Freelancers untuk diupah di Brazil
Menunjukkan 17 hasil
Freelancers Ditaja
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pedrohenrique72 pedrohenrique72
$30 USD / jam
React.js | Node.js | MongoDB | Blockchain | SolanaBrazilI am a professional well-experienced and hardworking Developer with track record of accomplishment of 5+ years of developing websites and web-applications for companies. A developer with extra ordinary skills set in which in addition I must say calmness, politeness a relaxed developer with expertise of so many...I am a professional well-experienced and hardworking Developer with track record of accomplishment of 5+ years of developing websites and web-applications for companies. A developer with extra ordinary skills set in which in addition I must say calmness, politeness a relaxed developer with expertise of so many practical tools and technologies. I have Created/Developed so many sites including Company profiles, E-commerce Site, Management Systems, ERP Systems and many more. I have also rich expereinces in Blockchain, especially Solana. I am very familiar with Solscan.io, moralis, quicknode and other solana services API. kurang
Upah pedrohenrique72
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? Welcome to my profile! I'm a seasoned Full-Stack Developer with over 10 years of hands-on experience in crafting web applications and solutions that blend Diligence, Dedication, Integrity, and Simplicity. ? My expertise spans both the frontend and backend realms, where I've created captivating user interfaces and...? Welcome to my profile! I'm a seasoned Full-Stack Developer with over 10 years of hands-on experience in crafting web applications and solutions that blend Diligence, Dedication, Integrity, and Simplicity. ? My expertise spans both the frontend and backend realms, where I've created captivating user interfaces and robust server-side functionalities. From designing sleek HTML and CSS layouts to diving deep into the realms of NodeJS, Python, and JavaScript, I've got it all covered. ? On the frontend, I'm well-versed in modern technologies like React, Next, Angular, Flutter, ionic, and Vue, enabling me to bring your vision to life with a polished and responsive user experience. ? Meanwhile, on the backend, I've mastered the art of NodeJS, Ruby on Rails, PHP, Laravel and Django, crafting efficient APIs and implementing complex business logic to power your applications. ? My database skills are equally robust, as I've worked with a variety of systems, including MySQL, PostgreSQL, Oracle, and MongoDB. I can design and optimize database schemas that ensure seamless data management. ? What sets me apart is my commitment to delivering results with unwavering integrity and a focus on simplicity. I believe in clean, maintainable code that stands the test of time and facilitates future enhancements. ?️ Additionally, I have a knack for setting up Continuous Integration/Continuous Deployment (CI/CD) pipelines, ensuring smooth development workflows and timely project deliveries. ☁️ Last but not least, I'm well-versed in Cloud service deployment, particularly on AWS, making it easier than ever to scale your applications as they grow. ? Ready to take your project to the next level? Let's chat and discuss how I can bring your ideas to fruition with diligence, dedication, integrity, and a touch of simplicity. kurang
Upah marcoios
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I am an electronic engineer having more than 20 years of experience in programming, implementation, administration and maintenance tasks related to computer science. Please find bellow some of my skills: - Programming languages like C/C++, VC++, C#, VB, Java, Javascript, ASP, PHP, HTML5, CSS3 - Deep knowledge in...I am an electronic engineer having more than 20 years of experience in programming, implementation, administration and maintenance tasks related to computer science. Please find bellow some of my skills: - Programming languages like C/C++, VC++, C#, VB, Java, Javascript, ASP, PHP, HTML5, CSS3 - Deep knowledge in JQuery Javascript framework - Install, configure and maintain almost all operating systems like Windows, Linux, BSDs, Solaris, Mac OS X. - Microsoft Certified Systems Engineer (MCSE/Windows Servers) - Microsoft Certified Database Administrator (MCDBA/SQL Server) - Planning and developing Database Queries in SQL language - MySQL Database Implementation/Administration/Maintenance specialist - Installing/Administering/Maintaining Linux and FreeBSD servers for Web, FTP, Email and Firewall services - Designing in Adobe InDesign, Adobe Illustrator, Adobe Photoshop, CorelDraw, AutoCAD kurang
Upah engkelber
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Animation Production for RustCon: I developed a custom animation for RustCon, a leading technology security company that currently provides services to renowned institutions such as Banco do Brasil and the Brazilian Army. The animation was designed to effectively communicate the security services offered by RustCon,...Animation Production for RustCon: I developed a custom animation for RustCon, a leading technology security company that currently provides services to renowned institutions such as Banco do Brasil and the Brazilian Army. The animation was designed to effectively communicate the security services offered by RustCon, contributing to its market presence. Front-End Development for Betting House: I led the front-end development for a betting house, creating an intuitive and attractive interface for users. I implemented modern and responsive designs, providing a high-quality user experience and enhancing customer interaction with the platform. Front-End and Back-End Project for Real Estate Company: I spearheaded a comprehensive project for a real estate company, taking responsibility for both front-end and back-end development. I utilized technologies such as React and Node.js to create a robust and scalable platform, providing users with a seamless experience while navigating property listings and interacting with platform features. These experiences have allowed me to enhance my technical and communication skills, as well as develop a proven ability to deliver high-quality projects within established deadlines. kurang
Upah StephanGuimaraes
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C#.NET, Delphi and C Language developer. Web Developer (HTML5, CSS, Javascript, Bootstrap) Eletronic/Arduino hobbyst. Machine Learning student. Security configuration (hardening) for computer/phone/tablet and network. Desenvolvedor em Linguagem C, C#.NET e Delphi. Desenvolvedor Web (HTML5, CSS,...C#.NET, Delphi and C Language developer. Web Developer (HTML5, CSS, Javascript, Bootstrap) Eletronic/Arduino hobbyst. Machine Learning student. Security configuration (hardening) for computer/phone/tablet and network. Desenvolvedor em Linguagem C, C#.NET e Delphi. Desenvolvedor Web (HTML5, CSS, Javascript, Bootstrap) Hobbysta em Eletrônica e Arduino. Estudante de Machine Learning. Configurações de segurança em computadores, tablets e celulares, bem como em redes e Internet. kurang
Upah soriel
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SKILLS • Python (Advanced). Opencv; Tensorflow; Tesseract; Numpy; Pandas; WebDriver selenium; Django; Flask; Web scraping; Web crawling; Scrapy; Sentimental analysis; • JavaScript (Advanced). HTML; CSS; Bootstrap; TypeScript; Vue.js; D3.js; React.js; Node.js; React...SKILLS • Python (Advanced). Opencv; Tensorflow; Tesseract; Numpy; Pandas; WebDriver selenium; Django; Flask; Web scraping; Web crawling; Scrapy; Sentimental analysis; • JavaScript (Advanced). HTML; CSS; Bootstrap; TypeScript; Vue.js; D3.js; React.js; Node.js; React native; Ionic framework; JQuery; • Blockchain (Advanced). Hash; Immutability; Consensus protocol; Transactions; Encryption; Distributed P2P networks; Block mining; Smart contracts; Cryptocurrencies; • SQLite (Advanced). Create tables in the database – create table; Include records in a table – insert; Query data in tables – select; Change records in a table – update; Delete records in a table – delete; Embedded functions (sum, max, avg, min0; Create client class in an android app; Include data in the database; Change data in the customer table; Delete data in the customer table; List data in the customer table; Map classes for integration with realm using annotations; Implement class for data persistence crud nosql insert; Implement class for data persistence crud nosql update; Implement class for data persistence crud nosql delete; Implement class for data persistence crud nosql list; Implement a method to retrieve data from a class by id; • PHP (Basic). Laravel; WordPress; • AutoCad (Advanced). • Assembly and maintenance of Computers (Advanced). • Microsoft Office (Advanced). • Pascal (Advanced). • Microsoft Windows (Advanced). • Java (Advanced). • MySQL (Advanced). • PostgreSQL (Advanced). • MongoDB (Advanced). • Portuguese (Advanced). • Spanish (Basic). • English (Basic). EXTRA INFORMATION I provide customized software solutions, connecting people to technologies through my knowledge and services. I develop and maintain websites, mobile apps, desktop software and web-based apps. I am also cryptocurrency enthusiasts and have been working on different personal projects related to Bitcoin and exchanges such as Binance, Okex, Kraken, Fatbtc, Mercado Bitcoin among others. I have built trading bots and have been using AI to predict cryptocurrency prices. In my free time I’m always reading and learning about something related to technology and/or cryptocurrency and blockchain use cases. kurang
Upah Neiev
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Desenvolvedor com experiência de 9 anos em PHP e sites em WordPress. Tenho conhecimento em programação nas linguagens PHP, Ruby on Rails, NodeJS e React, sendo, aproximadamente, 9 anos de experiência com PHP, 1 ano de experiência com Ruby on Rails, poucos meses com NodeJS e React. Minha experiência com PHP envolve...Desenvolvedor com experiência de 9 anos em PHP e sites em WordPress. Tenho conhecimento em programação nas linguagens PHP, Ruby on Rails, NodeJS e React, sendo, aproximadamente, 9 anos de experiência com PHP, 1 ano de experiência com Ruby on Rails, poucos meses com NodeJS e React. Minha experiência com PHP envolve criação de sites em Wordpress e sistemas utilizando os frameworks Zend Framework, Yii2, Symfony e Laravel. Meus conhecimentos também envolvem HTML5, CSS3, Javascript, jQuery, Bootstrap, Tailwind, Git, Docker e os bancos de dados MySQL e PostgreSQL. Trabalhei com o SEI (Sistema Eletrônico de Informações) e com o SMPI (Sistema de Monitoramento de Projetos de Infraestrutura), participando do desenvolvimento do software, melhorias e refatoração de código para otimizar o sistema. Atuei no desenvolvimento da Central de Vendas da Ignição Digital (Fórmula de Lançamento), bem como do sistema de pagamentos. kurang
Upah victorloobo
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As a freelancer specializing in web and blockchain development, I bring a unique skill set to the table, allowing me to tackle diverse projects and deliver innovative solutions. Here's a summary of my expertise and capabilities: Web Development: Frontend Expertise: Proficient in HTML, CSS, and JavaScript, with...As a freelancer specializing in web and blockchain development, I bring a unique skill set to the table, allowing me to tackle diverse projects and deliver innovative solutions. Here's a summary of my expertise and capabilities: Web Development: Frontend Expertise: Proficient in HTML, CSS, and JavaScript, with hands-on experience in popular frontend frameworks like React.js, Angular, and Vue.js. Responsive Design: Skilled in creating responsive and user-friendly interfaces that adapt seamlessly across various devices and screen sizes. Backend Proficiency: Experienced in backend development using Node.js, Express.js, Python (Django, Flask), Ruby (Ruby on Rails), and PHP (Laravel), enabling me to build robust server-side applications and APIs. Full-Stack Capabilities: Versatile in both frontend and backend development, allowing me to handle all aspects of web application development from start to finish. Version Control: Proficient in Git and GitHub, ensuring efficient code management, collaboration, and version tracking. Blockchain Development: Blockchain Fundamentals: Deep understanding of blockchain technology, including its core principles, consensus mechanisms, and cryptographic techniques. Smart Contract Development: Skilled in writing smart contracts using Solidity (for Ethereum) and Chaincode (for Hyperledger Fabric), enabling the creation of self-executing contracts and decentralized applications (dApps). dApp Development: Experienced in building decentralized applications (dApps) on various blockchain platforms such as Ethereum, Binance Smart Chain, and Hyperledger Fabric, catering to diverse use cases including decentralized finance (DeFi), supply chain management, and identity verification. Security Focus: Prioritize security in blockchain development by implementing best practices, conducting thorough code audits, and ensuring the integrity and confidentiality of data on the blockchain network. Blockchain Platforms: Proficient in working with different blockchain platforms, selecting the most suitable platform based on project requirements, scalability, and consensus mechanisms. Freelancing Skills: Project Management: Capable of managing freelancing projects from initiation to completion, ensuring timely delivery, client satisfaction, and adherence to project requirements. Communication: Effective communication skills to understand client needs, provide updates on project progress, and address any concerns or issues promptly. Problem Solving: Strong problem-solving skills to troubleshoot issues, debug code, and implement effective solutions, ensuring smooth project execution and delivery. As a freelancer specializing in both web and blockchain development, I am committed to delivering high-quality, innovative solutions that meet client needs and drive business success. kurang
Upah VictorHugo1998
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I´m expert in negotiation, large commercial experience, multipurpose and good relationship with people and customers. - English and Portuguese speaaker. - Professional driver - Hability with microsoft office package - Exclellent typer specially using numbersI´m expert in negotiation, large commercial experience, multipurpose and good relationship with people and customers. - English and Portuguese speaaker. - Professional driver - Hability with microsoft office package - Exclellent typer specially using numbers kurang
Upah raulfjr
