Marko Klopets is a founder and engineering leader with 11 years of experience building full-stack products and shipping data-driven features for fast-growing tech companies. As Co-Founder & CEO of Supersimple he’s combining enterprise search and BI to make complex company knowledge instantly accessible for modern data stacks. He’s equally hands-on—previous roles span product management and senior engineering work using TypeScript, GraphQL, React, Kafka and Kubernetes—and he bridges product strategy with execution. An active open-source contributor, Marko has improved TypeScript definitions and React Mapbox integrations used by many developers, and contributed to the PRQL compiler for data transformation. He’s built multiple startups (including a fintech stealth project and an earlier social bookmarking product) and led incubation efforts in logistics, demonstrating a pattern of turning domain research into rapid prototypes and live products. Based in Tallinn, he hires and scales teams around practical data tooling and developer experience improvements.
Contributions:18 releases, 4 reviews, 98 commits in 2 years 3 months
Contributions summary:Marko primarily contributed to the React-based front-end of the project, focusing on the `react-mapbox-gl` binding. Their commits included adding features like the `duration` option for map manipulations, updating the project to newer versions of `mapbox-gl`, and adding support for antialiasing. They also implemented features like custom attribution and the option to render children in a portal, enhancing the map's functionality and customization options.
PRQL is a modern language for transforming data — a simple, powerful, pipelined SQL replacement
Role in this project:
Back-end Developer
Contributions:1 release, 1 review, 18 commits in 6 months
Contributions summary:Marko primarily contributed to the development and improvement of the PRQL compiler. Their work includes implementing new features like allowing leading underscores for identifiers and fixing operator behaviors (>=, <=). Additionally, they addressed bugs related to select statements, column aliasing and clipboard functionality in the playground. These changes indicate an active role in enhancing the core functionality of the PRQL language and improving the user experience.
datapipelineprqlmarkup-languagesql
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