Hire the best Object Oriented Programming (OOP) Specialists in Ukraine
Check out Object Oriented Programming (OOP) Specialists in Ukraine with the skills you need for your next job.
- $50 hourly
- 5.0/5
- (1 job)
Full-stack developer with 3+ years of experience. Write in TypeScript and NodeJS. Have worked in both startups and large companies. Can write highly efficient code, as well as adjust to fast time-to-market rate. I am passionate about information technologies and how they help build successful businesses. Front-End: HTML, CSS, JavaScript, React, Redux, Next, Apollo, StoryBook, Webpack Back-End: NodeJS, Nest/Fastify/Express, Postgresql/MongoDB/Prisma, Redis, Docker Tools: TypeScript, git, CI, Feature Sliced Design, LangChain, JestObject Oriented Programming (OOP)
Object-Oriented ProgrammingStorybookJestCSSResponsive DesignJavaScriptReactAgile Software DevelopmentKubernetesNode.jsHTMLGitReduxFront-End DevelopmentTypeScript - $50 hourly
- 4.9/5
- (41 jobs)
Capable of managing projects of the highest complexity. We take over projects at any stage of development whether it is just a single idea or a detailed specification written or an already functioning system to be improved /fixed. -architecture (writing system specifications & making wire-frames) -designs (logo, corporate style, website design) -layout (including responsive one) -programming (front & back ends) PHP preferably We use MVC Framework: Zend & Symfony CMS: MagentoObject Oriented Programming (OOP)
Magento 2Software QAMagentoPSD to HTMLObject-Oriented ProgrammingSassEcommerce WebsitePHPJavaScript - $60 hourly
- 5.0/5
- (7 jobs)
Key Information - Unity 3D (C#) - 14 years, now use (creating project architecture, user interfaces, game logic, multiplayer, artificial intelligence, plugin integration) - OOP - Design patterns - Programming principles (SOLID, DRY, YAGNI, KISS) - Experience in managing teams (up to 12 people) - Experience in plugin integration (Facebook SDK, analytics SDK, IAP, local and Push notifications, Google Play Game Services) - Experience in custom editor tools development - Experience in application optimization on Unity3d on iOS and android - Experience in multiplayer games using cloud solutions Unity Photon Network and Photon Server for UnityObject Oriented Programming (OOP)
Game DevelopmentGame PrototypeMobile Game DevelopmentAgile Software DevelopmentGitUnityPhoton Unity NetworkingLeadership SkillsC#AndroidTeaching ProgrammingObject-Oriented ProgrammingSoftware Architecture & DesignScrum - $10 hourly
- 5.0/5
- (8 jobs)
Skills and Experience Desired: Strong proficiency in PHP and experience with Laravel framework (version 8-10). Familiarity with CodeIgniter (version 3) and understanding of its principles. Proficiency in Object-Oriented Programming (OOP) concepts. Experience with PHPUnit for unit testing. Thorough knowledge of Blade templating engine. Familiarity with Moonshine deployment tool for Laravel. Strong knowledfe of RESTful API development and integration. Also Jwt and Swagger. Proficiency in using SQL and MySQL for database management. Knowledge of programming patterns such as SOLID, KISS, and DRY. For development I use Linux + Docker (LAMP, LEMP)Object Oriented Programming (OOP)
PHPUnitObject-Oriented ProgrammingAPIHTML5Vue.jsJavaScriptCodeIgniterBootstrapMySQLCSSLaravelPHPHTMLSQL - $30 hourly
- 5.0/5
- (23 jobs)
With over 8 years of industry experience, I am a highly skilled C++ engineer with extended experience in Desktop Software/Architecture development. Have created and extended both: console and GUI applications. The applications I create are developed using best practices and design patterns, including GoF, GRASP, and SOLID. Technical Expertise: - Programming Languages: C++ (11, 14, 17, 20), Assembly, SQL, Python; - Technologies: STL, Qt 4.x – 6.x, WinAPI, MFC, ATL, Boost, WebView2; - Development Tools: Microsoft Visual Studio (2003 - 2022), MSBuild, vcpkg, GitHub, VS Code, CMake, QtCreator, GCC, WSL2, Keil 5, AVR Studio, Atmel Studio; - Database Systems: SQLite, MS-SQL; - Version Control: Git, Perforce, SVN; - UML: Any GUI UML editor, PlantUML; Core Competencies: - High-performance GUI applications using Qt Framework (QtWidgets, QML); - Multithreading; - Console applications, pure WinAPI applications, Windows Services, and system applications Interprocess communication; - Serial communication, hardware integration, and custom protocol design; Let’s connect and explore how I can contribute to your next project!Object Oriented Programming (OOP)
UML DiagramMultithreaded ProgrammingBoostUnit TestingSoftware Design PatternQt CreatorMicrosoft WindowsDesktop ApplicationMicrosoft Visual StudioMicrosoft Foundation Class LibraryQt FrameworkGitStandard Template LibraryObject-Oriented ProgrammingC++ - $30 hourly
- 4.8/5
- (13 jobs)
Skilled Mobile Engineer with more than 8 years of development experience. Started as an Android developer and then move to work with Flutter and deliver applications to both platforms. Core skills: Strong knowledge of Dart, Kotlin, Java Core, Flutter, Android SDK Good understanding of OOP principles, REST, JSON, design patterns, Android Jetpack tools Proficient in XML, SQLite, Git IDEs: Android studio, IntelliJ IDEA, NetBeans English – upper intermediate Industry aware, good problem solving skills Experince in working with third-party libraries: Retrofit, RxJava, Volley, Dagger2, Butter knife, Gson, GraphView, Retrofit, Picasso, Realm, Social networks integration( Facebook, Twitter, Instagram), Google Maps API, Youtube APIObject Oriented Programming (OOP)
Google Maps APIObject-Oriented ProgrammingXMLCore JavaJSONSQLite ProgrammingMaterial DesignAndroid SDKMobile App DevelopmentiOS DevelopmentFirebaseAndroid App DevelopmentDartFlutterAndroid - $25 hourly
- 5.0/5
- (10 jobs)
Game Developer | Unity / Unreal | Web3 & Backend Solutions | Mobile & Web Apps Hi, I’m Danyil — a Unity/C# developer with over 6 years in game development. I help studios, startups, and game producers build and ship stable, scalable games — from prototype to launch, and beyond. I’ve worked on 50+ games released on iOS, Android, PC, Web and VR platforms, covering both single-player and multiplayer projects. My goal is always the same: clean architecture, production-ready builds, and clear communication. 📊 Games I’ve worked on have been downloaded 300k+ times, featured on stores, and played by users across the US, Europe, and Asia. 🛠 What I Do: 🎮 Full-cycle game development (GDD → prototyping → release); 🔁 Multiplayer systems (Photon, Mirror, custom sockets); 🧩 UI logic, transitions, animation, asset integration; 🧠 Game economy, IAP, rewarded ads, analytics (Firebase, PlayFab); 🛡 QA support, bug fixing, optimization, crash tracking; 🌐 WebGL & mobile publishing (Unity, App Store, Google Play). ⚙️Platforms I develop for: 📱 Mobile (iOS / Android – casual, mid-core, hybrid monetization); 💻 PC, Steam, Xbox, Nintendo (indie and AA-level projects); 🥽 VR/AR (physics-based games, multiplayer experiences); 💬 Telegram Games (with analytics and admin panels); 🎲 GameFi & Gambling (secure payments, licensing support). 🧠 How I work ✔️Initial consultation & scope definition; ✔️Prototype or vertical slice; ✔️Weekly updates and demos; ✔️QA, bug fixing & optimization; ✔️Publishing support and LiveOps maintenance. 💬 Why Clients Choose Me 🚀$30K+ Upwork earnings | 100% Job Success | 5★ reviews; 🚀Clear communication, fast feedback, flexible sync; 🚀Clean code, strong architecture, and full documentation; 🚀I care about player experience — and your business goals. If you’re looking for a reliable developer who understands product goals, user experience, and delivery — let’s talk. I’ll help you turn your idea into a live, stable and scalable product.Object Oriented Programming (OOP)
Game ArtMultiplayerDesign Concept3D ModelingGamificationGame DesignUI/UX PrototypingBlockchainObject-Oriented Programming3D AnimationAR & VRGameGame DevelopmentC#Unity - $15 hourly
- 5.0/5
- (2 jobs)
Greetings! My name is Vadim, and I am a Python Middle Developer / Software Engineer with more than one year of professional experience. I have a strong background in building web applications using the Django framework or Flask, and I also excel in creating custom Telegram bots. Additionally, I possess extensive knowledge of working with APIs, web scraping, object-oriented programming (OOP), and Python coding across various domains. My proficiency extends to Unix systems, allowing me to work comfortably in diverse environments. I also have experience working with such languages as PHP, C++, C, JS, jQuery. I actively showcase my projects on GitHub, where you can explore my portfolio in detail. Among my notable accomplishments, I have taken the initiative to organize and conduct numerous Python meetups aimed at educating and inspiring young children. These meetups have provided me with the opportunity to share my knowledge and passion for programming, further fueling my commitment to the field. Moreover, I have excelled as a team leader in a large-scale project, where my strong leadership skills and technical expertise were instrumental in delivering successful outcomes. Currently, I am engaged as a developer in an exciting crypto wallet project called RedCat Wallet. This role allows me to contribute to the development of secure and efficient solutions within the cryptocurrency domain. In addition to my core skills, I have hands-on experience working with various databases, including PostgreSQL, MySQL, SQLite and Oracle DB. I am well-versed in version control tools such as Git, enabling effective collaboration and code management. My dedication to writing clean, maintainable code drives me to stay updated with the latest technologies and industry best practices, ensuring that my work is of the highest quality. Full technology stack I work with: 1. Languages - Python, PHP, C, C++ 2. FrontEnd - JS, JQuery, HTML, CSS, SCSS, SASS, WordPress, Figma 3. Databases - PostgreSQL, MySQL, SQLite, Oracle DB 4. Unix - Linux, MacOS 5. GIT - GitHub, GitLab, GitHub Actions If you are interested in collaborating with me or would like to learn more about my projects, please feel free to reach out. Thank you for considering my portfolio, and I look forward to the possibility of working together in the future.Object Oriented Programming (OOP)
UnixGitAPIObject-Oriented ProgrammingBot DevelopmentFull-Stack DevelopmentWeb DevelopmentFlaskDjangoHTMLPHPPythonSQLiteMySQLPostgreSQL - $35 hourly
- 5.0/5
- (17 jobs)
I'm expert web development - Front-end | Back-end, with experience over 5 years. I'm hard-working developer. My services: ✅ WordPress Website Development ✅ E-Commerce website development ✅ WooCommerce Website Development ✅ WordPress Themes ✅ Wordpress Plugins ✅ Error correction ✅ Responsive/Bootstrap/Tailwindcss Frameworks ✅ CSS3 / HTML 5 (CSS semantic markup) ✅ JavaScript / JQuery ✅ Cross Browser HTML and CSS ✅ Figma, Zeplin, Avocode, Photoshop to Responsive HTML5, CSS3, Bootstrap, Tailwindcss ✅ Responsive website design and redesign ✅ Support for existing projects and consultations Why choose me? ✅ 100% clean code. ✅ 100% meeting deadlines. ✅ Over 3 years of experience ✅ Excellent customer and technical support. I am proficient in WordPress, HTML5/CSS3 (SASS), JavaScript (jQuery), PHP/MySQL, Figma/Zeplin/Avocode/Photoshop I will be glad to cooperate with you!Object Oriented Programming (OOP)
gulpObject-Oriented ProgrammingFlexboxSQLjQueryBug FixWordPress e-CommerceCSS GridWooCommerceWordPressCSS 3FigmaHTML5PHPElementor - $33 hourly
- 5.0/5
- (4 jobs)
Hi, I'm a Senior Full Stack .NET Developer / Team Lead with 10+ years of experience. I have experience as Team Leader of 4 developers, 1 Project Manager, 1 QA. I'm a responsible motivated developer and I would be glad to do any development work for you. - Software development: C#, .NET Framework, .NET Core, Java, JavaEE, Spring Framework - Web development skills: ASP.NET MVC, ASP.NET Core, Blazor, MudBlazor, Entity Framework, Entity Framework Core, ADO.NET, WebAPI, SignalR, HTML, CSS, XML, JSON, JavaScript, TypeScript, AJAX, jQuery, REST, SOAP, Bootstrap - JavaScript frameworks: AngularJS, jQuery, jQuery UI, ChartJs - Desktop development: WPF, Windows Forms, XAML - Databases: MSSQL, SQLite, MySQL, PostgreSQL - IoC: Ninject, Autofac, Unity, Castle Windsor - Testing: NUnit, XUnit, Selenium - Logging: log4net, Serilog, NLog - Tools: Quartz.NET, Swagger, Fiddler, PuTTY, WinSCP, FileZilla, Postman, Wireshark, PowerShell, .NET Reflector - Understanding: OOP, GRASP, GOF, SOLID, DDD, CQRS, Event sourcing - Managing: Agile, Scrum - Collaboration: Jira, Trello - Source control systems: TFS, Git, Svn, BitBucket - IDE: Visual Studio, Resharper, VSCode, Eclipse, NetBeans - Other: SIP, TAPI I can work in a team and as an individual developer. I understand other developer's code and can work on ongoing projects. Always try to meet deadlines, learn and improve my skills.Object Oriented Programming (OOP)
Object-Oriented ProgrammingWeb API.NET CoreBlazorASP.NET MVCTypeScriptWindows Presentation FoundationEntity FrameworkJavaScriptCSSHTMLSQL.NET FrameworkASP.NET CoreC# - $45 hourly
- 5.0/5
- (11 jobs)
A bright, talented, and ambitious Ruby Developer. I have good knowledge in Web development, from concept to implementation and optimization. I always try to do my best to fit all the requirements of my clients. Looking forward to your messages!Object Oriented Programming (OOP)
APIJiraObject-Oriented ProgrammingJSONMySQLSinatraJavaScriptRuby on RailsjQueryRuby - $40 hourly
- 5.0/5
- (3 jobs)
Thanks for reviewing my profile. My name is Dmytro Vasyliev and have a lot of experience in website development. My core skills are: -Frontend: Html, CSS, Javascript, Typescript, Angular, React -Backend: Node.js, Django(Python) -Database: MongoDB, MySQL, PostgreSQL, Redis I am a highly-detailed person and realized that the quality of the results is a key point for the successful business. So I'll always try to deliver the high-qaulity results for my clients' successes. Also I am very crazy about learing new technologies and love team-working as well. Please feel free to contact me if you are looking for a professional website developer.Object Oriented Programming (OOP)
DjangoKoaFront-End DevelopmentObject-Oriented ProgrammingSocket.ioAPI IntegrationSCSSTailwind CSSReduxPythonNode.jsReactTypeScriptJavaScript - $38 hourly
- 5.0/5
- (6 jobs)
Experienced in development of web-applications. Great product-oriented skills, focus on competitive advantage.Object Oriented Programming (OOP)
ProtractorObject-Oriented ProgrammingReduxTypeScriptPHPJavaScriptRxJSAngularReactNode.jsSymfonySQLRuby on RailsRubywebpack - $45 hourly
- 4.9/5
- (10 jobs)
Hello! 🚀 I’m a driven back-end developer, passionate about delivering beyond expectations. My focus? Your project’s success. You'll find that I work efficiently, and more often than not, ahead of schedule. My journey through various startup ventures has chiseled me into a professional who can swiftly adapt and resolve challenges. I'm all set to be a part of your team, grasp your needs, and breathe life into your business goals. 📌 Key Skills: Languages: JavaScript, TypeScript 📜 Server-side Tech: Node.js, Fastify, Express, Nest.js, Koa 🌐 ORM Tools: TypeOrm, Knex/Objection, Sequelize, Prisma 🛢️ Databases: PostgreSQL, Redis, OneSearch, MongoDB, MySQL 📂 DevOps: Docker, CI/CD tools, AWS, Kubernetes 🚢 Testing: Jest, Node:test/Tap, and more 🧪 Middleware & More: GraphQL, Apollo Server, RabbitMQ 📡 Authentication: From Passport.js to OAuth2 🔐 Engaging with me promises a smooth and efficient collaboration. Ready to jump-start our journey together and make your project a success?Object Oriented Programming (OOP)
SequelizeAmazon S3FastifyNode.jsExpressJSFirebaseAngularNestJSNext.jsObject-Oriented ProgrammingReduxReactPostgreSQL - $40 hourly
- 5.0/5
- (26 jobs)
Prototyping | VR/XR | Unity2D/3D | Programming C# | Game Development 🔥 5 years experience ⭐️ 5 stars rating 🏆 𝟑𝟬+ 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲𝗱 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 🦾 any complexity and project size ★★★★★"Loved working with Yura. Clear communication, fast turnaround, great results. Highly recommend!" ★★★★★ “Yura demonstrated high professionalism and experience working first on the prototype and then on the alpha version of my mobile game.” 🎯 If you're seeking someone to bring your vision to life, feel free to reach out to me via messages. Let's collaborate and build something great—I'm confident I can assist you in achieving your goals. ⭐️ Expertise ranging from hyper-casual and match-3 games to deck building and visual novels ⭐️ Five years of experience in the industry ⭐️ You will get what you need fast with good quality ⭐️ You can expect fast delivery of high-quality results tailored to your needs ⭐️ Ongoing or new project ⭐️ Speed, quality, results ⭐️ Available online 24/7 for your convenience ▔▔▔▔ 🎲 𝐆𝐄𝐍𝐑𝐄𝐒 : 🌍 𝙈𝙪𝙡𝙩𝙞𝙥𝙡𝙖𝙮𝙚𝙧 🧩 𝘾𝙖𝙨𝙪𝙖𝙡, 𝙈𝙖𝙩𝙘𝙝 3, 𝙋𝙪𝙯𝙯𝙡𝙚, 𝙋𝙪𝙯𝙯𝙡𝙚 𝙋𝙡𝙖𝙩𝙛𝙤𝙧𝙢𝙚𝙧, 𝐈𝐳𝐨𝐦𝐞𝐭𝐫𝐢𝐜 🕹️ 𝙍𝙋𝙂, 𝙏𝙤𝙬𝙚𝙧 𝘿𝙚𝙛𝙚𝙣𝙨𝙚, 𝘼𝙘𝙩𝙞𝙤𝙣 🔫 𝙎𝙝𝙤𝙤𝙩𝙚𝙧𝙨, 𝙈𝙈𝙊, 𝙎𝙩𝙧𝙖𝙩𝙚𝙜𝙮 🏝️ 𝙎𝙪𝙧𝙫𝙞𝙫𝙖𝙡, 𝙃𝙤𝙧𝙧𝙤𝙧, 𝘼𝙙𝙫𝙚𝙣𝙩𝙪𝙧𝙚 ✈️ 𝙎𝙞𝙢𝙪𝙡𝙖𝙩𝙤𝙧, 𝙍𝙤𝙜𝙪𝙚𝙡𝙞𝙠𝙚𝙨, 𝘽𝙖𝙩𝙩𝙡𝙚 𝙍𝙤𝙮𝙖𝙡𝙚 ▔▔▔▔ 👨💻 𝐒𝐊𝐈𝐋𝐋𝐒: ✅ C#, C++, Python ✅ Unity ✅ VR/XR ✅ Plug-ins (Unity Ads, AdMob, Firebase, etc.); ✅ Particles ✅ UI/UX ✅ Animations ✅ Node system ✅ Multiplayer ✅ Prototyping ✅ Mobile games ✅ PC games ✅ Creativity ▔▔▔▔ Interactive stories | Visual novels 🔎I know what my client wants: ✅ Create a system for visual novels that can be reused across multiple games. This way, we can develop one system that supports an infinite number of stories, avoiding the need to reinvent the wheel. We only need to expand specific mechanics for special features, making it more practical and cost-effective. ✅ Writers are the core of interactive novels. Let’s make their job easier with a convenient, easy-to-use visual novel engine. ✅ Your writers want to see changes as soon as possible, ideally on the same day that changes are applied. They shouldn’t have to wait several days to see the results in the project. ✅ Visual novels involve collaboration between very different specialties—writers, artists (backgrounds, props, characters), and programmers. Your novel engine must be easy to use for everyone involved. ✅ If you see a game-changing idea, let's discuss it. There are many opportunities to create better stories. ▔▔▔▔ ⚙️𝐓𝐎𝐎𝐋𝐒: 👨💻 IDE: Visual Studio 2022 🚀 Game Engine: Unity 🌐 Multiplayer: Photon (Pun 2), Mirror 🎮 DoTween, Cinemachine, Odin, Puppet Master, etc 💉 Injector: Extenject 🛠️ ECS: Entitas 🧰 OOP, SOLID, Design Patterns 🗂️ Ver. Controll: Git, GitHub, GitLab ▶️ Google Play Developer Console 🎨 Figma, Photoshop, Blender 📈 Atlassian: Jira, TrelloObject Oriented Programming (OOP)
PrototypingJiraPhoton Unity NetworkingFirebase.NET FrameworkFacebook SDKProgramming Bug FixTrelloC#Object-Oriented ProgrammingPC GameMobile GameUnityAR & VR DevelopmentGame Development - $35 hourly
- 5.0/5
- (21 jobs)
Hi there! I'm software developer that interested in web development, highload systems, data analysis and a lot of other cool things, IT and open-source enthusiast. Today I’m focusing on Python development as backend engineer and looking for a new great stuff from JavaScript world as young Padawan. Generally, I was starting my “professional” life as a dude that created HTML templates with tables and images. But today, I’m the part of the talented Gaming Company Team and doing casino mobile games in a highly distributed server environment based in Amazon Web Services. Now I'm ready for new challenges: build IT community in my hometown Zaporizhzhya (meetups, users groups, conferences), try the role of the teacher/mentor, learn more in a few new areas of Software Development. More info - http://erlrange.comObject Oriented Programming (OOP)
PythonObject-Oriented ProgrammingJavaScriptMongoDBTwitter/X APIFacebook DevelopmentMySQLDjangoFlaskCSS - $31 hourly
- 5.0/5
- (30 jobs)
I have discovered for myself a good opportunity to work on the advanced and uncommon projects here in oDesk. My objective is creative, out of the ordinary, highly loaded and scalable projects to develop. I am looking for long-term relationships in project's development area in which I can use my creative forces on 200%. Because it is not possible to do that without studying something new I am also struggling to know more about latest technologies and innovations in Web development.Object Oriented Programming (OOP)
Twitter/X BootstrapGoogle CalendarCubecartFacebook DevelopmentTwitter/X APIObject-Oriented ProgrammingGoogle Maps APIjQueryHTMLAJAXCSSPHPMySQLJavaScriptCodeIgniter - $70 hourly
- 5.0/5
- (6 jobs)
WordPress Senior / Fullstack Web, 10+ years. Premium websites. WordPress' plugins and templates. Web applications. Why me? • Top Rated freelancer at UpWork (2020); • math degree and strong programming skills; • design skills, good eye and developed sense of beauty; • strong soft skills; • great team player and passionate developer. Look forward to working with you!Object Oriented Programming (OOP)
UX & UIWordPress e-CommerceUser Experience DesignWooCommerceInternet of ThingsProgressive Web AppObject-Oriented ProgrammingCSSWordPressJavaScriptPHP - $55 hourly
- 4.8/5
- (10 jobs)
Always your best friend to solve your problems and make your idea come true! Who are that freelancer? Well, I am skilled web-developer and freelancer. My goal is to deliver simple and elegant solutions that suit your goals. I have developed a wide range of websites using: - PHP (5.6-7.3 only): Symfony 2, Doctrine, Laravel, YII, CodeIgniter, Kohana 3 - JavaScript: Require.js, Knockout.js MVVM, Bower.js, jQuery, Mootools vanilla.js, ember.js, AJAX (almost all modern sites/apps need this technology) - Node.js: harmony, express.js, hapi, koa, Sails.js, Derby, Meteor, Socket.IO, Nunjucks.js, HTML5 boilerplate - HTML (5 too): bootstrap (2-4), montage.js, less, sass - MySQL, PgSQL, NoSQL - LAMP / LNMP As you can see - all of this knowledge allows me to choose from a very wide range of instruments. I have experience in developing projects of any complexity, ranging from ordinary business pages to huge portals. My experience also includes moving sites from one hosting/server to another, backing up (My)SQL databases, installing and upgrading sites and servers administration. I don't want you spent a lot time for reading my description. Time - is money. Lets work. ;)Object Oriented Programming (OOP)
MySQLHTMLSphinxAJAXLinux System AdministrationHTML5CSS 3KohanaObject-Oriented ProgrammingMooToolsSymfonyXMLjQueryPHPJavaScript - $40 hourly
- 5.0/5
- (13 jobs)
I'm talented and highly educated web developer with more than 7 years of experience. I' My core competency lies in creating complex solutions for startup companies and innovative businesses using cutting-edge technologies such PHP, MySQL, HTML5/CSS, JavaScript, JQuery, Ajax and Zend2, CodeIgniter ,YII2 and Laravel frameworks. Always pay attention to code style and documentation. I also have solid skills and strong experience in the following areas: - Database design, performance optimization, finding slow queries and bottlenecks - Building complex queries, stored procedures and functions - API implementation for mobile and financial application - Payment gateway integrations: PayPal, Authorize.NET, 2Checkout - Building tests (Unit testing, Codeception) - NodeJs/Angular2 applications developingObject Oriented Programming (OOP)
MySQL ProgrammingObject-Oriented ProgrammingJavaScriptPHPCodeIgniterCSS 3LaminasHTML5AJAXjQuery - $40 hourly
- 5.0/5
- (35 jobs)
Hello, I'm a top rated android developer with 5+ years of experience (100% success story). I write clean, scalable and testable code, easy to mantain, refactor or expand for new features. I have experience in: - Material design - retrofit - SQLite - Firebase - GCM/FCM - Google Play Services - Creating custom views with different complexity - Payment integration - a lot of commonly used librariesObject Oriented Programming (OOP)
Game DevelopmentObject-Oriented ProgrammingMobile App DevelopmentAndroid App DevelopmentC#KotlinFirebaseAndroidJava - $50 hourly
- 5.0/5
- (2 jobs)
My name is Yevhen and I`m a Full-Stack Developer (Node, React.js). About me: * 8+ years proven track record (Web Application Development) * Solid experience in the development of user-friendly management solutions, content control tools, commenting platforms, review collection systems, real estate portals * Tech Stack: JavaScript, React, HandleBars, Catberry, Node.js, Express, hapi.js, Sails.js, PostgreSQL, Couchbase, ElasticSearch, Redis, MongoDB, Apache Kafka, RabbitMQ, SQS * Segments: E-commerce, ERP, Real Estate, CRM * Perfectly adapted to your business processes and can offer you my ideas for implementation Highlighted skills: Web development, Mobile development, Application Development, JavaScript (JS), Front-end Development, Back-end Development, React (ReactJS, React.js), Node.js (Node, NodeJS), TypeScript (Type Script)Object Oriented Programming (OOP)
React NativeObject-Oriented ProgrammingRESTful ArchitectureNode.jsReactMongoDBGraphQLJavaScriptPostgreSQL - $40 hourly
- 5.0/5
- (1 job)
Currently working as Senior software developer/System Achitect/System analyst in Ukrainian Software Company, I am looking for application of my skills and experience for relevant professional job offers (long-term contractual opportunities are preferred). Offering: a) over twenty years winning experience in software design, development and life-cycle implementation; b) particularly over eight years of C#, .NET, MS SQL, Web development experience; c) delivering results within time & udget constraints; experience working in small and middle size international teams; d) as well as a big practice in rendering of consulting, configuration and usability management services I am willing apply that well, for prospective customer(s), creating new opportunities for growObject Oriented Programming (OOP)
Software ArchitectureAPIASP.NET Core.NET CoreObject-Oriented ProgrammingSQL ProgrammingWeb DevelopmentDatabase ModelingSystems DevelopmentASP.NETJavaScriptXML.NET FrameworkC# - $70 hourly
- 5.0/5
- (113 jobs)
Web solutions of any complexity. Attention to details from brief to code delivery. · Laravel framework on top with Livewire, Vue or React · Opencart (logic modifications, themes, extensions etc.) · E-Commerce & Payment gateways (Stripe, PayPal, PayU etc) · REST APIs (creation / modification / maintaining) · Social auth · Web server environment (setup / maintaining) · Custom lightweight PHP scripts · Interactive BotsObject Oriented Programming (OOP)
SwiftOpenCartObject-Oriented ProgrammingDatabase ArchitectureAPI DevelopmentPHPRESTful ArchitectureLaravelEcommerce WebsiteVue.jsGitWordPressCustom PHP - $44 hourly
- 5.0/5
- (28 jobs)
I believe that a clean and beautiful code is backed up not only by the technical side, but a purpose driven decision to try, challenge yourself and finally accomplish it with all due attitude, quality and creativity thus meeting clients` requirements. This character determines both my team and me.Object Oriented Programming (OOP)
JSONInternet of ThingsGitObject-Oriented ProgrammingAndroid App DevelopmentiOS DevelopmentIn-App PurchasesSwiftJavaSQLite - $40 hourly
- 5.0/5
- (11 jobs)
Software developer specializing in the backend, frontend, UI development, computer hacking. A man who loves UNIX, Networking, TeX, and C. Free-software enthusiast. Interested in devising a better problem-solving method for challenging tasks, and learning new technologies and tools if the need arises.Object Oriented Programming (OOP)
DevOpsDockerNetwork AdministrationNetwork SoftwareFreeBSDGentoo Linux Operating SystemLinuxLinux System AdministrationUnix System AdministrationLaTeXObject-Oriented ProgrammingBashPythonC++C - $33 hourly
- 5.0/5
- (6 jobs)
I am a web developer experienced in front/back-end development. PHP (Laravel), MySQL, JavaScript (jQuery, Vue.js) are my favorite instruments. I have experience with database query optimization and deploying sites. I am comfortable with Linux and Docker. Have good experience in API development. Postman is an excellent instrument to test API. I like object-oriented programing, familiar with programming patterns, and like to write readable and well-structured code covered by tests. I work mostly in Laravel and have big experience in it (about 5 years). Have experience with big projects and commands. If you like to get fast and well-done work, if you want a responsible and attentive details developer, you can hire me. I think we will have a nice work experience together. Contact me, and I'll be glad to talk about your project!Object Oriented Programming (OOP)
APIObject-Oriented ProgrammingAPI DevelopmentVue.jsMySQLLaravelReactWeb DevelopmentPHPJavaScriptAPI IntegrationHTMLjQueryTypeScript Want to browse more freelancers?
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