Full-Stack Engineer with 4+ years of experience building scalable web applications and AI-powered systems.
Specialized in TypeScript, Next.js, Node.js, and distributed architectures using Redis, RabbitMQ, and modern cloud tooling.
Founder of FraudLens AI, a fraud detection platform leveraging vector search and LLM-based transaction analysis.
Web Development
TypeScript
PostgreSQL
CSS
Git
JavaScript
MongoDB
React
Node.js
HTML
Bootstrap
Figma
API
Firebase
NodeJS Framework
Next.js
AI Development
Socket.io
Tailwind CSS
System Deployment
Mugiraneza J.
Kigali, Rwanda
$15/hr
4.5
4 jobs
I am a full-stack Ruby on Rails developer with extensive experience with more than 5 years of working experience in a wide variety of business areas, including healthcare, real estate, cloud automation, and more. I write clean, modular, well-documented code with security and scalability in mind and help create simple, friendly, accessible user interfaces.
My main passion is to build clean, robust software that solves the problem of users.
I have good skills in API design, complex client/server interaction, and a well-tested codebase. I also have experience in UX, product, and project management, and I know how to be a part of a good team and how to be a leader as well.
If you are looking for someone experienced and can do anything to make your business successful, you probably are looking for me.
==== My good skill set ====
* Ruby/Ruby on Rails
* PostgreSQL, MongoDB, Redis, DynamoDB, RethinkDB
* jQuery, CoffeeScript, SASS, Twitter Bootstrap
* ReactJS/Node Js/Next Js/Typescript
* HTML5, CSS3, JavaScript (ES6)
* TDD: RSpec, MiniTest
* Heroku, AWS EC2, DigitalOcean, OpenShift
* Data Crawling/API Developing
* Git, DevOps, Docker
* Shopify Apps
GraphQL
React Native
Node.js
Next.js
JavaScript
CSS
Ruby on Rails
Flutter
Spring Boot
Heroku
React
NestJS
ExpressJS
Munezero H.
Kigali, Rwanda
$30/hr
5.0
1 jobs
Good Morning/Evening!
Portfolio: munezero.dev (Software Developer)
My name is Henriette, I'm a Frontend Developer with 4 years of experience. I specialize in turning Figma designs into clean, responsive websites and intuitive user interfaces on any platform I work on.
I will help you with your front-end development needs. My work includes implementing design systems and detailed user flows with necessary states, ensuring a seamless and responsive experience.
I create reusable components from Figma designs, ensuring that the codebase is maintainable and scalable. This includes:
- Converting design elements into reusable React components
- Ensuring consistent styling using TailwindCSS
- Implementing responsive design principles to ensure the application works seamlessly across different devices
- Integrating with Next.js for server-side rendering and optimized performance
- Utilizing TypeScript for type safety and better code quality
I master making websites responsive using TailwindCSS, React, Next.js, TypeScript, and JavaScript.
Let me know if you have any further questions, I will be happy to answer them. Thanks!
Front-End Development
React
Next.js
Tailwind CSS
Agile Software Development
CSS
JavaScript
Figma
TypeScript
Node.js
React Native
PostgreSQL
OpenAI API
MetaMask
Reactive Programming
Chance D.
Kigali, Rwanda
$26/hr
4.8
16 jobs
I'm a Senior Full-Stack TypeScript Engineer specializing in building scalable SaaS platforms, multi-tenant dashboards, and AI-powered web applications with Next.js, Node.js, PostgreSQL, and Supabase.
Over the past 7+ years I've helped startups and growing companies deliver production systems used by thousands of users, with $45k+ earned and 2,000+ hours completed on Upwork.
My recent work includes multi-tenant dashboards, AI platforms, financial systems, and enterprise applications where performance, maintainability, and data integrity matter.
I’m a Senior Engineer with a strong Full-Stack | React & Next.js | SaaS | Dashboard & AI focus,
⭐ Top Rated on Upwork, with 7+ years of experience, $45K+ earned, and 2,000+ hours delivered across long-term contracts. I’ve spent years building Full-Stack | React & Next.js | SaaS | Dashboard & AI solutions used by real businesses at scale.
🧠 What I Do (Full-Stack | React & Next.js | SaaS | Dashboard & AI)
My core expertise sits at the intersection of Full-Stack | React & Next.js | SaaS | Dashboard & AI, where product, UX, and engineering meet.
I help teams:
✅ Build Full-Stack | React & Next.js | SaaS | Dashboard & AI applications from idea to production
📊 Develop scalable SaaS dashboards using React & Next.js
🏗️ Design clean, maintainable Frontend architectures for SaaS products
📈 Create data-heavy dashboards and admin panels with excellent performance
🤖 Integrate AI-powered features into Full-Stack | React & Next.js | SaaS | Dashboard & AI products
⚡ Move fast from concept to prototype in Full-Stack | React & Next.js | SaaS | Dashboard & AI, then harden systems for production
Rather than just shipping features, I focus on building Full-Stack | React & Next.js | SaaS | Dashboard & AI systems that support long-term growth.
🛠️ Tech Stack for Full-Stack | React & Next.js | SaaS | Dashboard & AI
My daily work revolves around Full-Stack | React & Next.js | SaaS | Dashboard & AI development, using modern, production-proven tools.
🎨 Frontend
React, Next.js, TypeScript
Tailwind CSS & scalable component systems
Performance optimization for Full-Stack | React & Next.js | SaaS | Dashboard & AI
📊 SaaS & Dashboard Development
SaaS platforms & internal dashboards
Analytics dashboards, admin panels & role-based UIs
Complex state management for Full-Stack | React & Next.js | SaaS | Dashboard & AI
🤖 AI in Full-Stack Products
AI chat & assistant interfaces inside Full-Stack | React & Next.js | SaaS | Dashboard & AI
Workflow automation & intelligent UI features
OpenAI, LangChain, AWS Bedrock & Google Gemini
🔗 APIs & Integration
REST & GraphQL for Full-Stack | React & Next.js | SaaS | Dashboard & AI
Real-time data & interactive dashboards
☁️ Deployment & Optimization
Vercel & Netlify for Next.js SaaS products
SEO, Core Web Vitals & frontend performance tuning
⚙️ AI-Assisted Development
Cursor AI, GitHub Copilot, Lovable, v0
Faster iteration on Full-Stack | React & Next.js | SaaS | Dashboard & AI without sacrificing quality
🏆 Proven Experience in Full-Stack | React & Next.js | SaaS | Dashboard & AI
✔️ Delivered 20+ products across Full-Stack | React & Next.js | SaaS | Dashboard & AI
🌍 Built SaaS dashboards used by real customers globally
🤝 Collaborated with Andela, DabbleLab, FreeBeings & distributed startups
🔁 Trusted for long-term contracts focused on Full-Stack | React & Next.js | SaaS | Dashboard & AI
⭐ Client feedback consistently highlights:
Clean, scalable React & Next.js frontend code
Strong dashboard UX & performance
Reliability, communication & on-time delivery
🎯 I’m a Great Fit If…
You’re building or scaling a Full-Stack | React & Next.js | SaaS | Dashboard & AI product
You need someone who understands product + frontend architecture
You care about performance, scalability & maintainability
You want a long-term partner experienced in Full-Stack | React & Next.js | SaaS | Dashboard & AI
📩 If you’re looking for someone who understands Full-Stack | React & Next.js | SaaS | Dashboard & AI from both a business and technical perspective, I’d be happy to discuss your project.
TypeScript
Node.js
JavaScript
Web3
React
Next.js
Generative AI
Tailwind CSS
PostgreSQL
React Native
Blockchain
Python
Government & Public Sector
Supabase
GitHub
REST API
API Integration
Automated Deployment Pipeline
Vercel
Svelte
Alex K.
Kigali, Rwanda
$20/hr
5.0
2 jobs
I am a passionate Software and DevOps Engineer who holds a bachelor's degree in computer science. I am an open-minded person and enjoy continuous learning and thrive in a multicultural environment.
React
Next.js
Redux
PostgreSQL
MongoDB
Tailwind CSS
Material UI
NestJS
TypeScript
ExpressJS
Docker
Kubernetes
GraphQL
Redis
Linux
Uchechukwu E.
Kigali, Rwanda
$10/hr
4.0
1 jobs
I am a passionate Front-End Developer with years of experience developing Responsive Html websites.
I am very experienced in HTML, CSS, JAVASCRIPT, BOOTSTRAP, and WORDPRESS.
✔️I'm best in:
💎 Figma to HTML
💎 Sketch to HTML
💎 PSD to HTML
✔️My Skills:
💎 HTML
💎 CSS
💎 JAVASCRIPT
💎 JQUERY
💎 BOOTSTRAP
💎 WORDPRESS
💎 ANIMATIONS
I guaranteed you top-quality works
Thanks
Uchechukwu Ezeibe
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