Senior Frontend Engineer

Certa.ai

Certa is looking for a Senior Frontend Engineer to design and optimize enterprise-grade applications in React and TypeScript. Join our remote-first team and build scalable, high-quality software.

Posted 7/28/2026full-timeRemote • 🇮🇳 IndiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and building large-scale front-end applications using React and TypeScript, with a strong focus on performance optimization and automated testing. Proven ability to mentor engineers and collaborate effectively in an Agile environment.

Highest-signal resume keywords

React Application DevelopmentTypeScript ProficiencyAutomated Testing (Vitest, Cypress, Jest, Testing Library)Design System DevelopmentAgile Software Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Front-End Application DevelopmentType-Safe JavaScriptBundling (Vite)LintingTestingReleasingSemantic HTMLPerformance OptimizationCross-Browser CompatibilityResponsive Design

Soft Skills

MentoringCollaboration

Industry Keywords

Peak-Performance OrganizationTech Startup

Tech Stack

Tools & technologies

CypressJavaScriptJestReactTypeScript

About the role

Key responsibilities & impact

Design and build large-scale, enterprise-grade front-end applications in React and TypeScript
Build, scale, and maintain Certa's design system
Improve rendering and delivery performance across our front-end applications
Set up and refine frontend tooling (bundling, linting, testing, releasing)
Write automated tests to keep quality high
Mentor mid-level and junior engineers
Collaborate with product, design, and engineering in an Agile, remote environment

Requirements

What you’ll need

3+ years building large-scale front-end applications with React
3+ years with type-safe JavaScript (TypeScript)
Strong command of bundling (preferably Vite), linting, testing, and releasing
Automated testing (Vitest, Cypress, Jest, Testing Library)
Experience building and scaling a design system from scratch
Writing semantic HTML
Improving rendering and delivery performance for scalable, responsive, cross-browser apps
Mentoring mid-level and junior engineers
Working in Agile software development
Experience in a peak-performance organization (ideally a tech startup)

Benefits

Comp & perks

Top of market salary
49 days paid time off
PTO, full benefits, retirement and wellness plans.
Professional development support, remote workspace setup bonus.
Annual company offsites in exciting locations around the world