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 has been conceived as a provider of custom software to Telecom and other enterprise-grade clients, and it has shaped as a company in precisely this vein. Regardless of the size of your Web app, we are likely to be a 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.
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
- Behavior-Driven Development
Backend:
- C#,.NET Core, Java, Node.js, C++
- MicroServices
- REST API
- SOAP Services
- Cloud Services
Frontend:
- 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
- Behavior-Driven Development
Are We a Good Fit for Your Web App Development Needs?
The bulk of our Web app development portfolio is made up of 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.
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 competencies and strengths, we have a lot more to offer you as Enterprise App Developers.

Cloud Technologies
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.
Knowledge-Intensive Functionality
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.
High Requirements Compliant
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.
Enterprise-Friendly
Second-to-none proficiency with enterprise-friendly Web app development technologies, such as Java, .Net, and JavaScript.
We build large-scale and intricately designed Web apps from the ground up, including both backend and frontend.
Neat and Solid Solutions
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.

Cloud Technologies
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.
Knowledge-Intensive Functionality
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.
High Requirements Ensuring
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.
