OLX Group

I play a role in developing, maintaining, and supporting mission-critical e-commerce flows. My primary focus is on creating a seamless, error-free user experience, which involves covering a full stack, including client-side logic and backend for frontend, with an emphasis on stability and React performance. In addition, I take an active role in interviewing candidates to ensure we have the right talent on the teams. My technical expertise in NodeJS, React, and Typescript is instrumental in achieving our team's objectives.

Senior Frontend Engineer

Zalando SE

As a member of cross-functional teams, I have worked on a range of projects, starting as a contributor to the automation of on-site advertising and then moving on to work with customer-facing UI logic. In my role, I have significantly improved the reliability of the advertising tools' frontend codebase by introducing Typescript and end-to-end tests, which has resulted in a more robust and efficient system. Additionally, I have played an active role in interviewing candidates to ensure we have the right talent on the team. Through my technical expertise and collaborative approach, I have contributed to the successful completion of challenging projects and the delivery of high-quality products to our customers.

Frontend Engineer

Vicon Security (Video streaming solutions)

As a member of the development team, I contributed to the development of the front-end of an enterprise-level video surveillance system from scratch. Our primary focus was on maximizing the performance of the JavaScript code, where we achieved excellent results. Through my expertise in front-end development and collaborative approach, I was able to effectively contribute to the team and deliver a high-quality product to our customers. This experience has strengthened my skills in JavaScript performance optimization and given me a deeper understanding of how to develop large-scale, complex systems.

Full Stack Engineer

IsraelToremet.org (Payment processing for charity organizations).

As a lead developer on ASP.NET-based projects, I managed a remote team of developers and worked on programming in C# and T-SQL. My focus was on ensuring a smooth and bug-free user experience. I was able to effectively lead the development process and ensure that project timelines were met on time and on budget. This experience has strengthened my skills in project management, collaboration, and problem-solving.

Lead .NET Developer

From 2002

My work experience within this period includes working both in start-up-sized (E-commerce) as well as large (Telecommunications) and medium-sized (payment provider) companies. Within this period I had an opportunity to implement many full-stack solutions essential for companies' main business flows and involving such technologies as .NET, Java and PHP, as well as worked with database software such as MS-SQL server and MySQL.

Full Stack Developer

As a seasoned frontend engineer with full-stack experience, I have experience both in modernizing legacy code and building robust, high-performance customer-facing interfaces from scratch. My technical expertise spans a range of industries, including video streaming, programmatic advertising, and e-commerce. I thrive on challenging projects that involve complicated technical constraints as well as enjoy working with cutting-edge and time-proven technologies alike (Typescript and React among them) to design functional, performant and stable code that always has user experience as the driving force. 

My opensource projects:
https://github.com/yyankowski/easy-indexeddb
https://github.com/yyankowski/simplydate

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