Full-Stack developer with product development experience

At s360, a leading Nordic 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. As a Software Engineer, you’ll play a key role in supporting our client-facing strategists in local markets. Your focus will be on building and optimising digital platforms and tools for internal and external use by s360 colleagues and clients. 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

This role is ideal if you’re eager to accelerate your career and grow in building software by joining a highly experienced and ambitious team.

You will be part of a cross-border team where you’ll be driving development of high-performing digital products, with focus on usability, scalability, security and general user experience.
Hands-on development of tools and software products working with the newest technologies within Google Cloud Platform, AI, ML, primarily being built in web applications for users to access and use.
Maintain and support on existing solutions, making sure they are evolving and being improved based on usage and user feedback
Stay current on tools and trends in the evolving world of digital marketing and e-commerce, and how we can create more efficiency and/or better insights through data and software.

What we’re looking for

We’re looking for an experienced and enthusiastic colleague who are curious, structured, and ready to grow with us. You likely recognise yourself in the following:

3-5 years of experience in software engineering, with the majority of which in building digital products from end-to-end, working across backend infrastructure and front-end features.
A high level of understanding of modern web application technologies, such as React, Python, Next.js, HTML/CSS, etc.
Experience and knowledge of Google Cloud Platform (eg. CloudRun, BigQuery, CloudSQL, Dataform, Terraform, etc.) for scalable infrastructure and software architecture.
Utilise AI (cursor, gemini etc.) actively in your development process, while also ensuring production-ready code
Highly detail-oriented and structured in QA testing and data validation.
Great English communication skills—written and verbal is required.
A proactive, team-oriented mindset and willingness to learn and contribute.
An entrepreneurial mindset, taking ownership of projects and feature parity of products.

Why join s360 Serbia

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 building real products used by leading international brands, taking on more responsibility as you grow.
Enjoy competitive compensation, benefits, and a modern office in New Belgrade.

About s360

s360 is a leading European marketing and tech agency that helps brands and retailers grow by building strong foundations in data and tech, executing best-in-class digital marketing, and leveraging deep industry expertise in e-commerce and retail.

With a team of 330+ digital specialists, s360 operates from eleven offices across eight European countries: Denmark, Norway, Sweden, Finland, the Netherlands, the UK, Serbia, and Spain. Since 2019, s360 has been recognised with +60 international industry awards, making it one of Europe's most award-winning digital marketing agencies.