Senior Software Engineer - UI

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Skills you'll use

What you'll do

• DEVELOPMENT & IMPLEMENTATION
• Lead the development of complex frontend features using JavaScript, TypeScript, React, HTML, and CSS.
• Translate ambiguous product requirements into scalable and maintainable solutions.
• Own end-to-end delivery of features, from design through production rollout.
• Drive improvements in UI architecture, application performance, and user experience.
• Integrate frontend applications with backend APIs and services to deliver seamless user experiences.
• Collaborate on backend-for-frontend (BFF) and API-layer modifications to support frontend functionality.
• CODE QUALITY & BEST PRACTICES
• Write high-quality, maintainable, and well-tested code aligned with engineering standards.
• Lead code reviews and promote consistent application of coding best practices.

Who can apply

• 5 to 7 years of software engineering experience with a strong focus on frontend development.
• Expert proficiency in JavaScript, HTML, and CSS.
• Strong hands-on experience with React and TypeScript in production environments.
• Solid understanding of frontend architecture, state management, and component-driven development.
• Experience designing and building scalable, high-performance web applications.
• Strong understanding of browser internals, rendering behavior, and performance optimization.
• Experience with frontend testing strategies and frameworks such as Vitest, Jest, and React Testing Library.
• Proficiency with modern frontend tooling and build systems.
• Strong debugging and problem-solving skills across development and production environments.
• Experience working with REST APIs and distributed systems.

About Ontic

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