Full-Stack Web Developer
I build, improve and maintain modern web applications using Next.js, React, TypeScript and JavaScript.
My work includes responsive interfaces, APIs, PostgreSQL databases, authentication, custom CMS and admin systems, performance optimization, SEO, bug fixing and production deployment.
I'm currently available for freelance work, including small projects, urgent fixes, website improvements and ongoing development support.
About Me
I'm Ivan Souza, a full-stack web developer focused on building practical, modern and production-ready web applications. I work primarily with Next.js, React, TypeScript and JavaScript, with experience across frontend development, backend integration, databases and deployment.
My main project is NIRYK Games, a complete gaming media and technology platform that I developed across its full stack. The project gave me hands-on experience solving real development challenges involving application architecture, content management, APIs, databases, authentication, responsive design, performance and production deployment.
What I Can Help With
Bug Fixes — Fixing errors, broken functionality and unexpected website behavior.
Website Updates — Updating content, layouts, components and existing features.
Responsive Design — Fixing mobile, tablet and desktop layout issues.
Next.js & React Development — Building and improving pages, components and application features.
TypeScript & JavaScript — Implementing functionality and troubleshooting code issues.
Supabase & PostgreSQL — Database integration, authentication, storage and application data.
API Integration — Connecting frontend applications with APIs and backend services.
Performance & SEO — Improving website performance, technical SEO and overall web experience.
Vercel Deployment — Deployment configuration, production issues and website launches.
Small Features & Maintenance — Adding functionality and maintaining existing web applications.
Small tasks and urgent fixes are welcome. If you have an existing website with a specific problem, I can review the issue and determine the best way to solve it.
Featured Project — NIRYK Games
NIRYK Games is a production-ready gaming media and technology platform built with Next.js, React, TypeScript, Supabase and PostgreSQL.
I worked across the platform's development lifecycle, from frontend interfaces and responsive design to backend integrations, database architecture, content management systems, APIs, authentication, performance optimization and production deployment.
The platform includes:
Custom Editorial CMS — Management and publishing workflows for news, reviews and guides.
Games Database — Structured game profiles with platforms, genres, release information, media, system requirements and technical specifications.
Admin Dashboard — Centralized management tools for content, games, media and platform settings.
Rich Text Editor & Media Library — Tools for creating formatted content and managing visual assets.
NIRYK AI & Intelligence Layer — Integrated AI architecture with an AI Command Center, editorial and SEO assistance, Review, Guide and Game assistants, Quality Score, Fact Check, Content Graph and Release Radar. The system uses a multi-provider architecture designed to support different AI providers and models while keeping the platform's AI features centralized and configurable.
Advertising Management — Built-in tools for managing commercial placements and advertising.
Authentication & Database Integration — Supabase-powered authentication, PostgreSQL data and storage integration.
Responsive Frontend — Interfaces designed for desktop, tablet and mobile devices.
SEO & Performance — Technical SEO, metadata, structured content and production performance optimization.
Production Deployment — Deployed and running on Vercel with a custom domain.
Technologies & Tools
Frontend: Next.js, React, TypeScript, JavaScript, HTML, CSS, Tailwind CSS
Backend & Data: Supabase, PostgreSQL, REST APIs, Authentication, Storage
Development: Git, GitHub, VS Code, npm
Deployment & Web: Vercel, Custom Domains, DNS, Technical SEO, Performance Optimization
Content & Platform: Tiptap, Custom CMS, Media Management, Admin Systems
AI Integration: Multi-provider AI architecture, Gemini integration, AI-assisted workflows and custom AI features.
Availability & Contact
I'm currently available for freelance web development work and can start on new tasks immediately.
I'm especially interested in small and medium-sized projects, bug fixes, website updates, responsive issues, performance improvements, deployments and new features for existing applications.
If you have a specific issue, send me a description of the problem and, when possible, screenshots, error messages or relevant project details. I can review the request and discuss the scope before starting.
Available for remote freelance work worldwide.
Contact: ivansouza43@gmail.com
