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David Schoutens
EJB tutor
US$25.00 /15 min
Full-stack software craftsman and technical leader with over 15 years of experience. Equally adept at system design, programming, technical leadership, mentorship, and business collaboration. Have a wide breadth of technical experience, but specialize in backend API development, relational databases, and web applications. Passionate about simplicity and efficiency. I have worked at over a dozen companies large and small, in a handful of different domains. Also participated in hundreds of interviews, about half-and-half as the interviewer and the interviewee. I have given dozens of talks and training sessions on a variety of topics, mostly focusing on distributed systems, caching, and testing. My top skills are Java, SQL, testing, and refactoring. I have experience with formal academic and professional mentorship, and would love to help you skill up, solve a problem, or just nerd out with you today!
- EJB
- Java
- SQL
- JavaScript
- Test driven development
- Code Refactoring
- Object-Oriented Programming
- Git
- Clojure
- AWS
- Angular
- XSLT
- JSP
- JBoss
- WebSphere
- WebLogic
- ActiveMQ
- Elasticsearch
- GitLab
- Apache Kafka
- Vue.js
- MongoDB
- Spring
- WebSocket
- React
- Lambda
- Neo4j
- Java 7
- Docker
- Amazon SQS
- Kubernetes
- Java J2EE
- Oracle Database
- Java EE
- Coaching
- Java 8
- Training
- AWS Kinesis
- Grails
- Google BigQuery
- Big Data
- Google Cloud Platform
- DynamoDB
- Solr 4
- Java 11
- Git flow
- Version control
- GitHub
- Team collaboration
- Scripting language
- Lisp
- Functional Programming
- Vim
- VS Code
- Refactor
- Eclipse
- Intellij
- PostgreSQL
- Oracle SQL
- Oracle PL/SQL
- Database Performance Optimization
- Database Scaling
- Spring Boot
- Spring webflux
- Reactive Programming
- JUnit
- Testing techniques
- Sonar
- Project lombok
- Domain-Driven Design
- Unit Testing
- Integration Testing
- Functional Testing
- Mocking
- Mockito
- Testing
- Test Automation
- Markup
- HTML/CSS
- .NET
- Design Pattern
- Node.js
- TypeScript
- Component
- Angular 4
- jQuery
Kirill Erokhin
EJB tutor
US$25.00 /15 minI teach Operating Systems and functional programming fundamentals to CS students and guide fellow professionals through legacy codebase maintenance, practical software architecture, and new language/framework learning skills. For students, I offer two types of sessions - one is a lecture-style session where I can go over course notes/slides on a particular topics and offer additional explanations and examples to improve your understanding of the material. Another type is an assignment take-up session where I can go over a past assignment and guide you through steps to solving it. For working professionals, I offer the following options: * Focused problem-solving sessions - if you have a particular issue that you're stuck with in a project you're working on, I can pair with you over Zoom screen-sharing * Code review - if you cannot understand how to work with part of your codebase or if you'd like a second opinion on work that you've just completed, I can pair with you over Zoom and do a live code review and/or prepare ahead of time and go over my findings on a call * Long-term mentorship - if you would like to learn some more fundamental skills or pick up a framework/design pattern/best practices, I can develop a custom-tailored learning plan that fits your skill level and schedule and offer regular teaching sessions with optional take-home exercises A bit about me --- I am a tech founder and a senior polyglot/full-stack developer, with a passion for teaching and mentorship. In a bit of spare time from my work, I am looking to help fellow software developers get more comfortable with our craft and exercise my teaching skills while I'm at it. So far, I've done a wide range of work - web app front-end and back-end, data pipelines at scale, DevOps/infrastructure, mobile (quite a bit of iOS and previously some Android) and some security. I have a reasonable taste for UI design and user experience, despite that not being my primary specialization. The industries I've worked in so far were heavily concentrated around finance/banking/FinTech and GovTech, although I've also been a founding developer at a couple of B2C startups and learned a lot throughout that experience. My personal research interests include operating systems and programming language theory. As cliche as it sounds, I try to learn something new all the time and I consider this of vital importance to my professional skillset. I always prioritize systems understanding and learning how to learn over memorizing APIs - and it's a philosophy that I try to share with my students as well. Teamwork and constant exchange of expertise with my peers is a close second most important value to me. A software product can be almost meaningless without a team that welcomes learning from failures, encourages curiosity and fosters true human friendships, and empathy both towards each other and towards the customers of the software we create. New client intake process --- 1. Intro/triage call [free of charge] [15 min] - this is a Zoom video call where I try to understand your background, the problem you're looking to solve and whether I believe we'd be a good fit for a productive mentor/mentee relationship. 2. Supplemental terms acceptance - as an independent contractor and not an employee of Arc, I ask my clients to accept a few additional terms that make session time measurement, scheduling and work product acceptance more precise, and further clarify the extent of our mentorship relationship. 3. Creation of Freelance Job/Scheduled Session on Codementor - if you haven't done that yet, I will ask you to create and assign me a freelance job and/or a scheduled session with a precise description of the topics we would be covering. For certain sessions, preliminary preparation may be required - if that is the case, we would discuss the details and estimated time ahead of time and a Freelance Job would be required to cover the effort of the preparation. Availability --- Please take a look at my Codementor calendar to plan intro calls and sessions. Generally, I am available between 3:30pm and 8pm Eastern Time (New York/Toronto), Monday to Saturday, but I try to schedule all of my teaching engagements between 6pm and 8pm whenever possible. *IMPORTANT: Urgent sessions are unfortunately not available at this time.* I am currently working through Codementor as a mentor, and unable to work as an on-call freelance developer. Please also note that I cannot provide consultations over chat - in my experience, it's generally more time-consuming for everyone, and copy-pasting code over chat can get messy. For those reasons, I only work through Zoom video calls with screen sharing. If you have any questions about the process or would like to book a call, I am happy to chat on Codementor - I should be usually available Monday-Saturday, 1pm - 8pm Eastern Time, subject to my other engagements. While I try to respond as soon as I can, I may take up to one business day or longer depending on how busy my schedule might get.
- EJB
- DevOps
- Java
- React
- Functional Programming
- Systems Programming
- Scheme
- Technical Writing
- Twilio
- Web Application Security
- Nginx
- Docker
- Git
- Amazon S3
- Amazon EC2
- Full Stack
- AWS
- Security software
- JavaScript
- Python
- DynamoDB
- Swift
- Airtable
- Node.js
- Spring Boot
- React Native
- OAuth
- TypeScript
- npm
- Es6
- SAML
- Objective-C
- Redux
- Scala.js
- RabbitMQ
- OpenStack
- PHP
- C#
- Java EE
- WebSphere
- IBM DB2
- Apache Kafka
- Kafka streams
- C++
- C
- Raspberry Pi
- Linux Kernel
- Shell
- Clojure
- Racket
- Terraform
- HAProxy
- Google Cloud Platform
- Kubernetes
- Packer
- Operating Systems
- Ansible
- Distributed Systems Engineering
- Progress Chef
André Thieme
EJB tutor
US$29.90 /15 min#### Empowering Developers: From Novice to Expert Are you looking to embark on your software development journey or elevate your existing skills? With expertise in Python, Java, TypeScript/JavaScript, Rust, Dart/Flutter, Haskell and Clojure. I offer comprehensive guidance tailored to your needs. My approach combines technical proficiency with essential soft skills, ensuring you're well-equipped for the industry's challenges. #### Beyond Learning: Practical Implementation For those seeking hands-on assistance, I'm available for projects of various scales. Whether it's implementing new features, debugging complex issues, or optimizing database performance with Postgres and MongoDB, I bring a wealth of experience to the table. My commitment to clean code, SOLID principles, and multi-layered architecture ensures robust, maintainable solutions. #### Navigating the AI Landscape In the rapidly evolving field of artificial intelligence, I offer insights into the workings of Large Language Models (LLMs) and their applications. From crafting effective prompts to exploring the potential of open-source models, I can guide you through the intricacies of AI integration in your projects. Let's unlock the power of AI together and push the boundaries of what's possible in software development. #### Cutting-Edge Methodologies My unique approach to software development incorporates algebraic design principles and property-based testing. By employing a multi-tiered model that seamlessly integrates declarative functional programming, object-oriented design, and imperative coding, I create systems that are both elegant and efficient. This methodology allows for clear, abstract specifications that translate into practical, high-performance code. *Technologies / Skills* - Clean Architecture - Python - Java - TypeScript/JavaScript - Rust - Dart/Flutter - Haskell - Clojure - PostGreSQL - MongoDB - SOLID principles - TDD / BDD / ATDD - LLMs - ChatGPT, Claude, Llama
- EJB
- Clean Architecture
- Haskell
- ClojureScript
- Common Lisp
- JavaScript
- Java
- MySQL
- HTML/CSS
- Dart
- Rust
- BDD
- Web Development
- PostgreSQL
- Database
- Analytics
- Data analytics
- Querying
- Java Swing
- Apache Maven
- AI
- Interfaces
- Concurrent Programming
- Om
- Core.async
- Cljs
- Lein
- Ring
- Node.js
- Closure
- Google Closure Library
- Google Closure
- Inheritance
- Polymorphism
- Java 7
- Java 8
- Java EE
- JavaFX
- React
- JPA
- Jsf
- Cdi
- Java Application Server
- Appserver
- JBoss
- WildFly
- Javafx 2
- JDBC
- Generics
- OOP
- Abstract class
- SQL
- Select
- Update
- Insert
- Delete
- Rows
- Big Data
- jQuery
- AJAX
- JSON
- WebSocket
- CSS3
- Macros
- SOLID Principles
- Domain-Driven Design
- Continuous Deployment
- Continuous Integration
- Acceptance Testing
- Test driven development
Aaron Hanson
EJB tutor
US$40.00 /15 minhttps://nftcoffee.dev/ I fell in love with coding at age 13 and haven't looked back since. I've learned lots of languages along the way, but I'd have to say my favorites are Solidity and JavaScript. I'm a huge proponent of science/tech education, free speech and digital privacy rights.
- EJB
- Solidity
- React
- Node.js
- JavaScript
- Python
- Java
- SQL
- Regex
- Git
- Bitcoin
- Vercel
- GraphQL
- Amazon EC2
- Amazon S3
- Web Scraping
- Data structure
- Mathematica
- Data warehouse
- Data parsing
- XML
- WinForms
- Batch File
- Visual Basic
- ASP.NET MVC
- VB.NET
- Angular
- Visual Studio
- Underscore.js
- Sencha
- MVC
- Ext JS
- MicroStrategy
- Linux
- Bash
- Unix
- JSP
- JBoss
- Desktop Applications
- Apache tomcat
- Lua
- Physics
- Game
- Game Design
- PHP
- Payment gateway
- Server Administration
- Apache Hadoop
- WCF (Windows Communication Foundation) Service
- Database
- Web3
- Ethereum
- Blockchain
- Next.js
- Intellij
- Eclipse
- Java EE
- Virtualenv
- Pip
- Apache Spark
- Pandas
- Scipy
- NumPy
- C
- C++
- Cryptocurrency
- LESS
- HTML/CSS
- jQuery
- Subversion
- CVS
- Hg
- Version control
- GitHub
- Moment.js
- Mongoose
- WebSocket
- Web Service
- npm
- MongoDB
- NoSQL
- PostgreSQL
- MySQL
- Oracle
- Web Development
- Data modeling
- Es6
- Tailwind css
- Python 3
- Python 2
- Microsoft SQL Server
- Git flow
- Express.js
A N M Bazlur Rahman
EJB tutor
US$50.00 /15 minSeasoned Java software engineer with over a decade of expertise in designing, developing, and optimizing high-performance systems. Proficient in leading technical teams and mentoring emerging talent, I have consistently delivered quality software solutions that exceed business expectations. Recognized as an active thought leader, I have spoken at international industry conferences and contributed to esteemed platforms like InfoQ and Foojay.IO. Armed with a comprehensive skill set that combines technical mastery, proven leadership capabilities, and extensive industry knowledge - Senior Java developers with 11+ years of experience. - Experienced back-end developer (developed a backend system for a financial application that serves 10+ million users). - Expertise in developing mobile applications - Expert in Java ( including Java 11-21, lambda expression, and stream API, Concurrency) - **Published four books** on Java ( 3 of them best-sellers) - Java User group leaders - Contributed AdoptOpenJDK project **Editorial Contributions** • Contributing Editor for the Java Queue and Architecture Queue at InfoQ.com. • Editorial Contributor at Foojay.io. **Community Leadership and Engagement** • Founder and Organizer for the Java User Group of Bangladesh (JUGBD), community meetups and conferences since 2013. • Recently joined the Jakarta EE Ambassadors Program. • JCP Associate Member: Active member of the Java Community Process. **Technical Contributions and Workshops** • Eclipse Committer for the Jakarta Starter project. • Presented talks on Java and software engineering topics. More details at bazlur.ca/conference-talks. Twitter: https://twitter.com/bazlur_rahman LInkedIn: https://www.linkedin.com/in/bazlur/ Key Skills: Programming Language: Java (JSE, JEE), Java 8, Java 11 to Java 21, Scala, Python, Groovy, C, JavaScript Frameworks: Spring Boot, Spring Framework, Grails, Hibernate, JPA, JMS, Android Database: Oracle Database, DynamoDB, Microsoft SQL Server, MySQL, PostgreSQL Development Tools: IntelliJ Idea, Eclipse, Maven, Gradle, GIT, TeamCity(CI/CD), NeverCode CI, Middleware: Apache Tomcat, JBoss EAP, Oracle WebLogic Server, AWS (CloudFront, CloudWatch, Beanstalk, S3, SNS/SQS, Lambda, Ec2, Kinesis, Redis, Redis PubSub), jPOS Operating Systems: Mac OS X, Linux Ubuntu, Linux CentOS Others: Microservices, RESTful API design, and integration, Clean Code, Clean Architecture, OOP, SOLID, TDD, Design Patterns, Agile methodologies
Paul Hansen
EJB tutor
US$15.00 /15 minI've been blessed with many wonderful opportunities throughout my career, which have helped me grow not only as a professional, but as a person. My greatest pleasure comes from witnessing the transformation of a mentoree in both confidence and knowledge! When I'm done with work for the day I transition to my own open source projects: ranging from - zero-dependency DI framework in Kotlin - persistent/immutable data structure library in Kotlin I'm learning K8s by running a raspberry pi cluster in a basement server rack for home automation. Enough about me, let's get to work on improving your current situation!
- EJB
- Java
- Kotlin
- Docker
- Microservices
- Spring
- AWS
- Jetty
- Spring Boot
- Microsoft SQL Server
- Ext JS
- PostgreSQL
- Jersey
- Jax rs
- Java 8
- Apache tomcat
- Handlebars.js
- WildFly
- Azure
- Firebase
- Google Cloud Platform
- Apache Kafka
- Java 11
- JPA Hibernate
- Flux
- MVC
- Vault
- Messaging
- Docker Compose
- JUnit
- JDBC
- Jdbi
- Jackson
- Post
- JPA
- Koin
- Coroutines
- Hibernate ORM
- Apache Maven
- Security software
- Swagger
Find your personal EJB tutor on Codementor today 
Users love our EJB tutors
See the power of our EJB tutors through glowing user reviews that showcase their successful EJB learning journeys. Don't miss out on top-notch EJB training.
“I am a Junior in college preparing for a technical interview for an internship at a technical company. I have been grinding leetcode and watching hundreds of videos in preparation of this interview, but one meeting with Dejan revealed all the gaps in my knowledge. Problems that I though I truly understood, I really only had a surface level understanding of them and had memorized how to write the code for them. I would highly recommend working with Dejan if you want to feel 100% ready for technical interviews“
ajay tadinada / Mar 2025
Dejan B.
EJB tutor
“Outstanding mentor provided by Niket on Goggle Colab and Tableau project. His knowledge is very good and expert skills is great. I am well pleased with his critical and analytical abilities of the subjects and professional qualities. Great person and great work in tutoring me. Thank you Niket.“
Ruhgaris Ruhle / Apr 2025
Niket Kedia
EJB tutor
“Zack was awesome! Understood exactly what I needed, took the time to run through it with me, explained everything really clearly and helped to unblock and get me back up and running with the understanding I needed. Thank you!“
Paul Strachan / Apr 2025
Zack Plauché
EJB tutor
“Senghor is very knowledgeable with complex SQL scripts and SSIS. I have had the pleasure of working with him numerous times and each time he has delivered exactly what I needed. I would highly recommend Senghor for any help you need with databases, SQL, and SSIS.“
Taliaa / Apr 2025
Senghor Bruce Etienne
EJB tutor
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We'll help connect you with a EJB tutor that suits your needs.
Find the most suitable EJB tutor by chatting with EJB experts.
Arrange regular session times with EJB tutors for one-on-one instruction.
Frequently asked questions
How to learn EJB?
Learning EJB effectively takes a structured approach, whether you're starting as a beginner or aiming to improve your existing skills. Here are key steps to guide you through the learning process:
- Understand the basics: Start with the fundamentals of EJB. You can find free courses and tutorials online that cater specifically to beginners. These resources make it easy for you to grasp the core concepts and basic syntax of EJB, laying a solid foundation for further growth.
- Practice regularly: Hands-on practice is crucial. Work on small projects or coding exercises that challenge you to apply what you've learned. This practical experience strengthens your knowledge and builds your coding skills.
- Seek expert guidance: Connect with experienced EJB tutors on Codementor for one-on-one mentorship. Our mentors offer personalized support, helping you troubleshoot problems, review your code, and navigate more complex topics as your skills develop.
- Join online communities: Engage with other learners and professionals in EJB through forums and online communities. This engagement offers support, new learning resources, and insights into industry practices.
- Build real-world projects: Apply your EJB skills to real-world projects. This could be anything from developing a simple app to contributing to open source projects. Using EJB in practical applications not only boosts your learning but also builds your portfolio, which is crucial for career advancement.
- Stay updated: Since EJB is continually evolving, staying informed about the latest developments and advanced features is essential. Follow relevant blogs, subscribe to newsletters, and participate in workshops to keep your skills up-to-date and relevant.
How long does it take to learn EJB?
The time it takes to learn EJB depends greatly on several factors, including your prior experience, the complexity of the language or tech stack, and how much time you dedicate to learning. Here’s a general framework to help you set realistic expectations:
- Beginner level: If you are starting from scratch, getting comfortable with the basics of EJB typically takes about 3 to 6 months. During this period, you'll learn the fundamental concepts and begin applying them in simple projects.
- Intermediate level: Advancing to an intermediate level can take an additional 6 to 12 months. At this stage, you should be working on more complex projects and deepening your understanding of EJB’s more advanced features and best practices.
- Advanced level: Achieving proficiency or an advanced level of skill in EJB generally requires at least 2 years of consistent practice and learning. This includes mastering sophisticated aspects of EJB, contributing to major projects, and possibly specializing in specific areas within EJB.
- Continuous learning: Technology evolves rapidly, and ongoing learning is essential to maintain and improve your skills in EJB. Engaging with new developments, tools, and methodologies in EJB is a continuous process throughout your career.
Setting personal learning goals and maintaining a regular learning schedule are crucial. Consider leveraging resources like Codementor to access personalized mentorship and expert guidance, which can accelerate your learning process and help you tackle specific challenges more efficiently.
How much does it cost to find a EJB tutor on Codementor?
The cost of finding a EJB tutor on Codementor depends on several factors, including the tutor's experience level, the complexity of the topic, and the length of the mentoring session. Here is a breakdown to help you understand the pricing structure:
- Tutor experience: Tutors with extensive experience or high demand skills in EJB typically charge higher rates. Conversely, emerging professionals might offer more affordable pricing.
- Pro plans: Codementor also offers subscription plans that provide full access to all mentors and include features like automated mentor matching, which can be a cost-effective option for regular, ongoing support.
- Project-based pricing: If you have a specific project, mentors may offer a flat rate for the complete task instead of an hourly charge. This range can vary widely depending on the project's scope and complexity.
To find the best rate, browse through our EJB tutors’ profiles on Codementor, where you can view their rates and read reviews from other learners. This will help you choose a tutor who fits your budget and learning needs.
What are the benefits of learning EJB with a dedicated tutor?
Learning EJB with a dedicated tutor from Codementor offers several significant benefits that can accelerate your understanding and proficiency:
- Personalized learning: A dedicated tutor adapts the learning experience to your specific needs, skills, and goals. This personalization ensures that you are not just learning EJB, but exceling in a way that directly aligns with your objectives.
- Immediate feedback and assistance: Unlike self-paced online courses, a dedicated tutor provides instant feedback on your code, concepts, and practices. This immediate response helps eliminate misunderstandings and sharpens your skills in real-time, making the learning process more efficient.
- Motivation and accountability: Regular sessions with a tutor keep you motivated and accountable. Learning EJB can be challenging, and having a dedicated mentor ensures you stay on track and continue making progress towards your learning goals.
- Access to expert insights: Dedicated tutors often bring years of experience and industry knowledge. They can provide insights into best practices, current trends, and professional advice that are invaluable for both learning and career development.
- Career guidance: Tutors can also offer guidance on how to apply EJB in professional settings, assist in building a relevant portfolio, and advise on career opportunities, which is particularly beneficial if you plan to transition into a new role or industry.
By leveraging these benefits, you can significantly improve your competency in EJB in a structured, supportive, and effective environment.
How does personalized EJB mentoring differ from traditional classroom learning?
Personalized EJB mentoring through Codementor offers a unique and effective learning approach compared to traditional classroom learning, particularly in these key aspects:
- Customized content: Personalized mentoring adapts the learning material and pace specifically to your needs and skill level. This means the sessions can focus on areas where you need the most help or interest, unlike classroom settings which follow a fixed curriculum for all students.
- One-on-one attention: With personalized mentoring, you receive the undivided attention of the tutor. This allows for immediate feedback and detailed explanations, ensuring that no questions are left unanswered, and concepts are fully understood.
- Flexible scheduling: Personalized mentoring is arranged around your schedule, providing the flexibility to learn at times that are most convenient for you. This is often not possible in traditional classroom settings, which operate on a fixed schedule.
- Pace of learning: In personalized mentoring, the pace can be adjusted according to how quickly or slowly you grasp new concepts. This custom pacing can significantly enhance the learning experience, as opposed to a classroom environment where the pace is set and may not align with every student’s learning speed.
- Practical, hands-on learning: Mentors can provide more practical, hands-on learning experiences tailored to real-world applications. This direct application of skills is often more limited in classroom settings due to the general nature of the curriculum and the number of students involved.
Personalized mentoring thus provides a more tailored, flexible, and intensive learning experience, making it ideal for those who seek a focused and practical approach to mastering EJB.
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