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Senior Fullstack Developer (React / Java / Node), Brazil
Build and maintain enterprise-scale web apps and microservices using React, Java 21, Spring Boot, and MySQL for a global AI-focused tech consultancy.
Contract: Senior/Lead Frontend Engineer
Senior/Lead Frontend Engineer builds and maintains high-performance web apps using Vue.js/React/Angular, integrates with backends, and ensures scalability and accessibility for Upwork’s global work marketplace.
Senior Fullstack Developer (React / Java / Node), Brazil
Build enterprise-scale web apps and microservices using React, Java 21, and Spring Boot, ensuring performance, security, and user-centric design in an Agile environment.
[Job-27730] Mid-level Android Developer, Campinas, Brazil (on-site)
Build and maintain Android apps for a financial-sector client using Java/Kotlin, Jetpack Compose, and CI/CD pipelines.
[Job-30445] Senior Android Developer, Campinas, Brazil
Build and maintain Android apps for a U.S. investment client using Kotlin, Jetpack Compose, and Clean Architecture, shipping features in agile sprints.
React Native Developer - Remote Work
Build and maintain React Native mobile apps, working with cross-functional teams to deliver scalable, tested software using modern cloud and database technologies.
Python + React Fullstack Developer - Remote Work
Build and maintain Python backend services and React frontends, integrate APIs, and deploy scalable apps on AWS for global clients.
Senior Android Developer, Campinas, On
Build and maintain Android apps for a major U.S. investment client using Java/Kotlin, MVVM/Clean Architecture, and CI/CD pipelines.
[Job-27730] Vaga Afirmativa para mulheres - Mid-level Android Developer, Campinas, Brazil (on-site)
Mid-level Android Developer builds and maintains Kotlin/Java apps for a financial-sector client using Jetpack Compose, MVVM, and CI/CD pipelines.
Amazon Software Development Engineer (Java & AWS), Ring
Builds cloud services and apps in Java and AWS that power Ring’s home-security devices, focusing on the critical setup experience for millions of users.
Backend Developer
Builds and maintains Node.js/Express APIs and backend services for web and mobile apps, using MySQL, AWS, and third-party integrations.
Software Development Engineer (Java & AWS), Ring
Build cloud services and apps in Java/AWS that power Ring’s home-security devices, focusing on the critical setup experience for millions of users.
Senior Java Developer
Senior Java Developer builds, tests, and maintains mission-critical government systems using Java 8, Spring, and Web APIs, while collaborating with DevOps on Docker, Ansible, and Linux.
Fullstack Software Engineer III - Java
Build and maintain secure, scalable Java-based applications for JPMorganChase’s document services, using Spring, REST APIs, and cloud-native tools while collaborating in an agile team.
Software Engineer II - Java, AWS
Builds and maintains Java/Spring-based payment systems on AWS, using Kafka, NoSQL, and CI/CD while integrating enterprise AI coding tools.
Java Developer - Desktop / Oracle / SQL / Backend / Unit testing
Builds and maintains backend services in Java for a global logistics platform, using Oracle/SQL and unit testing in an agile team.
Software Engineer - Java
Build and maintain Java-based software for the construction industry, writing clean code, testing, and migrating legacy systems to modern web tech.
Java Software Engineer III
Build and maintain secure, scalable Java systems for JPMorganChase’s banking platforms, integrating cloud and AI tools while improving code quality and system resilience.
Kotlin/JVM Software Engineer
Build and maintain insurance platforms using Kotlin/JVM backends, React frontends, and APIs, collaborating on end-to-end delivery and system design.