Who we are?

We are Zesium

ZESIUM is a software/mobile app development and consultancy company from Novi Sad, Serbia.


Our key focus is developing tailor-made software products for our partners to efficiently resolve their business challenges.


We are your technical partner offering complete support with software development, web/mobile apps (Android/iOS) as well as Internet of Things (IoT) and Artificial Intelligence (AI) solutions to improve your business operations and revenue.

Contact Us

What We Offer


- for projects with known production challenge but without technical expertise and necessary capacities


- for projects with business ideas only and limited business and technical capacities


- for projects with a known problem and technical solution but without development capacities

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What we do?

Examples of our work


Who Speaks

Zesium has been involved in various industries and we have special bond with agriculture where we successfylly implemented applications that we are the most proud of.


Polovni Automobili

The final result of Polovni Automobili mobile application was a plethora of satisfied users, increased number of users of both web/mobile applications and higher ratings within the Stores.



AfterParty is a social app for people to connect – it allows users to meet new people, share the unforgettable moments together and find interesting parties.



R&D project with our partner Speech Morphing Systems, Inc. resulted in Reata, an iOS mobile application assisting users to stay up to date with their messages and also facilitate the life for people with mobility restrictions or visual impairment.


Digital Vision Webshop / 3G Store

Zesium was a part of development of two mobile applications for Digital Vision DOO (B2B and B2C) enabling our partner to run their business more efficiently.


ApParking Spot

ApParkingSpot is a web/mobile app (Android/iOS) helping drivers to find, book and pay for (private) parking in urban area quickly.


Bravo Majstore Delmax

Bravo Majstore is a mobile app for Delmax co registered users enabling personalized customer services improving purchase process and customer retention.



A task management solution to plan and organize yourselves via tasks in a playful way, for all ages and that can be used for private and business purposes


John Deere

John Deere is a mobile/web app developed for JD Serbia for farmer customer service – that way, two-way communication became faster and easier.


One Traffic

OT is Waze-like mobile navigation app providing travelers with road traffic info – main goal is communication among aII traffic participants


Outage Management System (OMS)

OMS app allows direct reporting from users on electric failures in distribution network so a precise failure location can be detected and repaired quickly



Peštan web app monitors the usage of Handheld device in work process of the company and to allow Admin Users to overview the process.

Why We are Good?

What People Say About Us

“ We at Avico have a long experience of working with partners. The reason why we prefer to collaborate with Zesium is that they always act proactively. Zesium is capable of taking the ownership of the whole project.


Besides their technical skills, we can always rely on Zesium for the project and product management which is many times the key for success! ”

Velimir Karadzic

Co-Owner at Avico & Owner at BridgeSoft Solutions AB

“ Zesium has developed our whole platform with backend, frontend and native mobile applications.

We can really recommend to everyone to work with this great team. ”

Sasa Farkas

CEO, ApParkingspot Nordic AB

“ Zesium and OT have collaboration in the field of mobile app development and innovation consulting.

Zesium team helped OT to develop MVP solution and also to develop a mobile app for their smart traffic system.

Highly skilled team!. “

Andre Eilertsen

CEO, OneTraffic Inc.

“ We have developed a great partnership with Zesium in building our product.

With cooperative and solution oriented people, this journey has been both fun and successful. “

Filip Stamenkovic

CEO and Founder of “Fleaty”

“ We are a Swiss startup with German roots.

We’ve contacted Zesium at a very early stage and got to know them as a highly reliable partner.

Zesium is an open-minded and creative sparring partner and the app developer with high-quality expertise and professionalism/

Zesium is a jackpot for everyone who works with them. “

Gordana Lowenkamp

CEO and Co-Founder of “CombMe”

“ ZESIUM provided new and innovative ideas for the app.

The team was flexible during the initial process and was very good at maintaining the project timeline.

The Android app worked perfectly and users were impressed and appreciated the solution. “

Tamara Popovic

Business Development, RTI John Deere

‘User’s have had great comments the app. It works well, and the collaboration with ZESIUM was smooth.

The deliverables were completed on the expected dates, with one exception.

They did everything that was asked for, and more.’

Ognjen Vlaskalin

Co-Founder, Eipix.com

‘The project has been successful, leading to a continued longer engagement.

ZESIUM consistently provides high-quality results that meet the needs and expectations of the internal team.

The team is communicative and responsive, ensuring a smooth collaboration.’


Head Of Software Services Department, ADMS Software Company

‘We have approached Zesium with a very complex project of creating a complete solution for sports betting platform.

They have managed to take on this challenging project and we have successfully launched in some countries with more coming in the future.

Cooperation with Zesium has been very professional and joyful experience.’

Richard Nebeský

Managing Director, Champion Bet Uganda

I want to express my appreciation for the exceptional work done by the Zesium team in developing our mobile application, “The Outdoor Toolkit”.

Throughout the development process, the team’s communication was seamless, and they were receptive to our suggestions for improvement.

I would like to highlight the app’s design, which is incredibly user-friendly and visually appealing.

Working with the Zesium team was a pleasure, and I am grateful for their expertise and professionalism.


Thank you for your hard work.

Andreea Garbea

Project Manager, Clubul Sportiv ARAO Miercurea-Ciuc, Romania

What's new?

Latest From Zesium

Our articles

Events and news

12/2023 News

Most Innovative Mobile App Development Company in Serbia for 2023!🏆

Proud to be awarded as the Most Innovative Mobile App Development Company in Serbia for 2023!🏆

11/2023 Event

Happy Halloween🎃from Zesium

Happy Halloween from the Zesium team 🎃- we carved pumpkins and unleashed our creativity – good times we had🧟‍♀️👻

11/2023 News

Exciting days for Zesium at the Prow Conference in Timisoara

We attended the Prow Conference in Timisoara where we learned, got inspired, met new acquaintances and established valuable connections.

Career position

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