e
eyasingh

Eyasin

@eyasingh

Building Secure Responsive Web Solutions

Bangladesh
English, Bengali
About me
Hi! I'm Eyasin, a Full-Stack & Mobile App Developer with 5+ years of experience building web applications, SaaS platforms, and mobile apps (iOS/Android). My Expertise: • Frontend: React, Next.js, TypeScript, Tailwind • Backend: Node.js, Python (Django/Flask), REST APIs • Mobile: Flutter, React Native • Database: PostgreSQL, MongoDB, Supabase • Security & AI: Web Security, AI Integration I deliver clean, secure, and high-performance solutions. Let's bring your ideas to life—contact me today!... Read more

Skills

e
eyasingh
Eyasin
Offline • 
Average response time: 1 hour

See my services

Custom Websites
I will build modern saas website or react web app
From$80 / projectMore details

Work experience

Self_Employed

​Full Stack Developer

Self Employed • Full-time

Jun 2021 - Present • 5 yrs 2 mos

As a Lead Full-Stack & Cross-Platform Software Engineer, I have successfully designed, architected, and deployed end-to-end digital solutions for diverse clients worldwide. My core expertise encompasses modern web development, scalable SaaS platforms, cross-platform mobile application development, and cutting-edge Artificial Intelligence (AI) integrations. Key Responsibilities & Technical Accomplishments: 1. Full-Stack Web & SaaS Application Development: - Designed and engineered high-converting SaaS platforms, custom web applications, and real-time administrative dashboards using React.js, Next.js, TypeScript, and Tailwind CSS. - Built secure, high-performance RESTful APIs and serverless backends utilizing Node.js, Express.js, Python (Django/Flask), and Supabase. - Integrated multi-tier payment solutions including Stripe Subscriptions and PayPal with custom webhook automation. 2. Mobile Application Development (Android & iOS): - Developed high-performance, responsive cross-platform mobile apps using Flutter and React Native. - Implemented clean architecture, state management (Redux, Provider, Bloc), offline data caching, and push notifications for seamless user experiences. 3. Database Management & Web Security: - Managed relational and non-relational database structures using PostgreSQL, MongoDB, and Supabase with optimized queries and indexing. - Implemented robust authentication systems using OAuth 2.0, NextAuth, Firebase Auth, and JWT. - Performed web application security testing, vulnerability assessments, and performance optimization for maximum speed and reliability. 4. AI Integration & Workflow Automation: - Created custom AI-driven workflows, intelligent chatbots, and automation tools using Python and modern LLM APIs. - Collaborated with global clients to translate complex business requirements into clean, maintainable, and scalable production code.