Kasili Wachiye
@kasiliwachiye
Senior Software Engineer
What I'm looking for
Senior Software Engineer with 7+ years of experience designing and building production-grade web platforms and distributed application systems using TypeScript, Go, and Python. Strong background in system architecture, API design, frontend-backend integration, and performance optimization for high-traffic, data-driven applications. Proven ability to own features end-to-end, from system design and data modeling to UI delivery and observability. Experienced working in cross-functional teams to ship scalable, reliable software with strong engineering standards, automated testing, and CI/CD.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Datahatch
Sep 2025 - Present (6 months)
Owned frontend platform architecture in React and TypeScript, improving modularity, release safety, and development velocity across production applications. Implemented scalable UI architecture and reliability strategies that improved responsiveness and reduced regressions.
Lead Software Engineer
Megatherium GmbH
Jan 2025 - Aug 2025 (7 months)
Led architecture of React and Next.js applications for LLM-driven real-time analytics dashboards, improving data visualization throughput and system performance. Established shared component and design system adopted across multiple products.
Senior Software Engineer
Optiven Limited
Feb 2023 - Present (3 years 1 month)
Transitioning into the role of Senior Software Engineer at Optiven, I embraced the opportunity to spearhead their technological expansion. My mission was clear: to fortify their technical infrastructure and elevate their digital presence. Through strategic planning and hands-on development, I orchestrated the creation of multiple innovative applications and effectively streamed operations.
Software Engineer
AfricaSokoni
Feb 2022 - Nov 2022 (9 months)
Built the sellers mobile app and spearheaded the development of the rider app. Played a crucial role in ongoing maintenance and enhancement of the e-commerce platform. Designed and implemented responsive and user-friendly frontend interfaces. Developed secure and efficient backend systems and integrated with databases and external APIs. Proactively identified and resolved technical issues.
Software Engineer
CBC App
Aug 2021 - Jan 2022 (5 months)
Developed a student-facing platform integrated with Django backend and GraphQL APIs, built real-time dashboards for engagement metrics, and added offline-first capabilities to support unreliable connectivity.
Software Engineer
Wolfe Digital Agency
Aug 2020 - Jul 2021 (11 months)
Built and optimized public-facing React applications focused on performance and accessibility, achieving Lighthouse scores of 95+ and delivering WCAG-compliant interfaces for high-traffic civic platforms.
Software Engineer (Internship)
SIBRA
Nov 2019 - Jul 2020 (8 months)
Collaborated with the software engineering team at SIBRA to develop and enhance software solutions for optimizing public transport operations. Contributed to the design and implementation of a real-time bus tracking system and a mobile application for commuters. Assisted in cross-functional collaboration and gained valuable hands-on experience in the public transportation domain.
Education
Degrees, certifications, and relevant coursework
Walsh College
Bachelor of Science, Analytics
2025 -
Enrolled in a Bachelor of Science in Analytics program with expected completion in 2027.
Jomo Kenyatta University of Agriculture and Technology
Bachelor of Science, Civil Engineering
2016 - 2019
Partial coursework toward a Bachelor of Science in Civil Engineering completed between 2016 and 2019.
Tech stack
Software and tools used professionally
Postman
OpenAPI
SwaggerHub
Chart.js
Amazon EC2
DigitalOcean
Amazon S3
GitHub
GitLab
ESLint
Prettier
SonarQube
Kubernetes
Cloudflare
Amazon CloudFront
Jenkins
GitHub Actions
GitLab CI
React Native
CSS Modules
PostgreSQL
MongoDB
IndexedDB
Gmail
Node.js
Django
Next.js
Tailwind CSS
Material-UI
Google Analytics
Mixpanel
Figma
Slack
Redis
Terraform
Jira
styled-components
Jest
Mocha
Chai
React
Vue.js
jQuery
AngularJS
Lerna
Webpack
JavaScript
Python
HTML5
ES6
CSS 3
JSON
Go
Rust
ExpressJS
OpenTelemetry
Datadog
GraphQL
Firebase
gRPC
Elasticsearch
WordPress
Strapi
AWS Lambda
Serverless
Redux
Zustand
Vercel
Netlify
Firebase Hosting
TypeScript
React Testing Library
Auth0
Git
Docker
Bandwidth
NGINX
Toolkit
DigitalOcean Spaces
DigitalOcean Managed MongoDB
Amazon Web Services (AWS)
SQL
Solidity
Supabase
LangChain
Weaviate
Alpine.js
Nx
ChromaDB
Playwright
The Graph
Pinecone
Clerk
Vite
Score
Ada
Bash
Framer Motion
WalletConnect
Availability
Location
Authorized to work in
Website
kasili.devPortfolio
kasili.devSalary expectations
Job categories
Skills
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