Freelancers for hire in Serbia
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Hello! I'm a senior software engineer who has worked in software development and education for over 15 years. Fields of interest Windows, Web, Mobile App, Databases. Skilled in Programming, Research, and Problem-solving. Strong Math and logic background. Mainly worked as a Freelancer and Professor of programming...Hello! I'm a senior software engineer who has worked in software development and education for over 15 years. Fields of interest Windows, Web, Mobile App, Databases. Skilled in Programming, Research, and Problem-solving. Strong Math and logic background. Mainly worked as a Freelancer and Professor of programming languages. Also, I had several Contracts with companies as a programmer for various technologies. I'm focusing on Web & Mobile development using React, React Native, Vue, Node, Javascript, Typescript, C#, Java, HTML, CSS and PHP. -Some of these projects were: • Web Application Development: React, Vue, Angular, JS/TS, Node, Python, Django, PHP, Laravel, CI • DNA Manipulation: C++ • Aras connector: C#, SQL Server, WPF • Email service/Projects management collaborative software: MVC, ASP.NET, C#, MSSQL, Gmail • PreviCAD system: C#, ASP.NET MVC, SQL Server • News & Magazines App: Android, Mobile Development, Java • Restaurant Android Application: Java, Android, Mobile Development • Transpotation Management System: Java, Android, Mobile Development • Attribute Manager: C#, MSSQL, Software Architecture • Microsoft Office – Excel Add-On: C#, MSSQL • C++ TCP UDP communication: C++, Linux, Windows • OOP Principles and Design - UML - J2EE – Websrvices: J2EE, Web Services • Spectral analysis of a complex sine wave in the frequency domain: C#, .NETLink: 1. Programming Languages C#, C/C++, Objective-C, Java, Kotlin, Python, PHP, JavaScript. 2. Frameworks/Platforms ✔️Javascript Frameworks ➤ React.js, React Native ➤ Vue.js ➤ Angular.js, Angular2+ ➤ Node.js ✔️PHP Frameworks ➤ Laravel ➤ CodeIgniter ✔️ Python Frameworks ➤ Django ➤ Flask ✔️C# Frameworks ➤ ASP.NET MVC ➤ ASP.NET Core MVC ✔️Cross Platform ➤ Flutter ➤ Xamarin ✔️Embedded Systems/Software ✔️Cryptography 3. Databases MSSQL, MySQL, NoSQL, PostgreSQL, Google Firebase 4. APIs ➤ Stripe, Paypal ➤ Google Maps API, Google Charts API, Google Vision API, Facebook API, Azure ➤ SendGrid, Mailchimpmp, Sentry, Twilio, Firebase ➤ Elasticsearch, Algolia, Amazon less
Hire vladang
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Hi there, my name is Milos and i am a mobile developer. i specialize in developing mobile applications for various platforms such as iOS and Android, Flutter, React Native. I have experience with programming languages such as Java, Swift, Dart, and Kotlin. I am skilled in design user-friendly interfaces, creating...Hi there, my name is Milos and i am a mobile developer. i specialize in developing mobile applications for various platforms such as iOS and Android, Flutter, React Native. I have experience with programming languages such as Java, Swift, Dart, and Kotlin. I am skilled in design user-friendly interfaces, creating clean code, and testing and troubleshooting mobile apps. I am passionate about keeping up-to-date with the latest technologies in the mobile development industry and staying ahead of the curve. less
Hire milos0
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Summary: Highly skilled and innovative Mobile, Web & Blockchain Developer with a proven track record in creating cutting-edge, secure, and efficient web applications utilizing blockchain technology. Proficient in a range of programming languages, including Android, React-Native, Swift, Flutter JavaScript, Solidity,...Summary: Highly skilled and innovative Mobile, Web & Blockchain Developer with a proven track record in creating cutting-edge, secure, and efficient web applications utilizing blockchain technology. Proficient in a range of programming languages, including Android, React-Native, Swift, Flutter JavaScript, Solidity, Python, and more. Adept at designing, developing, and implementing complex decentralized systems, smart contracts, and DApps. Committed to delivering high-quality solutions that align with client objectives and industry best practices. Skills: Mobile Development: Expertise in Cross-Platform and Native mobile development using modern frameworks and languages such as React-Native, Flutter, Kotlin, Swift, and more. Skilled in creating responsive, user-friendly interfaces. Blockchain Development: Extensive experience in blockchain technology, including Ethereum, Hyperledger, and other platforms. Proficiency in developing smart contracts, decentralized applications (DApps), and implementing blockchain solutions. Web Development: Expertise in front-end and back-end web development using modern frameworks and languages such as React, Angular, Node.js, Python, and more. Skilled in creating responsive, user-friendly web interfaces. Smart Contracts: Solid understanding of smart contract development using Solidity and other relevant languages. Capable of implementing complex business logic securely on the blockchain. Security and Optimization: Knowledgeable about security best practices in blockchain and web development. Experience in optimizing code and infrastructure for efficiency and performance. API Integration: Proficient in integrating various APIs to enhance the functionality and interoperability of web and blockchain applications. Database Management: Skilled in database design, implementation, and management, including SQL and NoSQL databases. less
Hire MarkMemphis
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Hello, my name is Sasa. I have been working on the Javascript & PHP for 10 + years and I'm a professional FullStack Programmer. For this time I've been working on a lot of Database and Web projects for many different companies in the world. My core competency is mainly in the Database(Microsoft SQL, MySQL), the...Hello, my name is Sasa. I have been working on the Javascript & PHP for 10 + years and I'm a professional FullStack Programmer. For this time I've been working on a lot of Database and Web projects for many different companies in the world. My core competency is mainly in the Database(Microsoft SQL, MySQL), the backend of Laravel & Node.js/Express JS and on the frontend of AngularJS, ReactJS & Vue.js. I've ever worked for building ecommerce platform with Full-Stack using Magento. My career was built as a Full-Stack web developer with AngularJS, React, NodeJS. With the increase of amazing, fast and productive Javascript frameworks, I changed the focus of my professional career five years ago to become an expert in ReactNative, Flutter(Dart) and Ionic Mobile development and Native mobile application development. My Strengths and skills I prefer to develop those Web technologies as: - Microsoft SQL, MySQL/MariaDB, Redis, CouchDB, HBase, MongoDB - SOAP, RESTful API - ASP.NET, C# CodeIgniter - PHP, JavaScript, JQuery, React, Vue, Bootstrap, AngularJS, Meteor.js - React Native, Flutter, Kotlin, Ionic + AngularJS, Framework7, Cordova, Xarmarin - Cassandra, Nginx, Apache - Familiar with Firebase, Amazon, Google API, Twilio API, Azure. Feel free to contact me anytime to start working on projects together and make your wishes come to life. less
Hire sasa34
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Hello there! I'm a Designer & Full Stack Developer with 10+ years of industry experience, a great Portfolio with a lot of High-Quality work, and the fastest Support. I handle any tasks related to LAMP and MERN stacks. I use cutting-edge technology & best practices to create custom sites involving: Graphic Design,...Hello there! I'm a Designer & Full Stack Developer with 10+ years of industry experience, a great Portfolio with a lot of High-Quality work, and the fastest Support. I handle any tasks related to LAMP and MERN stacks. I use cutting-edge technology & best practices to create custom sites involving: Graphic Design, Logo Design, Website Design, Responsiveness, Optimization, Customization, and Integration of demand. We are Experts in HTML/CSS, PHP, MySql, WordPress, CodeIgniter, Laravel, Angular JS, Node JS, Shopify, E-commerce, and WooCommerce. I do have a team to assist me in Mobile(Android & iOS) Native, and hybrid app design and development if you need mobile apps along with a web project. I have skills in managing Hosting, VPS, Linux, AWS, Corporate Networking, Support, and maintenance. WHY HIRE ME? ✓ 100+ website completed ✓ 50+ mobile apps and games completed ✓ 150+ happy clients worldwide ✓ Full Stack 24/7 support ✓ High-quality works with better revision ✓ SEO, Speed, and Security optimized solutions ✓ Fast turnaround within your deadline Please contact me for discussions and to see my portfolio. Kind Regards! less
Hire andrey688
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Highly skilled software developer bringing around 7 years of software design, development, and integration using modern Software Development Life Cycle methodologies and cutting-edge design patterns to deliver high-quality, robust solutions which meet all business needs. History of successfully implementing SaaS...Highly skilled software developer bringing around 7 years of software design, development, and integration using modern Software Development Life Cycle methodologies and cutting-edge design patterns to deliver high-quality, robust solutions which meet all business needs. History of successfully implementing SaaS systems, standalone tools, RESTful APIs, web applications, and much more. An excellent team player with advanced knowledge of React and React Native for frontend, Node, Python and Spring Boot for backend. - Programming Languages: JavaScript, TypeScript, Python - Frontend Development: React.js, Vanilla JS, React Native, Next.js - Styling Frameworks: Tailwind CSS, Sass, Bootstrap, CSS-in-JS - Backend Development: Node.js, Django, RESTful API, GraphQL - Database: MySQL, PostgreSQL, MongoDB - Cloud Services: AWS, Azure - Version Control: Git, Linear, Jira - Testing and Debugging: Unit testing, Integration testing, End-to-End testing - Build Tools and Task Runners: Webpack, Gulp, NPM & Yarn, Powershell - Architecture: Micro-frontend, State Management, Routing, Handling Data from APIs - SOTA Technologies: OpenAI API - Documentation and Communication less
Hire miodrag5
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- Skills Python, Data Science, System Engineering, Database Architecture, Backend Development, Cloud DevOps, Blockchain Core. - Experiences * Perception system development for Autonomous Engineering * Cloud Web Automation & Data Processing * Data Mining & NLP on Big Data * Blockchain-based banking platform development- Skills Python, Data Science, System Engineering, Database Architecture, Backend Development, Cloud DevOps, Blockchain Core. - Experiences * Perception system development for Autonomous Engineering * Cloud Web Automation & Data Processing * Data Mining & NLP on Big Data * Blockchain-based banking platform development less
Hire sasaprogramer21
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I'm a senior frontend developer whose main expertise lies in single page application development using JavaScript and TypeScript. I'm especially well versed with React.js and Vue.js as well as having vast experience with Next.js. My focus is always to keep things as simple as possible and make stuff better. ✧...I'm a senior frontend developer whose main expertise lies in single page application development using JavaScript and TypeScript. I'm especially well versed with React.js and Vue.js as well as having vast experience with Next.js. My focus is always to keep things as simple as possible and make stuff better. ✧ Experience JavaScript__8 years Node.js____7 years React_____ 7 years Vue.js _____5 years Next.js_____3 years TypeScript__3 years ✧ Skills Languages - HTML, CSS, JavaScript, TypeScript Libraries - React, Vue, Node Frameworks - Next.js, Nuxt.js, Redux, Express.js, Tailwind CSS, Bootstrap, Material UI Tools - Webpack, Heroku, Git, Trello, Scrum, Figma Storage - MongoDB, MySQL ✧ Paradigms Responsive web development, Test-driven development, Agile software development, Search Engine Optimization less
Hire jasna22
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I am a highly experienced Full Stack Engineer with 9 years of expertise. I prioritize collaboration and strive to be part of high-trust teams that foster healthy communication, emphasize ownership, and value fast feedback loops. My goal is to contribute my skills and join an innovative and creative tech start-up,...I am a highly experienced Full Stack Engineer with 9 years of expertise. I prioritize collaboration and strive to be part of high-trust teams that foster healthy communication, emphasize ownership, and value fast feedback loops. My goal is to contribute my skills and join an innovative and creative tech start-up, where I can actively participate in developing technical platforms and products for various stakeholders. Technical scope: Frontend Development: Angular, Vue.js/Nuxt.js, React/Next.js, JavaScript, TypeScript Backend Development: Java, Node.js/Express.js, Python, Golang, ASP.NET, PHP/Laravel-CodeIgnitor... Mobile App Development: React Native, Flutter, Swift, Java, ObjectiveC, Kotlin, SwiftUI Blockchain: Solidity, Rust, Web3.JS/Ethers.JS, Ethereum/BSC/Tron/Cardano/Polygon/Solana/Opensea less
Hire jovan68
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I am a verified senior full stack Mobile App and Web developer from many local companies and clients. I have developed a wide range of native & hybrid mobile apps for iOS and Android platforms, including apps for startup companies, small businesses, and enterprises. My current area of interest is the complete...I am a verified senior full stack Mobile App and Web developer from many local companies and clients. I have developed a wide range of native & hybrid mobile apps for iOS and Android platforms, including apps for startup companies, small businesses, and enterprises. My current area of interest is the complete development of mobile projects from designing to publishing on the App Store and Google Play. Also, I am an experienced Software Engineering professional specializing in C# and the .NET framework stack as well as developing solutions on the cloud. Over the past few years a lot of focus has been put on .NET MVC/Core, C# and so I have used it extensively to create backend frameworks and APIs. I have also spent a great deal of time in other platforms like PHP, React.js, Angular, Node.js. Also, I have gained an extensive experience in Web API services. I have created APIs for other services to consume, and I have worked with a wide variety of public and private APIs including weather, finance, traffic, security, and eCommerce API services. My goal is to make sites and applications that look great, and work hard to make client job easier. This is my rule. - Complete projects on time and as promised to clients - Maintain a 100% complete profile with accurate skills and genuine work - Keep the availability status up-to-date - Regularly submit proposals to projects that match my skill set - Adhere to the Upwork Terms of Service In relationships with a client, I am always open to discussion and focused on providing quality results within the stipulated time frame. I am ready to be hired by you today. less
Hire aleksandar64
