At s360, a leading European digital agency, we're embarking on an exciting new chapter by launching a world-class centre of excellence in Belgrade, and we’re looking for ambitious digital marketing specialists to join the team. You'll be at the core of our operational success, helping s360 deliver outstanding results for international brands and retailers across our markets, working closely with experienced colleagues in the Nordics and beyond.
What you’ll do
You will play a key role in building and optimising engaging, high-performance ad creatives across Smartly, Celtra, and HTML5. Your responsibilities will include transforming creative concepts into responsive, scalable, and measurable ad templates that deliver results across paid media platforms
You can look forward to:
- Build and implement dynamic ad creatives in Smartly.io, Celtra, and HTML5.
- Develop modular templates that allow for creative iteration and personalisation at scale.
- Partner with creative and media teams to bring storyboards and static designs to life.
- Work with performance marketing teams to adapt creatives based on data-driven insights.
- Test ads for functionality, cross-browser/platform compatibility, responsiveness, and load times.
- Troubleshoot rendering and tracking issues, ensuring ads meet client/platform specifications.
- Stay up to date with best practices in creative automation, AI-driven platforms, and emerging ad formats.
- Proactively suggest creative solutions to improve ad engagement and performance.
What we’re looking for:
We don’t expect you to be an expert from day one, but we’re looking for enthusiastic individuals who are curious, structured, and ready to grow with us.
You likely recognise yourself in the following:
- Strong proficiency in HTML5, CSS3, JavaScript and p5.js for interactive ad builds.
- Hands-on experience with Smartly and Celtra
- Understanding of version control systems (e.g., Git) and workflow automation.
- Familiarity with design software (Figma, Photoshop, Illustrator, After Effects).
- Knowledge of asset optimization for web and mobile environments.
- 2–4 years’ experience in creative development, preferably in digital advertising.
- Detail-oriented with strong QA and problem-solving skills.
- Ability to work in a fast-paced environment, managing multiple projects simultaneously.
Why join s360
This is a unique opportunity to join a new team at the heart of s360’s international expansion. You’ll work with experienced specialists, gain exposure to international clients, and grow quickly in a supportive, cross-market setup.
- Be part of a brand-new team, helping to build our Belgrade operations from the ground up.
- Work alongside some of the most experienced specialists in the industry.
- An accelerated learning path with opportunities to quickly gain hands-on experience on real projects for leading international brands, taking on more responsibility as you grow.
- Enjoy competitive compensation, benefits, and a modern office in central Belgrade.
About s360
s360 is a leading Northern European digital marketing agency that helps brands and retailers grow through strong tech foundations, best-in-class execution, and deep industry expertise. With a team of 300+ specialists, we operate in 10 offices across 7 countries: Denmark, Finland, Norway, Sweden, the UK, the Netherlands, and Spain. s360 has been recognised with numerous national and European awards, making us one of Europe’s most award-winning digital agencies.
s360
- Srbija, Beograd, Makedonska 30 | Belgrade 11 000 | Serbia
- PIB: 114986209
- Matični broj: 22100190