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Charles Nderitu

@charlesnderitu

Software Engineer building client applications in Kenya, including Rhea, an AI voice assistant with M-Pesa fraud detection.

Kenya

Message

As a Freelance Software Engineer, I design and deliver full-stack web and mobile applications for clients across Kenya, taking projects from discovery to deployment. My work includes Rhea, an Android AI voice assistant with real-time M-Pesa fraud detection, health scanning, and location intelligence.

Through Nexor — Personal & Product Projects, I build AI assistants using Groq API and develop TensorFlow predictive models and NLP pipelines. I also develop Android apps and Ethereum smart contracts, and I’m pursuing a BSc in Information Technology at Meru University of Science and Technology.

Experience

Work history, roles, and key accomplishments

Current

Android Developer

Current

Personal & Client Projects

Jan 2024 - Present (2 years 9 months)

Built and shipped multiple production Android apps using Kotlin and Jetpack Compose. Delivered GPS-based tools, AI assistants, agri-tech solutions, and property marketplace apps.

Kotlin Jetpack Compose MVVM Room DB Retrofit Firebase Android SDK

Current

Freelance Software Engineer

Current

Independent

Jan 2024 - Present (2 years 9 months)

Designing and delivering full-stack web and mobile applications for clients across Kenya. Managing complete project lifecycles from discovery to deployment, including property platforms, AI apps, and business websites.

React fastAPI Kotlin PostgreSQL Fullstack Development Project Management

Current

AI / ML Engineer

Current

Nexor

Jan 2024 - Present (2 years 9 months)

Building AI-powered Android assistants (Nova, Rhea) integrating Groq API for real-time NLP and conversational intelligence. Implemented TensorFlow-based predictive models and NLP pipelines for mobile and web platforms.

Groq API TensorFlow NLP fastAPI WebSockets Predictive Analytics

Current

Blockchain Developer

Current

Web3 Projects

Jan 2024 - Present (2 years 9 months)

Developing decentralised applications and smart contracts using Solidity and Hardhat on Ethereum. Built blockchain-based voting systems, DeFi platforms, and NFT marketplace prototypes.

Solidity Hardhat Ethereum Web3.js ERC20 ERC721 IPFS

Education

Degrees, certifications, and relevant coursework

Meru University of Science and Technology

Bachelor of Science, Information Technology

2024 -

Pursuing a Bachelor of Science in Information Technology, covering software engineering, computer networks, database systems, AI/ML, mobile development, and web technologies.