Our Services

You can rely on the expertise of our employees at any time. Benefit from competent advice and profound support whenever you need it. The EJB City offers state-of-the-art software developement chain, providing expert level on following areas:

IT Consulting

The frontier of business growth and opportunity on the Internet seems endless. Unfortunately, the challenges sometime seem endless too...

Project & Quality management

We use a spiral, waterfall, incremental, or rapid prototype project management methodology depending on your interest and project type...

Custom software solutions

We are providing custom and open-source based software solutions for mobile, embedded, web-based and enterprise application development...

Application & System-integration

We support your running software applications by helping you to maintain, enhance and integrate them with other different local and remote services...

Clean Code

We provide you with our expertise in software architecture & source code reviews. We do it by using different open source and commercial tools...

Trainings & Workshops

We share our experience and expertise through dedicated trainings and workshops on software development process...

Our Portfolio

You are active for your customers and perform operative tasks to solve problems in the development of applications, or in the project management? Use the special knowledge of our experts in these fields. We will support your engineers - in the daily business and also by training courses or within the scope of a know-how transfer.

Below a complete list of our activity areas together with some closed and current reference projects, eventually involved partners and addressed customers.

Automotive Projects


Design, Development, Tests & Methodology

Financial Projects


Design, Development

e-Commerce Projects


Design, Development

Pharma Projects


Design, Development

e-Government Projects

e-Government & Digital Signature

Design, Development, Tests

Research & Development

R & D

Design, Development, Tests & Methodology

EJB City Products

Own Development

Design, Development

Miscellaneous Projects


Design, Development

Join us!

Become a member our City! Whether you're fresh out of college, or an experienced professional as free-lancer, or as employee, the EJB City is the right place to be. Learn who we are and what we expect of a future work with you. Inform about our offering and what you can expect from us.

You can always submit your CV/resume (as PDF, or Microsoft Word format only) at any time at jobs[at]ejb-city.de and it will be automatically considered for all available vacant positions. By submiting your resume, you have agreed our privacy statement.

We are hiring/looking for

JAVA Developer
Full-stack developer having knowledge and mastering more than one of the following technologies:
  1. J2EE / JMS / JAXB
  2. Portlets / SOA / ESB
  3. Hibernate / JPA / JXTA / JDBC, MyBatis
  4. OSGI / jBoss / Spring / Spring Boot / Grails
  5. AJAX, DOJO, AngularJS, Node.js, jQuery, Vue.js
  6. JSF, Seam, Struts, JSP, Spring Boot Thymeleaf
  7. HTML / HTML5, CSS, Bootstrap
  8. WSDL / WebServices / REST API / SOAP
  9. XML / XPATH
  10. Oracle / MySQL / NoSQL
  11. SQL / PL-SQL
  12. QM / QS Prozesse & Tools
  13. Java Cryptography & Security
  14. AZURE / AWS Cloud API / Security / Services
  15. Docker, Kubernetes
Submit your Resume

We are hiring/looking for

JAVA Architect
You have to:
  1. create the high-level design
  2. dictates technical standards including software coding standards, tools and platforms
  3. make cross-component design decisions
  4. mediate between business and development, resp. communicate with both parties
  5. define and present technical designs, analyze new technologies
  6. be in charge of the architectural roadmap.
  7. provide adequate solutions during the software development lifecycle
  8. perform complex programming tasks incl. prototyping (proof of concept)
  9. perform complex software engineering tasks.
You fulfill following requirements:
  1. Master Degree in Computer Science
  2. Certification in Java / J2EE, Cloud Azure / AWS, Hadoop, or Big Data technologies (e.g. Apache Spark)
  3. Design Patterns
  4. Software Modeling (UML)
  5. 10+ years of technical experience in building web and enterprise applications
  6. Experience in building enterprise level risk and stress calculation and aggregation systems including but not limited to Full revaluation Taylor Series, Grids / Ladders projection, Stress and scenario analysis
  7. Configuration, QM & QS, Project Management (e.g. Maven, Hudson)
  8. Communication / Presentation / Leading skills
Submit your Resume

About us

EJB City consolidates many decades of e-Business software expertise. Founded in Feb. 1999, our Berlin-based software company is active in the enthralling and highly dynamic environment of business software and is very successful in a well-established network with customers and partners all over Europe. We develop cost-conscious and efficient IT-solutions resp. IT-systems for our customers and realize projects for leading groups in the industry on a national and international scale.

EJB City the name says it all. We are open for innovative technologies and motivated high-speed thinkers. Open-minded for different approaches and unorthodox perspectives. In short, we are open for all the next big things we can use to develop state-of-the-art technologies for our customers also in future.

The professionality of our international team relies not only on a profound education, but also on their intensive experiences in these different fields ensuring you with competent consulting services and reliable operative support.

Client Satisfaction


Web Design


Software Development


QM & QS Management




One of the pillars of our work is building bridges between theory and practice, knowledge and people, vision and reality in every aspect of what we do.

The EJB City GmbH maintains robust, mutually-beneficial relationships with many organizations and companies in industry and in research. Such a synergy brings about business growth and new opportunities for both parties, fosters more productive environment, and contributes to faster business development.


EJB City Flyer (DE)
EJB City Flyer (EN)


Adrian Koepe

CEO & Founder

For more than 20 years, Adrian Koepe has worked at the interface between retail banking, business automation and optimisation and technology management. At EJB City GmbH, he is shaping the path to the technological future.

He has a proven track record in the introduction of new technology-based products, integration and implementation of highly scalable platform architectures in numerous long-term and often international projects. He is also responsible for technical leadership and professional technical delivery within EJB City GmbH.

Employer of the Future Award - 2023 M&A Today Global Award - 2024

Contact us

Do you have any questions about our services, or products? Do you have ideas concerning collaboration, or partnership? Would you like to work with a young company and take responsibility?

You may address your concerns using our mail address. By submitting your concerns (e.g. name, email address, message content), you agree to our Privacy.

Here you can find all the required information in order to contact and find us. You can contact us from Monday through Friday from 8:00 am to 8:00 pm under:

EJB City GmbH      EJB City S.R.L.   
   Herthastrasse 23A         Bucharest / Ilfov   
  14193, Berlin   
  Germany        Romania   
   +49 30 236245 56   
  +49 176 2386 000 1   
   +49 30 236245 68   
   www.ejb-city.de         www.ejb-city.com