Core Web Vitals Specialist – Frontend Performance Engineering

Job Overview

Location
Delhi, NCT, India
Job Type
FULL_TIME

Additional Details

Job ID
20219
Job Views
77

Job Description

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Job Summary

GradeBuzz is seeking a highly skilled Core Web Vitals Specialist to lead frontend performance optimization across our digital platforms. This role focuses on enhancing user experience by improving loading performance, interactivity, and visual stability in line with Googles Core Web Vitals standards. You will collaborate closely with frontend developers, designers, and product teams to deliver fast, responsive, and scalable web applications, particularly within our EdTech ecosystem.

Key Responsibilities

Analyze, monitor, and improve Core Web Vitals metrics (LCP, CLS, INP/FID) across web applications.

Conduct performance audits using tools like Lighthouse, PageSpeed Insights, WebPageTest, and Chrome DevTools.

Optimize frontend assets including images, fonts, JavaScript, and CSS for faster load times.

Implement lazy loading, code splitting, and efficient caching strategies.

Collaborate with frontend engineers to refactor performance bottlenecks in React/Next.js applications.

Establish performance budgets and ensure adherence across projects.

Continuously monitor real-user metrics (RUM) and synthetic testing data.

Work with DevOps teams to optimize CDN usage, server response times, and edge delivery.

Stay updated with evolving web performance standards and Google ranking factors.

Required Skills and Qualifications

Strong understanding of Core Web Vitals and web performance principles.

Proficiency in HTML, CSS, JavaScript, and modern frontend frameworks (React, Next.js).

Experience with performance profiling tools and debugging techniques.

Knowledge of browser rendering processes, critical rendering path, and resource prioritization.

Familiarity with CDN configuration and caching mechanisms.

Understanding of SEO principles related to page speed and performance.

Strong analytical and problem-solving skills.

Experience

3–6 years of experience in frontend development or performance engineering.

Proven track record of improving web performance metrics in production environments.

Experience working on high-traffic websites or scalable web platforms is preferred.

Prior experience in EdTech or SaaS environments is a plus.

Working Hours

Full-time position

Flexible working hours with overlap for team collaboration

Remote or hybrid work model depending on project requirements

Knowledge, Skills, and Abilities

Deep understanding of web performance optimization strategies

Ability to interpret performance data and translate insights into actionable improvements

Strong collaboration and communication skills

Detail-oriented with a focus on delivering measurable outcomes

Ability to work in fast-paced, agile development environments

Continuous learning mindset to keep up with industry trends

Benefits

Competitive salary package

Flexible work environment (remote-friendly)

Health and wellness benefits

Learning and development opportunities

Access to cutting-edge tools and technologies

Performance-based incentives

Collaborative and innovative work culture

Why Join GradeBuzz

At GradeBuzz, we are transforming the EdTech space with high-performance, user-centric digital experiences. You will have the opportunity to work on impactful projects that reach thousands of learners, while collaborating with a passionate and forward-thinking team. We value innovation, speed, and quality—making this the perfect environment for a performance-driven engineer to thrive.

How to Apply

Interested candidates can apply by submitting their updated resume along with a portfolio or case studies demonstrating web performance improvements. Include details of tools used, metrics achieved, and impact delivered.

Send your application to the official GradeBuzz careers portal or recruitment email with the subject line: Application – Core Web Vitals Specialist

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