J2EE Developers For Hire
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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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Hello I can confidently say that I am fully capable and willing to deliver high-quality and most importantly web and mobile development solutions. I guarantee 100% Best of the Best Service Level If you hire us for this project, you will have a chance to get to know another talent and trustworthy. Web...Hello I can confidently say that I am fully capable and willing to deliver high-quality and most importantly web and mobile development solutions. I guarantee 100% Best of the Best Service Level If you hire us for this project, you will have a chance to get to know another talent and trustworthy. Web Skills: ➤FrontEnd: Angular.js, React.js, Vue.js ➤BackEnd: Laravel, Codeigniter, Yii, ASP.NET ➤Expert: MySQL, PostgreSQL, Mongo, SQLITE Mobile Skills: ➤Android: Kotlin, Java ➤iPhone: Swift, Objective-C ➤Hybrid: React Native, Ionic, Flutter ➤Xamarin: C# Other Skills: ➤Java/JavaFX ➤C/C++ ➤C# ➤Python ➤VB.NET ➤Excel VBA Commitment and reliability are our key values and along with a competitive rate Thank you! less
Hire devvitaliy
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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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Our company specializes in providing Customized Web Solutions. We work mainly on PHP and JAVA-J2EE platforms. Our expertise in PHP includes: Frameworks like Laravel, Codeigniter, CakePHP and Open Source Packages like WordPress and Magento. In JAVA-J2EE, we have experts in Spring, Spring Security, Spring Social,...Our company specializes in providing Customized Web Solutions. We work mainly on PHP and JAVA-J2EE platforms. Our expertise in PHP includes: Frameworks like Laravel, Codeigniter, CakePHP and Open Source Packages like WordPress and Magento. In JAVA-J2EE, we have experts in Spring, Spring Security, Spring Social, Struts2, Hibernate, JPA, Spring Micro-Services, Spring Boot and Spring Data JPA. We have a team of efficient and professional experts in each of the fields of web development. All of our team members are dedicated to address and solve clients' individual needs. We always keep in mind that the services we provide get the proper and effective attention that it deserves. Based on what the client prefers, we use JIRA, Asana or Trello as project management/bug tracking tools. For repository, we use Bitbucket, GitHub, GitLab or SVN. We have done projects on IONIC, AngularJS and Bootstrap. Our client base is spread across US, Canada, Europe & Asia. We work 5 days a week, 9 hours daily. less
Hire trustus
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I am a professional developer working in .NET platform with C# for desktop as well as Web Applications. I can help clients complete their C# application as well as develop .NET software's and tools. I will be available 24x7 for support and discussion.I am a professional developer working in .NET platform with C# for desktop as well as Web Applications. I can help clients complete their C# application as well as develop .NET software's and tools. I will be available 24x7 for support and discussion. less
Hire Stallone83
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I am a Java Developer (+ Angular), I have worked on Java Project using Spring framework, Spring Boot, Spring MVC, Spring Security, RestFul API, Build Tools like Maven, JUnit Testing (+ Mockito Framework), API Monitoring & Testing using Postman, Greenfoot Game development, Google Matrix API, Google Place API, Google...I am a Java Developer (+ Angular), I have worked on Java Project using Spring framework, Spring Boot, Spring MVC, Spring Security, RestFul API, Build Tools like Maven, JUnit Testing (+ Mockito Framework), API Monitoring & Testing using Postman, Greenfoot Game development, Google Matrix API, Google Place API, Google Location coordinates API. Worked on various IDE's - Eclipse, NetBeans, IntelliJ, Spring Tool Suite, VS Code, BlueJ, Greenfoot. On the front-end side I have worked on Angular, PrimeNG, JavaScript, Bootstrap, HTML, CSS & 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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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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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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We are a team of Software, Web and App developers specialized in PHP, Magento, PrestaShop, MySql, SQL, ORACLE, C#, VB.net, SQL Server, Angular, IONIC, React, React Native technologies. We have successfully completed a wide array of projects using the above technologies. Our key expertise area is integrating...We are a team of Software, Web and App developers specialized in PHP, Magento, PrestaShop, MySql, SQL, ORACLE, C#, VB.net, SQL Server, Angular, IONIC, React, React Native technologies. We have successfully completed a wide array of projects using the above technologies. Our key expertise area is 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. You can always rely on us to get your project done professionally. less
Hire rinsadsl
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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
