Freelancers para contratação em Brazil - Página 3
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Mostrando 46 resultados
Freelancers Patrocinados
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Hello, I am a professional blockchain developer including dApp, Bot, Solidity Smart contracts, Data with various APIs(Moralis/Bitquery/CMC etc), Trading consulting and strategy implementations on Solana and EVM chains. Good profitable and high quality fund raising projects I can lead with my solid knowledge and wide...Hello, I am a professional blockchain developer including dApp, Bot, Solidity Smart contracts, Data with various APIs(Moralis/Bitquery/CMC etc), Trading consulting and strategy implementations on Solana and EVM chains. Good profitable and high quality fund raising projects I can lead with my solid knowledge and wide experiences. And before I was web developer and especially good at Frontend with React/Typescript and Backend with Node/Express, Database with SQL/JSON based schema. Experienced in optimizing search engine performance, conducting keyword research, implementing on-page and off-page techniques, utilizing analytics tools, refining content for SEO, and building quality links. Thanks for your kind reading. menos
Contratar gabriel9725
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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. menos
Contratar VictorHugo1998
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Com mais de três décadas de experiência em Tecnologia da Informação, destaco-me pela liderança na criação e implementação de sistemas de alta qualidade. Desde 1986, quando fundei o departamento de TI de uma empresa familiar, tenho liderado equipes no desenvolvimento de sistemas abrangentes, abordando áreas como...Com mais de três décadas de experiência em Tecnologia da Informação, destaco-me pela liderança na criação e implementação de sistemas de alta qualidade. Desde 1986, quando fundei o departamento de TI de uma empresa familiar, tenho liderado equipes no desenvolvimento de sistemas abrangentes, abordando áreas como faturamento, contabilidade e automação de processos industriais. Recentemente, concentrei-me em projetos de desenvolvimento de sistemas Java, tanto monolíticos quanto em arquiteturas de micro serviços, além de incursões em ambientes de nuvem. Minhas competências-chave incluem: • Proficiência em linguagens de programação, com especialização em Java e seus frameworks. • Experiência comprovada em levantamento de requisitos, modelagem de sistemas e execução de testes. • Liderança de equipes em ambientes de desenvolvimento e automação de processos. • Consultoria estratégica em instituições financeiras de renome. • Conhecimento em sistemas de folha de pagamento, recursos humanos e telecomunicações. • Especialização em sistemas de pagamento eletrônico e integração de nota fiscal eletrônica. • Experiência em sistemas de atendimento e acionamento de serviços. Com formação em engenharia eletrônica pela FEI, bacharelado em sistemas para Internet pela UNISUL Virtual e um MBA em Big Data pela FIAP, estou preparado para enfrentar desafios dinâmicos no desenvolvimento backend, aplicando meu conhecimento diversificado e adaptável. Estou motivado a contribuir significativamente para projetos inovadores e desafiadores. menos
Contratar jocarreira5
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Experienced Backend Developer and Software Architect 15+ Years Designing and Developing Scalable Software Solutions I am a highly skilled backend developer and software architect with over 15 years of experience designing, developing, and implementing robust software solutions. I have a proven track record of...Experienced Backend Developer and Software Architect 15+ Years Designing and Developing Scalable Software Solutions I am a highly skilled backend developer and software architect with over 15 years of experience designing, developing, and implementing robust software solutions. I have a proven track record of success in creating scalable, high-performance applications that meet the needs of a wide range of clients. I am proficient in a variety of programming languages, frameworks, and technologies, and I have a deep understanding of software architecture principles and best practices. My Expertise: Backend Development: Designing, developing, and maintaining backend systems for web and desktop applications Software Architecture: Creating scalable, maintainable, and secure software architectures Cloud Services: Expertise in AWS, Azure, and Google Cloud Platform Databases: Designing and implementing relational and NoSQL databases Programming Languages: C, C++, C#, Javascript, Python, and more Frameworks: QT, ASP.NET Core, Node.js, and more I am a valuable asset to any team and I am confident that I can exceed your expectations. I am a highly motivated and results-oriented individual with a passion for software development. I am able to work effectively with both technical and non-technical stakeholders. menos
Contratar acrlink
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Amo trabalhar e fazer o meu melhor para o cliente, estudando e me comunicando para entender e realizar bemAmo trabalhar e fazer o meu melhor para o cliente, estudando e me comunicando para entender e realizar bem menos
Contratar wellyngton1
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I have a degree in computer science, I worked in a technology company, with the technologies, html, css, ajax, c#, nhibernate, and I interned at another with flask and python.I have a degree in computer science, I worked in a technology company, with the technologies, html, css, ajax, c#, nhibernate, and I interned at another with flask and python. menos
Contratar vinicius339
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Hello everyone. I am from Paraná, in south of Brazil. I have a superior degree in Agronomic Engeneering, and around 2018 I started learning how to code for development and automating some tasks for myself. Now I'm looking for a carrer change, and started as a freelancer developer. My skills are based on web...Hello everyone. I am from Paraná, in south of Brazil. I have a superior degree in Agronomic Engeneering, and around 2018 I started learning how to code for development and automating some tasks for myself. Now I'm looking for a carrer change, and started as a freelancer developer. My skills are based on web development, most using the Googles App Script enviroment. In the beggining I just automated a few simple tasks, send reports in emails, importing data from invoices xml files and so. Recently I learned how to connect Scripts with any API, and make a web app, where is possible to outcome an HTML file, where the users interface get really intresting, sending data throw and running the funtions on the background of the aplication, and even request data to be shown on the HTML. That's my background, and on my github I'm posting my personals projects as I'm developing it. •Html experience •Google Sheets,Docs, Drive, Email.. with Google App Scripts •API connections, import and export data from GSheets,Docs, Drive •Outcome HTML file from Google with webapp. Gsheets as Database • Responsive CSS for desktop or Mobile viewers •PHP for WordPress - Connecting the Database with the front-end • Javascript for live apps, search in the website and a few small other uses menos
Contratar FelipeBSR
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Trabalho em projetos de programação e design, utilizando conhecimentos em HTML, CSS, JQuery, Bootstrap, MySQL, Postgre, PHP, Angular 5, Photoshop, Illustrator, After Effects, Python, Harbour entre outros.Trabalho em projetos de programação e design, utilizando conhecimentos em HTML, CSS, JQuery, Bootstrap, MySQL, Postgre, PHP, Angular 5, Photoshop, Illustrator, After Effects, Python, Harbour entre outros. menos
Contratar leonardogoyanna
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I work with ASP / ASP.NET, Javascript, jQuery, CSS, Tableless, Bootstrap, SQL Server, MySQL.I work with ASP / ASP.NET, Javascript, jQuery, CSS, Tableless, Bootstrap, SQL Server, MySQL. menos
Contratar AndySchmitt
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I am a results-driven freelancer with a passion for perfectionism. With a keen eye for detail and a commitment to delivering top-notch work, I strive to exceed client expectations on every project. My expertise lies in React, Angular, Vue, React Native, Flutter, Node.js, Express, Python and Laravel. I'm passionate...I am a results-driven freelancer with a passion for perfectionism. With a keen eye for detail and a commitment to delivering top-notch work, I strive to exceed client expectations on every project. My expertise lies in React, Angular, Vue, React Native, Flutter, Node.js, Express, Python and Laravel. I'm passionate about optimizing performance, problem-solving, improving user experiences, and successfully delivering complex projects. Track record of collaborating with diverse clients in industries such as E-commerce, Home services, etc. Client satisfaction is my top priority, and I take pride in my ability to deliver error-free, polished work within deadlines. By partnering with me, you can expect nothing less than perfection in every aspect of our collaboration. Let's start our perfect work. menos
Contratar gener5
