São Paulo, São Paulo Remote (Global) Employment

IT Labs is hiring a Senior Frontend Engineer

About the Role

IT Labs is looking for a Senior Frontend Engineer to help build an AI-driven simulation software stack for engineering and manufacturing in advanced industries such as Aerospace & Defense, Materials, Energy, Semiconductors, and Automotive. You will play a key role in developing a high-fidelity, multi-physics simulation platform powered by AI inference.

What You'll Do

  • Build and maintain a frontend that supports complex ML workflows—from 3D visualizations to seamless API integrations
  • Ensure the interface is visually appealing and high-performing using advanced caching strategies, performance monitoring, and accessibility best practices
  • Leverage modern tools and architectures to integrate cutting-edge features such as server-side rendering (SSR) and AI-driven enhancements
  • Work autonomously within a small, agile team, contribute ideas and experiment with innovative approaches

What We're Looking For

  • 6+ years of experience in front-end software engineering
  • Proficiency with React, TypeScript, and state management (Recoil, Redux, MobX)
  • Experience with AWS
  • Knowledge of performance optimization techniques including code splitting, lazy loading, and React performance tools
  • Experience with REST, Long Polling, WebSocket, GraphQL, caching strategies, and data-heavy API interactions
  • Experience with responsive design, design systems, and prototyping (Figma, Excalidraw)
  • Experience with unit and integration testing (Jest) and end-to-end testing (Cypress)
  • Experience with CI/CD and developer tooling: NX, GitHub Actions, monorepos, pipelines, and micro-frontend architectures
  • Specific technical experience with Plotly, Echart, VTK, Three.js, WebGL, WebGPU, and WebAssembly
  • Experience working in customer-facing or delivery-oriented roles
  • Fluent English

Technical Stack

React, TypeScript, Recoil, Redux, MobX, AWS, REST, Long Polling, WebSocket, GraphQL, Figma, Excalidraw, Jest, Cypress, NX, GitHub Actions, monorepos, pipelines, micro-frontend architectures, Plotly, Echart, VTK, Three.js, WebGL, WebGPU, WebAssembly

Team & Environment

You will be part of a small team of Front-end Engineers working within a cross-functional team, collaborating closely to deliver impactful solutions.

Benefits & Compensation

  • 1-year contract (with possibility for extension)
  • Completely Remote
  • PTO

Compensation is paid in USD.

Work Mode

This is a completely remote role with global flexibility.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Required Skills
ReactTypeScriptRecoilReduxMobXAWSRESTWebSocketGraphQLLong Pollingstate managementperformance optimizationcode splittinglazy loadingcaching strategies ReactTypeScriptRecoilReduxMobXAWSRESTWebSocketGraphQLLong Pollingstate managementperformance optimizationcode splittinglazy loadingcaching strategies
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About company
IT Labs
An international software tech company, specializing in purpose and process-driven teams for high-performance, innovation, transformation, and efficiency.
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Job Details
Category frontend
Posted 23 days ago