J2EE Developers For Hire
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Sponsored Freelancers
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22 years architect / developer experience, with the last 4 years on scalable microservices architecture with Docker / Kubernetes. Certified Electronics and Communications Engineer (ECE License # xx875). Constantly evolving to innovate. My latest rage: Rust and Concurnas. Some of my core domains: - Banking -...22 years architect / developer experience, with the last 4 years on scalable microservices architecture with Docker / Kubernetes. Certified Electronics and Communications Engineer (ECE License # xx875). Constantly evolving to innovate. My latest rage: Rust and Concurnas. Some of my core domains: - Banking - Fintech / financial services - Blockchains / cryptocurrencies - E-commerce - ERP / CRM - Telecoms software engineering (GSM Parlay X / OneAPI) I have worked on projects for Accenture, Huawei, Deutsche Bank, Morgan Stanley Asia-Pacific (Hong Kong), Banco de Oro Universal Bank, UCPB Universal Bank, PDex (Philippine Dealing & Exchange Corp.), and Bureau of Treasury of the Philippines and GSIS (gov't. financial agencies), among others. Methodologies: Cloud microservices, cloud functions, serverless Clean code, TDD "The Twelve-Factor App": https://12factor.net ReactiveX ( http://reactivex.io ): RxJava, RxGo, RxJS, RxGroovy, etc. API patterns: Gateway, BFF ("Backends for Frontends") API-first development: Swagger / OpenAPI, NSwag Functional (FP), Functional Reactive DDD / CQRS Agile / Scrum / Kanban Microservices: Golang / gRPC / protobuf Oracle Helidon, Oracle GraalVM Microsoft Dapr IBM LoopBack 4, Moleculer JS Micronaut Red Hat Quarkus Eclipse MicroProfile / KumuluzEE Open Microservice Spec (OMS) Docker: Dockerfiles, Docker Compose, Docker cloud registries (Docker Hub, Azure Container Registry, MicroK8s registry, etc.), Google jib, Spotify Docker (deprecated), Docker Swarm (parked). Kubernetes: AWS Kubernetes (EKS), GKE (GCP), AKS (Azure), Helm v3, kubectl, minikube, Canonical MicroK8s, Google Skaffold, Eclipse Che 7. Cloud: AWS, Microsoft Azure, Google Cloud Platform (GCP), GCP IoT Core, Heroku. TDD: JUnit 5, TestNG, Mockito, Spring Test, JBoss Arquillian, Testcontainers, testify (Golang), DATA-DOG/go-sqlmock, xUnit / NUnit, Jest, Mocha, Karma, DbUnit, Spock, Spek, Geb, RestAssured. Other top skills: GraphQL Vue, Nuxt, Quasar Kotlin, Eclipse Vert.x Scala, Play! Framework, Akka, Scalatags Groovy, Grails, GSP (Groovy Server Pages) Java EE / Jakarta EE, Spring Boot JHipster, CUBA Platform, ZK Framework, Vaadin .NET Core/C#, Razor Pages, Ocelot API Gateway, IdentityServer4, PowerShell ES6+ JavaScript/TypeScript, Node.js Angular, React NoSQL: Apache Cassandra, MongoDB, Elasticsearch, Redis, Firebase LDAP: OpenDJ, OpenLDAP, Active Directory SQL: (too many to mention) Blockchains: Bitcoin, Ethereum, Stellar, Ardor / Nxt / Ignis, Waves Platform, Hedera Hashgraph, Hyperledger, IPFS, BTFS, VeChain, Mobius. Team: GitHub, GitLab, Bitbucket, Jira, Trello, Redmine, Mercurial. less
Hire chesslover
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I began working within Web and Custom Software Development and Design 10 years ago and I have worked with a number of top companies. It has been my long-standing ambition as well as a proven ability of mine to re-imagine and re-construct the ways people interact with tech. Why me? • I know how to jump into a project...I began working within Web and Custom Software Development and Design 10 years ago and I have worked with a number of top companies. It has been my long-standing ambition as well as a proven ability of mine to re-imagine and re-construct the ways people interact with tech. Why me? • I know how to jump into a project in order to complete the necessary work quickly. • I take responsibility for every project I work on. • I guarantee regular communication and periodic updates. • I always work under an NDA policy. 10 years of development allow me to work at least twice faster than an average developer, with twice less number of bugs. You don’t just pay, you also save your money. To handle the back end, I am specialized in Java Spring/Spring Boot, and Node.js. For the front end, I like working with Angular, React and Vue. It does not mean my ability is limited to those skills. - Front-end • Angular2+, Angular Material, Ngrx, Rxjs, • React, React Material, React-redux, hook, Next.js • Vue, Vuetify, Vuex • Vaadin Java UI • Javascript, Css, Html, Bootstrap 3/4, Css3, Jquery • ES5/ES6 • Typescript • Google map, Leaflet map, Map box, Open Street Map • Graphql - Back end • Java, Spring, Spring boot, Spring MVC • Python/Django/Flask • Node.js, Express • asp .net, C# .net • Ruby on Rails • Php/Laravel/Symfony/CodeIgniter/PhpRunner • Mysql, Postresql, MongoDB - API integration • Stripe, Paypal, square, e-check • Google Map, Geo API, Geo Reverse Coding • Zoom, Jitsi integration • Push notification • OAuth1/2 less
Hire vladanfreelacing
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LaoPhone LaoPhone
$30 USD / hour
Highest quality and 100% satisfactionLao People's Democratic RepublicWe are a Team of IT Professional with 10 years experience in - Desktop & Mobile Development - Web development - Blockchain Development 100% Implementation of specification, Fast communication, Kindness, Correct Design and Meet Deadline are our development focus. We always do our best to make clients satisfied with...We are a Team of IT Professional with 10 years experience in - Desktop & Mobile Development - Web development - Blockchain Development 100% Implementation of specification, Fast communication, Kindness, Correct Design and Meet Deadline are our development focus. We always do our best to make clients satisfied with good quality and to meet timeline. Ready to offer our expertise! Feel free to get in touch for an initial consultation. Kindly contact me at any time to discuss your project. Always Welcome! less
Hire LaoPhone
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Hello, my name is Andrii and I am a senior web designer and developer based in Ukraine, Europe. I have been working and developing online websites and platforms since completing various kinds of projects. I have 8 + years of experience working as a JavaScript/TypeScript, Core PHP/PHP Framework, and windows desktop...Hello, my name is Andrii and I am a senior web designer and developer based in Ukraine, Europe. I have been working and developing online websites and platforms since completing various kinds of projects. I have 8 + years of experience working as a JavaScript/TypeScript, Core PHP/PHP Framework, and windows desktop application. I am ready to start working for you today. My type is "To provide the best quality, commitment & communication to our clients!". I can help you to provide the HIGH QUALITY of the task under my powerful SERVICE. It's important to me to build long term relationships with clients, so I'm primarily looking for long term projects. I'm flexible with my working hours and am happy to work closely. I am always READY for you. I look forward to hearing from you! less
Hire superstar1025
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I'm looking for challenges more than simple projects. I'd like to jump into deeper layers of projects and find a proper solution for each task to make it outstanding . I can develope your PHP , Python, JavaScript applications and do Cyber Security , VOIP , IOT and server management . Just ping me to discuss about...I'm looking for challenges more than simple projects. I'd like to jump into deeper layers of projects and find a proper solution for each task to make it outstanding . I can develope your PHP , Python, JavaScript applications and do Cyber Security , VOIP , IOT and server management . Just ping me to discuss about your project . less
Hire ninvo
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codeFrz codeFrz
$10 USD / hour
Full Stack Java developer, 8+ years of experience in Software Development.United Arab EmiratesI'm a Full Stack Java developer, with 8+ years of experience in application development using various Java technologies, I'm interested in Part-Time freelance work. I can spend weekly ~30 hrs. I'm good in technologies like below, but not limited...I'm a Full Stack Java developer, with 8+ years of experience in application development using various Java technologies, I'm interested in Part-Time freelance work. I can spend weekly ~30 hrs. I'm good in technologies like below, but not limited to: -Java/2EE -Spring/Spring-Boot -jHipster -JSF/Primefaces/Richfaces -Hibernate -Maven -JavaFX/Swing/SWT -AngularJS/Angular -ReactJS -NodeJS -MySQL/Oracle. I have done several projects with above technology stack. I'm an beginner in ReactNative. less
Hire codeFrz
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Soy un ingeniero de software con amplia experiencia en diferentes proyectos, he trabajado desde el área bancaria, casinos y ventas. Puedo apoyar a tu proyecto también la resolución de problemas.Soy un ingeniero de software con amplia experiencia en diferentes proyectos, he trabajado desde el área bancaria, casinos y ventas. Puedo apoyar a tu proyecto también la resolución de problemas. less
Hire lahernandezr
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I did a Masters in Computer Science & Electrical Engineer. Make Electrical panel drawings and SLD in Autocad, an expert in data entry, PHP,c#, Web Development & Professional in MS Office. I have full experience of any type of android app, adobe photoshop, illustrator, word press I know very well about graphics...I did a Masters in Computer Science & Electrical Engineer. Make Electrical panel drawings and SLD in Autocad, an expert in data entry, PHP,c#, Web Development & Professional in MS Office. I have full experience of any type of android app, adobe photoshop, illustrator, word press I know very well about graphics designing. Expert in JAVA, C++, Python (Done many projects by using these languages) Having a lot of experience in Android development in a software house and Electrical industries. less
Hire engrkhanzain
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My primary goal is to apply my technical expertise all throughout the full software life cycle to ensure production and delivery of products and services that meet client specifications. Excels in every stage of the software development lifecycle, including design creation, coding, debugging, testing, and...My primary goal is to apply my technical expertise all throughout the full software life cycle to ensure production and delivery of products and services that meet client specifications. Excels in every stage of the software development lifecycle, including design creation, coding, debugging, testing, and maintenance. Expert in devising innovative and tailored solutions to assist businesses achieve their goals in a variety of industries. Advanced skills and knowledge of leading programming tools with a strong background in mathematics, algorithms, and data-processing logic. Throughout the course of my career, I have honed my process development and process improvement abilities. I am an astute problem-solver capable of prioritizing and managing complex projects with proficiency. Qualifications Superior development skills include Object Oriented Design, Agile Development, Software Architecture, Project Management, Technical Documentation and excellent code reviews. Programming languages include C/C++, HTML5, JavaSE(including JavaFX and Java Network programming and a touchof Java EE), JavaScript, JQuery, Markup languages(XML, HTML, XHTML), PHP, CSS, Javascript and MySQL. Tools and frameworks include web development with Django, Bootstrap,Adobe XD. Firebase and Firestore for cloud storage and user authentication among other features. Exceptional ability to work in the following environments: Java Standard Edition, Windows, Android OS and building UI for embedded systems, Android Studio, SceneBuilder for creating JavaFX/Swing applications.- Extensive knowledge of application architecture principles.- Familiarity with database design and development- Strong decision maker, critical thinker, and creative designer with the ability to think around problems to highly effective solutions.- Excels in systems evaluation to identify system performance indicators and the best course of action to take to improve or correct performance based upon specific system goals. I also developed Radical Facts: An app that allows you read facts about different topics in real-time. It can be found on google playstore "Radical Facts". You can also check out my shopping app "Tertmart" on google playstore. I’m looking forward to your response and thank you for your consideration. less
Hire SheriffOladejo
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Welcome to my portfolio! I'm a professional iPhone and android and web and desktop software developer. I have 8+ years of experience in mobile and web development experience. My major work is to create a new iPhone/Android app and update the existing app with a paired iPhone/Android version. The clients are my...Welcome to my portfolio! I'm a professional iPhone and android and web and desktop software developer. I have 8+ years of experience in mobile and web development experience. My major work is to create a new iPhone/Android app and update the existing app with a paired iPhone/Android version. The clients are my priority. This is my slogan. I will serve with all my heart to lead your project to SUCCESS! Here is the list of my main skills: - Native Android (java, kotlin), iPhone (objective-c, swift) development - Hybrid App (React Native, Flutter, Xamarin) - Mobile Game development (Unity3D, Cocos 2dx creator) - Full stack Web development + Laravel, Codigniter, Wordpress, Bootstrap, .. + React.js, Vue.js, Angular.js, Node.js, express.js, koa.js + Django, Flask, Asp.net, - Machine Learning & Datascience & other program languages + tensoflow, keras, opencv, java, python, C#, C / C++ Thank you. less
Hire Shendiqerimi
