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Developed an advanced analytics platform to process and visualize data from underwater sensors, including features such as interactive charts, timeframe navigation, image browsing and filtering, and organization member management.

• Operated as a one-person Ruby on Rails development team, taking ideas from brief concepts to fully realized, high-quality implementations in a “manager of one” style.
• Continuously optimized and accelerated queries handling millions of data points, ensuring efficient performance and scalability.
• Successfully mentored junior developers, guiding them from minimal Ruby on Rails experience to delivering meaningful contributions.

As the company’s first employee and CTO, I played a pivotal role in transforming a small startup into a well-structured organization.

• Established robust development processes, including Agile methodologies, QA practices, and team collaboration workflows, using tools like JIRA.
• Successfully grew the development team from 2 to 10 members within 3 years, fostering a strong, collaborative, and efficient engineering culture.
• Modernized the company’s technological stack by introducing React and React Native, and experimented with GraphQL on select projects, driving innovation and expanding technical capabilities.
• Led and delivered medium- to large-scale projects from inception to completion, ensuring quality and alignment with business goals.

Led the redesign of the dashboard to seamlessly present data from both internal and external sources. Beyond coding, I played a key role in shaping the information architecture and user experience. This strategic overhaul not only enhanced usability but also positioned us ahead of our primary competitor, Receipt Bank.

Developed an integration with QuickBooks Online (QBO) accounting, unlocking access to the vast QBO app market. This integration significantly expanded Datamolino’s reach and opened up substantial new business opportunities.

Vive.co: Spearheaded a gradual front-end redesign using Sass and React, transforming the booking process into a visually stunning and highly user-friendly single-page application. This redesign significantly enhanced the user experience and streamlined customer interactions.

Hlidacky.cz: Designed and implemented API access for mobile apps, thoroughly documented using the Swagger API specification to ensure clarity and usability. Additionally, introduced declarative authorization for the administration interface, improving security and simplifying management workflows.