The world seen through code

Code the world.

It's a big world. Go code it.

Technology progress has made it possible and convenient for cooperation and collaboration between teams located all over the world. We at Devellop are enjoying and taking advantage of this progress by working on cutting edge information and communication (ICT) projects across the globe. Join us in this virtual journey!

Web Development

We provide a wide array of software design and development services – from web applications, system integrations to user interface design and quality assurance.


Mobile Development

Embedded, smart phones, tablet or phablet, we are experienced to deliver. From communication application through payments to internet of things – we have covered it all.

AndroidiOSC/C++/C#Windows MobileIntel XDK

Data Processing

No matter if data is big or small, one-time, daily or real-time processed, we are experienced to build those systems, processing financial transactions, documents and other data.

AWS CloudJavaPostgresOracleMySQLSQL Server

About Us

Devellop is not a typo.

In the mid of 18th century, this was the way how develop has been written.

And throughout the centuries devellop has been developed into develop.

We are not from 18th century, but we are developers with huge experience.

Devellop provides custom development services from our offices in Belgrade, Serbia.

We like to develop and we know how this should be done.

Our extensive portfolio of solutions resolves business problems of various multinational clients.

Why Devellop?

Our talent, customer service philosophy, experience and advantageous rate structure combine to provide you with the highest possible value as a development partner. We care about our client success and work collaboratively with them to amazing results.

Our management philosophy, the work environment, family atmosphere and company benefits ensure a satisfied and happy workforce leading to low employee turnover.

Why Belgrade, Serbia, Europe?

Belgrade is an ideal city for a near-shore and off-shore development facility for a number of reasons. Most importantly Belgrade has an enormous amount of talented developers.

Belgrade is a capital of Serbia among the biggest cities in the South-Eastern Europe with around 2 million citizens and major transport hub in the region, the only one with direct flights to USA and to almost all major cities in Europe

Belgrade is in CET time zone, which enables overlapping between development teams during regular working hours, making daily communication efficient and hassle-free for all parties.


Ericsson, Sweden



Service delivery platform exposes the messaging, device and location capability to 3rd parties that enable content and service application providers to access a wide range of network resources.

Document Management


Document Management

Xendle is innovative cloud based platform for file and document management, advanced team collaboration and business process automation.

Tessitura Network, USA

Tessitura Network

Arts & Cultural Technology

The Tessitura Network is a modern CRM platform that enables arts and cultural organizations around the world to manage, interact and understand their customers.




Fleet Management

Complex fleet management solution in operation since 2000, constantly upgrading throughout the years in accordance with technology and market trends.

Transport Management System


Transport Management System

Comprehensive cloud based software tool for transport-related data and document management, analysis, visualisation and reporting.




Comprehensive automatic fare collection and vehicle monitoring solution deployed in Belgrade public transport on around 2000 vehicles - busses, minibuses, trams, trolleybuses and light rail.

Telecom Services

Telecom Services


Cost effective, innovative and reliable traditional products for traditional telecom operators such as IN and USSD gateway, SMS center and Promotion box.



Passenger Info System

BusInfo provides information to the passengers over the mobile phone about location of public transport vehicles and their distance to the bus stops.



Electronic distribution

System for distribution and processing of electronic products, such as mobile phones top-up, vouchers, calling cards, electricity, payment cards and loyalty schemes.

Contact Us

If you have questions or inquiries, please feel free to get in touch. We will be happy to share any information with you.

Devellop doo

Skyline tower A,
Kneza Miloša 90A/132
11000 Belgrade, Serbia
+381 11 381 2000
+381 11 381 2030