Dennis Martinez
Independent Contractor at Self-employed
Osaka, Japan
Summary
👤
Senior🎓
Top SchoolDennis Martinez is an experienced software developer and independent contractor based in Osaka, Japan, with nearly two decades of professional experience building web applications, automations, and DevOps pipelines. He combines hands-on web development with strong automation testing and CI/CD expertise, having contributed DevOps and backend improvements to high-profile open source projects like Artillery—optimizing Docker image workflows and adding real-world examples for WebSockets, GraphQL, and Socket.IO. Remote-first since 2015, he has collaborated with international teams across e-commerce and nonprofit sectors and covers the full delivery cycle from development to production deployment. Available for remote contracting in web development, DevOps, and software testing, he also shares testing insights publicly at dev-tester.com, reflecting a practical focus on quality and reliability.
16 years of coding experience
Bachelor of Science, Computer Science, Bachelor of Science, Computer Science at Universidad Interamericana de Puerto Rico - Recinto de Ponce
English, Spanish, Japanese
Github Skills (20)
docker10
javascript10
circleci10
dockers10
cicd10
nodejs10
typescript9
typescript-types9
api9
typescripts9
serverless8
graphql8
wordpress-graphql8
websocket8
wpgraphql8
Programming languages (10)
Github contributions (5)
artilleryio/artillery
Apr 2021 - Oct 2021
The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.
Role in this project:
DevOps Engineer & Backend Developer
DevOps Engineer & Backend DeveloperContributions:34 commits, 4 PRs, 1 comment in 5 months
Contributions summary:Dennis primarily contributed to the project's CI/CD pipeline, automating builds and deployments using Docker and CircleCI. They updated build and publish scripts to correctly handle tagged releases and development versions, ensuring proper Docker image tagging and publishing to Docker Hub. Additionally, the user added several examples showcasing different technologies, including Socket.IO, WebSockets, GraphQL, and file uploads, demonstrating a backend development focus.
continuous-testingstress-testinggolangcloud-scaleload-testing
dennmart/timezone
Nov 2015 - Jan 2020
Contributions:118 pushes in 4 years 2 months
golangglobekeepdistributed-teamdistributed
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