Location: Poland We Are:RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. Founded in 2012, and now operating in 90+ markets, RTB House has always been private-by-design. It embraces first-party advertising and a relentless approach to innovation. RTB House offers end-to-end Deep Learning-powered AdTech products and solutions to maximize conversion, drive new customer acquisition, create engagement, and fuel long-term demand for a global base of clients.We are looking for a Software Engineer with a strong background in frontend development to strengthen our team and help us build reliable, performant, and user-friendly web applications. While the main focus will be on frontend, you will also contribute to backend development and cross-functional projects. You Will:  Design, develop, and optimize high-quality web applications with an emphasis on frontend and user experience. Contribute to backend development and integrations when needed. Collaborate with cloud engineers and service developers to deliver end-to-end features. Contribute to architectural discussions and ensure consistency across the codebase. Perform code reviews and share knowledge to maintain high team standards. Keep up with modern frontend technologies and best practices Desired experience: 5+ years of professional experience in software development, with a strong focus on frontend. Solid knowledge of JavaScript, Vue.js and Node.js. Experience with design patterns, code optimization, and documentation. Good communication skills and ability to work collaboratively in a multidisciplinary and distributed team. Fluency in English and Polish.  We Offer:  A unique opportunity to join an award-winning organisation, one of the fastest-growing tech companies in Europe Ability to lead innovative and impactful projects within the organisation Great environment for growth and skills development, work in a team of enthusiasts Modern tech stack and access to high computational power Remote or hybrid work model Attractive salary  Apply now!You don't need to tick every box to apply. If you are passionate about digital marketing, send us your CV, and we'll review it.