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Yevhenii D, Back End Developer

Uzhgorod, Ukraine
Last Updated: 29 Nov 2023

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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EJB

EJB

Node.js

Node.js

Ruby on Rails (RoR)

Ruby on Rails (RoR)

Ant Design

Ant Design

TypeScript

TypeScript

Crashlytics

Crashlytics

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Ed L ., Senior Software Engineer

Finland
Last Updated: 19 Mar 2024

- 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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EJB

EJB

Python

Python   20 yr.

React

React   7 yr.

Microsoft Azure

Microsoft Azure   2 yr.

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Adrian B., Team Lead / Senior Java Developer

Romania
Last Updated: 9 Aug 2023

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

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EJB

EJB

Java

Java

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Sciapan R, Scala and Java Software Engineer

Belarus
Last Updated: 4 Jul 2023

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

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EJB

EJB

Scala

Scala

Java

Java

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Andrei P., Senior Java/Go Developer

Ukraine
Last Updated: 4 Jul 2023

- 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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EJB

EJB

Java

Java

Go

Go

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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

Only 3 Steps to Hire EJB Engineers

1
Talk to Our Talent Expert
Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
2
Meet Carefully Matched Talents
Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.
3
Validate Your Choice
Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Welcome to Upstaff

Yaroslav Kuntsevych
Upstaff.com was launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers

Yaroslav Kuntsevych

CEO
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Henry Akwerigbe
Henry Akwerigbe
This is a super team to work with. Through Upstaff, I have had multiple projects to work on. Work culture has been awesome, teammates have been super nice and collaborative, with a very professional management. There's always a project for you if you're into tech such Front-end, Back-end, Mobile Development, Fullstack, Data Analytics, QA, Machine Learning / AI, Web3, Gaming and lots more. It gets even better because many projects even allow full remote from anywhere! Nice job to the Upstaff Team 🙌🏽.
Vitalii Stalynskyi
Vitalii Stalynskyi
I have been working with Upstaff for over a year on a project related to landscape design and management of contractors in land design projects. During the project, we have done a lot of work on migrating the project to a multitenant architecture and are currently working on new features from the backlog. When we started this project, the hiring processes were organized well. Everything went smoothly, and we were able to start working quickly. Payments always come on time, and there is always support from managers. All issues are resolved quickly. Overall, I am very happy with my experience working with Upstaff, and I recommend them to anyone looking for a new project. They are a reliable company that provides great projects and conditions. I highly recommend them to anyone looking for a partner for their next project.
Владислав «Sheepbar» Баранов
Владислав «Sheepbar» Баранов
We've been with Upstaff for over 2 years, finding great long-term PHP and Android projects for our available developers. The support is constant, and payments are always on time. Upstaff's efficient processes have made our experience satisfying and their reliable assistance has been invaluable.
Roman Masniuk
Roman Masniuk
I worked with Upstaff engineers for over 2 years, and my experience with them was great. We deployed several individual contributors to clients' implementations and put up two teams of upstaff engineers. Managers' understanding of tech and engineering is head and shoulders above other agencies. They have a solid selection of engineers, each time presented strong candidates. They were able to address our needs and resolve things very fast. Managers and devs were responsive and proactive. Great experience!
Yanina Antipova
Yanina Antipova
Хочу виразити велику подяку за таку швидку роботу по підбору двох розробників. Та ще й у такий короткий термін-2 дні. Це мене здивувало, адже ми шукали вже цілий місяць. І знайдені кандидати нам не підходили Це щось неймовірне. Доречі, ці кандидати працюють у нас і зараз. Та надать приклад іншим працівникам. Гарного дня!)
Наталья Кравцова
Наталья Кравцова
I discovered an exciting and well-paying project on Upstaff, and I couldn't be happier with my experience. Upstaff's platform is a gem for freelancers like me. It not only connects you with intriguing projects but also ensures fair compensation and a seamless work environment. If you're a programmer seeking quality opportunities, I highly recommend Upstaff.
Volodymyr
Volodymyr
Leaving a review to express how delighted I am to have found such a great side gig here. The project is intriguing, and I'm really enjoying the team dynamics. I'm also quite satisfied with the compensation aspect. It's crucial to feel valued for the work you put in. Overall, I'm grateful for the opportunity to contribute to this project and share my expertise. I'm thrilled to give a shoutout and recommendation to anyone seeking an engaging and rewarding work opportunity.

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FAQs about EJB Development

How do I hire a EJB developer? Arrow

Are you desperately looking for a EJB developer validated to your requirements and skills? Are you lacking in resources and tools to find the right developer? If yes, then you are at the right place! Because at Upstaff, the selection of the EJB Developer is done professionally as per your requirement, in a short time of just a few days, from calling to the instant task of your validated developer, with all your required skills.

Where is the best place to find EJB developers? Arrow

Sure enough, within the network there must be dozens, if not hundreds, of services and platforms where you can look for the EJB guy you need, but just Upstaff lets you sort out the best of the best real qualified developers practically in a couple of minutes, so that you will be able to select the one whose personality will be a perfect fit to your company. This is the case when you can create a genuinely “Pizza” type of service in the field of custom software development.

How are Upstaff EJB developers different? Arrow

Vetting by expert human reviewers is combined with historically curated feedback from clients and team-mates, which has enabled us to save, on average, more than 50 hours for each client team evaluating EJB candidates for every position. We live and breathe technical excellence, borne out of extensive industry expertise.

How quickly can I hire EJB developers through Upstaff? Arrow

Our process begins with a 30-minute discovery call: we’ll discuss your pain points, technical requirements, and team diversity. Meet Carefully Matched EJB Talents. Upon your meeting confirmation, we’ll send you profiles and arrange an introduction call with the right talents for your project, within 1-3 days. Schedule a call to meet EJB engineers in person. Make the right call. Bring a new EJB developer on board with a trial period: confirm that the person you hired does the job right, no termination fees and no hidden fees.

How does Upstaff vet remote EJB engineers? Arrow

After this introductory round, Upstaff Managers do an eval of the soft skills of the candidates before the hiring decision is approved or rejected. For the hard skills, the Upstaff Staffing Platform has a short testing session to check their EJB skills or engage a senior developer to do a technical interview for more senior developers. You can reuse some of the hard and soft skills of past candidates to connect them with other jobs in the future (see below). Upstaff managers also do an eval of the talent before approving them for further work, allowing us to accelerate the work and ability to scale, but also providing information to clients on the talent pipeline. Finally, we also have a matching engine within the work mining system that matches candidates and jobs in real time.

How to hire EJB developer? Arrow

If recruiting services and job boards are not your 1st option, you may want to consider a client-oriented service like Upstaff to find & hire EJB developers. Upstaff has a network of vetted and tested EJB developers. Here, you can hire web developers for a few simple coding tasks with EJB.

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Table of Contents

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

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Talk to Our Talent Expert

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