We help people create
profitable web products

Code Tree is a boutique web development and UX design team specialized in mapping out, designing, and delivering complex
custom-built web applications on time.

Ivor Reic

Ivor Reic

Client-side development

User Experience Design

Conversion, Retention, Analytics

Vedran Marcetic

Vedran Marcetic

Server-side development

System administration

Deployment, Scaling, Security

Friends since childhood, colleagues since 2012. Our skills are extremely complementary, and our combined know-how covers a large area. We love technology and follow the same vision: help people mold and execute their ideas by building great products that deliver real results.

Here are some of our basic principles


We build products with business goals in mind

Developers often sweat over minute technical details but completely ignore the bigger picture. Our primary goal is to help you build a successful business.


We deliver weekly measurable results

At the end of each week our goal is to showcase working and improved software, not promises and PowerPoint presentations.


We prefer working on one project at a time

While most development shops tend to juggle many clients at once, we’re all about immersing ourselves into a single project. Doing away with context switching allows us to do better work.


We are agile, and we welcome change

Our process is simple, flexible, and transparent. To thrive, online businesses must be able to change direction quickly. Experimentation should be rewarded, not punished.


We are proactive

We will detect possible pitfalls in advance, before they turn into tangible problems. We also love coming up with new ideas and suggestions.


We only take on projects we like

Life is too short to work on something you’re not passionate about. A cliche, yes, but nonetheless true. We want to invest ourselves in projects that make us proud.

Ross Jones

Working with Code Tree was a smooth process. They are easygoing, reliable and quick learners. They had no trouble understanding what needed to be done, even though the product we’re building is quite complex. I liked their proactivity and willingness to offer suggestions and constructive criticism.

Originally, we were looking to hire someone for two months tops, but after witnessing Code Tree's work, we decided to keep them on for as long as we could.

Hiring remote talent is difficult, but if you want to work with great people, you have to look beyond your backyard.

Preferred technology stack

While this is our preferred stack, we can also work in many other environments. If you don't understand what some of these mean, don't worry. The main takeaway is that we only work with modern and reliable technologies.

Project Management

  • Trello
  • Jira
  • Slack
  • Google Hangouts


  • Sketch

Version Control

  • Git


  • HTML, JSX, Slim
  • CSS, SASS, PostCSS
  • Javascript (ES6+)
  • React, Vue, d3
  • Webpack
  • Yarn, npm


  • Ruby, Elixir
  • Ruby on Rails
  • PostgreSQL, Cassandra
  • Redis, Elastic
  • Docker, Capistrano, Jenkins
  • AWS, Linode, Digital Ocean

Keep in mind...

We cover a wide range of skills

We are experts in user experience design, web development, and server architecture. Besides our core skills, we can also help you with user research, conversion and retention optimization, security, and much more.

We are capable of supporting your growth

Whether you’re expecting ten, or ten million users to flood your website — we’ve got you covered. Our custom servers can scale to endure any amount of traffic while considerably reducing your monthly hosting costs.

We never subcontract our responsibilities

When working with us, you always know who’s building your product — the same people you signed the deal with. We’ll never bring in someone else to do the work, or even worse, subcontract to cheaper studios.

We are experienced in remote collaboration

While currently based in Zagreb (Croatia), we have been working remotely since the beginning of our careers and are happy to visit clients early and often. Alternatively, you could visit us, and spend some time in our beautiful country.