I’m a Full-Stack Software Developer specializing in web and mobile app development for clients across the globe. I design and build high-performance, scalable, and secure digital solutions using Next.js, React Native, Node.js,Spring Boot, and PostgreSQL. My focus is on helping businesses grow through fast, responsive websites, powerful REST APIs, and seamless user experiences. I’ve successfully delivered projects for brands like daves.co.ke and many international clients through remote collaboration. Whether you need a custom website, a cross-platform mobile app, or an enterprise-grade backend system — I can help you bring your vision to life. Let’s build something amazing together.

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Joseph Mutunga, Global Full-Stack Developer

💼 Professional Experience

A timeline of my professional and hands-on software development journey — combining remote projects, internships, and real-world learning experiences.

Freelance Software Developer (Remote)

Online & Referral Clients

2024 – Present

Working remotely with global clients and referrals to design and build modern web and mobile applications. Focused on full-stack development using Next.js, React Native, Node.js, and Spring Boot. Specialized in API integrations, secure payment systems, and deployment best practices.

Software Development Intern

Credit Bank Kenya

July 2024 – Jan 2025

Assisted in developing and maintaining backend services for digital banking systems. Gained hands-on experience with RESTful APIs, payment gateways, and internal integrations for banking operations using Java (Spring Boot) and Node.js.

Software Developer (Attachment)

Young Muslim Association

June 2023 – August 2023

Developed and maintained organizational websites, improving accessibility and content management. Contributed to full-stack web development projects while collaborating with the IT team to enhance user engagement.

Joseph Mutunga Working on Global Projects

Technologies I Master

I specialize in turning ideas into reality, delivering custom solutions that boost sales, streamline operations, or empower teams, for businesses worldwide.

  • JavaScript / TypeScript
  • React, React Native
  • Next.js
  • Node.js, Express
  • Spring Boot (Java)
  • PostgreSQL & SQL DB Design
  • Tailwind CSS
  • Python for Data Visualization
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