Web app development expertise with an enterprise twist

Web app development has been our core business since our founding in 2010. In the ensuing years, we have created several scores of web apps for our international clients, and gained the reputation of highly skilled and dependable Web app developers, focusing largely on complex Web applications.

The latter is no wonder: SYTOSS was conceived as a provider of custom software to Telecom and other enterprise-grade clients, and it got shaped as a company in precisely this vein. Hence are most of the strong points and distinctive characteristics we have as Web app developers. Among others, our Web app development strengths include:

Our Web App Development Portfolio

The bulk of our Web app development portfolio is made up by a variety of enterprise apps we have developed for the Telecom industry sector. However, we have also developed feature-rich Web apps for clients in the Shared Economy, Real Estate, eCommerce, Car Rentals, and other industries.

Recently, we’ve also started providing Web app development services to Western-European clients in the Publishing & Printing and FinTech verticals.

Web App Development Portfolio


  • C#,.NET Core, Java, Node.js, C++
  • MicroServices
  • SOAP Services
  • Cloud Services


  • Angular, React
  • HTML5, JavaScript, CSS
  • jQuery, AJAX
  • Bootstrap, Angular material

QA and Testing:

  • Unit and Integration
  • Selenium
  • Cucumber, JBehave
  • TestNG
  • Karma, Jest, Jasmine, Sinon
  • SoapUI
  • JMeter

Project and Delivery:

  • Agile: SCRUM, Kanban
  • DevOps, CI/CD
  • Rational Unified Process
  • Test-Driven Development
  • Domain-Driven Development
  • Behaviour-Driven Development
Web development, Java, C#, Angular, React

Our Web App Development Strengths:

  • The ability and capacity to build large-scale and intricately designed Web apps from the ground up, including both backend and frontend.

  • Second-to-none proficiency with enterprise-friendly Web app development technologies, such as Java, .Net and JavaScript.

  • The ability to ensure a Web app’s full compliance with very high performance, architecture, security, and scalability requirements, typical of enterprise-grade Web applications.

  • The ability to reflect complex business processes and to implement complex things on the Frontend in a compact manner. Over recent years, our Frontend technology focus has shifted to single-page applications that are better suited to creating complex, intuitively user-friendly and compelling GUIs.

  • As a Web app development team, we have long-standing proficiency in the development of intricate and knowledge-intensive functionality, such as, for example, calculation, authentication, verification, data protection, and other similar advanced functional capabilities.

  • Our Web app development expertise covers SAAS. In particular, we have considerable expertise in developing Cloud-based multi-tenant CRM portals with customizable features and branding.

  • As Web app developers, we have expertise in working with an array of payment systems.

  • Our Web app development team is versed in using a diverse variety of Web services to ensure a software application’s good scaling ability in relation to both the Web and mobile.

Are We a Good Fit for Your Web App Development Project?

Are We a Good Fit for Your Web App Development Project?

Regardless of the size of your Web app, we are likely to be great match for your Web app development project whenever you are looking to develop complex, intricate or non-standard functionality that needs to be implemented optimally.

We are definitely an attractive option to consider, if your Web app development needs are associated with the development of an enterprise Web application. In this case, in addition to the above Web app development competences and strengths, we have a lot more to offer you as Enterprise App Developers.

We would be happy to learn about your Web app development needs and discuss with you how we can be of assistance in implementing your Web app development project. If you drop us a line, we’ll get back to you in no time with the info you need or to schedule a call.

Implement Your Web App Development Project With Our Seasoned Web App Developers!

Related Services and Expertise

.Net App Development

.Net is one of our company’s three premier development technologies, and we have in-depth expertise in using .Net to build a variety of complex enterprise solutions.

In addition to the ability to put together a highly efficient .Net development team to fulfill any .Net development needs that you may have, we also often have an edge over other .Net providers in that we have vastly experienced .Net architects and a great deal of expertise in developing .Net apps in the Cloud.

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Java App Development

As an Enterprise software market player, we are in love with Java, know it inside out and reckon it to be one of the most promising technologies for SYTOSS as a custom software provider.

Our excellence in Java stems from several dozen Enterprise-level projects, and B2B, B2C and B2E projects we have implemented for clients in the Telecom, Real Estate and eCommerce business domains.

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Hire Ukrainian Application Developers

Ukrainian dedicated development teams are renowned for their ability to establish great rapport with overseas in-house teams and high professional qualifications.

Based in a premier Ukrainian software development hub center, SYTOSS is fully positioned to give you the best of what Ukraine as a software outsourcing destination has to offer.

We create powerful dedicated teams that consist of top-notch software developers in strict compliance with your requirements and have a stellar project portfolio.

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