Phidel Onyango

Phidel Onyango

Software Engineer · Nairobi, Kenya

Building reliable software for real users. From desktop applications with 30,000+ active users to e-commerce platforms handling 1M+ products. Three years of shipping production code in TypeScript, Python, React, Next.js, FastAPI, and Flutter, backed by Docker, Kubernetes, and cloud infrastructure on GCP and Azure.

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Chapter II

Experience

Brand2D

Software Engineer

Oct 2025 - Present

  • Building Centonomy Tools, a financial management suite
  • Architected FastAPI backend for expense tracking, budgeting, and balance sheets
  • Integrated React + Zustand frontend, ported to mobile via Capacitor
  • Embedded AI to categorize financial data from SMS, reducing manual work by ~50%
FastAPIPythonZustandReactCapacitorDocker

Nafuu Inc.

Lead Software Developer

Jun 2023 - Dec 2024

  • Led development of Nafuu, a production-scale e-commerce aggregator
  • Designed modular FastAPI backend for 1M+ SKUs across Jumia, Jiji, and Kilimall
  • Built payment microservices supporting MPESA, cards, and Stripe
  • Deployed on GCP with Docker, Kubernetes, and Redis
FastAPIPythonFlutter

ALMI Group

Fullstack Developer

Jan 2022 - May 2023

  • Built a health-tech platform for appointment booking and medical records
  • Achieved 99.9% uptime with event-driven architecture on Azure
  • Implemented real-time patient notifications
  • Cut API response times by 30% through data pipeline optimization
Next.jsFastAPIZustandAzureDocker
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Chapter IV

Education & Skills

University of Nairobi

BSc Computer Science, Second Class Upper Division

Sep 2021 - May 2025

Maseno School

KCSE, A- (80 points)

Jan 2017 - May 2020

Technical Skills

Languages Python, TypeScript, JavaScript, Go, Dart
Frontend & Mobile React, Next.js, Svelte, Flutter, TailwindCSS, Capacitor
Backend FastAPI, Flask, SQLAlchemy, Prisma, PostgreSQL
Cloud & DevOps Docker, Kubernetes, GitHub Actions, GCP, Azure, Hetzner

Soft Skills

  • Communication - translating technical concepts into actionable insights for cross-functional teams and stakeholders
  • Detail-oriented - strong focus on accuracy, edge cases, and reliability across code, data workflows, and system behavior
  • Problem solver - debugging complex systems, optimizing performance bottlenecks, and designing practical solutions under tight constraints
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Chapter V

Contact

Open to opportunities, collaborations, and interesting conversations.

© 2026 Phidel Onyango

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