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Working with Existek you will find a full cycle of Java software development services in one place. Years of experience and dozens of completed projects allow us to create everything, starting with an MVPs for startups and ending with complex enterprise business automations. We create custom applications and enterprise solutions which fits business of all sizes


As a professional Java application development company, we love this language and the technologies which accompany it. We use Java because it has high performance, secure, has a great community and powerful IDEs as well as a huge number of flexible frameworks and libraries. But most of all we love this stack because it gives us powerful tools to accomplish our main goal - to exceed expectations of our customers

  • Tomcat
  • JBoss
  • Ketty
  • Glassfish
  • Spring
  • JSF
  • GWT
  • AWS
  • Azure
  • Google Cloud
  • Digital Ocean
  • Oracle
  • PostgreSQL
  • MongoDB
  • MySQL
  • Maven
  • Ant
  • Gradle
  • Jenkins


The technology gives us the scalable, secure and flexible way to create industry-specific solutions for e-commerce, finances, healthcare, insurance, marketing, and telecommunication industries. Being an experienced Java software company, we have accumulated technical knowledge needed to create dynamic and extensive solutions for your company. Existek offers your research and development services and delivers reliable and result-oriented products


We make bespoke application for enterprises including but not limited to resource management, business process automation, management, and optimization. Java EE is the perfect tool to solve your business challenges


  • Business Intelligence
  • Embedded Systems
  • Task Management
  • Finance and Accounting
  • ERP
  • CRM

Existek is a Java web application development company experienced in build feature-rich web applications, including SaaS and PaaS that have same or deeper functionality as desktop applications and are enjoyable to use due to a fluent interface


  • e-Learning
  • Payment Processing
  • eCommerce
  • Multimedia Portals
  • SaaS Products
  • PaaS Platforms


We focus our Java development services on the achieving the best possible outcome in the vast variety of industries and technology domains. Whether it is business process automation or blockchain platform, working with Existek you can be sure that we apply our skills to make your project successful


Working with the dedicated team by Existek is the perfect option for mid- to long-term projects that require an advanced expertise and full control over the process. Here's why:

  • Lower expenses - Hiring developers in Eastern Europe can reduce your project cost by 50% while keeping the same high quality of the code and communication
  • Flexible management and transparent reporting - we don’t have any restrictions in terms of what development or PM tools your team can use.
  • Full control - you have full control over our dedicated resources and can rely on us in the situations where you need assistance at the same time
  • A large team of experienced and qualified junior, middle and senior Java developers.
  • Adjustable working hours - no matter in which part of the world you’re located, we will adjust our working hours to match your schedule and ensure effective collaboration
  • Rich technical expertise - we guarantee that our team knows how to achieve your goals and solve the most complex technical challenges
  • Mature processes - well-established software lifecycle model, DevOps, continuous delivery, project management and communication
  • Zero time and money recruitment cost: we staff your team by engineers from our talent pool