Elijah Mathai
Elijah Mathai, full-stack product engineer

Elijah Mathai · Full-stack product engineer

I build clear digital products, from interface to intelligence.

A designer’s eye, backend depth, and practical AI.

Explore work GitHub
Product designFrontendBackendAI systems

How I work

From intent to shipped interface.

Move through the prototype.

Interactive prototype 03 / 03
01Intent
02Action
03Feedback
product.surface
FlowStateFeedbackSystem

Evolution

  1. 01Visual design
  2. 02Product engineering
  3. 03AI systems

Selected work

Selected work.

Six products. Distinct domains.

01 · AI systems Python · Retrieval · Graph context

Hybrid RAG Engine

Hybrid search, graph context, and grounded AI answers.

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User query
Semantic index Meaning + relevance
Graph context Entities + relationships
Grounded context package
02 · Full-stack product External APIs · State · Responsive UI

Anime Tracker

External data, personal progress, and real-time state.

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Watching now 12 synced
Progress state Episode 08 of 12
Source data User state UI sync
03 · Product design + data Next.js · Prisma · Structured content

Reflection Hub

A calm journaling surface backed by structured persistence.

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APR · 22

What moved forward today?

Private by design Saved

More range

Built beyond one lane.

Accessible components, visual systems, and digital commerce.

04 · Accessible systems

Anatomy UI

Headless UI primitives with keyboard and focus behavior built in.
05 · Visual systems

Bento Grid

Responsive rhythm and layout.
06 · Digital commerce

Ecommerce Website

From product discovery to checkout.

Stack

Built across the stack.

01

Product design

Flows · Prototypes · Systems

02

Frontend engineering

Next.js · React · CSS

03

Backend architecture

FastAPI · Flask · SQL

04

AI integration

RAG · Vectors · Graphs

Writing

Notes from the work.

Architecture, interfaces, and performance.

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Start a conversation

Let’s build something clear.

Open to product roles and ambitious collaborations.

iamngunjiri@gmail.com LinkedIn ↗

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