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Locus.sh

Posted 23 Sep 2026

SDE III (Frontend)

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Employment
Full time
Team
Software Engineering
Posted
23 Sep 2026

About the role

Responsibilities:

  • Building highly interactive dashboards used by enterprises to manage thousands of deliveries in real time.
  • Designing scalable frontend systems capable of visualizing large-scale logistics and map-based interfaces.
  • Improving performance for complex enterprise workflows handling large datasets and real-time updates.
  • Creating reusable design systems and UI frameworks across multiple products.
  • Ensuring seamless user experiences across global markets, languages, and devices.
  • Architect and build scalable frontend systems for enterprise logistics platforms.
  • Develop high-quality React applications with a strong focus on performance, maintainability, and scalability.
  • Design and maintain reusable UI components and design systems.
  • Drive frontend architecture decisions and ensure long-term maintainability.
  • Collaborate with product managers, designers, backend engineers, and QA teams.
  • Optimize applications for performance, accessibility, responsiveness, and internationalization.
  • Implement secure frontend practices preventing vulnerabilities such as XSS and CSRF.
  • Improve debugging, observability, and frontend monitoring for production systems.
  • Participate in design reviews, code reviews, and architecture discussions.
  • Mentor junior engineers and help raise frontend engineering standards.


Requirements:

  • 6-10 years of experience building modern web applications.
  • Strong expertise in JavaScript (ES6+) and ReactJS.
  • Experience building applications with TypeScript.
  • Strong knowledge of HTML, CSS, and responsive design principles.
  • Experience building scalable frontend architectures and component systems.
  • Experience with state management solutions.
  • Strong understanding of frontend performance optimization.
  • Experience working with REST APIs.
  • Familiarity with testing frameworks such as Jest, Cypress, or React Testing Library.
  • Strong understanding of software design and architecture principles.


Our Frontend Stack:

  • ReactJS + TypeScript.
  • Modern JavaScript (ES6+).
  • State Management: Redux / React Query.
  • Testing: Jest, React Testing Library, Cypress.
  • Build Tools: Webpack / Vite.
  • REST APIs and modern data-fetching patterns.
  • UI libraries and scalable design systems.

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