation, and deployment. Delivered a production-ready application with multiple integrated systems and user workflows.

    Live Link: https://www.twine.net/signin

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