Senior Front-End Developer, SEO

Title: Senior Front-End Developer (SEO)

Location: India

Job Description:

We are Brainlabs, the High-Performance media agency, on a mission to become the world's biggest and best independent media agency. We plan and buy media that delivers profitable and sustained business impact. And what's our formula? Superteams of Brainlabbers, fueled by data and enabled by technology.

Brainlabs has always been a culture-first company. In fact, from the very beginnings of the agency a set of shared principles, philosophies and values was documented in The Brainlabs Handbook, helping us create our unique culture.

As with everything here we always seek to adapt and improve so The Brainlabs Handbook has been fine-tuned to become The Brainlabs Culture Code.

This Culture Code consists of 12 codes that talk to what it means to be a Brainlabber. It's a joint commitment to continuous development and creating a company that we can all be proud of, where Brainlabbers can turn up to do great work, make great friends and win together.

You can read The Brainlabs Culture Code in full here.

Job title: Senior Front-End Developer (SEO)

Team: CRO

 

Location: India (Adaptive Working)

 

Shift: 2pm - 11pm IST

 

Job Description: Senior Front-End Developer with Focus on Technical SEO and CRO

 

Position Overview:
We are seeking a skilled and versatile Senior Front-End Developer with at least 5 years of experience and a strong background in technical SEO and Conversion Rate Optimization (CRO) to join our innovative and fast-paced team. This role is an exciting opportunity to collaborate with renowned clients such as Consumer Cellular and F5. You will bring data-driven experiments to life, create exceptional user experiences, and optimize website performance for both search engines and end-users.

 

Key Responsibilities:

 

Leadership & Strategy:

 

• Collaborate with cross-functional teams, including designers, strategists, analysts, and clients, to define project requirements and best practices.


• Advocate for modern development standards, ensuring scalability, maintainability, and performance in all projects.

 

Front-End Development & Technical SEO:

 

• Develop, optimize, and maintain responsive, user-centric web interfaces using modern front-end frameworks and CMS platforms.


• Perform advanced site audits using SEO tools (e.g., Google Search Console, Lighthouse, Screaming Frog) and recommend actionable improvements to improve website performance and rankings..


• Ensure all websites adhere to technical SEO best practices, including site architecture, structured data, mobile responsiveness, and optimized core web vitals.


• Implement web accessibility standards (WCAG) and ensure cross-browser compatibility.

 

Conversion Rate Optimization (CRO):

 

• Build and implement A/B tests and multivariate experiments on live websites using platforms like Optimizely, VWO, Adobe Target, or Monetate.


• Collaborate with analysts, researchers, strategists, and UX designers to create and test data-driven user experiences.


• Consult with internal and external stakeholders to ensure experiments are well-engineered and aligned with business goals.


• Monitor and analyze test results with the analytics team to inform iterative improvements and client reporting.

 

Collaboration & Problem Solving:

 

• Work closely with designers, back-end developers, and clients to develop solutions that balance creativity, usability, and performance.


• Reverse-engineer websites to solve challenges and implement enhancements.


• Share knowledge and contribute to the development of internal processes and best practices.

 

Who We're Looking For:
We're looking for a Front-End Developer who thrives on solving problems, writing clean and scalable code, and creating seamless user experiences. You should be comfortable in a fast-paced agency environment, engaging with diverse teams and high-profile clients.

 

Required Skills and Qualifications:

 

• A minimum of 5 years of professional experience as a Front-End Developer.


• Expertise in HTML5, CSS3, ES6+ JavaScript, and modern front-end frameworks (e.g., React, Angular, Vue.js).


• In-depth knowledge of technical SEO principles, structured data, canonicalization, and crawl optimization.


• Familiarity with SEO tools such as Google Analytics, Search Console, Ahrefs, SEMrush, and Screaming Frog.


• Hands-on experience with A/B testing platforms and CRO strategies (e.g., Optimizely, VWO, Adobe Target).


• Proficiency in CMS platforms (e.g., WordPress, Drupal, Shopify) and headless CMS architectures.


• Strong understanding of UX/UI principles and familiarity with tools like Figma.


• Knowledge of web performance optimization techniques, including image compression, lazy loading, and minimizing critical rendering paths.


• Advanced skills in version control systems (e.g., Git) and web performance optimization techniques.


• Effective communication skills, with the ability to explain technical concepts to non-technical stakeholders.


• Willingness to experiment, forecast and measure impacts.


• Strong writing ability to document experiments, results, and create case studies.

 

Preferred Qualifications:

 

• Experience with modern frameworks (e.g., React, Vue.js).


• Proficiency with CSS preprocessors (e.g., SASS, LESS).


• Familiarity with Node.js, Gulp/Webpack, AJAX, JSON, and cookies/local storage.


• Agency experience with client-facing responsibilities.


• Knowledge of image optimization and manipulation best practices.


• Knowledge of server-side rendering (SSR) and static site generation (SSG) frameworks.


• Strong client-facing skills with the ability to present technical concepts clearly.

 

What We Offer:

 

• Competitive salary and benefits package.


• A collaborative and inclusive work environment.


• Opportunities to work with world-class clients on cutting-edge projects.


• Flexible work arrangements, including remote options.


• Support for professional development and skill-building initiatives.

 

How to Succeed in This Role:
You'll be evaluated based on your ability to:

 

• Demonstrate curiosity and a commitment to staying current with web technologies and best practices.


• Solve client challenges effectively, whether they are technical or procedural.


• Collaborate, share knowledge, and contribute to shaping internal workflows and processes.

 

 

What happens next?

We know searching for a job is tough and that you want to find the best career and employer for you. We also want to ensure that this position is the best fit for both you and us. Therefore, you will participate in a comprehensive interview process that includes skills interviews with our team. The goal of this process is to allow you to get to know us as we learn more about you.

Brainlabs actively seeks and encourages applications from candidates with diverse backgrounds and identities. We are proud to be an equal opportunity workplace: we are committed to equal opportunity for all applicants and employees regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion, or belief, and marriage and civil partnerships. If you have a disability or special need that requires accommodation during the application process, please let us know!

Please note that we will never ask you to transfer cash or make any other payment to us in order to apply for a role or to work for Brainlabs. Any such asks are fraudulent and should be reported to the appropriate authorities in your area.