Open to opportunities · Nairobi, Kenya

Moses Gitau

Building scalable, user-centric systems.

8+ years experience building production systems that scale, from authentication SDKs used by millions at Microsoft to data pipelines, logistics platforms, and developer tools. I thrive at the intersection of engineering depth and real-world impact, crafting solutions that are as robust as they are user-centric.

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8+years of engineering experience

1M+enterprise users impacted

20+projects shipped

6+open source projects

WORKED WITH

1M+Active Users

Enterprise users authenticating via MSAL AndroidMSAL Android

400+Files Migrated to TypeScript

JavaScript to TypeScript migration across four phasesHoneycomb

16K+Installs

VS Code Marketplace installsMicrosoft Entra External ID Extension

5.0Rating

Perfect 5-star marketplace ratingMicrosoft Entra External ID Extension

Selected work

Projects worth talking about

All projects →

Career

Where I've worked

Omnidots

Apr 2025 — Feb 2026

Netherlands·full-time·remote

Full-Stack Developer - Frontend Focused

Led a four-phase TypeScript migration of over 400+ files that converted core React components, shared utilities, GraphQL configs, Tailwind settings, and Storybook stories.

Expanded scheduling features with override checkboxes, typed hooks, and full Lmax/Leq configuration for Lden periods.

Enhanced alerting/notification flows by introducing reusable text-area inputs, improving SMS composition, and tightening NotificationConfig behavior.

Boosted observability and dependency hygiene by enabling Rollbar Replay

Automated release discipline with a changelog-check workflow and smaller build optimizations.

Python

TypeScript

React

Django

Tailwind CSS

REST APIs

GraphQL

CI/CD

Storybook

System Design

Agile / Scrum

Release Management

Code Review

Technical Mentoring

Projects

Honeycomb

live

Omnidots' IoT monitoring SaaS platform for visualizing, configuring, and reporting on vibration, sound, and air quality sensor data.

Microsoft

Nov 2020 — Apr 2025

Nairobi, Kenya·full-time·remote

Software Engineer II (Entra External ID)

Sep 2023 — Apr 2025

Developed and maintained the Microsoft Entra VSCode Extension, implementing tenant expiry features and integrating APIs for enhanced functionality.

Set up Azure Alerting for the extension by querying telemetry from a Kusto database.

Improved testing framework by building a mock VSCode utility to run tests without launching the VSCode instance.

Collaborated with various teams and individuals to resolve issues and provided support and guidance to other team members.

TypeScript

React

REST APIs

Azure

CI/CD

OAuth / OIDC

System Design

Stakeholder Communication

Code Review

Cross-Team Collaboration

Projects

Microsoft Entra External ID Extension

live

A VS Code extension for integrating customer identity (CIAM) into apps — with tenant setup, branded sign-in, and sample scaffolding. 16K+ installs.

Software Engineer II (Azure AD Recommendations)

Jun 2022 — Sep 2023

Developed and implemented the Entra recommendation for migrating ADAL to MSAL, creating a streamlined workflow for customers to identify impacted applications.

Utilized ESTS login data on ADLS Gen2 Storage accounts to query records containing ADAL SKUs and publish migration recommendations on the Azure portal.

Leveraged the IDF Spark Platform to ingest, transform, and publish data.

Coordinated with privacy and compliance teams to gain necessary approvals for data use.

Python

Azure

Apache Spark

CI/CD

System Design

Stakeholder Communication

Cross-Team Collaboration

Software Engineer (MSAL Android)

Nov 2020 — Jun 2022

Developed and maintained the Microsoft Authentication Library (MSAL) for Android, working on Common and Broker components.

Conducted stress testing for MSAL's acquireTokenSilent function to ensure robust performance under high conditions.

Developed and maintained network automation testing for the library.

Mastered the Android broker infrastructure and contributed to adding telemetry to help identify gaps and improve user experience.

Improved logging in the MSAL and broker libraries by ensuring consistent log tags.

Managed the broker release and coordinated with broker partners such as Company Portal and Microsoft Authenticator.

Kotlin

Java

Android SDK

Azure

CI/CD

OAuth / OIDC

Release Management

Code Review

Cross-Team Collaboration

Projects

MSAL Android

live

Microsoft Authentication Library for Android — open-source SDK enabling secure auth flows for millions of enterprise users.

Andela

Sep 2018 — Oct 2020

Nairobi, Kenya·full-time·on-site

Backend Developer - Safaricom PLC

Jul 2020 — Oct 2020

Optimized SQL queries for backend services of the Short Term Paybill, leading to improved performance and efficiency.

Rewrote APIs to utilize efficient joins and lazy loading of data, enhancing overall system functionality.

Java

Spring Boot

REST APIs

PostgreSQL

Docker

Kubernetes

Microservices

Projects

LNM Microservices

live

A microservices ecosystem for processing Lipa Na M-Pesa merchant applications and approvals at Safaricom, powered by Spring Boot, Kafka, and Kubernetes.

Short Term Paybills

live

A microservice for managing short-term paybill applications at Safaricom, handling the full lifecycle from submission to settlement.

Backend Developer - I&M Bank

Sep 2019 — Jun 2020

Developed the Bizconnect API, enabling seamless integration with customer ERPs for direct transaction updates.

Built a connector framework for easy integration, enhancing customer experience and efficiency.

Java

Spring Boot

REST APIs

PostgreSQL

Docker

Technical Team Lead

May 2019 — Sep 2019

Led a remote team of 10 engineers in developing an internal travel booking application for Andela.

Implemented a centralized system for all business-related trips and expenditures, streamlining processes.

Successfully integrated the application, providing the company with a single source of truth for travel management.

TypeScript

React

Node.js

NestJS

REST APIs

Agile / Scrum

Project Management

Team Leadership

Projects

Travela

archived

An internal travel management platform for Andela, automating travel requests, approvals, expense tracking, and analytics across multiple locations.

Associate Software Engineer

Sep 2018 — Apr 2019

Contributed to full-stack development projects using React and Express with PostgreSQL.

JavaScript

React

Node.js

REST APIs

PostgreSQL

Projects

Maintenance Tracker

archived

A full-stack app for submitting and tracking maintenance requests, with a Python Flask API, vanilla JS frontend, and a React/Redux v2 frontend.

Capabilities

What I know, and how I've used it

Frontend & Mobile

Building performant, accessible interfaces across web and mobile

Backend & APIs

Designing scalable services, APIs, and data pipelines

Languages

Deep fluency across typed and dynamic languages

Cloud & DevOps

Infrastructure, CI/CD, and production reliability

Architecture & Leadership

System design, team leadership, and technical strategy

About

How I actually work

I'm a software engineer who believes the best software comes from understanding the problem deeply before writing a single line of code. Over eight years I've built authentication SDKs used by millions, data pipelines processing terabytes, logistics platforms, and developer tools — each time learning that technical excellence means nothing without real-world impact.

I care about clean abstractions, type safety, and shipping things that work reliably at scale. I'm most energized when I'm navigating ambiguity — taking a vague requirement and turning it into a well-architected system that a team can maintain and extend.

Outside of work, I enjoy exploring creative coding — building 3D engines, Fourier transform visualizers, and interactive simulations. These side projects keep my problem-solving sharp and remind me why I fell in love with programming in the first place.

Education

Bachelor of Science (BSc) — Mathematics and Computer Science (MCS)Jomo Kenyatta University of Agriculture and Technology (JKUAT)Second Class Upper Division (2:1)Sep 2014 — Jul 2018