
About the role
We are seeking a highly skilled and experienced Senior Front-End Performance Engineer to join our dynamic and innovative development team. The ideal candidate is not only a proficient UI developer but also possesses a deep understanding of performance optimization techniques for web applications. You will be responsible for enhancing the performance, scalability, and user experience of our high-traffic and complex applications. As a Senior Front-End Performance Engineer, you will play a key role in leading a team, collaborating with cross-functional groups, and creatively solving challenging technical problems.
Responsibilities
- Lead and mentored a team of front-end engineers, fostering growth and collaboration.
- Be a critical figure in HighLevel's front-end guild leadership.
- Design and maintain the frontend infrastructure, Dev tools, and design system, ensuring scalability, performance, and security.
- Collaborate with cross-functional teams, including backend developers, product managers, and designers, to deliver seamless user experiences.
- Advocate for and implement best practices in front-end development, including code quality, testing, and deployment.
- Optimize build tools, CI/CD pipelines, and developer workflows for front-end projects.
- Stay up to date with the latest trends and technologies in web development, assessing their relevance to our projects.
- Provide architectural guidance and technical expertise, particularly in TypeScript and web frontend frameworks.
- Communicate complex technical concepts effectively to both technical and non-technical stakeholders.
Your Core Skills
- Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience).
- 5+ years of experience in front-end development with a strong focus on performance optimization.
- Proven track record of successfully optimizing large-scale and complex web applications.
- Proficiency in Vue.js, Webpack, TypeScript, Node.js, and MongoDB is a plus
- Deep understanding of browser rendering behavior, network performance, and caching strategies.
- Experience in leading or mentoring development teams.
- Creative problem-solving skills with the ability to tackle challenging technical issues.
- Strong communication and collaboration skills to work effectively in a cross-functional team environment.
- Familiarity with open-source software development and contributions.
- Up-to-date knowledge of industry trends, best practices, and emerging technologies in front-end development and performance optimization.

About HighLevel Inc.
About
About Us
HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 15 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million domain names.
Our People
With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home.
Our Impact
As of mid 2025, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen.
EEO Statement:
At HighLevel, we value diversity. In fact, we understand it makes our organisation stronger. We are committed to inclusive hiring/promotion practices that evaluate skill sets, abilities, and qualifications without regard to any characteristic unrelated to performing the job at the highest level. Our objective is to foster an environment where really talented employees from all walks of life can be their true and whole selves, cherished and welcomed for their differences while providing excellent service to our clients and learning from one another along the way! Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.
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Job Description:
We are looking for a React JS or React Native Developer to join our team.
In this role, you will be entrusted with developing JavaScript applications using React.js or React Native.
Apply now for the role of a React.js or React Native Developer at Codebuddy, which is opening doors for skilled, energetic developers looking for MERN Stack Developer Jobs.
If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.
Responsibilities:
- Developing existing programs by analyzing user requirements and identifying areas for modification by R&D followed by coding.
- Develop UI in HTML, CSS, and JS and integration with the backend using REST API.
- Translate storyboards and various use cases to create high-performing apps.
- Write, execute, and maintain clean, reusable, and scalable code.
- Integrate our various data storage solutions.
- Ensure responsiveness and boost the performance of our apps.
- Find and address the various bottlenecks and bug-fixes.
- Work on JavaScript/Typescript using React Native/React, Redux & Node.js.
- Help in code automatization.
What You Need To Apply(Technical Competency):
- Good knowledge of JavaScript, React, API.
- Knowledge of JavaScript Stack / Framework.
- Knowledge of Object-Oriented Programming
- Ability to document their code.
- Understanding accessibility and security compliance.
- Good knowledge of GIT
- Ability to multitask and work in a fast-paced environment.
- Self-motivated with the ability to work independently or jointly in a self-directed way.
- Demonstrated successful development of web or mobile-based applications
- Proven analytical and problem-solving capabilities
- Keen attention to detail
- Strong work ethic and desire to build industry-leading products
- Proactive instead of reactive
- Looking for ways to improve self and projects.
Interpersonal skills:
- Must be comfortable working in a team and independently when required.
- Must be disciplined, proactive and self-motivated.
- Needs to have problem-solving and analytical skills.
If you have it all in you, we are happy to have you with us!

Responsibilities
- Participate heavily in the brainstorming of UI/UX architecture and feature design
- Interface with external customers and key stakeholders to understand and document design requirements
- Work cross-functionally with Engineering, Data Science, Product, UX, BD, and Infrastructure teams
- Drive best coding practices across the company (i.e. documentation, code reviews, coding standards, etc)
- Perform security, legal, and license reviews of committed code
- Complete projects with little or no supervision from senior leadership
Required Qualifications
- Must have at least 2+ years experience in front-end web development with the following tools: HTML5, CSS, Webpack, Responsive web design, ReactJS (Components, Router, Redux, Flux, Chart Libraries i.e. Google Charts), Node.js, REST APIs, and other essential features)
- Built and deployed customer-facing services and products at scale
- Developed unit and integration tests
- Solid instruction-level understanding of Object Oriented design, data structures, and software engineering principles
- You have a strong background in natural language processing, statistical modeling, and/or machine learning
- Experience with open source projects in a startup environment
- Experience with large-scale distributed systems that have thousands of microservices and manages millions of transactions per day
- Worked on products where experimentation and data science are core to the development
- Experience with Python and API frameworks (Flask)
- BS, MS or equivalent

Job Overview
Fitelo is one of the fastest-growing companies. We all work together to serve our clients in the best possible way, and we like to have a lot of fun while we are at it. We are looking for an Angular Developer who will be responsible for building Single Page Applications (SPAs).
Work Experience: Minimum 2 years
Job Location: Mohali
Roles and Responsibilities:
- Design and implementation of the overall web architecture.
- Integration of REST APIs, Firebase.
- Strong problem-solving and analytical skills.
- Ensuring high performance on mobile and desktop.
Skills Required:
- Should have expert-level knowledge of HTML5, CSS3, JavaScript/jQuery, Bootstrap, and Angular Js.
- Should have strong debugging skills on Developer Tools of the browser and Working with Cross Browser UI
- Should have experience in Response / Adoptive Web Design for desktop, tablet, and mobile- Should have solid understanding and experience with Object-Oriented design and development
- Should have experience in publishing and consuming Services using REST API
- Should have knowledge on experience in JavaScript, Typescript, and Web services.
Industry Type - Wellness / Fitness / Sports / Beauty
Employment Type - Full Time/ Permanent
Education - Any Graduate or Postgraduate- Any specialization
Experience- Minimum 2 years
About Company
At FITELO, every day is a chance to flip the script. An invitation to take everything we know and re-invent it. Do it better. Never settle for good enough. Every day we get up, invent, adapt, improvise, find new ways to collaborate, and do the unexpected. We're a team of health care experts from doctors to dieticians to fitness coaches helping people to achieve their fitness goals. You have an immense opportunity to learn and grow under the mentorship of our team who have experience working in some of the best organizations like Price water house Coopers, Nissan, IIT, and IndusInd Bank, just to name a few.

• Graduate in Computer Science or any other engineering degree
• Very strong in Javascript & other framework like Angular.
• Knowledge of HTML/CSS
• Candidate need to work as a contributor in an agile team.
• Work with complete ownership & contribute on design & development of new features.
• Contribute on bug fixing & writing auto tests.
• Good verbal & written communication skills.

Why us?
We at Wow Labz are always striving to look for exciting problems to solve. Whether we’re creating new products or helping a small startup extend its reach, we build from our heart. We’re entrepreneurial and we love new ideas. Fun culture with a team that cares about your development and growth.
What are we looking for?
We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities:
- Developing new user-facing features using React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
Desired Skills and Experience:
- 4 – 6 years of core experience in React JS.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with Redux middleware such as thunk, saga etc.
- Familiarity with code versioning tools such as Git.
Nice to have
- Knowledge of isomorphic React is a plus


ReactJS and/or React-Native and Redux.
Experience working with NextJS.
Deep understanding of RESTful technologies, microservices, and API integration
Strong understanding of HTML and CSS.
Systemic exposure to VCSl (GIT), Issue tracking (JIRA), Knowledge based
(Confluence)
Exposure to AWS and DevOps culture
Experience with Writing unit tests using JEST
Exposure to Axios, Lodash and other common front-end development tools such as
Babel, Webpack, NPM, etc.
Ability to continuously structure and organize the code base, anticipate
technical-debt, and do peer code reviews.
Good to have: Domain knowledge in the BFSI tech stack.
Office Location: Goregaon Mumbai
Position Description: 2+ years of experience on development.
Primary Responsibilities:
- Translate designs and style guides provided by the UI/UX team into functional user interfaces, ensuring cross browser compatibility and performance
- Build efficient and reusable front-end system that drive complex web applications
- Identify, address performance bottleneck and communicate best practices for front end engineering
- Responsible for meeting expectations and deliverables on time and in high quality
- Collaborate with Product Designers, Product Managers, and Software Engineers to build/deliver next generation products
- Interact with other team members to incorporate their innovations and vice versa
- Rapid prototyping web user interfaces
Required Skills:
Mandatory: Passionate about sports, Problem solving, Team player, Target & Result oriented.
Functional: HTML5, CSS3, Bootstrap, Flexbox, SASS, LESS, Animation, Photoshop, Javascript & JQuery, Understanding of UI & UX, Cross Browser Compatibility and accessibility for Web & Mobile applications, GIT & JIRA.


Experience: 7 to 11 years
Responsibilities
- Architect web applications keeping in mind speed, performance, and maintainability
- Develop new user-facing features
- Build reusable code, components, and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Obsesses over web performance and speed
- Collaborate with other team members and stakeholders
- Plan, write and maintain testable code and components
- Write meaningful unit and e2e tests
- Implement CI/CD for front end web applications
Skills And Qualifications
- Proficient understanding of web markup, including HTML5, CSS3, and JS (ES6 preferred)
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of one or more javascript frameworks
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools
- Proficient understanding in any one testing frameworks
- Proficient understanding of website security and web memory management



