Kalman Speier
Freelancer at Self-employed
Greater Marbella Metropolitan Area Spain
Summary
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SeniorKalman Speier is a seasoned full-stack engineer and freelancer with 15 years of experience helping teams build cloud-native, real-time and backend systems from design to production. Based in the Greater Marbella area, he combines hands-on development in Go and Node.js with infrastructure expertise in GKE/GCP, Terraform, Argo and Kustomize to streamline deployments and platform operations. He has led R&D efforts for gaming platforms at Mavrix/BetIt Group and built mission-critical real-time integrations for automotive and finance customers earlier in his career. An active open-source contributor, Kalman improved Riot.js server-side rendering and extended the popular node-celery client with Redis support and robust testing across AMQP and Redis backends. He’s comfortable moving between application-level problems and infrastructure automation, and often surfaces pragmatic optimizations that reduce operational complexity.
14 years of coding experience
11 years of employment as a software developer
Hungarian, English
Stackoverflow
1,937reputation
367kreached
42answers
4questions
razor
top-5%
Github Skills (19)
javascript10
redis10
clientside10
ui-components10
testing10
celery10
web-components10
custom-element10
nodejs10
razor9
asp-net-mvc9
server-side-rendering8
amqp8
castle-windsor6
mongodb6
Programming languages (8)
Github contributions (5)
mher/node-celery
Sep 2016 - Dec 2016
Celery client for Node.js
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 2 PRs, 6 comments in 3 months
Contributions summary:Kalman primarily focused on enhancing the `node-celery` library to support the Redis backend. Their contributions include implementing Redis-specific features, such as subscribing to task results and handling message interactions. The user also addressed bug fixes and implemented optimizations related to the Redis broker and backend integration, ensuring proper functionality and compatibility. Furthermore, the user added testing for both AMQP and Redis backends.
redisartemisnode-jscelery-clientworker
riot/riot
Feb 2015 - Jun 2015
Simple and elegant component-based UI library
Role in this project:Front-end Developer
Front-end DeveloperContributions:20 commits, 17 PRs, 77 comments in 4 months
Contributions summary:Kalman focused on enhancing the Riot.js component-based UI library. Their contributions included adding features for CommonJS module generation, modifying the tag file extension configuration, and simplifying the require tag extension process. They also worked on improving the server-side rendering capabilities and added tests for loops, conditionals, and overall tag rendering. The user's efforts centered on expanding the library's functionality and testing its behavior in various scenarios.
customtagsreactcomponent-basedclient-sidejavascript
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