Hire the best Java Developers in Zaporizhzhya, UA
Check out Java Developers in Zaporizhzhya, UA with the skills you need for your next job.
- $50 hourly
- 5.0/5
- (1 job)
I am a Senior Full-Stack Developer with 8+ years of strong experience and knowledge in Mobile/Web Frontend and Backend Development, and can deliver your project on time meeting all your expectations. Backend Development Node.js, Ruby on Rails, Python (Django, Flask), .NET Core, PHP (Laravel, Codelgniter, CakePHP), Java (Spring Boot) Database - Neo4j, MySQL, PostgreSQL, MongoDB Frontend Development iOS/Android Native - Swift, Objective-C, Java Cross-Platform Mobile - React Native, Xamarin Web Frontend - React.js, Backbone, Javascript, Typescript, Coffeescript Besides the technologies mentioned above for the backend and frontend, as full-stack lead developer, I am very familiar with the system architecture - hosting the service and maintaining on AWS, heroku service etc. I have good communication skills and English knowledge. That helps me to set right expectations on both ends for project/customer success. Other than the aforementioned skills, I'm able to learn new programming languages/frameworks very easily, as well as adapt my coding style based on your requirements. Please contact me to discuss your project in detail and determine how my skills will positively contribute to achieving your business goals effectively. Thanks, Serhii YakymenkoJavaAndroid App DevelopmentSwiftiOS DevelopmentBack-End DevelopmentFront-End DevelopmentNode.jsWeb ApplicationJavaScriptTypeScriptNeo4jSoftware Architecture & DesignSQLPHPDatabase Design - $50 hourly
- 5.0/5
- (2 jobs)
I am a Java lead developer with over 10 years of commercial background in full circle development. Seasoned in project design and implementation from the ground up using cutting-edge technologies and software solutions. Over the years I've been involved in architecture design, planning, and team management while working on medium, big and large-size projects. I’m always wide open to new opportunities and challenges in work and eager to help customers to meet their business needs.JavaPostgreSQLSpring DataApache KafkaHibernateAWS ApplicationBootstrapSpring BootOracleMySQLAngularTypeScriptMongoDBReactJavaScript - $45 hourly
- 5.0/5
- (60 jobs)
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), accessibility and compatibility • 5+ years of experience • Highly motivated, self-starter, fast learner, hard worker, organized, attentive to details and a team player • Good communication skills. Fluent in English , both written and verbal • Sense of aesthetic and design • Always up-to-date with the latest technologies, techniques, optimizations and best practices Hire me!JavaCore JavaMobile App DevelopmentAndroid App DevelopmentIn-App PurchasesCameraSocial Media Account IntegrationAndroidFirebase - $22 hourly
- 5.0/5
- (8 jobs)
Java backend developer with strong expertise in: Backend: -Java 8+, JavaEE, JavaSE, Socket -Spring (Spring boot, Spring JPA, Spring MVC, Spring data, Spring security and other Spring modules) -Hibernate, JOOQ, JDBC -SQL (MySQL, MS SQL, PostgreSQL, SQLite) -NoSQL (MongoDB, Elastic, Redis, Firebase, Influx) -AWS (S3) -Migration (Liquibase, Flyway) -Thymeleaf -JUnit Frontend: -JSP, HTML, XML Others: -Git -Docker -Postman -IntelliJ Idea I'm very interested in solving various difficult tasks and am ready to deal with the most projects related to my stack, so do not hesitate to contact me!JavaMySQLJakarta Server PagesSpring MVCJDBCHibernateSpring BootSQL - $30 hourly
- 5.0/5
- (2 jobs)
Hi there, I represent Softkit – an Expert-Vetted Web & Mobile development company that provides technical, analytical, and consulting services such as Web, Business Intelligence, Cloud, and DevOps. Our team helps various businesses to create and support their products, find and build e-solutions to optimize their business processes. For these purposes, we use proven frameworks, technologies, maintains cutting-edge technical skills, and up-to-date industry knowledge. Our core specialization: JavaScript, TypeScript ReactJS, AngularJS, Angular 2+, NodeJS Java/Spring, Kotlin WordPress MySQL, PostgreSQL, MongoDB, AWS, Firebase As far as we already have a bunch of successful projects and satisfied clients from all around the world, we'd love to offer you to become trustworthy digital partners and transform your ideas into high-end products. Just let us know what's on your mind!JavaSpring CloudSoftware DevelopmentReact NativeAgile Project ManagementAngular 2Spring FrameworkSpring DataSpring BootWeb DevelopmentEcommerce WebsiteNode.jsReactAngular - $25 hourly
- 5.0/5
- (1 job)
I've been developing an application for the Android operating system for over five years. I have worked on many projects, ranging from simple to complex professional applications. I perform my work quickly, efficiently and responsibly. I approach each project individually. In addition, I am ready to provide technological consulting to anyone who needs it. What I am offering: ➢ Firebase ➢ Android API Support ➢ My SQL ➢ SQLite ➢ Push Notification ➢ Material Design ➢ Retrofit ➢ Responsive Screen ➢ Admob integration ➢ Map/GPS ➢ Authentication using Gmail, Facebook, and Phone, etc ➢ Payment gateways Development Process: Collect & Analyze Client Requirements ➢ Design Functioning: ➢ Development ➢ QA & Testing ➢ Maintenance & Support Feel free to contact me for advice or assistance regarding your project. Please drop me before placing an order to better understand your idea.JavaCryptocurrencyRoomDatabase ProgrammingAndroid SDKPush NotificationsMobile App DevelopmentAndroidAPI IntegrationTabletPayment FunctionalityKotlinBluetoothRetrofitNative App Development - $20 hourly
- 5.0/5
- (4 jobs)
I’m an experienced Java developer who’s working with the up-to-date and most effective technologies. To ensure the highest quality standards, I tend to adhere to best coding practices. I continue to improve my skills and already know that the best way to learn something new and evolve as a professional is to work on the projects as a part of a team. I'm open to small and mid-size projects. Very communicative and easy-going. Ready for any skills evaluation, test task, technical interview. My tech stack: ▪ Backend: Java ▪ Frontend: HTML/CSS ▪ Frameworks: Spring Framework (SpringMVC, Spring Boot, Spring Data, Spring Security), Camunda 7 & 8 (Tasklist API, Operate API, Zeebe API, Web Modeler API) ▪ ORM: Hibernate ▪ Testing: JUnit, Mockito ▪ VCS: Git(GitHub, GitLab) ▪ Relational databases: MySQL, PostgreSQL, MariaDB ▪ NoSQL databases: MongoDB, Redis, DynamoDB, CosmosDB ▪ Build automation tools: Maven, Gradle ▪ API documentation tools: Swagger ▪ Clouds: AWS, Cloudinary–basic ▪ CI/CD: Jenkins ▪ IDE: IntelliJ IDEA ▪ Other: REST API, Design Patterns, Log4j 2, Lombok, Thymeleaf, Jakarta Servlet, JSP, JSTL, Guava, Groovy, Web Sockets, PDFsharp Workflow: - Agile, Kanban, Scrum - GIT, SVN (bitbucket/github/gitlab) - Jira, Trello, Asana, Assembla, Basecamp, ProjectPlace. I am up to long-term and full-time collaboration, so if you need a talented dev with technical background, feel free to drop me a line any time!JavaAPI DevelopmentLiquibaseSwaggerJavaFXSpring CloudHibernatePostgreSQLDockerMicroservice - $125 hourly
- 0.0/5
- (5 jobs)
I will develop a project for you in the Java programming language. Any complexity — Changing the design of interfaces - Creation of performance tests — Finding and fixing code errors — Creation of separate elements of the application - Optimized over 20,000 lines of Java code. — Changed API versions for applications on desktop devices. - Increased data security by encryption through base64_encode. — Created a program for predicting the size of energy consumption. I’m experienced in: Java SE Java EE RxJava Java Servlets Spring MVC Apache Tomcat and Maven Patterns MVC, MVP, MVVM JUnit JDBC Hibernate ORM Spring Core JSPJavaJava Servlet APIRxJava - $15 hourly
- 5.0/5
- (1 job)
CONSULTANT SUMMARY Over 10 years of experience in developing and designing the Siebel CRM. Participating in Siebel 8 projects (HI), Siebel OpenUI projects (IP15 - IP22) as a System Engineer and a Siebel Architect Key technical areas of expertise: Technical Architecture Design, CRM Functional Design, Performance tuning, Problem solving. PRIMARY SKILLS Siebel Applications * Siebel Financial Services * Siebel Marketing Service * Siebel Call Center Service * Siebel Sales * Siebel Service * Email Marketing System * Siebel Migration Application Programming languages * Siebel eScript * Java * C++, C# * Python * Centura Team Developer 4GL Business Intelligence and Reporting experience * Oracle Business Intelligence (10 yrs) * Oracle BI Publisher (4 yrs) * SAP Business Objects (1 year) * Crystal Reports (4 yrs) Databases * Oracle Database Server - Installation and configuration, SQL (10+ yrs exp.) * Microsoft SQL Server - DBA, Installation and configuration, optimization (10+ yrs)JavaSAP Crystal ReportsOracleProduct Installation SupportOracle DatabaseSQL ProgrammingMySQLServerDatabaseBusiness IntelligenceC++Oracle Database AdministrationSQL - $15 hourly
- 5.0/5
- (2 jobs)
I'm a Java engineer in love with the craft and ambitious and humble enough to keep learning every step of the way. Open to projects of any size, easy-going and flexible. My goal is to deliver clean and maintainable code right on time and grow professionally over the years to come. I'm sure we'll find a common language, you'll definitely be happy to see the tasks done right on time. A technical assessment or an iterview is always fine by me. My main tech stack: - Java8+ (Core) - Spring Framework (Core, WEB, AOP, Reactive) - Spring Security (Authentication, Authorization, OAuth2, JWT,Form Auth) - Spring Boot (Properties/YAML, Actuator) - Rest API bestpractice - SQL (MySQL, PostgreSQL) - NoSQL (MongoDB, FaunaDB, DynamoDB) - Spring Data (JPA, Hibernate, JDBC, R2DBC, MongoDB, ElasticRepository) - ElasticSearch - Spring Cloud (Cloud Gateway, Cloud Config, Cloud Circuit Breaker, Cloud OpenFeign, Eureka service registry) - Microservices - Microservice Patterns (Aggregator, Event Sourcing) - DevOps (Docker, Docker-compose) - AWS (S3, Lamda, Serverless, DynamoDB) - WebFlux - Message Queues (Kafka) - Testing (JUnit 4, JUnit 5, MockMVC, JpaTest, Testing Services, Fake patterns)JavaAmazonSpring CloudJUnitApache KafkaElasticsearchSpring DataPostgreSQLAmazon DynamoDBMongoDBMySQLREST APISpring SecuritySpring BootSpring Framework - $30 hourly
- 4.9/5
- (48 jobs)
I'm a professional Full-Stack Software architect and developer with more than 17 years of experience and incredible attention to detail. Being CTO of a Top-Rated digital agency I'm sharing my experience with potential partners, providing the most high-quality application, and keeping it usable for a long time. Technologies: ✅Backend Development: PHP, Laravel, Yii, Zend Framework, Nodejs, Mysql, SQLite, PostgreSQL, MongoDB, Firebase, Realm ✅Frontend development: HTML5, CSS3, jQuery, ExtJS/Sencha, Angular, EmberJS, React, VueJS ✅Mobile development: Kotlin, Flutter, Java, Swift ✅Progressive Web Applications development Domains: ✔ Logistics Software Solutions ✔ SaaS Development ✔ Internet of Things (IoT) ✔ Educational Websites ✔ Travel & Booking Portals ✔ Sports and Fitness App ✔ HR & Recruitment ✔ Fintech ✔ Trading Systems ✔ Social Network ✔ Gambling & Betting Web Apps Project types and Services: ✔ Discovery Stage ✔ Mobile Application Development ✔ Web App Development ✔ Standalone module, Framework, SDK ✔ IOT Development ✔ MVP ✔ Design ✔ On-Demand Apps I'm confident you can take valuable things from my experience so drop me a message and we will discuss your project!JavaNodeJS FrameworkMySQLAndroidJavaScriptPHPReactFlutterTypeScriptiOS - $50 hourly
- 4.9/5
- (8 jobs)
Hi there! Web Testing My name is John and I am a tester :-) My main tools for work - Selenium WebDriver + Java, sometimes Python, Javascript, Soap UI or Postman (for the API testing), MySQLWorkbench. I am able to read and edit code, have a critical look at things by profession. My single passion - ethical hacking (penetration testing, pentesting). I attend a hacking conference, read professional articles and books dedicated to hacking as a whole. I have experience Xampp, Nginx settings to configure the local environment for testing. I can write scripts to automate routine without the help of a developer. Without problems versed in the positioning of elements in the HTML-page. I work on quality control without the side control. Independently I set myself the task, based on the needs and goals of the project, select tools, appreciate time and on them. I learn quickly and learn new things. I am able to write well enough in English, Ukrainian and Russian, translation of technical texts. I got a technical education. I have experience in IT in different positions: QA Engineer, QA Automation Engineer, QA Lead, mentored novice testers. My professional achivements: Semifinalist in the UA Web Challenge VII (QA nomination) Semifinalist in the UA Web Challenge VIII (QA nomination) Finalist in the EU Web Challenge (QA nomination) 1st place in the Test UA Startups #4 in the nomination "Best WEB team" 1st place in the Test UA Startups #4 in the nomination "Most valuable web bug" 1st place in the Test UA Startups #5 in the nomination "Best WEB team" Speaker on the Quality Assurance conferences with the lectures: "13 labours challenge. How to become a Hercules in Test Automation." (SQA Days Europe #1) "The ABCD technique: from model creating to test design" (SQA Days #24) "Lock, Stock and The Browser Console for QA" (QA Fest 2018) "The tune of API testing" (SQA Days #25)JavaJenkinsTest Automation FrameworkSeleniumWebAPITestingRESTful ArchitectureCucumberAutomated TestingWeb TestingSelenium WebDriverAPI TestingBehavior-Driven Development - $30 hourly
- 5.0/5
- (9 jobs)
Why you should hire me: ✅I build native apps for both iOS and Android, so you won't need to find different people for working on each app separately; ✅I have hands-on experience building apps from scratch: from requirements analysis to release on App Store and Google Play; ✅My code is clean and maintainable. Even if we don't continue our cooperation, it will be easy for your next mobile developer to pick up where I left; ✅Communication is really important to me. I'm always available during business hours to clarify the requirements and provide progress updates; ✅I also have experience in web development, and I can help you with this if needed.JavaLocation-Based ServiceIn-App PurchasesSwiftObjective-CApple XcodeAndroidiOSiOS DevelopmentMobile App DevelopmentAndroid App DevelopmentC++PHPJavaScript - $99 hourly
- 5.0/5
- (1 job)
Proactive and skilled Android Engineer with 10+ years of experience in software development. Has an experience with Flutter for Mobile and Web applications. Solid understanding of full mobile and software development life cycle, UI/UX, and agile methodologies. Highly responsible team player dedicated to continuously developing, implementing, and adopting new technologies to maximize development efficiency and produce innovative apps.JavaCI/CDFirebase Cloud FirestoreCoroutineClean ArchitectureGitREST APIlibGDXRxJavaObjectBoxAndroid App DevelopmentHiveFirebaseKotlinFlutter - $22 hourly
- 0.0/5
- (1 job)
Hey there! I appreciate you taking a peek at my Upwork profile. The impact which developers make on the world is outstanding and it just keeps on growing. That’s why I became a developer and spend most of my time achieving great results and building a legacy to be remembered by. I've got a year and a half of solid commercial Java experience under the belt and am always up for a challenge. The core skills you can count on: - Java 8+; - Spring Boot; - Spring JPA; - Spring Security; - Spring Mail; - Spring Validation; - MySQL; - Hibernate; Not sure if I'm the real deal? Throw a test task at me at no cost, I'm sure you'll be satisfied :)JavaHTTPRESTful APIData Access LayerDatabaseMongoDBWeb ServiceMySQLSpring Boot - $30 hourly
- 4.4/5
- (5 jobs)
I'm a backend engineer with 5 years of experience in developing scalable and robust backend systems. My major stack includes Golang, Python, Java, and Microservice architecture. My experience and skills: - Golang (Gin-gonic, Gorilla-mux, Go-Chi, Fiber, Echo etc) - Python (Django, Flask, FastAPI, pandas, tensorflow etc) - Java (SpringBoot) - JavaScript( React, React Native) - SQL (PostgreSQL, MySQL, SQLite) - NoSQL (MongoDB) - AWS (Lambdas, API Gateway, EC2, S3, Cognito, DynamoDB) - RESTful API, protobuf gRPC, GraphQL. - Docker and Kubernetes - Microservice architecture Why choose me? I have a strong understanding of software engineering principles and best practices I am highly proficient in Golang, Python, Java, and Microservice architecture I have experience working with various databases and cloud platforms I am committed to delivering high-quality work within the given timeline I am a great communicator and always available for communication If you're looking for a reliable and experienced backend engineer who can deliver high-quality work, then let's work together! Please feel free to contact me to discuss your project requirements.JavaJavaScriptAWS ApplicationReactApache KafkaPHPPythonDjangoMicroserviceMongoDBDockerPostgreSQLGolangKubernetes - $5 hourly
- 0.0/5
- (0 jobs)
Highly motivated, eager to innovate and ready to digitalize any concept. With a focus on software development, I have a passion for creating efficient and intelligent solutions. My skills and drive to improve will make me a valuable asset to a team that values dynamic thinking and an innovative approach to programming.JavaPostmanUnixLinuxApache TomcatThymeleafHibernateJDBCMySQLCSSHTMLTypeScriptNode.jsSpring FrameworkAngular - $30 hourly
- 0.0/5
- (0 jobs)
I'm a Java / Full stack developer with more than 5 years of professional experience. My experience covers all steps of software development, starting from architecture design and technology selection to performance and memory management optimizations. Also, I am interested in development with Scala, Big Data and Machine Learning. I love developing multithreaded and safe applications with different directionality and a different degree of difficulty. Day by day I do my best to improve my knowledge and learn more new technologies and languages. Programming and software development isn't just my job but it's my hobby and passion.JavaAndroid App Development - $40 hourly
- 0.0/5
- (0 jobs)
Responsible senior developer focused on Java(Kotlin) and Swift. I love the process of mobile app ideation and creation, that's my passion. Have been developed Android/iOS mobile applications for 7+ years, and my creatures include many differenct projects with diverse areas of focus, such as social media, lifestyle, food delivery, taxi booking, business and productivity apps etc. Over the past two years I’ve been contributing on android enterprise apps development for some companies. My specialty is Android firmware customization. I have full knowledge of architecture and principles of AOSP. Swift is familiar with me too, though unfortunately I was only 3rd place on Swift competition "iOS Development course 2017". My skills are: Android firmware customization, Android Studio, Java, Kotlin, Android SDK & NDK, Xcode, Swift, Firebase, RESTful apis, react-native with Redux and React.js, etc. My goal is getting glorious experiences with great cool clients through long-term complex jobs and projects to gain the top level all over the outsourcing world. Let's start to make surprising products together. :)JavaApple XcodeAndroid App DevelopmentiOS DevelopmentAndroid StudioSwiftAndroidReact NativeKotlin - $45 hourly
- 0.0/5
- (1 job)
As a true team player, I’m an extremely goal-oriented and high-skilled backend developer with 5+ years of vast experience. Excited about efficient communication and building future-proof, enterprise-grade solutions with sleek architecture in mind. Exploring the ins and outs of new technologies is a must for me. Here’s my skill set: 💡C#/.NET 💡NET Core 💡ASP.NET 💡ASP.NET.Core 💡Entity Framework 💡Hibernate 💡MySQL 💡PostgreSQLJavaASP.NET Web APIJavaScript.NET CoreASP.NET CoreEntity FrameworkASP.NETHibernateSQLC# Want to browse more freelancers?
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