Senior Full-Stack (PHP/JS) Engineer

About Us

We are a leading Israeli IT company with 15 years of market experience and 8 years in Ukraine. Officially registered in Ukraine, Israel, and Estonia, we employ over 100 professionals worldwide. Specializing in successful startup collaboration, we offer services across e-commerce, Fintech, logistics, and healthcare.

Our client is a leading video monetization platform used by hundreds of digital publishers worldwide to recommend high-quality video content to their users.

Key Requirements:

🔹At least 4+ years of commercial experience as a Full-Stack Developer;
🔹Experience with PHP and object-oriented programming principles;
🔹Strong knowledge of vanilla JavaScript (ES5/ES6);
🔹Web Concepts – DOM manipulation, HTML rendering, Basic Web APIs and HTML page structure;
🔹Familiarity with client/server architecture (MVP) and debugging tools like xdebug and browser dev-tools;
🔹Hands-on experience with MySQL or other relational databases;
🔹Fluency in Ukrainian is a mandatory requirement;
🔹English – Upper-Intermediate or higher.

Will be a plus:

🔹Experience with React.js;
🔹Hands-on knowledge of Redis;
🔹Background in AdTech (SSP/DSP, DFP, header bidding, floor price optimization, etc.);
🔹Familiarity with Agile methodologies.

What you will do:

🔹 Work on publisher integrations – customizing video player behavior, visual modifications, and player API usage across various environments;
🔹 Develop and maintain backend operational tools for debugging, monitoring, and platform support;
🔹 Participate in publisher onboarding – player setup, content API integrations (MRSS), and bulk operations;
🔹 Build and optimize content and ad targeting solutions using key/value targeting and custom HTML tags;
🔹 Investigate and resolve complex bugs in both frontend and backend systems;
🔹 Work on performance optimization and SEO improvements (Web Vitals, DevTools analysis);
🔹 Research, develop, and document new features and enhancements for long-term stability and scalability;
🔹 Contribute to monetization logic – implement new integrations, data research, and advanced backend fixes.

Interview stages:

🔹 HR Interview;
🔹 Technical Pre-screening (15 min)
🔹 Pro-interview;
🔹 Technical Interview;
🔹 Reference Check;
🔹 Offer.

Why Join Us?

🔹 Be part of a friendly international team, working together on interesting global projects;
🔹 Enjoy many chances to grow, learn from mentors, and work on projects that make a real difference;
🔹 Join a team that loves fresh ideas and supports creativity and new solutions;
🔹 Work closely with clients, building great communication skills and learning directly from their needs;
🔹 Thrive in a workplace that values your needs, offering flexibility and a good balance between work and life.