Kaka Ruto
Building reliable web applications at scale
4.1M
PEOPLE REACHED Stack Overflow impact5M+
JOBS PROCESSED Background processing scale100k+
PAGES INDEXED Google SEO coverage$30k+
LAUNCH REVENUE First week transactions99%
TEST COVERAGE Code quality metric30%
DEV TIME SAVED Team efficiency improvementI'm a full-stack engineer building web applications at scale. I combine technical expertise with team leadership to ship end to end products fast - from fintech platforms to community networks.
Recent Positions
Autohaven
Created a comprehensive automotive platform serving 700+ users with 2 AI assistants, processing over 100k car records and generating 100k+ indexed pages
700
ACTIVE USERS500k+
JOBS HANDLEDSmartPension
Reduced development cycle time by 30% through domain code abstraction and workflow automation while maintaining 99.99% uptime for critical investment systems
30%
Dev Efficiency2.5M
Users ReachedBettyBlocks
Architected GraphQL API handling millions of monthly requests with sub-100ms response times while implementing a rate limiting system preventing 10K+ DDoS attempts monthly
100ms
Response Time10K+
DDoS PreventionSkills & Proficiency
PostgreSQL
Cloud
Docker
Technical Leadership
Agile/Scrum
Ruby on Rails
Git/GitHub
Test-Driven Development
TailwindCSS
Redis
System Architecture
System Design
API Design
CI/CD
Kubernetes
GraphQL
Elixir
Vue.js
React
Professional endorsements
Kaka played a crucial role in our investments team, helping develop a gem that significantly reduced code duplication across projects. His technical expertise in Ruby helped optimize our trading and holdings systems. He showed great leadership potential by leading code reviews and handling urgent production issues. His work on automating developer workflows improved our team's efficiency by 9%.
30% faster development cycles90% test coverage achievedZero production incidents
Kaka led the development of our new jobs platform that became a significant revenue source and employed hundreds of data scientists. He improved our platform's reliability by reducing bug turnaround time from weeks to just hours. His work on competition rescoring and error metric integrations was crucial for our data science competitions. He also successfully set up our AWS deployments using Docker, significantly improving our infrastructure.
Hundreds of data scientists employedBug fixes reduced from weeks to hoursSuccessful AWS ECS migration
Kaka made significant contributions to our recruiting and hiring platform through his backend expertise. He enhanced our Rails RESTful API that powered our React frontend, implementing robust features that improved the hiring process. His focus on API design and performance helped us deliver a more efficient recruiting platform for our clients. He also was the team lead for both the frontend and the backend teams.
Multiple API endpoints deliveredSeamless React integrationEnhanced hiring workflows
What sets Kaka apart is his ability to bridge technical excellence with business impact. He not only built a sophisticated logistics platform but also helped shape our product strategy. His leadership of the engineering team fostered a culture of innovation and technical excellence.
40% faster deliveries35% cost reduction99.9% system reliability
During his time at Andela, Kaka showed strong growth as a software engineer. He successfully contributed to our internal product and delivered value to two of our client projects - Gobble in the US and Boatflex in Denmark. His ability to adapt to different project requirements and work effectively in international teams demonstrated his potential as an engineer.
2 international clients servedInternal product contributorCross-cultural collaboration
