Available for projects

Hi, I'm Preston Mayieka

A Senior Software Engineer
From Kenya 🇰🇪

Real-world Results

Featured Projects

Explore impactful projects that delivered real-world value.

Nexus AI - Chat with your Docs

Solo Project • 2025

Nexus AI - Chat with your Docs


  • A SaaS Application that allows you to securely store your Documents and chat with them
  • Uses Langchain, Pinecone and Groq for embeddings.
  • Uses Paystack for Pricing and Subscriptions
Ajira365

Personal Project • 2025

Ajira365


  • #1 Career-readiness platform for Students & Young Professionals.
  • Conduct AI-powered mock interviews to stay on top
  • Compete and get ranked in Global Leaderboards
FlowLens - VS Code Context Manager

Solo Project • 2025

FlowLens - VS Code Context Manager


  • Privacy-first VS Code extension that captures and restores coding sessions instantly
  • Automatically tracks open files, tabs, terminal commands, and cursor positions
  • 100% local storage - no code ever leaves your device
  • 94+ developers already using it to reclaim their focus

Happy Clients

What Clients Say About Me

Don't just take my word for it. See what my clients have to say about my work.

David Mugoma's avatar
David Mugoma
Software Developer

Working with Preston was a pleasure. He is one of the few Software Engineers who can fix PC-Related issues.

Emmanuel Shikuku's avatar
Emmanuel Shikuku
CEO @ Calatech

Whether he's diving into frontend frameworks or backend technologies, Preston's ability to innovate and adapt is remarkable.

Benard Oloo's avatar
Benard Oloo
ICT Director @ KPLC

During his industrial attachment, he adapted quickly and actively participated in maintaining data networks. His dedication and learning speed were impressive.

David Mugoma's avatar
David Mugoma
Software Developer

Working with Preston was a pleasure. He is one of the few Software Engineers who can fix PC-Related issues.

Emmanuel Shikuku's avatar
Emmanuel Shikuku
CEO @ Calatech

Whether he's diving into frontend frameworks or backend technologies, Preston's ability to innovate and adapt is remarkable.

Benard Oloo's avatar
Benard Oloo
ICT Director @ KPLC

During his industrial attachment, he adapted quickly and actively participated in maintaining data networks. His dedication and learning speed were impressive.

Feel free to reach out

Contact Me

Let's connect!

prestonnyamweya@gmail.com
+254 799 078 848