Senior Full-Stack Developer @

2 days ago


Remote Lutsk Kraków Katowice Kyiv, Czech Republic YozmaTech Full time

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.

Meet YozmaTech

YozmaTech is not just another tech company — we are a global team of driven innovators and top-tier professionals helping startups and product companies scale smarter and faster. We build dedicated development teams across 10+ countries, fostering strong, long-term partnerships based on trust, transparency, and real impact. Here, every idea matters. We value people who are proactive, open, and eager to grow. If you're passionate about creating meaningful products and want to join a team that feels like family — you'll feel right at home with us.

Our Client

Our client is a technology company focused on supply chain management and procurement optimization. Their product simplifies the purchasing process through modern technology, helping businesses automate their supply chains and reduce costs.

Why Join Us?

At YozmaTech, we're proactive individuals who grow together. Every day, we solve real challenges for real products — and we enjoy doing it. We operate globally, think entrepreneurially, and support each other like family. We invest in your growth and make sure your voice is heard. With us, you'll always know what you're working on and why it matters.

From day one, you'll get:

  • Direct access to clients and meaningful products
  • Flexibility to work remotely or from our offices
  • Leader-colleagues and a zero-bureaucracy culture
  • Opportunities for growth, leadership, and success

After You Apply

We ensure a respectful, transparent, and personalized process from the first conversation to the offer stage. You'll always know which project you're joining and how you can grow with us.

Everyone is Welcome

Diversity makes us better. We create a space where you can thrive just as you are.

Ready to Build Something Meaningful?

Let's talk. Your next big adventure might start right here.

Let me know if you'd like a version tailored for a careers page, social media post, or job listing.

,[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;] Requirements: JavaScript, PHP

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