Senior UI Engineer | React, Design Systems

We are seeking a Senior Software Engineer to architect and scale our platform-level agentic AI systems. This role combines full-stack engineering excellence with deep expertise in LLM-powered experiences. You’ll design, implement, and optimize core components across frontend, backend, and model integrations, while driving engineering direction in close...

Why Design Everest? A true market leader, with top-tier venture capital backing, Design Everest is a next-generation tech-managed marketplace of Architecture, Engineering, and pre-construction services in the traditionally antiquated construction industry. Our proprietary software 'Design Hub' allows us to start working on a home remodeling or construction...

**Why Design Everest?** - A true market leader, with top-tier venture capital backing, Design Everest is a next-generation tech-managed marketplace of Architecture, Engineering, and pre-construction services in the traditionally antiquated construction industry. Our proprietary software 'Design Hub' allows us to start working on a home remodeling or...

The Sandbox is looking to incorporate an experienced Sr. UI Engineer to work on our blockchain based gaming platform. As a UI Engineer, you’ll help with the implementation of new core UI systems. You’ll also maintain, improve and optimize existing systems, making sure they’re network compatible and artists friendly. You’ll collaborate with the art...

About Chalice Chalice AI builds platform-independent, custom advertising AI that helps brands optimize for real business outcomes (not just vanity metrics). The company creates bespoke ML models for each client and integrates with existing ad‑buying platforms to deliver outcome‑focused optimization, advanced audience building, and contextual bidding...

An established industry player is seeking a Senior UI Developer to enhance their team. This role involves designing and developing cutting-edge microservices using React, Typescript, and GraphQL. You'll work closely with a custom component library and collaborate with various teams to create robust solutions. The company values innovation and teamwork,...

Nimble Giant Entertainment is looking for a full-time Senior UI Engineer In this role, you will be responsible for designing, implementing, and maintaining high-quality user interface systems for our games using Unreal Engine and UMG. You will work closely with Designers, Artists, and Engineers to ensure seamless integration of UI features into the overall...

About ChaliceChalice AI builds platform-independent, custom advertising AI that helps brands optimize for real business outcomes (not just vanity metrics). The company creates bespoke ML models for each client and integrates with existing ad-buying platforms to deliver outcome-focused optimization, advanced audience building, and contextual bidding...

A leading game development studio in Buenos Aires is seeking a full-time Senior UI Engineer. This role involves designing, implementing, and maintaining high-quality UI systems for games using Unreal Engine. The candidate must possess strong technical skills, at least 4 years of experience in software engineering, and a user-centered approach. Excellent...

Senior Software Engineer - Front End page is loaded## Senior Software Engineer - Front Endlocations: Buenos Aires (Butty)time type: Full timeposted on: Posted Todayjob requisition id: R- **Software Engineer – UI (with Optimizely Knowledge)**We're looking for a highly skilled **Front-End Developer** with strong experience in **Angular, Next.js**, and modern...