DECODE ®’s cover photo
DECODE ®

DECODE ®

Information Technology & Services

Your EU-based, full-service software development partner

About us

DECODE is an EU-based, full-service software development partner for growing tech companies and established mid-market businesses, with offices in Zagreb and Düsseldorf. Since 2012, we've been building and scaling complex custom software products, from early product strategy and UX through technical implementation and long-term growth. Our senior multidisciplinary teams combine agentic engineering with product thinking, so we move faster without compromising quality. Once assigned, each team is 100% focused on your product, with no context switching. We specialize in custom software development (web, mobile, backend), cloud infrastructure, AI-powered solutions, and the modernization of existing systems. Our experience spans transportation and logistics, telecommunications, healthcare, fintech, and Internet of Things. Our clients range from growing tech companies like Decidr to established mid-market businesses like Supplentia. We've also delivered at scale for global enterprises like Microsoft, AT&T, and Royal Caribbean. DECODE has more than 90 employees across Zagreb and Düsseldorf. We're also ISO 27001 certified. Clients typically engage us through dedicated teams that work as an integrated extension of their organization.

Industry
Information Technology & Services
Company size
51-200 employees
Headquarters
Zagreb
Type
Privately Held
Founded
2012
Specialties
Custom software development, AI-powered apps, Mobile development , and Web development

Locations

Employees at DECODE ®

Updates

  • AI coding agents can write code in seconds. Quality still depends on you. Mario Zderic, our CTO, put AI coding agents through their paces and shared 11 rules with the team that actually hold up. A few highlights: 1️⃣ Plan mode isn't optional. Make the agent show its plan before it touches your code. 2️⃣ Keep pull requests small. One subject per PR, or review quality falls apart. 3️⃣ AI makes it easy to write pages of documentation. That doesn't make it easier to read. 4️⃣ Speed without discipline just means more code to clean up later. Read on for the full list 👇

  • AI doesn't replace good thinking in discovery. But it does get us there faster. Before we write a single line of code, we spend a lot of time on research: learning the client's industry, mapping the market, reading user interviews, and spotting what the competition is doing. That work used to take weeks. AI has helped us cut that down to days. Swipe through to see where it actually makes a difference 👇

  • We're proud to announce the successful delivery of a new reservation system for Norfolk Southern, a major U.S. freight railroad company that provides rail transportation and related logistics services across a 22-state network. Founded in 1827, Norfolk Southern operates an extensive network across the eastern United States. In partnership, we set out to design and deliver a modern, best-in-class reservation system meeting world-class UI/UX standards, while navigating an aggressive delivery timeline. "The DECODE team were great partners. They rolled with high complexity and evolving requirements to deliver a product that met our needs - whether explicitly stated or not, and was well designed and performant." Yannik T., VP of Network Design & Optimization, Norfolk Southern What made this collaboration work was the willingness on both sides to push in the same direction. Staying agile at the scale Norfolk Southern operates is no small challenge, but that shared commitment made it possible. "You expect a certain rigidity from a company as established as Norfolk Southern. But that's not the experience we had with them. They were very receptive to trying new, agile ways of development." Mario Žderić, CTO, DECODE Beyond the software itself, both teams came away better for it. We worked alongside skilled Norfolk Southern engineers to strengthen their development processes, and working at that scale pushed our own team to grow, too. But what we're most proud of goes beyond the technical work: "I would strongly recommend DECODE to anyone looking for software development. From the outset, the engagement felt like a true partnership rather than a traditional vendor relationship." Chris Ingraham, AVP of Operations Infrastructure & Efficiency, Norfolk Southern A big thank you to everyone at DECODE who made this happen!

    • No alternative text description for this image
  • A designer's job isn't just about making things look good.   As Stella Kralj, one of our product designers, puts it, their biggest value is bringing clarity.   They need to figure out how to serve the user, support the business, and keep things manageable for developers, all at the same time.   Here's Stella's take 👇

  • The countdown is on. Only 8 spots are open for the Agentic Engineering Academy, where you'll learn by doing how modern development is actually done. The mentors: world-class engineers who've worked on projects by some of the largest companies in the tech industry. Don't miss your chance to apply. 👉 https://lnkd.in/eUq9STnr

  • In case you missed it, our CTO Mario Žderić was on the panel at the 16th Engineering Management Meetup a couple of weeks ago. Take a peek at the atmosphere 👇

    A few shots from the Engineering Management Meetup a couple of weeks back. Good crowd, good energy, and a panel I enjoyed being part of. We got into what AI actually changes for engineering teams, and where it doesn't help at all. The best part was the room afterwards. Catching up with other tech leaders, comparing notes, hearing how different teams are working through the same problems. Thanks to everyone who came out!

    • No alternative text description for this image
    • No alternative text description for this image
    • No alternative text description for this image
    • No alternative text description for this image
    • No alternative text description for this image
      +1
  • Thank you for the extremely kind words, Lewis! We always love when clients visit our office. It's exactly the kind of collaboration we enjoy: real conversations, in the same room, with the people living and breathing their product. Can't wait to see where we take PACT Technologies next!

    Great to meet some of the incredible team behind the genius of PACT. There’s nothing more powerful than putting great brains in one room, when trying to create magic. What a vibrant place Zagreb is with such welcoming culture. I cannot speak highly enough of the Croatian people and the team at DECODE ® . Ivor Cindric Stella Kralj

    • No alternative text description for this image
    • No alternative text description for this image
  • In July, we're running a 4-week Agentic Engineering Academy in our Zagreb office. This isn't a prompting course. You'll learn to use AI across the full engineering workflow, from architecture to QA. Senior DECODE engineers who've shipped software for some of the world's largest companies will review your work, challenge your decisions, and tell you exactly what to fix. Only 8 spots available. If you're a final-year student or junior developer ready to ship real software with AI, this is for you. ‼️ Don't miss out, applications close June 12! ‼️

Affiliated pages

Similar pages

Browse jobs