Full-Stack Developer PHP, JavaScript

YozmaTech isn’t just another tech company - we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family - you’ll feel right at home with us.

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 4-5 years of experience in software development;
🔹 Knowledge in HTML, and at least 2 years with Vanilla JavaScript- understanding objects, prototypes, event handling, cross-browser challenges, asynchronous client-side etc.;
🔹 Experience with at least one Object-Oriented Server-Side language, preferably PHP;
🔹 Good understanding of client/server architecture;
🔹 Good understanding of web concepts – DOM, REST protocol, CORS, Ajax, etc;
🔹 Familiarity and/or experience with MySQL or other relational databases;
🔹 Familiarity and/or experience with UNIX/ LINUX environments;
🔹 Experience with writing modular & reusable code – OOP approach;
🔹 English - Upper-Intermediate or higher.

Will be plus:

🔹 Prior experience working in ad tech, or a working knowledge of concepts including floor price optimization, header bidding, SSP/DSP, DFP, AdX, ad networks, etc.;
🔹 B.S. in Computer Science/Mathematics/Physics from a known university;

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 Interview;
🔹 Test Task;
🔹 Final interview;
🔹 Reference Check;
🔹 Offer;