FREELANCE SENIOR SOFTWARE ENGINEER
⚲ Zagreb, Radnička cesta 47 | Hybrid | Remote
DECODE is a full-service software development company that builds complex mobile and web apps for clients around the world.
We’re a place for professionals who want to grow through meaningful work. You’ll work on global projects, use modern technologies, and collaborate closely with a team that values solid engineering and shared ownership.


90+
experts working together to achieve great things.
14
years of hard work, always pushing for excellence.
40%
of DECODErs have been with us for over 3 years.

Your responsibilities
- Develop complex software applications and ensure their scalability,
- Actively participate in code reviews and ensure the delivery of functional and efficient code,
- Ensure best practices in coding, testing, and maintenance within the team,
- Encourage innovation and stay up to date with industry trends,
- Provide technical insights when solving challenges in complex areas.
We expect
- At least 5 years of professional experience as a Software Engineer,
- Willingness to learn and adapt to new technologies, with a focus on Ruby, Java, Node.js, React.js, Angular, or other JavaScript frameworks,
- Advanced understanding of software development methodologies and lifecycle,
- Ability to work independently with a proactive mindset and readiness to take responsibility,
- Full professional fluency in English and Croatian.
Bonus points
- Experience with AI coding agents and an advanced understanding of their capabilities
- Experience working with the Ruby programming language,
- Experience developing with JavaScript technologies (Node.js, React.js, Vue.js, Next.js, etc.),
- Personal or professional projects published on GitHub, Bitbucket, or similar platforms.
