Custom Java Development Services

Whatever Java Allows, We Can Deliver

Regardless of What the Task Is, - a Java Application to Be Developed from Scratch, or Just a Couple More Good Java Developers to Lend a Hand with an Ongoing Project, - We Are Here to Help


  • Project-Based Java Software Outsourcing
  • Java-Related Team Extension
  • Java-Related Complementary Services

Honed over the space of almost 10 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.

Presently, we can be referred 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.

What Are the Benefits that Can Make You a Happy Client?

  • The ability to allocate 1-2 well-proven developers to your project almost at once.

  • The ability to put together a Java development team on your behalf within a timeframe of 3-7 weeks.

  • A stupendous value-for-money ratio: very moderate prices that 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).

  • Tailored, Long-Term Strategic Relationships: training of our Java developers (especially, Junior Java developers) for them to get a handle on the specifics of your project in advance.

Get In Touch with Us to Learn More



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
  • Behaviour-Driven Development

To enable you to attain your business goals,
we have the following potential to bring into play:

Java Development Services
  • A 60+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.

  • 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.

  • A strong Recruitment team that focuses on hiring Java developers nationwide and has a strong affiliation with the local Java developer community.

  • Experience with the full breadth of the Java stack.

  • A Java Bench Team to enable quicker Java hires.

  • Experience managing and delivering large-scaled Java projects, implemented by multiple Scrum teams (with a total of up to 25 Java developers) or multilple Spiral Model-driven project teams, numbering a total of up to 50 IT experts.

  • Experience in creating Java software for businesses in the Telco, Real Estate, and eCommerce.

What Our Clients Say

An Enterprise Java Applications Development Project - Testimonial

Thomas Kamsker

"I've had the benefit of closely working with many members of this awesome team ever since 2004. We've relied heavily on SYTOSS on a number of occasions and they've been central to the success of no less than a dozen complex projects I was in a charge of implementing. Their developers are very good and fast and the best is they keep up this quality now in generations of developers.

As a software provider, they know most things Telecom inside out. I believe SYTOSS is an incredible partner, - hugely knowledgeable, dependable and easy to deal with."

Enterprise Architect
Java Software Development Project - Testimonial

Dmitry Sergey

"We’ve been collaborating with Sytoss extensively on a massive-scaled project for the Belarussian Telecom giant Velcom and have found them to be highly professional, cooperative and dependable. Their experts have an in-depth understanding of the Telecom business processes and they are, certainly, very competent as IT professionals.

We hope our cooperation with SYTOSS will continue and we look forward to working together with them on other Telco projects."


Custom Java Application Development Project - Testimonial

Manfred Schüller

"I’ve been collaborating with their core team for close to 15 years and I've also been working with them as SYTOSS for over 6 years.

As SYTOSS, they’ve been instrumental in implementing a mission-critical Billing project of nationwide importance and they’ve done a great job of it, - across the board…. Superior quality, an amazing ability to overcome any technical challenges, the ability deliver extremely complex and large-scale functionality, - I think SYTOSS has everything to make a fabulous technology partner, both highly competent and very reliable...

Billing Delivery Lead

Our Lead Experts

Java Developer Ukraine

Yevgeny Vasilyev

Solution Architect

Yevgeny Vasilyev’s working experience as a Java Developer and Java Development Manager, spans nearly 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 a MA degree in Software Engineering.

Java Software Developer Ukraine

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 a MA degree with honors in the Management of Foreign Economic Relations from Kharkiv National Polytechnic University.

Related Services and Expertise

Dedicated Java Development Team

We’ve been involved in creating efficient and cost-effective Java Dedicated Teams since our company’s inception in 2012. Over this time, we have created Dedicated Teams that included a total of up to 50 Java developers and delivered ultimately challenging Java app development projects.

We can create a Java Dedicated Team for you within in the shortest possible time (on average, this takes us 3-7 weeks, depending on the specific requirements). With a view to expediting the start of the project’s implementation, we can allocate 1-3 skilled, English-speaking Java engineers to your project with immediate effect.

If required, our company will also provide a skilled Project Manager.

Read More

Java Application Development

Java app development is one of our flagship service offerings. Designed by Java architects who have been engaged in building various Java applications for up to 20 years, our Java apps serve some of Europe’s leading Telco brands while sporting superb performance and robustness.

Our Java app developers can build a Java application for you scratch no matter how intricate this app’s functionality or how high are the performance or security requirements.

In order to reduce your Java app’s time-to-market, we are prepared to allocate several Java developers to your project immediately.

Read More

Enterprise Java Application Development

Enterprise Java application development is what the core of our Development Team has been doing for a living for close to two decades now.

Enterprise software, including major enterprise Java apps, can be a different animal from a regular, smaller-scale software application. The performance, security and other requirements are, frequently, incomparably higher. Moreover, managing large-scale development endeavors requires a somewhat different Project Management skill set.

SYTOSS is vastly experienced in the design, development and delivery of enterprise Java applications. Our Java architects and software engineers have more than once built from scratch massive-scaled Java applications for Western-European and other Telco giants.

Read More

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In the many years that they have spent developing Web applications, our Web app developers have made sure there are several aspects of this technology that major, middle-sized, and small businesses alike can richly benefit from.

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The Benefits of Java Enterprise

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