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Nairobi, KenyaOpen-source contributor

Brian KinyuaMwangi

Software engineer building applied AI products and dependable systems.

Computer Science student at JKUAT. I build for real-world constraints: low connectivity, phone-first workflows, and systems that know when not to act.

Explore my workGet in touch
Brian Kinyua Mwangi

selected work

Products built for real constraints

I work across web products, applied AI, and dependable systems, usually where unreliable connectivity, consequential automation, or fragmented information make the engineering interesting.

01

Open source · CALL-EMerged upstream

SpareScout

Approval-gated AI phone agent for vehicle-parts sourcing

Created SpareScout and took it through security review to an upstream merge in CALL-E's MIT-licensed phone-agent ecosystem. It coordinates supplier calls and turns fragmented conversations into comparable, evidence-backed quotes.

Live productSourceMerged PR

What shipped

  1. 01Merged upstream as a 71-file open-source contribution
  2. 02Operator authorization and recipient allowlisting
  3. 03Idempotent execution, durable history, and privacy safeguards
TypeScriptReactCALL-ECloudflare D1AI Agents

02

Featured product · Alpaca hackathon

VolGuard AI

Risk-governed options research and paper-trading agent

A personal day-trading research and learning system built for the Alpaca AI Trading Agents Hackathon. VolGuard evaluates real option-market data, explains every decision, and abstains when market, data-quality, liquidity, or edge checks fail.

Public release coming soon

What shipped

  1. 01Real SPY, QQQ, IWM, and GLD option intelligence
  2. 02Twelve deterministic portfolio-risk gates
  3. 03Paper-only execution boundary and append-only scan evidence
TypeScriptReactAlpacaOptionsRisk SystemsCloudflare D1

03

Featured product · Care operations

AuraCare

Bilingual inventory and fulfillment PWA for adult family homes

A multi-tenant stock system designed around the daily realities of caregivers, managers, and owners. AuraCare makes counting fast on shared devices while preserving strict home-level access, signed fulfillment history, and reliable stock reconciliation.

Private product rollout

What shipped

  1. 01English and Kiswahili role-aware workflows
  2. 02Caregiver request → manager dispatch → confirmed receipt
  3. 03Supabase RLS, immutable audit history, and atomic stock updates
TypeScriptReactPWASupabasePostgreSQLTailwind CSS

04

Featured product · Education

Campus Events

Event discovery and organizer tooling for Kenyan universities

A web platform that helps students discover campus events while giving organizers a focused dashboard for publishing and managing event information.

Live productSource

What shipped

  1. 01React and TypeScript event-discovery experience
  2. 02Supabase and PostgreSQL data workflows
  3. 03Optimized queries reduced dashboard load times by 40%
ReactTypeScriptSupabasePostgreSQL

hackathons

Built under pressure

Hackathons are where I test ambitious ideas quickly, work across disciplines, and turn constraints into a working product.

Alpaca AI Trading Agents Hackathon

VolGuard AI

Options intelligence and risk-governed paper trading

Built an auditable agent that combines volatility signals with deterministic risk controls and explicit abstention.

Kenya AI Challenge

AfracaNet AI

Alternative credit scoring for rural farmers

Designed an offline, bilingual USSD and SMS workflow with graph-based underwriting and explainable AI for human review.

Startup School Kenya · Assistive Tech Innovation Hackathon at JKUAT

SmartTrack

Second place

Led the development of assistive technology for visually impaired runners using a native Android client, computer vision, lane-drift detection, and haptic feedback.

experience

Where I've worked

Game Developer Intern

JHUB Africa · Juja, Kenya

May 2025 – Sep 2025

  • Engineered mobile gaming experiences using Unity Engine and C#
  • Optimized rendering and memory usage, improving frame rates by 25% on low-end Android devices
  • Collaborated across disciplines to build responsive interfaces for varied screen sizes

Full Stack Web Developer

Birble AI · Remote

Sep 2023 – Jan 2024

  • Led end-to-end development of a custom NFT marketplace
  • Turned approved Figma prototypes into a responsive React interface
  • Designed REST APIs and integrated MongoDB for more than 10,000 assets

toolkit

What I build with

Languages

  • TypeScript
  • Python
  • SQL
  • Java
  • Kotlin
  • C#

Product engineering

  • React
  • Next.js
  • PWA
  • Tailwind CSS
  • Accessible UI

Backend & data

  • FastAPI
  • Node.js
  • Supabase
  • PostgreSQL
  • MongoDB
  • Neo4j

AI & systems

  • CALL-E
  • Alpaca API
  • Computer Vision
  • Agentic Workflows
  • Docker
  • Git

contact

Let's talk

Open to opportunities, collaborations, or just a conversation. Reach out however works best for you.

Email

briankinyua0101@gmail.com

GitHub

Brikita

LinkedIn

briankinyua

Phone

+254 729 593 106