Nikola
Vrhovac

Experience

• Senior front-end developer

  Marktguru (ProSiebenSat.1) | Nov 2021 - present

  Marktguru digitizes flyers to help users find the best deals, using AI for personalized recommendations. It also offers shopping lists, store info, cashback, and targeted advertising for businesses.

  • Led a team of 3 developers maintaining and enhancing core applications, while pioneering the integration of AI solutions to solve previously complex business challenges
  • Developed a multi-tenant cashback application with complex data visualizations, solving a critical use case for enterprise clients and driving platform growth through new subscriber acquisition
  • Pushed significant UI/UX optimizations that elevated platform performance and accessibility to the highest standards, establishing a weekly monitoring system to maintain quality
  • Architected and deployed a comprehensive analytics and consent management stack (GTM, GA4, Usercentrics, Mixpanel) across multiple products, ensuring full GDPR compliance for a primary application serving millions of users
  • Drove the modernization of the front-end tech stack by introducing frameworks like Next.js and Astro, leading migrations to Vite and Vitest, and integrating generative AI models from Google and OpenAI into core products

  Tech stack:

  • Preact, TypeScript, JavaScript, HTML, CSS, Python
  • Preact, Astro, Next.js, Node.js, Vite, Redux
  • Git, Docker, Azure, Webpack, Vitest, Jest, CI/CD, Netlify, Strapi CMS, WordPress

• Front-end developer

  BWIN (Entain) | Nov 2019 - Nov 2021

  Entain plc is an FTSE 100 company and one of the world’s largest sports betting and gaming groups, operating in both the online and retail sectors.

  • Enhanced a scalable web framework by developing a shared component system that lowered development overhead and ensured a consistent user experience across hundreds of localized websites
  • Accelerated development cycles by creating a library of reusable Angular UI components, reducing the time to build and deploy new features by an estimated 25%
  • Contributed to the development and optimization of high-traffic enterprise applications serving millions of users globally

  Tech stack:

  • Angular, TypeScript, LESS, SASS, Bootstrap, Webpack, Gulp, Node.js, GitLab, C#, Sitecore

• Front-end developer

  Gowi DOO | Apr 2017 - Nov 2019

  Gowi is a Serbian software company with over 20+ years of experience, serving enterprise clients in B2B publishing and media, legal, finance, public sector, and healthcare.

  • Architected the front-end for an LLM-powered application that aggregated global scientific conference data, providing researchers with personalized summaries to accelerate discoveries in oncology and drug therapy
  • Developed advanced data visualizations with Highcharts and D3.js, enabling clients to identify key trends and pinpoint positive signals within complex drug trial data
  • Initiated and delivered React/Redux workshops that drove the company's adoption of the new frameworks, simplified new developer onboarding, and successfully skilled-up backend engineers for front-end development

  Tech stack:

  • React, Redux, AngularJS, TypeScript, Highcharts, D3.js, Php, WordPress, SASS, LESS, Bootstrap, Gulp, jQuery, Webpack, C#, .NET, Sitecore

• Web developer

  Civic Initiatives | Aug 2016 - Nov 2019

  Nonprofit organization with a mission to strengthen civil society through education, promotion of democracy, and support of active citizenship.

  • One-man team for all front-end and back-end services, design and layouts, themes, SEO, analytics, project architecture planning, and development
  • More than ten WordPress pages, apache servers, setup, migrations, security, optimization, backups

  Tech stack:

  • Php, WordPress, JavaScript, jQuery, CSS

• Technical project coordinator

  Farmdoor (Cookpad Inc.) | 2014 - Aug 2016

  Farmdoor was a 24/7 farmer's market stand on the streets of Palo Alto. Customers were offered to buy fresh fruits and vegetables from self-serving stands using web or phone app.

  • Developer team helping hand, coordinator and planner
  • Transactional and newsletter email development, project time-frames, scheduling, graphs, and data analysis

  Tech stack:

  • Ruby on rails, Postgresql, Heroku, HTML, CSS

• Web administrator

  Gigatron/ComTrade | 2013 - 2014

  One of the biggest computer/tech retailers in Serbia.

  • Managed and optimized the sales page front-end, ensuring accurate data representation, engaging layouts, and effective designs

• System/Network administrator

  dpa (Deutsche Presse-Agentur) | 2003 - 2012

  The dpa is the largest press agency in Germany, founded in 1949, with headquarters in Hamburg.

  • Solely responsible for all aspects of networks, servers, software, and hardware for the dpa Balkan's office in Belgrade