Hire the best Java Persistence API (JPA) developers

Check out Java Persistence API (JPA) developers with the skills you need for your next job.

Clients rate Java Persistence API (JPA) developers
Rating is 4.8 out of 5.
4.8/5
based on 27,630 client reviews
Brian L.
$65/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Java
  • Java EE
  • JavaScript
  • jQuery
  • HTML
  • Spring Framework
  • Adobe Experience Manager
  • Java Servlet API
  • Jakarta Server Pages
  • CSS

I am an experienced Java developer with 15 years of industry experience. I have implemented solutions using Spring, Sling, Servlets, and JSPs, and most recently, Adobe Experience Manager (AEM). I have been developing components, services, servlets, and implementing solutions in AEM for the past 6-years, in AEM versions 6.1 - 6.5 and AEMaaCS. In 2018, I was one of the winners of the Adobe Immerse 2018 Community Code Contest, as well as a presenter at the Adobe Immerse virtual conference, leading a discussion on Creating Custom ContextHub Stores and UI Modules in AEM. I also have solid experience working with various JavaScript frameworks...

Ivan M.
$35/hr
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  • Android App Development
  • Android
  • Android SDK
  • Java
  • REST
  • SQL
  • SQLite
  • Git

Over 5 years of android/java development experience and over 15 in software development overall. I work with code every day, and I love my job. I have an incredible attention to detail and perseverance in getting the job done, and done well. When working on a new project, I like to speak with the clients, so that I can have a clear understanding of their needs and vision of the project. My experience and skills include: - Android Platform API: from 2.x to 7.x, fragments API, Location and Sensors API, photo and video capturing (incl. post processing), Bluetooth API, BLE API, etc; - Google API: Google Maps API, Geocoder API, AdMob, Google...

Giang L.
$50/hr
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  • Grails
  • Apache Groovy
  • Hibernate
  • Spring Framework
  • Java
  • jQuery
  • Twitter Bootstrap
  • JDBC
  • J2EE
  • Asterisk

Full stack developer with lots of experience in Grails, Java, J2EE, Hibernate, Spring, Struts, SpringBoot. Professional and academic background on architecting and building Multi-Tenant Software as a Service. Over the last 11 years, I have worked on variety of projects including web sites/Web applications, Enterprise applications, SAAS and Cloud, Microservices, Mobile Applications My skill sets include: * Languages: Java, Groovy, SQL, C, Ruby, CSS, HTML, JavaScript, PHP * Frameworks Grails, SpringBoot, Bootstrap, Ruby on Rails, Hibernate, Hadoop, Spring, YII, Laravel * Libraries/APIs Java Collections, jQuery UI, jQuery, JAX-RS, Google...

Chetan S.
$40/hr
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  • PHP
  • Java
  • Apache Groovy
  • Grails
  • HTML
  • JavaScript
  • jQuery

Over 8 years of experience in developing and maintaining applications on Grails / Java / JavaEE and related technologies. Over the last 8 years, I have worked on variety of projects including web sites/Web applications, Enterprise applications, SAAS and Cloud. My favorite development stack is : Groovy Grails OR Spring / Spring MVC + Hibernate / IntelliJ Idea / Groovy grails tool suite, AngularJS, Node.js, Bootstrap, Springboot My core competency lies in '''Object Oriented Designs''' and '''domain modeling'''. I believe that the domain should reflect your business entities and concepts.

Jorge G.
$100/hr
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  • Android
  • Kotlin
  • Java
  • Mobile
  • Testing
  • Bluetooth
  • In-App Purchases
  • Firebase
  • Core Bluetooth

I'm a native Android developer with six years of experience working on a wide range of Android projects with multiple clients. 2019 Google Play Award nominee for best app in the "Standout Well-Being App" category. I'm currently a Software Engineer at Google. I do freelance Android apps for small and medium-sized businesses looking to enter the mobile market looking to make their new product or service a reality. I've worked with startups, freelancers, and more prominent companies developing high-quality, thoroughly tested applications that perform fast and smooth across a wide range of Android phones and tablets. Skills and technologies...

Dmitriy B.
$45/hr
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  • Android
  • Android App Development
  • Java
  • Core Java
  • Mobile App Development
  • Mobile Programming
  • Firebase
  • Camera
  • Social Media Account Integration
  • In-App Purchases

I'm an experienced and professional mobile and software developer doing freelance, working remotely (telecommute) and looking for great projects to work on. I love to make your ideas alive. I care about every single line of my code. Summary of Qualifications • Expert understanding of core mobile technologies standards • Development of software, mobile web apps • Solid understanding of how the android OS works for the best performance • Passionate about all aspects of development • Modern tooling and workflow • Ability to write high-performance, maintainable and reusable code • Appreciation for quality, usability, user experience (UX),...

Yannick G.
$80/hr
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  • Java
  • AWS Lambda
  • RESTful API
  • PostgreSQL Programming
  • Linux System Administration
  • Oracle Database
  • Apache ActiveMQ
  • Hibernate
  • Docker
  • Amazon Elastic Beanstalk

I am a software engineer with 20 years of experience in multiple industry. I am a very passionate and an excellent problem solver. I work with Java 11 using Spring, Elastic Search, Jersey, Hibernate, Postresql , Mysql and ActiveMQ. I also have a lot of experience in AWS services such as Cloudformation, DynamoDB, Lambda, SQS , RDS. I have the AWS developer associate certification.

Ivan N.
$27/hr
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  • Android
  • Java
  • Kotlin
  • Android App Development
  • Native App Development
  • Mobile App Development
  • Android SDK
  • Android Studio
  • Firebase
  • Realm Database
  • RxJava
  • In-App Purchases
  • Google Analytics
  • User Authentication
  • Map Integration

Hello! I am a curiosity-driven and top-rated Android developer who create top-quality clean code for high-paced businesses. I upgrade my knowledge daily to make the development process faster and qualitative. 🏆 I have more than 5 years of commercial experience. I am well-versed in work with the following tools: ⭐Java / Kotlin; ⭐Android SDK; ⭐Android Jetpack (Room, Navigation, WorkManager, Lifecycle); ⭐Google AppEngine (Google Cloud Endpoints / Servlets); ⭐Databases: SQL / Room Persistence, Realm; Google API's (Maps, Drive, Tasks, Places); ⭐Firebase Cloud Messaging(Android / Java Server), Database, Remote Config; ⭐Google Cloud Storage...

Dominik O.
$50/hr
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  • Android
  • Java
  • Google App Engine
  • Android App Development
  • Mobile App Development

I am an experienced Senior Android Developer with 9+ years of development. I've been part of many successful start-ups and created many published apps from scratch. I'm a full stack developer. For your project I can write both the front-end Android app and Backend server application. I always take ownership for all apps I develop so quality and UX comes first. If you are looking for top quality look no further!

Sergey K.
$63/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Android App Development
  • Java
  • Kotlin
  • Android
  • Android SDK
  • Android NDK
  • iOS
  • iOS Development
  • iPad App Development
  • Swift

For 9 years of working in mobile development, I helped more than 100 companies and individuals to grow, enhance, and maximize investments from their apps, include such apps like Fitbit, CamFind, Pure and others, you can find more examples in my portfolio. I had to work with projects at various stages of life. This experience helps me to review the current project process quickly, identify areas of need, and provide defined and strategic feedback to improve existing business processes to achieve project goals. Also, I provide service after the completion of the project. In my projects, I apply modern technologies which make the...

Nikunj B.
$35/hr
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  • jQuery
  • HTML5
  • WordPress
  • Node.js
  • AngularJS
  • Spring Framework
  • MongoDB
  • SQL
  • CSS 3
  • Amazon ECS
  • Website Development
  • Java
  • PHP
  • React
  • Shopify

TOP RATED ON UPWORK + 100% JOB SUCCESS I am Web Developer with over 9+ years of professional experience in Web Application Development. My Experience: ✔ Developed 20+ enterprise level website ✔ Developed 100+ e-commerce website ✔ Developed 350+ CMS website Tools & Technologies: ✔ Shopify Theme Development and Customization. ✔ Shopify App integration and Custom app development. ✔ Wordpress Theme design and Customize ✔ ACF Plugin and Many more plugin Customization. ✔ Java, Spring, Hibernate, Node and Angular JS, Asp.net, and MVC ✔ REST APIs integration ✔ MY SQL, Mongo DB, SQL Server, Oracle ✔ AWS EC2, AWS s3, AWS SES ✔ Work with many...

Thiago H.
$75/hr
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  • Android
  • Android SDK
  • MySQL Programming
  • REST
  • Material Design
  • Firebase Cloud Firestore
  • SQLite
  • PHP
  • Java

10 years of experience working on native Android applications for high profile clients and businesses. 100% Job Success | 7,000+ Hours | Top Rated Plus | 5 Star Reviews Exclusively From planning, developing and publishing to maintaining and supporting high quality Android applications. I hope you see the experience displayed in my profile as an indication of my reliability. ✔︎ Constantly updating my knowledge with the most recent design patterns and code conventions; ✔︎ The delivery of a product that respects the highest standards of usability, performance and appearance is guaranteed; ✔︎ Great cost-benefit by delivering faster and higher...

Oleksandr I.
$44/hr
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  • Android
  • Mobile App Development
  • Kotlin
  • Flutter
  • Android App Development
  • Android SDK
  • Java
  • Smartphone
  • Firebase

Hi. I’m a native Android developer with 7+ years of software development experience. I’m working with modern development stack: Android Jetpack, AndroidX, Coroutines, LiveData, DataBinding, Room, Rx, DI, MVVM, Git, etc. I also have experience in​ using Flutter/Dart to build cross-platform solutions. Some areas in which I have extensive experience: - Media processing (photo, video, audio). - Geolocation. - Integration of third-party API like Facebook, Google, Twitter, Dropbox, Amazon. - Firebase services (FCM, Analytics, Crashlytics, AdMob, etc.). - Machine learning. - In-App Purchase. - Converting Web/IOS apps to Android. - And more…...

Rafael Jose L.
$60/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Spring Framework
  • Java
  • Scrum
  • Agile Project Management
  • Design Pattern
  • Software Architecture & Design
  • Leadership Skills
  • HTML5
  • JavaScript
  • SAP Hybris
  • API Integration
  • React
  • Web Application
  • Business with 10-99 Employees

I am a Backend Java Developer, I have a master degree in computational sciences, I have Strong experience working with, Java, Spring/Springboot, and Javascript Projects in Agile environments, on another hand I have experience working with concepts as Microservices, Test-Driven Development, Clean Architecture, Domain-Driven Design, Event-Driven Architecture, Clean Code. I also have experience leading teams in a technical and motivational way. I'm always trying to improve myself with the best programming practices, design patterns, learning new technologies, and being a better version of myself. I have achieved some development and agile...

Yevhenii B.
$35/hr
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  • Android App Development
  • JSON
  • Java
  • SQL
  • Git
  • Gradle
  • Android
  • Android SDK
  • Native App Development
  • Firebase
  • Kotlin
  • Android Room Persistence
  • Retrofit
  • Model View ViewModel
  • Tablet

Android Developer from Ukraine (UTC+2), with 8+ years of experience in designing and implementing Android applications. Deep expertise in Kotlin and Java for Android and Material Design Guidelines, skilled in mobile UI development, experienced with version controls such as Git, have great analytical and problem-solving skills. Android Jetpack; AndroidX; MVVM; MVP; MVI; MVC; Android Jetpack; AndroidX; MVVM; MVP; MVI; MVC; Company HR - please do not disturb.

Aleksandr K.
$60/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • QML
  • C++
  • Qt
  • Boost
  • Object-Relational Mapping
  • Python
  • Desktop Application
  • Linux
  • macOS
  • Microsoft Windows
  • Windows App Development
  • Java
  • Kotlin
  • Android NDK
  • Native App Development

Hey, I'm a Android app and C++ cross-platform app developer with nine years of experience. Strongly focused on desktop & system software (C++/Qt/Python/QML). Previously, I worked on different cross-platform (win/ubuntu/mac) Qt/QML desktop app maintenance Skills: C/C++, STL, Boost, Qt, QML, CMake, Python, CI/CD, Computer Science, Algorithms and Data structures. Education: Master's Degree (Software Development), 2016

Jervis S.
$35/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Java
  • Spring Framework
  • Spring Boot
  • Docker
  • Node.js
  • React
  • NoSQL Database
  • MySQL
  • Angular
  • TypeScript
  • MongoDB
  • ExpressJS
  • NestJS

A Full Stack Java Developer with 9 years of extensive experience conceptualizing, designing, building and implementing solutions that align business needs with technology solutions. With high-level proficiency in the following programs: Java, NodeJS, Spring Framework, SQL and expertise with Angular, ReactJS, HTML and CSS seeks to establish a career as the Full Stack Developer.

Prince C.
$50/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Java EE
  • Spring Framework
  • Spring Boot
  • Python
  • Java
  • MySQL
  • PostgreSQL
  • Microsoft SQL Server
  • Oracle Database
  • Firebase Cloud Firestore
  • TypeScript
  • JavaScript
  • Firebase
  • Angular
  • React

I started off my career 14 years ago and spent most of it developing software in Java. In the last couple years I have transitioned to Go as my primary language of choice. I enjoy working on many other programming languages and framework like NodeJS, Angular, React, Svelte and have dabbled a bit with Python here and there. My preferred database of choice is Postgres but I’ve worked with all types of relational databases and NoSQL databases. Although Java is still very much in my DNA, at the moment I am more focused on offers where Go is the primary language of choice. For me, Go offers a more pleasant developer experience. During my...

Yen B.
$20/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Hibernate
  • Spring Framework
  • Kotlin
  • JavaScript
  • Java
  • React

Hello there! My name is Yen. I'm a Java software engineer. My stack: Programming languages: Java, Kotlin (JVM) Technologies: Spring (Boot, Data, MVC, Cloud, Webflux), Java EE, Restlet, Hibernate, Docker Testing frameworks: JUnit 5, Mockito Databases: MySQL, Mongo Communication protocols: REST, Websocket

Oleksandr K.
$25/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Java
  • Git
  • CSS
  • SQL
  • GPS
  • Android App Development
  • Google Maps API
  • Android
  • Android SDK
  • Kotlin

I have a passion for taking the web and making it mobile. Over last 7 years I got mobile development experience in a broad range of industries, including social gaming, education, sports entertainment, dating, restaurant management and rental solutions. I have solid understanding of full mobile and software development life cycles, UIX, web analytics, changing web standards, and Agile methodologies. Dedicated to continuously developing, implementing, and adopting new technologies to maximize development efficiency and produce innovative applications.

Benjamin C.
$16/hr
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  • AJAX
  • C#
  • C++
  • CSS
  • HTML5
  • Java
  • JavaScript
  • jQuery
  • JSON
  • WordPress
  • Angular

I am committed to my customers. My work focuses on the implemented software developed by the web. I work with Php, Html, Css, Javascript, Ajax, with freamworks as codeigniter, jquery etc. I also handle development with java, visual basic. Net, c #, c + +. Database with Mysql, Postgres, Access and Excel (macros).

Denis S.
$75/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Android
  • Java
  • MySQL
  • ARKit
  • ARCore
  • Swift
  • JSON
  • iPhone App Development
  • Native App Development
  • App Development
  • Push Notifications
  • Chat & Messaging Software
  • AR Application
  • Shopify
  • Web Development

Experienced iOS/Android Developer in Swift / Java who has successfully delivered several apps to the App Store (Apple and Google Play Store) on time and on budget. I am familiar with most of popular design patterns (MVC, MVVM). I have vast experience working w/ Social networking apps, Location/Map based apps, Fitness apps, Food ordering apps, Mobile games, ARKit, CoreLocation, Alamofire, as well as several other popular 3rd party SDKs. As a reliable Top-Rated Plus developer with over 8 years of experience, I’m committed to the highest industry standards in all the work I do. I also pride myself on possessing a high level of...

Oleg S.
$59/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Android
  • Java
  • Kotlin
  • Firebase
  • Native App Development
  • Smartphone
  • Tablet
  • User Authentication
  • In-App Purchases
  • User Profile Creation

A self-taught, purposeful, and enthusiastic software engineer with 6+ years of practical experience, specializing in Java, Android, Kotlin, automated testing, Team Leadership, and Agile methodologies. I head the Android department in New Line Technologies and my responsibilities include developing and supporting software, communication with customers, mentoring subordinators developers. I have extensive experience in * the independent development of Android projects from scratch to app release on Google Play. * e-commerce projects. * multi-media projects: live video streaming (using RTMP, UDP), video processing in real-time, video...

Liezel S.
$50/hr
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  • REST
  • HTML5
  • Spring Framework
  • JavaScript
  • Spring Boot
  • Bootstrap
  • Java
  • MySQL
  • Spring Data MongoDB
  • Microservice

20 years experience in Java Full stack development using design patterns, UML, full development lifecycle. I design and implement projects from the ground up using different technologies. Very quick to learn and work with new technologies. Good at problem solving and designing a good solution for any the given project. Self-motivated and hard working. Even though I am new to UpWork, I have been working remotely for clients for the last 15 years. Technologies used: - Databases: MySQL, Postgress, H2, Derby, Oracle, Sybase, MongoDB - Backend-coding: Java, J2EE, JPA, JTA, JMS, JavaMail, JAXB, XML, SOAP, RESTful Webservices,...

Turgay U.
$45/hr
  • Trophy Icon Java Persistence API (JPA) Developers
  • Android App Development
  • Java
  • Kotlin
  • Android
  • Android SDK
  • Firebase
  • Mobile App
  • Android NDK
  • OpenCV
  • Mobile App Development
  • Native App Development
  • SQLite
  • Android Studio
  • NFC

7+ years of experience working on native Android applications for high profile clients and businesses. I've strong Java/Kotlin programming skills including low-level performance optimizations and memory management. ✔ Ml-kit, OpenCv, TensorFlow, Camera, Image Processing ✔ Clean Architecture, MVVM,Firebase, Coroutines, Live data, DataBinding, Dagger2/Hilt, Room, Retrofit, Glide, Payments

Ghassen M.
$50/hr
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  • Android
  • iOS
  • Swift
  • Java
  • Node.js
  • REST
  • Android Studio
  • Apple Xcode
  • Android SDK
  • RESTful API

I am an engineer in computer science specializing in mobile development, graduated with 5 years of software development experience. I have contributed to the success of several projects. I have good analytical and problem-solving abilities with great attention to details. I guarantee that I can provide high quality app, fully responsive, and tested in a wide range of devices. During my career I was lucky to discover professional life but above all to develop my spirit of contact and my interpersonal skills, I am always open to new projects, do not hesitate to contact me. Technologies and languages : • Android (Java, Kotlin) • Ios (Swift)...

Artem I.
$60/hr
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  • REST
  • Kotlin
  • Java
  • Android SDK
  • Material Design
  • Websockets
  • Firebase
  • Android App Development
  • Mobile UI Design
  • Google Maps API
  • Android NDK
  • SQLite
  • GraphQL
  • Mobile App Development
  • In-App Purchases

Fundamentals: Experienced Android Developer 20+ released projects 7+ years of Android development experience English: Fluent I've been developing high-quality mobile apps for more than 7 years now. I've been working on a broad variety of projects: mobile banking apps, mobile clients for enterprise systems, educational and entertaining apps, b2b and b2c projects. I've worked with applications requiring different technologies and skills. I especially want to note the experience of fixing errors made by previous developers.

$NaN/hr

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