Full-Stack Software Engineer & Mobile Developer

Linda Welcome Nyawuza

Building scalable web, mobile, and backend systems that turn ideas into real products.

50+
Projects
30+
Clients
5+
Years
Linda Welcome Nyawuza

Tech Stack

Next.jsReactReact NativeNode.jsExpressMongoDBFirebaseMySQLPostgreSQLREST APIsGraphQLTypeScriptTailwind CSSJWT AuthVercelAWSExpo

Featured Work

Building impactful products for startups and enterprises

E-Commerce Web Application

Problem: Client needed online store with secure payments
Solution: Built full-stack marketplace with Stripe integration and inventory management
Next.jsNode.jsMongoDBStripe API
Launched in 8 weeks, secure checkout, mobile-responsive

Mobile Fitness Tracker

Problem: Users needed cross-platform workout tracking app
Solution: Developed React Native app with Firebase backend and offline sync
React NativeExpoFirebaseiOS/Android
Published to both App Stores, 4.7★ rating

Authentication API System

Problem: Startup required secure backend with user management
Solution: Built scalable REST API with JWT authentication and role-based access
Node.jsExpressMongoDBJWT
Handles 50K+ users, 99.9% uptime, secure & scalable

Services

End-to-end development solutions for your business

Full-stack Web App Development

Complete applications from frontend to backend with deployment

  • React/Next.js UI
  • Node.js APIs
  • Database integration

Mobile App Development

Cross-platform mobile apps with React Native and Expo

  • iOS & Android
  • App Store deployment
  • Backend integration

Backend Development & APIs

Scalable backend systems with REST and GraphQL APIs

  • JWT authentication
  • Database design
  • Cloud deployment

Bug Fixing & Consulting

Fix broken systems and improve existing applications

  • Debugging
  • Performance optimization
  • System improvements

How I Work

A proven process that delivers results

01

Discovery

Understanding your goals, requirements, and target audience to create the perfect roadmap

02

Build

Agile development with regular updates, code reviews, and iterative improvements

03

Launch

Deployment, testing, monitoring, and ongoing support to ensure success

Client Success Stories

What clients say about working together

Linda delivered a fully functional web app ahead of schedule. Her technical expertise and communication made the entire process smooth.

Sarah Thompson
Startup Founder

Exceptional work on our mobile app. Linda handled both iOS and Android deployment flawlessly. Highly professional!

Michael Johnson
Business Owner

Migrated our legacy system to modern tech stack without any downtime. Linda's problem-solving skills are outstanding!

Emily Rodriguez
Product Manager
Trusted by clients worldwide
Professional development services
Quality guaranteed
98%
Client Satisfaction
100%
On-Time Delivery
50+
Projects Launched
Linda Welcome Nyawuza

About Me

I'm Linda Welcome Nyawuza, a Full-Stack Software Engineer and Mobile Developer with over 5 years of experience building scalable web, mobile, and backend systems.

I specialize in creating production-ready applications using modern technologies like Next.js, React Native, Node.js, and various database systems. My focus is on delivering clean, maintainable code that scales with your business.

From MVP development to enterprise-level systems, I've helped startups and established businesses turn their ideas into reality. Every project I work on receives the same level of dedication and professional quality.

5+ Years Experience
50+ Projects Delivered
30+ Happy Clients

Start Your Project Today

Have an idea? Let's build it together.

Turn your vision into a production-ready web or mobile application

Existing client? Access your project dashboard