What We Do?

We provide software development and team extension services and we make it our business to advise and guide you through every step of the process, bringing new ideas into play wherever we can.

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Milica Karetić .NET DEVELOPER
Mladen Stanojević Founder / CEO

Custom development

If you're looking for a long-term reliable partner to realize new innovative ideas that will provide your customer with additional value and differentiate your business in a tough competitive environment, it is Sotex who delivers the result.

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Our Customers

Our customers are choosing tailor-made solutions when they are unable to find suitable ready-made solutions on the market. This usually means support for specific business processes that create added value and provide competitive advantage to companies.

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70+ unique projects

We have years of experience with customized development and have successfully completed more than 70 unique projects for small and medium-sized enterprises as well as international corporations.

How We Work?

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You tell us what kind of a solution you need, how you want it to run, which business processes are involved for us to deliver a system exactly fitting your needs.

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Business analysis and consulting

Based on our experiences, we know how to ask the right question.We analyze the requirements and prepare the most optimal solutions for your challenges.

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Ux design & prototyping

User experience is a critical factor than can make or break your project. Our UX design and prototyping experts will make sure the resulting UI is highly usable across various devices and platforms.

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Application development

We devise the solution plan, define solution architecture and design the user interface based on practical user experience. We also make sure that the solution is developed in line with good software development practices.

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Migration and upgrade

Do you have an outdated technological solution that no longer comply with the desired standards? We know how to upgrade it to the latest technological standards.

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Integration of various systems

The solution is integrated with your existing systems to incorporate it in your existing business processes as much as possible.

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Support and maintenance

We provide maintenance for our solutions and support end users. We listen to the users' needs and wishes and enhance the solution with improvements.

Web Application Development

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Be it custom web app development from scratch, migration from your legacy application to a new solution or enhancement of the front-end functionality, at Sotex, we are eager to accept your web development challenge staying within time and budget limits.

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Through the years, we have perfected our delivery processes and workflows to cope with constantly changing requirements and tight deadlines that are the hallmark of complex web development project. Our Scrum expertise was instrumental in successfully building new products for global brands, including ScotiaBank, Gazprom Neft, Killerspin and others.

How It Works?

We always keep in mind the idea of future business expansion, so your solution will be built scalable and flexible to be modified later as your business grows or transforms.

We usually suggest splitting the whole project into several iterations (well-defined periods of time with fixed goals and deliverables), which has the following advantages:

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Each iteration delivery is done on time and on budget

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Each delivery has to be accepted to confirm all the requirements have been met.

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Each delivery contains some of the expected functionality and can be put to use right away.

Mobile development

Case Studies

Sotex talent pool of mobile app developers includes highly-skilled analysts,UX experts and certified software engineers who are well-versed in building apps for all the major platforms-whether it's IOS, Android, or both. Apps can be developed naively, or by using platforms such as Cordova/PhoneGap or Xamarin.

All our specialists are on a high alert to deliver all-round custom mobile app development services, from consulting and project specification to integration, deployment and market release. We cover:


Business analysis, applcication architecture, team selection and monitoring.

UX/UI Design

We cover all, from wireframes to high-fidelity prototype development

Mobile App Development

Native or cross-platform mobile application development

Mobile Testing

End-to-end functionality testing, scalability testing, different device testing, name it, we've got you covered.

IOS app developer
Danilo Aćimović App Developer

How It Works?

Picking the right approach to mobile app development is a critical success factor that can make or break your project. Sotex mobile app developers typically use an agile, low-risk mobile development methodology that has a proven success record and ensures rapid results and 100% visibility.

Cross-platform development for mobile platforms is often a good way to cut development costs and bring your solution to the market faster. By developing a cross-platform app you make it immediately available on all major platforms, including iOS, Android, Web, and more.

Cross-platform apps are typically easier and less expensive to maintain due to the large code overlap between platforms, In the case of, code reuse can be as high as 90%.

Our pool of highly skilled mobile developers are well-versed in modern cross-platform tech stack, including Flutter, Cordova/PhoneGap and React Native, and will help you build your app on time and on budget.

Architecture & Consulting

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With vast experience in software development, implementation, quality assurance and software support, our consulting and advisory services are built on a deep understanding of all business and functional requirements as well as ambiguous nuances of business workflows

Sotex team of consultants have the skills, methods and tools to help the client in adapting to the market demand and building up revenue through digital transformations. We back up our services with multi-year expertise, and it shows at every project stage: Planning > Implementation > Maintenance


Planning Stage

  • Drafting and revising the strategy
  • Selecting the platforms
  • Mapping business requirements to features
  • Planning releases for iterative solution improvement


Implementation Stage

  • Platform-based solutions or custom development
  • Integration
  • Data migration


Maintenance Stage

There's always room for more growth, and Sotex is ready to uphold the craving for improvements, be it new functionality or better interoperability, performance, usability, scalability and bug fixing.

Team Extension

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Thinking about extending your technical delivery department with a nearshore team that is fully dedicated to you? This is what we call "Team Extension". Sotex has mastered the process of engaging and developing highly qualified technical talent.

We understand what makes a great engineer, and know where to find them. If you are looking for reliable software development team, our existing talent pool and our recruitment capacity are here to fulfill your needs.


We have been working with .NET framework using C# language since our early days, and it remained our main programming language till nowadays. We keep following the latest trends in the .NET world in order to deliver the most advanced and up-to-date technologies and features of this platform to our customers. Using .NET technologies like ASP.NET MVC, ASP.NET WebAPI, WCF, Entity Framework, WPF, etc., we are creating powerful Enterprise solutions, Web-based and Windows-based applications.

Front End Technologies

Frontend is the final meeting point between the end user and our system. As we acknowledge the importance of it, we naturally take special care about frontend development. Relying on a number of modern web development principles, we are making beautiful and intuitive frontend apps. By utilizing new features provided by HTML5 and CSS3 coupled with JavaScript/jQuery and a number of popular frameworks (i.e. Bootstrap, HTML5 Boilerplate, AngularJS) we strive to use contemporary trends. In order to meet the goals set by our clients, we employ modular coding methodologies, such as OOCSS / BEM / SMACSS and provide them with responsive web apps available across browsers and platforms.


We consider databases to be the foundation of every application we create. This is why we put great effort in the process of database design. Our database developers and programmers have deep knowledge and extensive hands-on experience gained through successful completion of sophisticated projects that have incorporated the following database engines: MySQL, Microsoft SQL Server, Oracle and PostgreSQL.


We specialize in development for mobile devices. We provide full-cycle custom development and UX/UI design of native iOS, Android and Windows Phone apps for you or your clients’ business goals. Our engineers and designers are always up-to-date with the most current operating systems’ versions, making sure that your application will look great.

PHP Web Development

Sotex accomplished PHP developers possess hands-on experience in designing and developing scalable, reliable, rich-functionality web applications for both startups and established businesses. Our PHP experience covers range from custom PHP projects to Magento and even WordPress implementations.

IoT app development

Sotex delivers custom web & mobile apps that harness the power of connected devices to advance lifestyles and empower enterprises with next‑generation Internet of Things products.

NetSuite SuiteCommerce

NetSuite SuiteCommerce can deliver consistent, engaging and personalized shopping and service experiences if implemented and maintained well. In Sotex, we help our customers to build and maintain digital storefront on high level to promote their brand and to boost the sales.

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