J2EE Developers For Hire
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Sponsored Freelancers
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RATED SOLUTION is a Software and Technology Development Company, we have been creating extraordinary mobile and web experiences for new renowned businesses all across the globe. We pride ourselves in our ability to provide outstanding work, the kind that's technically excellent, wildly creative and delivers real...RATED SOLUTION is a Software and Technology Development Company, we have been creating extraordinary mobile and web experiences for new renowned businesses all across the globe. We pride ourselves in our ability to provide outstanding work, the kind that's technically excellent, wildly creative and delivers real benefits to our end clients. ✅ Programming Languages ◆ PHP (Codeigniter) ◆ Laravel ◆ Rest Full API ◆ Angular JS ◆ MySQL ✅ Mobile Development Languages: ◆ IOS ◆ Android ✅ Front-end development: ◆ Twitter Bootstrap ◆ Responsive Design ◆ Dynamic web pages and client-side scripting (JavaScript, jQuery, Angular JS) ✅ CMS Development: ◆ WordPress ◆ Theme Customization ◆ Theme Development ◆ Plugin Development less
Hire shahiddgk
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22 years systems architect / developer experience, with the last 5 years on scalable microservices architecture with Docker / Kubernetes. I bring a solid blend of non-freelancing and freelancing experience; once in my non-freelancing days I led a team that migrated a universal bank's 17-year-old COBOL / Oracle...22 years systems architect / developer experience, with the last 5 years on scalable microservices architecture with Docker / Kubernetes. I bring a solid blend of non-freelancing and freelancing experience; once in my non-freelancing days I led a team that migrated a universal bank's 17-year-old COBOL / Oracle system to Groovy Grails / IBM DB2. I am also a Certified / Licensed Electronics and Communications Engineer in the Philippines (ECE License # xx875). I have interests in both software and hardware (rig building / overclocking), and IoT. Constantly evolving to innovate. My latest rage: Rust and Kotlin. 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), First e-Bank, 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, Project Tye IBM LoopBack 4, Moleculer JS (Node.js) Red Hat Quarkus Micronaut Eclipse MicroProfile / KumuluzEE Eclipse Vert.x Service mesh: Istio UI: ES6+ JavaScript / TypeScript Vue, Nuxt, Quasar Angular, React JSF Vaadin GSP (Groovy Server Pages) JavaFX ASP.NET, Razor Pages jQuery, AJAX Docker: Dockerfiles, Docker Compose, Docker Swarm, Docker cloud registries (Docker Hub, GCP Container Registry, Azure Container Registry, MicroK8s registry, etc), Google jib. 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, Webtau, testify (Golang), DATA-DOG/go-sqlmock, xUnit/NUnit, Cypress, Jest, Spock, Spek, RestAssured. Other top skills: GraphQL Kotlin Scala, Play! Framework, Akka, Scalatags Groovy Grails Java EE / Jakarta EE, Spring Boot JHipster, CUBA Platform, ZK Framework .NET Core/C#, Envoy / Ocelot API Gateway, IdentityServer4, PowerShell NoSQL: Apache Cassandra, MongoDB, Elasticsearch, Redis, Firebase LDAP: OpenDJ, OpenLDAP, Active Directory SQL: (too many to mention) Blockchains: Bitcoin, Ethereum, IOTA, Stellar, Ardor / Nxt, Waves Platform, Hedera Hashgraph, Hyperledger, IPFS, BTFS, VeChain. Team: GitHub, GitLab, Bitbucket, Jira, Trello, Redmine, Mercurial. less
Hire chesslover
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Java Developer (+ Angular). Worked on Java projects using Spring framework, Spring Boot, Spring MVC, Spring Security, RestFul API, Maven, JUnit Testing (+ Mockito Framework), API Monitoring & Testing using Postman, Object Oriented Programming, Greenfoot Game development, Google Matrix API, Google Place API, Google...Java Developer (+ Angular). Worked on Java projects using Spring framework, Spring Boot, Spring MVC, Spring Security, RestFul API, Maven, JUnit Testing (+ Mockito Framework), API Monitoring & Testing using Postman, Object Oriented Programming, Greenfoot Game development, Google Matrix API, Google Place API, Google Location coordinates API. Worked on various IDE's - Eclipse, NetBeans, IntelliJ, Spring Tool Suite, Visual Studio Code, BlueJ, Greenfoot. On the front-end side I've worked on Angular, PrimeNG, JavaScript, Bootstrap, HTML, CSS & SQL queries, MySQL database. Technologies on I have worked on: (Back-end) - Core & Advance Java (+Java 8 New features) - Spring Framework - Mostly using Spring Boot - Spring MVC - Spring REST APIs - Spring Data JPA - Spring Security (+ Authentication/ Authorisation with DB) - CSRF + JWT Token - Authorisation - JUnit 4, 5 Testing + Mockito Framework - Postman - API monitoring + Testing - Build tool - Maven - MySQL Database. - Greenfoot Game development. - Google API (Google Matrix API, Location coordinates API) - Java App deployment - Heruko, CPanel (Front-end) - Angular - PrimeNG - JavaScript - Bootstrap - HTML, CSS less
Hire someshjecrc
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A decade and a half years of experience and expertise at developing enterprise grade applications using Java/Frameworks/Middleware/Big Data/Integration technologies Data Science/Machine Library/AI/Computer...A decade and a half years of experience and expertise at developing enterprise grade applications using Java/Frameworks/Middleware/Big Data/Integration technologies Data Science/Machine Library/AI/Computer Vision/ PHP/NodeJS/Python/Perl Mysql/Postres/Oracle/SQLServer MongoDB/Redis/Cassandra/CouchDB Kafka/Spark/Zookeeper/Micro Services Capable of architecting and designing desktop/web/enterprise application from scratch follwint and adhering TOGAF architecture principles and guidelines. GIVE ME A CHANCE TO WORK WITH YOU AND YOU WILLNOT REGRET! less
Hire maadirajudata
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Welcome Senor/ Senorita. ヽ(•‿•)ノ I am an expert in Computer Science and mathematics with years of working experience. Currently working as a Programmer in several languages and Tutor in several science-based subjects like Mathematics, Physics, Chemistry, etc. High CGPA in Computer Science & Engineering and excellent...Welcome Senor/ Senorita. ヽ(•‿•)ノ I am an expert in Computer Science and mathematics with years of working experience. Currently working as a Programmer in several languages and Tutor in several science-based subjects like Mathematics, Physics, Chemistry, etc. High CGPA in Computer Science & Engineering and excellent educational backgrounds make me suitable for Computer Science, Mathematics, Content Creation and Educational based projects. I am fully confident with excellent reviews and experiences to satisfy your requirements. Here some of the fields of expertise for your convenience: [01] ___ C, C++, C#, Java & Python. Implementing any pseudocode of Algorithms/Data Structure, Fixing the bugs and errors etc. Experienced as a competitive programmer and participated in ACM ICPC. [02] ___ Data Structure & Algorithm. Good knowledge and working experience in Data Structures, Algorithms, Algorithmic analysis and Design, Computational analysis: Time and Space Complexity. [03] ___ Discrete Mathematics. Have good command on almost all aspects of Discrete Mathematics: Logic, Proof & Reasoning, Discrete Structures: Graph, Tree, Set, Function, Relation, Series, Matrices etc., Counting: Permutation, Combination, Binomial Theorem etc, Boolean Algebra etc. [04] ___ Content Creation & Tutoring. Any subjects & courses related to Computer Science and Mathematics, also in Physics, Chemistry etc science-based subjects. [05] ___ Calculus. Differential Calculus & Integral Calculus and also Differential Equations. [06] ___ Theory of Computation or Automata. DFA, NFA, PDA, RE, non-RE, CFG, TM, Pumping Lemma, CNF, GNF etc. have good knowledge in. [07] ___ Operating Systems & Design and Systems Programming. Theoretical knowledge, Related Calculations and good command on Windows and Linux. [08] ___ Computer Architecture & Design. Basic Hardware design, analysis and computation, storing analysis etc. [09] ___ Basic Statistics and Probability. Inferential and descriptive statistics, Central Tendency, Co-relation, Regression etc. and Probability: Independent, Conditional, Bayes Theorem etc. [10] ___ Digital logic design. Several based-numbers and storing, Latches, Flip-Flops, counters, registers etc. [11] ___ Numerical and Complex Analysis. Roots, System of Linear Equations, Fourier Series, Fourier and Laplace Transforms and analysis, Complex numbers and analysis. [12] ___ Mathematical Tools: Matlab & Mathematica: Coding & Editing, bugs & Error fixing, Improvement and development of incomplete codes. [13] ___ AI & ML. Artificial Intelligence, Machine Learning, Neural Networks, Data Science with Python, Java etc. Thank you very much for your valuable time. Please Keep safe & sound! ◉‿◉ less
Hire MusfiqMridha
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(بِسْمِ اللَّهِ الرَّحْمَنِ الرَّحِيم (ماشاء اللہ Hi, I'm Aqeel Ahmed and I love to support Entrepreneurs, CEOs, and Businesses with high-quality services. I'm very good at organization, fast learner, honest and reliable. I worked in different fields like Programming,...(بِسْمِ اللَّهِ الرَّحْمَنِ الرَّحِيم (ماشاء اللہ Hi, I'm Aqeel Ahmed and I love to support Entrepreneurs, CEOs, and Businesses with high-quality services. I'm very good at organization, fast learner, honest and reliable. I worked in different fields like Programming, Assignmnt Solving, Reporting Writing Social Media Management. ✅ Software Development ✔ Java - C# - Python - PHP - CSS - HTML - C - C++ ✔ Android & iOS Development ✔ Machine Learning - Deep Learning - Data Analysis - and Data Visualisation ✔ Data Structure and Algorithm ✅ COURSES ✔ Computer Science | Information Technology ✔ Software Engineering | Structural Engineering ✔ Business Engineering ✔ Electric Engineering | Mechanical Engineering ✅ My core specialties Tools are ✔ Big Data Analysis ✔ Engineering | Matlab - CAD (Computer-Aided Design) - FEA (Finite Element Analysis) - Excel - VBA ✔ Statistics Analysis | SPSS - Excel Don't forget to see my portfolio ★★ YOU CAN HIRE ME ★★ less
Hire ExpertSoul
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Hi! I am Sardar Shafiqul Islam working as a Web and Android Developer for you with professional skills & experience of 4+ years in my work. I am an expert at Java, Kotlin, Android Studio, WordPress, Web Development, Machine Learning. I am an individual who believes in hard and accurate work. I love programming as it...Hi! I am Sardar Shafiqul Islam working as a Web and Android Developer for you with professional skills & experience of 4+ years in my work. I am an expert at Java, Kotlin, Android Studio, WordPress, Web Development, Machine Learning. I am an individual who believes in hard and accurate work. I love programming as it is my passion. I always try to develop logical and creative projects, which is unique. I am highly professional and communicative, always deliver on time and Guarantee 100% Satisfaction and Quality. less
Hire kabboandreigns
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If you have been scouring the internet looking for a professional to undertake the work you require, then look no further. We are an articulated and advanced team of experts who have extensive experience in Software, Web and App development. Over the years we have gained wide-ranging experience including but not...If you have been scouring the internet looking for a professional to undertake the work you require, then look no further. We are an articulated and advanced team of experts who have extensive experience in Software, Web and App development. Over the years we have gained wide-ranging experience including but not limited to, PHP, NodeJS, Angular, Flutter, React, React Native, C#, VB.net,WooCommerce, Magento, PrestaShop, MySQL, PostgreSQL,ORACLE, SQL Server technologies, among others. We primarily focus on integrating marketplaces such as eBay, Amazon, Shopify, Wish.com, Lazada, Walmart, USPS, UPS, FedEx, DHL etc. using their respective APIs to make the sellers' life easy. However, we are always ready for a new challenge! But don’t just take our word for it, check out the examples of our work provided below. And let the work we do for you be the proof. You have our word that you will not be disappointed. less
Hire rinsadsl
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Loving what you do make you the best in it, and that is what I am, I love what I do and I'm the best in it. As senior java developer with 10 years of experience I have a large knowledge in a lot of java framworks assuring the quality and the variety of solutions that I can provide to my clients.Loving what you do make you the best in it, and that is what I am, I love what I do and I'm the best in it. As senior java developer with 10 years of experience I have a large knowledge in a lot of java framworks assuring the quality and the variety of solutions that I can provide to my clients. less
Hire abdellahaddou
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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
