Hire the best Android App Developers in Rio de Janeiro, BR
Check out Android App Developers in Rio de Janeiro, BR with the skills you need for your next job.
- $60 hourly
- 5.0/5
- (10 jobs)
I'm an experienced consultant in development and architecture for full stack web and mobile solutions. I specialize in frameworks such as React & React Native and NodeJS/Express deployed to cloud platforms such as Amazon Web Services and Heroku. I have a degree in Product Strategy from Kellogg Executive Education School, I'm also a Certified Enterprise Architect (TOGAF) and Certified Java Programmer (Sun/Oracle). My goal in Upwork is to support clients getting high quality software. Here's how I can help: 1 - design the architecture of your system/application; 2 - structure and set key deliverables to your project; 3 - develop your app - I've been a developer for over 15 years and have been working with React Native specifically for nearly 4 years. 4 - set a development & QA team - define roles, perform interviews and handle day to day development management tasks; 5 - manage and collaborate to refine your product strategy; Previously I have worked for +10 years for Accenture first as a senior engineer, then as an enterprise and solutions architect. During that time, I have developed, designed and managed large scale implementations in different industries. I have worked with a broad spectrum of technologies and specialized in integration and cloud architectures. I left my corporate job to work part-time as a freelancer while I build the product for a startup I'm co-founding. The technologies I offer here are the technologies I use to build and scale our (quite complex) product, so rest assured I have a deep interest and grasp in those.
Android App Development
J2EESolution ArchitectureiOS DevelopmentSQLReact NativeReactJavaScriptGraphQLNode.js - $10 hourly
- 0.0/5
- (0 jobs)
Sou um desenvolvedor web em formação, com foco em front-end, e apaixonado por tecnologia. Tenho experiência prática com HTML, CSS, JavaScript e estou em constante evolução com projetos próprios e cursos na área de desenvolvimento fullstack. Além da parte técnica, trago comigo anos de vivência no varejo, o que me ensinou a importância da organização, empatia no atendimento e foco em resultados. Estou aqui para ajudar você a tirar seu projeto do papel com responsabilidade, atenção aos detalhes e comunicação clara durante todo o processo. ✔️ Conhecimentos em HTML, CSS, JavaScript, Python, C#, Photoshop e CorelDRAW ✔️ Bom entendimento em UX/UI e responsividade ✔️ Comunicação constante e entrega no prazo ✔️ Sempre aberto a feedbacks e pronto para aprender e evoluir com cada projeto Vamos trabalhar juntos?
Android App Development
App DevelopmentMobile GameWeb ApplicationBack-End DevelopmentFull-Stack DevelopmentFront-End DevelopmentJavaScriptCSS 3HTML5Web Development - $18 hourly
- 0.0/5
- (0 jobs)
I am a Junior Developer with a focus on React.js and Flutter, passionate about creating responsive web and mobile applications. Currently, I work on various systems for a university, including financial, student, and academic management solutions. My key responsibilities include: Developing and maintaining web systems using React.js, Node.js, and SQL. Managing and updating the university's Moodle platform for E-learning. Building custom Flutter mobile apps, such as a fitness app for the university. I’m committed to delivering high-quality, reliable solutions and am always eager to learn and grow in a dynamic environment.
Android App Development
NestJSMoodlePandaDocNode.jsLinuxReactApp DevelopmentWeb DevelopmentWeb Application - $75 hourly
- 0.0/5
- (0 jobs)
I'm a beginner developer building websites and apps for small and medium-sized businesses. Can i help?
Android App Development
iOS DevelopmentSpecificationsConstruction Document PreparationMobile GameApp DevelopmentSmartphoneWeb Application - $45 hourly
- 0.0/5
- (0 jobs)
Sou Alex, desenvolvedor multplataforma (Android, iOS e desktop). Levo o meu trabalho e a qualidade das minhas entregas a sério!
Android App Development
Mobile AppiOS DevelopmentArtificial IntelligenceApp DevelopmentDesktop Application - $25 hourly
- 0.0/5
- (0 jobs)
I am a software engineer, cybersecurity specialist, and cloud architect with over 15 years of experience in full-stack development, penetration testing, and secure system design. My expertise spans multiple programming languages, including Rust, Go, C, C++, Python, PHP, and JavaScript, along with deep knowledge of cloud platforms like AWS and Azure. What I Do Best ✅ Full-Stack Development – Building scalable web and mobile applications using Laravel, React, Vue.js, and Node.js. ✅ Cybersecurity & Ethical Hacking – Performing penetration testing, vulnerability assessments, and participating in bug bounty programs. ✅ Cloud Computing & DevOps – Architecting and automating cloud environments with Docker, Kubernetes, and CI/CD pipelines. ✅ Software Architecture & Secure Coding – Designing robust, high-performance systems with a strong focus on security and compliance. ✅ Reverse Engineering & Low-Level Programming – Analyzing and securing applications by understanding their internals. Recognitions & Achievements 🏆 Certified in AWS, Azure, and Ethical Hacking – Ensuring expertise in cloud security, infrastructure automation, and penetration testing. 🏆 Recognized in Bug Bounty Programs – Reported critical vulnerabilities and contributed to security research. 🏆 Open-Source Contributor – Developing security tools and frameworks used by the ethical hacking community. 🏆 Industry-Leading Developer – Built ERP systems, financial platforms, and cybersecurity solutions for enterprises worldwide. Passionate about technology, security, and continuous learning, I am always looking for new challenges and opportunities to innovate.
Android App Development
RustGolangAWS ApplicationProduct DevelopmentiOS DevelopmentWeb ApplicationEcommerceWeb DevelopmentJavaScriptLaravelPHPPythonApp DevelopmentEcommerce Website - $10 hourly
- 0.0/5
- (0 jobs)
Hello! I’m a 7th-semester Computer Engineering student at the Instituto Militar de Engenharia with hands-on experience in mobile and web development. I build clean, maintainable applications and back-ends, always delivering on time. Here’s what I can offer: Developed an Android catalog app in Android Studio with a custom Spring Boot (Java) backend Built a React Native inventory & order management system for restaurants, integrated with a Java web service Currently creating a cross-platform pet adoption app in React Native plus a companion React.js web front-end Proficient in Java, Spring Boot, JavaScript, React Native; working knowledge of SQL Rapid learner, disciplined, and deadline-driven Intermediate English; available 1–2 hours/day, Monday–Friday Pursuing a Cyber Security certification (DESEC Security) Let’s connect and discuss how I can help bring your next mobile or web project to life!
Android App Development
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