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Build and maintain Python-based web solutions while integrating and leveraging the company’s AI tools to enhance development workflows and product features.
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.
Build and maintain web and mobile front-end applications using React, Next.js, and TypeScript, mentor junior developers, and collaborate with cross-functional teams.
Build responsive Angular front-ends and Python/Java microservices for a global consultancy’s AI-driven platform, integrating internal systems and cloud services.
Build and optimize data-driven web applications using JavaScript frameworks like React or Angular, consuming RESTful APIs to deliver high-performance front-end experiences.
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.
Build AI-driven backend systems in Python, designing agentic workflows and multi-agent systems while integrating data and APIs for generative AI solutions.
Builds and optimizes data-driven web apps using JavaScript frameworks like React or Angular, consuming RESTful APIs to deliver high-performance user experiences.
Build and lead the frontend architecture for an AI-powered legal-tech platform, focusing on responsive, real-time interfaces with React/TypeScript and Tailwind CSS.
Build and maintain .NET Core REST APIs and React/TypeScript front-end apps while providing production support and incident resolution for industrial systems.
Builds a 3D interior-decor visualization platform using Python/Django backends, TypeScript/Next.js/React frontends, and Three.js for immersive previews.
Build and maintain web apps with Python/Django backend and React frontend, using PostgreSQL, REST APIs, Docker, and Git.
Build and maintain scalable Python-based backend services, ETL pipelines, and scrapers using Django/FastAPI, PostgreSQL, AWS, and Redis to power data-driven business decisioning solutions.
Build and maintain React applications, fix bugs, and collaborate with cross-functional teams to deliver front-end solutions for global clients.
Build and evolve enterprise-grade software using Java and React, designing REST APIs, microservices, and integrating legacy systems while leveraging Azure or OpenShift.
Build and optimize data-driven web apps using JavaScript frameworks like React or Angular, consuming RESTful APIs while ensuring high performance and scalability.
Build and own the full-stack web and mobile frontend for a bioinformatics observability platform using Next.js, TypeScript, and AWS, integrating real-time dashboards and data visualizations.
Maintains and supports Python-based business applications, troubleshoots issues, and works with SQL to analyze data and improve processes in a fintech setting.
Build and maintain Android apps for a financial-sector client using Java/Kotlin, Jetpack Compose, and CI/CD pipelines.
Build and maintain a global B2B commerce Android app in Kotlin using modern architectures like MVVM/MVI and Jetpack Compose, ensuring scalability and testability.
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