Martin Vyšňovský
CEO & Lead Developer at Ketler
Bratislava, Region of Bratislava, Slovakia
Summary
👤
Senior🎓
Top SchoolMartin Vyšňovský is a versatile software leader and founder with 12 years of experience who runs Ketler as CEO and Lead Developer, building cloud-first web and mobile systems that automate business processes and leverage AI. He combines hands-on full‑stack expertise (React/TypeScript, NestJS, GraphQL, MongoDB/MySQL) with infrastructure and deployment skills (Terraform, AWS, CircleCI) to take projects from concept to production. Martin has led engineering teams as a CTO and R&D groups in hardware-adjacent domains, giving him a rare blend of embedded-sensor experience and enterprise web architecture. He contributes to high-profile open-source projects like NestJS, focusing on backend functionality and test-driven improvements, and has applied his AI master’s training to data-driven solutions across industries from water treatment to radiation oncology. Known for quickly mastering new domains, he thrives on solving technical bottlenecks for clients through pragmatic automation and thoughtful system design.
12 years of coding experience
5 years of employment as a software developer
Industrial informatics, Industrial informatics at Stredná priemyselná škola elektrotechnická v PrešoveMaster's degree Artificial Intelligence, Master's degree Artificial Intelligence at Technical University of Košice
Russian, English, German, Slovak
Github Skills (20)
mongoose10
javascript10
back-end-development10
jes10
typescript10
mongodb-database10
nestjs10
jestjs10
typescript-types10
jtest10
nodejs10
typescripts10
backend10
mongodb10
application-framework9
Programming languages (4)
Github contributions (5)
nestjs/nest
Aug 2024 - Aug 2024
A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀
Role in this project:
Backend Developer & QA Engineer
Backend Developer & QA EngineerContributions:1 PR, 1 comment in 1 day
Contributions summary:Martin's contributions focused on developing and testing backend functionalities within the NestJS framework. They added and refactored tests for controllers and services related to a Mongoose integration, demonstrating a strong emphasis on test-driven development. The commits included the implementation of `update` methods, showcasing a significant contribution to the application's capabilities. The commits touched on creating, finding, updating, and deleting data in the backend.
es8server-sideon-toptypescript-frameworkcnode
martinvysnovsky/dotfiles
Jul 2024 - Mar 2025
Contributions:167 pushes in 9 months
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