Senior Frontend Developer

We are seeking a skilled Senior UI Developer to join our dynamic team. The ideal candidate will have extensive experience in designing and developing user-friendly, visually appealing, and responsive web interfaces. You will work closely with UX designers, backend developers, and product managers to translate design concepts into functional UI components while ensuring high performance, scalability, and accessibility.

Key Responsibilities:

Design and develop scalable, responsive, and performant user interface components.

Define and enforce UI coding standards, best practices, and guidelines.

Collaborate with UX designers to translate wireframes and prototypes into high-quality code.

Work closely with product managers to understand requirements and translate them into technical solutions.

Mentor and coach UI developers, providing guidance and support on technical challenges.

Conduct code reviews to ensure code quality, performance, and adherence to design principles.

Stay updated with the latest UI trends, technologies, and best practices.

Drive innovation and continuous improvement within the UI development process.

Required Skills and Qualifications:

Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent work experience).

Proven experience (>8 years) as a UI developer with expertise in HTML5, CSS3, JavaScript/TypeScript

Proven experience in front-end frameworks React (must), Angular(good to have), Vue.js(good to have).

Solid understanding of responsive web design, accessibility, and cross-browser compatibility.

Strong problem-solving skills and ability to troubleshoot complex issues.

Excellent communication skills with the ability to collaborate effectively with cross-functional teams.

Experience with version control systems (e.g., Git) and CI/CD pipelines.

Experience with UI testing frameworks and tools (e.g., Jest, Cypress) is a plus.

Knowledge of UX design principles and familiarity with UX design tools (e.g., Sketch, Adobe XD) is desirable.

Ability to prioritize and manage multiple tasks in a fast-paced environment. Experience building a UI for multi-tenant SaaS platform. Experience building UI with user level customization, feature flags Experience optimizing for performance and faster Time To Frist Byte and streaming.

We are looking for a Senior UI Developer who is expert in React and good to have other frameworks like Angular etc (but not a must) and who can guide the rest of the UI team and interface with cross functional teams

Job Types: Full-time, Permanent

Job Title: React Lead Developer

Location: Airoli, Mumbai

Work Mode: Work from Office (WFO) – Full-time

About the Role:

We are seeking a highly skilled and experienced React Lead Developer to join our growing team in Airoli, Mumbai. The ideal candidate will lead front-end development efforts, mentor developers, collaborate closely with cross-functional teams, and play a key role in delivering scalable, high-performance web applications.

Key Responsibilities:

• Lead the design and development of responsive web applications using React.js
• Collaborate with UX/UI designers, product managers, and backend teams to deliver high-quality products
• Write clean, maintainable, and well-documented code
• Optimize applications for performance and scalability
• Conduct code reviews and ensure coding best practices are followed
• Mentor and guide junior developers in the team
• Participate in architectural discussions and contribute to tech strategy
• Keep up with emerging trends and technologies in frontend development

Required Skills & Experience:

• 6+ years of experience in frontend development, with at least 3 years in React.js
• Strong proficiency in JavaScript (ES6+), HTML5, CSS3, Redux, and REST APIs
• Experience with React Hooks, Context API, and component-based architecture
• Familiarity with Webpack, Babel, and modern build tools
• Experience with version control tools like Git
• Exposure to Agile methodologies and CI/CD pipelines
• Strong problem-solving and debugging skills
• Excellent communication and leadership qualities

Nice to Have:

• Experience with TypeScript, Next.js, or React Native
• Exposure to cloud platforms (AWS/Azure)
• Familiarity with testing frameworks (Jest, Cypress, etc.)

Education:

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field

We are seeking a highly experienced and skilled React/Next.js developer to join our team. The ideal candidate will have a strong track record of building and maintaining web applications using React and Next.js, as well as a strong understanding of front-end development. 

Responsibilities: 

• Develop and maintain web applications using React and Next.js 
• Write clean, maintainable, and efficient code 
• Collaborate with the design team to implement visually appealing and user-friendly interfaces 
• Work with the back-end team to integrate with APIs and other server-side functionality 

• Troubleshoot and debug issues as they arise 
• Write and maintain comprehensive documentation 

Requirements: 

• Experience with Tailwind CSS to create custom, responsive user interfaces 
• Experience with CSS-in-JS libraries 

• Experience with Git, npm, and webpack 
• Familiarity with RESTful APIs and GraphQL 
• Strong debugging and troubleshooting skills 
• Ability to work well in a team environment and communicate effectively with other developers and designers. 

Preferred: 

• Experience optimizing performance and scalability of web applications 
• Familiarity with testing frameworks such as Jest 
• Experience with deploying and maintaining web applications 
• Experience with TypeScript 
• Familiarity with other JavaScript libraries and frameworks such as Redux, GraphQL, and Apollo, react-query

Position Summary


Clarista.io turns current enterprise data silos into a ‘Live Data Network’, easy to use, always available, with flexibility to create any analytics. Clarista is designed for both business and technical users, hence the user interface plays a pivotal role in ensuring performance with large datasets and a superior user experience.

What You'll Do


You will be part of Clarista’s UI engineering team. You will work in our cloud native environment and perform following activities to support core product development and client specific projects:

• You will build & support responsive web user interfaces by using ReactJS
• You will ensure usability of the interfaces and workflows for end users
• You will integrate user interfaces with data and other interfaces through APIs
• You will collaborate with cloud and data engineering teams to enable end-to-end functionality
• You will partner with other team members in understanding the functional / non-functional business requirements, and translate them into software development tasks
• You will follow the software development best practices in ensuring that the code architecture and quality of code written by you is of high standard, as expected from an enterprise software
• You will be a proactive contributor to team and project discussions

 Who you are


• Strong education track record 
• Bachelors or an advanced degree in Computer Science or a related engineering discipline from Indian Institute of Technology or equivalent premium institute.
• 2-3 years of experience in UI Development using ReactJS
• An ideal candidate will be responsible to produce high-quality solutions; bringing a deep understanding of modern HTML, JavaScript, and CSS, and the software development life cycle and a strong ability to execute and implement standard software architecture patterns.
• Expert knowledge of JavaScript to design optimized and modular components that will be used across platforms.
• Proficient with ReactJS, Redux, Service Workers, Optimized coding practices, Progressive Web Apps (PWA), Context API, System design, Web concepts, Server-Side Rendering (SSR), lazy loading.
• Should have experience working with any of the chart’s library like charts.js, Highcharts.js, etc.
• Should know how to write modular and optimized code.
• Should have good knowledge around error handling.
• Fair understanding of responsive design and cross-browser compatibility issues.
• Experience versioning control systems such as GIT
• Strong problem solving and communication skills.
• Self-starter, continuous learner.

Good to have some exposure to

• Start-up experience is highly preferred
• Exposure to micro front ends.
• Agile software development methodologies.
• Working in multi-functional, multi-location teams

What You'll Love About Us – Do ask us about these!

• Be an integral part of the founding team. You will work directly with the founder
• Work Life Balance. You can't do a good job if your job is all you do!
• Prepare for the Future. Academy – we are all learners; we are all teachers!
• Diversity & Inclusion. HeForShe!
• Internal Mobility. Grow with us!
• Business knowledge of multiple sectors

Who we are

Jivox is transforming the way the world experiences digital marketing. We connect brands with their audiences in the most personalized way: using big data, AI/machine learning, Dynamic Creative Optimization (DCO), customer journey optimization, and identity technologies to deliver omni-channel precision marketing.

Recognized as a leader in creative advertising technologies by Forrester Research, Jivox delivers 1:1 messaging throughout the customer journey, seamlessly linking paid and owned media. Our portfolio of global clients includes the likes of Marriott, Mazda, Unilever, Nestle, IBM, Vodafone, and Heineken.

A Powerful Dynamic Creative Personalization platform serves millions of ad impressions a day and evaluates 30 billion+ rules / day. Our proprietary machine learning technology, powers personalization in real-time, creates personalized experiences across all channels including display, video, native and social.

Experience: 2 to 5 years of experience

Relevant experience in Javascript: Min 1 year

Must Have

• Hands-on in HTML5 and CSS3 and JavaScript
• Knowledge of jQuery, GreenSock, JSON and XML
• Good to have cross-browser / Cross-platform compatibility knowledge.
• Unit testing skills
• Debugging skills
• Know how to slice and dice images using Photoshop
• Should able to write the code using the mentioned technologies and should be able to debug over multiple OS across browsers

Good to Have

• Experience in PHP, MySQL
• Knowledge of Adobe Animate (Canvas)
• Knowledge of Adobe Edge
• Knowledge of Google Web Designer (GWD)
• Knowledge in Digital Marketing

Soft Skills requirement:

• Excellent and effective communication skills.
• Good interpersonal skills.
• Be flexible and approachable at all times.

Education: Bachelors degree in Engineering or equivalent experience within the field.

Must Have

Degree in Computer Science or related field.
3 - 4 years’ experience in Angular or React.
Expertise in responsive and adaptive front end design and development. Proficiency in HTML, CSS, JavaScript, and jQuery.
Experience is RESTful web services.
Understanding of key design principles.
Experience in version control using Git, CI-CD principles.
Good problem-solving skills.
Excellent verbal communication skills.
Good interpersonal skills.

Nice to have

Experience with graphic design applications such as Adobe Illustrator. Understanding of SEO principles.
Knowledge of Cloud technologies like AWS or Azure. 

• The UI developer will produce robust front end for advanced financial banking and trading applications connecting with server side using micro services
• 3+ years of relevant experience in front end development using React.JS.
• Strong knowledge of Web development technologies, including HTML5, CSS3 etc
• Should have a knowledge of java script libraries like ag-grid, datagrid, chart js, D3 js etc
• Strong experience in developing UI applications showing large amount of data in grid format.
• Must have good experience of testing frameworks like mocha/chai, jasmine etc. for React JS.
• Excellent knowledge of Java and spring, with experience of use in a professional environment