Custom Java Development Services
Honed over the space of over 12 years since SYTOSS was born, our Java development expertise has been a driver behind a multitude of complex IT projects.
Our Java mastery has been acclaimed by major Western-European and Middle-Eastern Telco giants, system integrators and enterprise companies. Along with some other vital capabilities, it has shaped us as a regular, full-stack provider of bespoke software development to such a vastly demanding industry sector, as Telecom.
We have a wealth of expertise and experience in using Java to develop Billing, Ordering, Rating, Invoicing, CRM, Document Management, Time Management and a variety of other B2B, B2C, and B2E applications.
The Potential We Can Bring Into Play:
- Experience with the full breadth of the Java stack.
- A 100+ team of select, highly educated, and skilled Java software engineers with 3-19 years of Java development experience.
- Omniscient Java Architects with 7-10 years of Java architecture design experience.
- Experience managing and delivering large-scale Java projects, implemented by multiple Scrum teams.
- Experience in creating Java software for businesses in the Telco, Real Estate, and eCommerce industry sectors.
We Provide:
- Project-Based Java Software Outsourcing
- Java-Related Team Extension
- Java-Related Complementary Services
Presently, we can be referred to as a Swiss-army-knife Java development provider, able to create a high-quality Java embodiment of your business idea, no matter how intricate, challenging, or large-scale.
We Provide:
- Project-Based Java Software Outsourcing
- Java-Related Team Extension
- Java-Related Complementary Services
Java Web
- Java-based AJAX UI
- Spring Framework
- Open Source Frameworks: Apache Wicket, Apache Isis, Velocity
- Java Server Faces and JSF component frameworks
Server & Desktop
- MicroServices, REST API/AJAX, SOAP Services
- JDO and JPA Frameworks: Hibernate, Datanucleus, MyBatis
- Eclipse RCP, Java FX, Swing
- EJB, JMS
Other Skills
- Application Servers: WebSphere, JBoss, etc.
- Java Servers: Tomcat, Jetty
- Build systems: Maven, Gradle, Ant
- Domain-Driven Development
- Test-Driven Development
- Behavior-Driven Development
Quick Start
With us, you, as our client, have the ability to allocate 1-2 well-proven Java developers to your project almost at once. We can put together a Java development team on your behalf within a timeframe of 3-7 weeks.
Cost-Efficiency
Being a mature Java development service provider, we offer a stupendous value-for-money ratio. Our very moderate prices can spare you a significant part of your regular development costs (up to 40% of what you’d pay in the West, the bulk of the Middle East, Australia, and New Zealand).
Engineers Tailored for You
Our approach to Java development is tailored to long-term strategic relationships. We cultivate a client-driven attitude by training our Java developers (especially, Junior Java developers) in the specifics of clients’ projects in advance.
Fast Team Extension
We boast a strong Recruitment team that focuses on hiring Java developers nationwide and has a strong affiliation with the local Java developer community. Also, we have a Java Bench Team to enable quicker Java hires.
Java Web
- Java-based AJAX UI
- Spring Framework
- Open Source Frameworks: Apache Wicket, Apache Isis, Velocity
- Java Server Faces and JSF component frameworks
Server & Desktop
- MicroServices, REST API/AJAX, SOAP Services
- JDO and JPA Frameworks: Hibernate, Datanucleus, MyBatis
- Eclipse RCP, Java FX, Swing
- EJB, JMS
Other skills
- Application Servers: WebSphere, JBoss, etc.
- Java Servers: Tomcat, Jetty
- Build systems: Maven, Gradle, Ant
- Domain-Driven Development
- Test-Driven Development
- Behavior-Driven Development
Our Lead Experts

Yevgeny Vasilyev
Solution Architect
Yevgeny Vasilyev’s working experience as a Java Developer and Java Development Manager spans more than two decades, spent by him at several major international product-driven and custom software development companies.
During his career, Yevgeny has held the positions of Scrum Master, Project Manager, Solution Architect, and Delivery Manager. He has a great deal of expertise, related to Java development for the Telecom, Real Estate, and other industries.
Yevgeny Vasilyev graduated from Kharkiv National University of Radioelectronics with an MA degree in Software Engineering.

Sergey Sverdlov
Senior Java Developer / Team Lead
Sergey Sverdlov is a highly competent Java/Oracle developer and Solution Architect, with a total of more than 6 years of Java development experience.
As a Java developer, Sergey has taken part in an array of projects for overseas Telco and Real Estate clients. He also has a strong economic background and a significant amount of experience in such business areas, as Telecommunications, Logistics, Supply Chain, and Inventory Management. This experience was gained by Sergey at several international companies.
Sergey Sverdlov holds an MA degree with honors in the Management of Foreign Economic Relations from Kharkiv National Polytechnic University.