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VY

Vladimir YJava Software Engineer

$6500/month
Java SE
Java EE
Java FX
PHP
JavaScript
C
C++
Pascal
Python
Swift
Akka
CSS
DHTML
HTML
XML
EJB
Jackson
JDBC
Spring
Swing
Gson
Hibernate
Microsoft SQL Server
MongoDB
MySQL
Oracle Database
PostgreSQL
Redis
Kohana Framework
Zend
AWS
Azure
GCP (Google Cloud Platform)
AWS S3
Azure
Google App Engine
Apache ActiveMQ
Kafka
RabbitMQ
Apache HTTP Server
JBoss
Nginx
Windows Server
Apache Maven
JUnit
Centos
macOS
Oracle Solaris
RedHat
Ubuntu
Windows
FaceApi
Facebook Graph API
Log4j
Windows API
Git
Mercurial
Gradle
GAE
GCM
Guava
Netty
Smarty Templating Engine
...

• 11 years of practical experience in software development. • Excellent experience with application engineering, architecting and development. Capable of analyzing, designing complex, high loaded systems, efficient resources management and problem solving. Quick learner of new technologies. • Fluent English level.

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Seniority Senior (5-10 years)
Location Ukraine
View Vladimir Y
YD

Yevhenii DBack End Developer

Node.js
Ruby on Rails
Ant Design
TypeScript
Crashlytics
Java
JavaScript
EJB
jQuery
React Native
DigitalOcean
Heroku
Azure DevOps
PayPal API
Spotify
Stripe
Twilio
sendgrid
Ext JS
OpenSearch
UPS
...

Highly experienced backend developer with over five years of experience specializing in commercial application development with Node.js, Ruby on Rails, and front-end technologies including React.js. Holds a Master's Degree in Software Engineering from Uzhgorod National University. Proficient with a suite of databases and services such as PostgreSQL, MySQL, MongoDB, ElasticSearch, RabbitMQ and Redis, with a strong command of API integration (Stripe, PayPal, Twilio). Skilled in DevOps practices and cloud platforms like AWS, Google Cloud, and Heroku. Well-versed in multiple programming languages and frameworks, demonstrating significant technical expertise in JavaScript/TypeScript, Node.js, Nest.js, and Ruby. Successfully applied a deep understanding of software engineering principles, SDLC, and development patterns to a variety of complex projects across different domains.

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Seniority Senior (5-10 years)
Location Uzhgorod, Ukraine
View Yevhenii D
Sergii K.

Sergii K.Java Developer

Java
Java EE
Spring Boot
Hibernate
C/C++/C#
Core Java
EJB
GWT
Java Servlets
JDBC
JPA
Spring Core
AWS ElasticSearch
Oracle Database
PL/SQL
Redis
SQL
AWS
AWS ElasticSearch
Apache Maven
SoapUI
Eclipse
vim
Web Services
Git
SVN
Gradle
GraphQL
JSP Liferay
JBoss
WildFly
Linux
macOS
microservices architecture
SOAP
Shell Scripts
CCXML
Oracle SQL Developer
VXML
...

- 10+ years of experience in software development, developing web and enterprise applications using Java / J2EE, Spring Boot, and Hibernate technologies. - He has developed and implemented commercial products using modern technology and supported existing value-added services (VAS) systems. Has experience in the customization of PLM /CAD systems for the needs of the enterprise. He built solutions to integrate with external systems and 3PP. Maintenance of work VAS voice products. - Location: Ukraine - Available: ASAP

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Seniority Expert (10+ years)
Location Kyiv, Ukraine
View Sergii K.
SH

Stephane HenriSenior Full Stack Java Developer

Java 5yr.
Azure DevOps
Linux
Python
TypeScript
Ajax
Ant Design
Bootstrap 4
jQuery
Angular
EJB
iBATIS
JMS
JPA
JSF
JSON
Spring
Struts
Mockito
Hibernate
MongoDB
MySQL
Oracle Database
PostgreSQL
Apache Maven
JUnit
Mockito
Selenium Webdriver
TestNG
Apache NetBeans
Eclipse
WSDL
Apache Tomcat
JBoss
Nginx
Bamboo
Jenkins
CVS
Git
Fedora
Ubuntu
JIRA Core
microservices architecture
SOAP
RESTful API
Antes
C/C++/C#
DB2 LUW
JetBrains IntelliJ IDEA
RHEL
Tortoise SVN
...

Software engineer with over 10 years of experience specializing in full-stack development and DevOps. Holds a Master's degree in Computer Science from Ho Chi Minh City University of Technology. Proficient in a diverse set of programming languages, including Java, C#, and Python, with extensive knowledge of frameworks such as Spring and Angular. Demonstrated success in leading engineering teams, improving system performance, and working through the full software development cycle. Notably increased yearly revenue by $1.4M through strategic web app re-architecture and boosted ad revenue by overseeing a network managing upwards of $50K annually.

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Seniority Expert (10+ years)
Location Finland
View Stephane Henri
Ed L .

Ed L .Senior Software Engineer

Python 20yr.
React 7yr.
Azure 2yr.
C
C++
Java
JavaScript
Kotlin
TypeScript
Angular
AngularJS
Node.js
Webpack
CSS
HTML
jQuery
SCSS
EJB
Java Server Pages (JSP)
JMS
JPA
JSF
Spring
Flask
Kibana
AWS DynamoDB
AWS ElasticSearch
Cassandra
MongoDB
MySQL
PostgreSQL
Redis
SQL
AWS
AWS DynamoDB
AWS EC2
AWS ElasticSearch
AWS S3
AWS SNS
AWS SQS
Apache ActiveMQ
RabbitMQ
Apache Maven
Apache Tomcat
Docker
Terraform
FastApi
OAuth
Gradle
Helm
HTTP
Linux
Logstash
MVC (Model-view-controller pattern)
SOAP
UML
...

- 26+ years of experience in IT; - 20+ years experience working with Python; - 2 years experience working with Azure; - 7 years experience with React; - Experience working with Flask; - 15+ years experience working with Java; - Experience working with Kotlin, Spring; - 8+ years working with JavaScript; - Good skills with Angular, TypeScript, and Node.js; - Deep abilities working with PostgreSQL, SQL, MySQL, and MongoDB; - Good knowledge of AWS; - Experience working with Docker, Terraform; - Deep skills with C, and C++; - English: Upper-Intermediate.

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Seniority Senior (5-10 years)
Location Finland
View Ed L .
AB

Adrian B.Team Lead / Senior Java Developer

Java
Groovy
JavaScript
Ant Design
HTML
jQuery
XML
EJB
Java EE
Java Server Pages (JSP)
MySQL
Redis
SQL
AWS
AWS EC2
AWS Lambda
AWS RDS (Amazon Relational Database Service)
Agile
TDD
Ansible
CircleCI
DevOps
Gradle
Jenkins
Pipeline
Sonarqube
Apache Maven
Cypress
JUnit
NUnit
QA
Apache Tomcat
Bash
Docker
Git
GitHub
GitLab
SVN
HTTP
Linux
Unix
Swagger
My Requests65
...

- 37+ years of experience in IT. - Proficiency English

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Seniority Architect/Team-lead
Location Romania
View Adrian B.
SR

Sciapan RScala and Java Software Engineer

$35/hr
Scala
Java
C#
Groovy
JavaScript
Lua
Akka
Play Framework
Scala SBT
Angular
React
EJB
Freemarker
Jackson
Java EE
Java Servlets
Java StAX API
JAX-RS
JDBC
JMS
JPA
JSON Patch
JSON Schema
RESTeasy
SAX
Spring
Entity Framework
Gson
Mockito
jQuery
XPATH
XSLT
AWS ElasticSearch
Hibernate
MongoDB
ORM
PostgreSQL
Redis
Slick database query
AWS EC2
AWS ElasticSearch
AWS Kinesis
AWS Lambda
AWS RDS (Amazon Relational Database Service)
AWS S3
AWS SES (Amazon Simple Email Service)
Apache ActiveMQ
Kafka
Apache HTTP Server
WildFly
Apache Maven
Mockito
Apache NetBeans
Web Services
Apache Subversion
BitBucket
Git
GitLab
Docker
FTP
HTTP
WebSockets
Gradle
Keycloak
OpenAPI
Winforms
Linux
Windows
SOAP
AM
CDI
Deadbolt
ebMS
GeoJSON
Groovy type checking extensions
Java EE 7
Java IO
Java Reflection
Java Scripting Engine
JetBrains IntelliJ IDEA
JMS etc
JParsec
JPQL
MBeans
MTOM
OpenEJB
QpidJMS
Qpid Proton
Redis Lua scripting
Twirl
Undertow
Validator
WUS
...

- 5+ years of experience in IT - Upper-intermediate English - Available ASAP

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Seniority Senior (5-10 years)
Location Belarus
View Sciapan R
AP

Andrei P.Senior Java/Go Developer, Team Lead

Java
Go
C
C#
C++
Delphi
Groovy
JavaScript
Objective-C
Pascal
Scala
Apache Camel
Dagger
EJB
Java EE
JPA
JSON
Quarkus
Sencha
Spring Cloud
CSS
HTML
LESS
XML
XSLT
Dagger
Fabric
ES6
React
Sencha
Webpack
Fabric
GORM
GORM
Hibernate
Liquibase
Microsoft SQL Server
MongoDB
MySQL
Oracle Database
PostgreSQL
Redis
SQL
AWS
Spring Cloud
AWS EC2
AWS ECS (Amazon Elastic Container Service)
AWS S3
Apache ActiveMQ
Kafka
Apache Maven
Bash
Perl
Debian
iOS
Kubuntu
Linux
Ubuntu
Windows
Docker
Git
Jenkins
Kubernetes
RESTful API
Apache CXF
Apache Karaf
JetBrains IntelliJ IDEA
Spring Boot
...

- 17+ years experience in IT; - 8+ years experience working with Java; - 4+ years experience working with Golang; - Good knowledge of AWS; - Experience working with Docker, Kubernetes (K8s); - Good abilities with MySQL, PostgreSQL, Microsoft SQL Server, Oracle Database, MongoDB; - Good skills with C, C++, C#, JavaScript, React; - Experience working with Apache Karaf, Apache Camel, Apache CXF, Apache AMQ; - Experience working as a team leader; - Fluent in English.

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Seniority Senior (5-10 years)
Location Ukraine
View Andrei P.
Serhii

SerhiiSoftware Engineer / Team Lead / Architect

Python 10yr.
React 7yr.
Azure 5yr.
Java
Zeebe 2yr.
Cobol
Groovy
JavaScript
PHP
PL
Scala
Angular
Ant Design
CSS
HTML5
jQuery
SAML
XML
Apache Camel
EJB
Google Web Toolkit
Hudson
JavaFX
Java Server Pages (JSP)
JDBC
JSF
JSON
Mule
Spring Cloud
Spring JDBC
Jasper
Play Framework
Scala SBT
Apache Spark
Apache Spark
AWS ElasticSearch
Cassandra
ELK stack (Elasticsearch, Logstash, Kibana)
Hibernate
Microsoft SQL Server
MongoDB
MySQL
Oracle Database
SQL
Machine Learning
AWS
GCP (Google Cloud Platform)
Spring Cloud
AWS EC2
AWS Elastic Kubernetes Service (EKS)
AWS ElasticSearch
AWS Lambda
AWS S3
Ansible
Gradle
Helm
Hudson
Kubernetes
Apache Maven
JUnit
Selenium Webdriver
Camunda
Docker
Eclipse
SOAP Web Services
Spring Web Services
Web Services
Git
SVN
GraphQL
RESTful API
JBoss
Kafka
RabbitMQ
LDAP
microservices architecture
TDD
Unix
Windows
CyberArk
Drools
JBoss Seam
Spring Boot
...

- 22+ years experience in the IT industry as a back-end engineer; - 22 years of experience working with Java; - 10 years of experience working with Python; - 5 years of experience working with Microsoft Azure; - 7 years of experience working with React; - Deep skills working as a full-stack developer; - Strong experience working with Oracle Database; - 2+ years of experience working with Zeebe; - Good skills with Camunda; - Good skills with Scala; - Experience working with JavaScript; - Deep abilities working with Angular; - Experience working with RabbitMQ; - 2 years of experience working in a multinational financial services company; - Good knowledge of working with Microsoft SQL Server, MySQL, Oracle Database, SQL, MongoDB; - Deep skill working with AWS (ElasticSearch, EC2, Lambda, S3, EKS); - Good abilities with Google Cloud Platform (GCP); - Proficient in using Docker, Kubernetes, and Kafka; - Fluent in English, Intermediate German, and Intermediate French.

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Seniority Senior (5-10 years)
Location Bulgaria
View Serhii

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Want to hire EJB developer? Then you should know!

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How and where is EJB used?

  • Scalability: Handling large-scale systems
  • Transaction Management: Ensuring data integrity
  • Security: Secure application development
  • Asynchronous Processing: Optimizing performance
  • Resource Management: Efficient resource allocation
  • Integration: Seamlessly integrating different systems
  • Error Handling: Effective error management
  • Messaging: Facilitating communication between components
  • Concurrency Control: Managing simultaneous access
  • Caching: Improving application performance

Compare Junior, Middle, Senior, and Expert/Team Lead EJB Developer roles

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior0-2 years
  • Code debugging
  • Simple feature implementation
  • Documentation updates
50,000
Middle2-5 years
  • Module development
  • Code optimization
  • Integration testing
75,000
Senior5-8 years
  • Architectural design
  • Mentoring junior developers
  • Performance optimization
100,000
Expert/Team Lead8+ years
  • Project management
  • Technical strategy planning
  • Team leadership
150,000

Quick Facts about EJB.

  • Created back in 1997, EJB (Enterprise JavaBeans) Software Development revolutionized the Java enterprise application development scene.
  • Most commonly used in large-scale enterprise projects such as banking systems, e-commerce platforms, and government applications.
  • Entry into EJB development requires a solid understanding of Java programming, object-oriented principles, and application server configurations.
  • Servlets and JSP (JavaServer Pages) are among the most popular technologies used alongside EJB for building robust Java web applications.
  • Fun Fact: Did you know that EJB 2.0 was criticized for its complexity, leading to major simplifications in the subsequent EJB 3.0 release?

TOP EJB Related Technologies

  1. Spring Framework
  2. Apache Struts
  3. Hibernate ORM
  4. Java Persistence API
  5. Apache CXF

What are top EJB instruments and tools?

  • JBoss: A wild tool by Red Hat, released in 1999
  • WebLogic Server: Oracle’s powerhouse since 1996
  • GlassFish: Sun Microsystems’ fishy creation from 2005
Table of Contents

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Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Manager
Maria Lapko
Global Partnership Manager
Book a call

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FAQs on EJB Development

What is a EJB Developer? Arrow

A EJB Developer is a specialist in the EJB framework/language, focusing on developing applications or systems that require expertise in this particular technology.

Why should I hire a EJB Developer through Upstaff.com? Arrow

Hiring through Upstaff.com gives you access to a curated pool of pre-screened EJB Developers, ensuring you find the right talent quickly and efficiently.

How do I know if a EJB Developer is right for my project? Arrow

If your project involves developing applications or systems that rely heavily on EJB, then hiring a EJB Developer would be essential.

How does the hiring process work on Upstaff.com? Arrow

Post Your Job: Provide details about your project.
Review Candidates: Access profiles of qualified EJB Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.

What is the cost of hiring a EJB Developer? Arrow

The cost depends on factors like experience and project scope, but Upstaff.com offers competitive rates and flexible pricing options.

Can I hire EJB Developers on a part-time or project-based basis? Arrow

Yes, Upstaff.com allows you to hire EJB Developers on both a part-time and project-based basis, depending on your needs.

What are the qualifications of EJB Developers on Upstaff.com? Arrow

All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism.

How do I manage a EJB Developer once hired? Arrow

Upstaff.com offers tools and resources to help you manage your developer effectively, including communication platforms and project tracking tools.

What support does Upstaff.com offer during the hiring process? Arrow

Upstaff.com provides ongoing support, including help with onboarding, and expert advice to ensure you make the right hire.

Can I replace a EJB Developer if they are not meeting expectations? Arrow

Yes, Upstaff.com allows you to replace a developer if they are not meeting your expectations, ensuring you get the right fit for your project.