Mariusz Majorek

Led revamp of Deutsche Telekom's online site through modern design system and implementation of unit and e2e tests. Tech stack used: Nuxt.js with SSR, Vue, AWS, Docker, Kubernetes. Utilized TypeScript, Vitest, and Vue Testing Library to improve core product functionality through AI workflows which resulted in 10% decrease in sentry tickets during the initial month. Boosted team performance and skills by mentoring junior members on advanced subjects like microservices architecture.

Led a team of 2-3 developers in a fast-paced environment to deliver marketing websites, ensuring efficient workflows that consistently met deadlines and maintained high-quality standards. Transitioned the team's technology stack from WordPress to modern JavaScript frameworks such as Next.js, React, and Vue, improving development speed, reducing project timelines, and significantly enhancing website performance and user experience. Developed several internal applications that streamlined workflows for the team and organization, reducing dependency on external tools and resulting in significant cost savings.

Played a key role in developing and maintaining websites for flagship products, including Voluum, VoluumDSP, Zeropark, and NewProgrammatic, as well as the corporate website for Codewise. Collaborated with the marketing team to create targeted landing pages for lead generation and promotional campaigns, aligning technical solutions with business goals to maximize engagement and conversions. Focused on improving website performance by optimizing page load times, enhancing the efficiency of sign-up flow funnels, and delivering a better user experience to drive higher conversion rates.

Developed simple CRUD applications and APIs for mobile applications using the Symfony 2.x framework and Doctrine, ensuring robust and efficient backend solutions. Worked on creating and supporting custom plugins and themes for SEO/SEM systems, integrating them with backend systems written in Symfony and occasionally Angular, to meet specific business needs. Built websites from scratch using custom WordPress themes, incorporating tools like ACF and Gravity Forms, while converting designs from PSD to functional, responsive HTML pages.