Wacław – React, Typescript, Node.js

A global provider of customer support software solutions.

• Rewrote Text's React-based Direct Chatting Page (a top 500 TLD worldwide) into a AI-powered Next.js app.
• Designed systems using databases, asynchronous task execution, and caching on Google Cloud Platform.
• Created front-end and back-end architecture.
• Implemented high-traffic pages based on Figma designs.

A leading open-source e-commerce platform enabling businesses to build, customize, and scale online stores with integrated payments, checkout, marketing, and shipping tools.

• Collaborated with product management on roadmap planning, feature prioritization, and overall product strategy.
• Led end-to-end integration of major shipping carriers into core e-commerce products, managing both technical implementation and partner relationships.
• Coordinated cross-functional launches with marketing, legal, systems, design, and data teams, while overseeing external development partners and contractors.
• Developed internal data dashboards and documentation, enabling data-driven decisions and reducing maintenance overhead through automation.
• Acted in interim team and squad lead roles, managing sprint planning, delivery, and mentoring new team members.
• Provided technical expertise for partnership evaluations and due diligence for potential acquisitions.
• Owned development of shipping and payments product suites, including extensions and express checkout solutions used by millions of stores globally.
• Proactively pursued growth into formal leadership responsibilities, supporting team development and organizational goals.

A talent marketplace that connects vetted developers with clients for WordPress and custom application development projects.

• Achieved a consistent 5/5 client rating across 100+ completed projects.
• Developed and extended custom WordPress plugins and themes.
• Analyzed, debugged, and optimized WordPress core and plugin codebases to deliver reliable and high-performance solutions.
• Delivered clean, maintainable, and production-ready code.
• Maintained a high standard of direct client communication, ensuring clarity, trust, and on-time delivery.

A global provider of SMS messaging solutions, operating for over 16 years and offering a developer-friendly platform used by large international enterprises.

• Designed and implemented scalable back-end software architecture.
• Developed core features for high-volume SMS/message delivery systems.
• Built and maintained applications enabling third-party integrations from the ground up.
• Implemented comprehensive testing strategies, including unit, integration, and end-to-end tests.