
Frontend Lead
at Next gen BI platform for data driven performance marketers
We are building a workspace for Marketing teams - Think Webflow for Marketing teams, Grafana for Marketing teams who operate on large data sets and need a clear intuitive interface to look at all their data.
Traditionally Marketing teams have always had to depend on a large BI team to provide them with the data they need to make decisions. Clarisights eliminates this by giving Marketing teams everything they need in one intuitive, collaborative reporting platform.
We work with large enterprise Marketing teams around the world like Delivery Hero - The world's largest food delivery co., HelloFresh the world's largest mealkits delivery co. etc.
Our platform is central to how business teams make decisions and you will work on the interface that these teams use. We are helping non technical business users get comfortable with data by giving them a platform they can use to drive.
What makes this role challenging? Think Google Docs, Slides and Sheets all combined in one platform. We have a collaborative text editor which is used by teams together and we built our table grid which is extremely powerful. Tables, being one of the heaviest and most used widgets we have, have records composed of metric data(averages, share percentages, comparison data), multiple creatives(images, videos, gifs), trends(charts inside each cell) and a lot more.
The huge amount of data points naturally increases the amount of DOM nodes and thus it becomes memory heavy and CPU intensive to run the app in the browser. One table can have 500 records that the users can scroll through at once. Now imagine having 10+ of such tables in one tab, and each report comprising of multiple tabs. And we also support features like drilldowns/breakdowns, column freezing, row freezing, in the tables all while ensuring a smooth user experience.
We decided to build it from scratch using React Virtualize since most table libraries did not give us the performance or features we need. We also extensively use charts to visualize data and as we are scaling, a lot of these components have to be rebuilt to handle the volume of data we process.
We are only getting started, we want to make our platform a lot more collaborative and immersive by giving teams ability to interact with charts by adding annotations and ability to tag team members and leave notes for them. This might seem a solved problem when you look at collaboration on Google Docs but it's an extremely tricky problem for us as we don't deal with static data the way you have it with Google Docs.
Unlike read only dashboards which do not allow edits after building, our platform is meant for collaboration within teams. Think of how shitty collaboration was for design teams before Figma.
What we are looking for?
We are looking for someone who obsesses over performance and is comfortable with profiling performance, can think of frontend architecture. We are also looking for a lead who can mentor the team on performance and scale.
While working with such complex interfaces, often times, performance and the tech becomes a bottleneck for the user experience we strive for. We are looking for someone who —
- Understands fundamentals of Application Design and has designed/architected applications from scratch.
- Has worked on large-scale applications, and setup/maintained its data pipelines (data flows from backend to frontend)
- Has architected efficient and reusable front-end systems that drive complex web applications
Preferable Qualifications
- 3+ years of JavaScript experience, including concepts like asynchronous programming, closures, types.
- HTML/CSS experience, including concepts like layout, specificity, cross browser compatibility, and accessibility
- Experience with browser APIs and optimizing frontend performance
- Previous experience with dashboard apps, charts framework, window virtualisation
- Has written Generators for project setup
- Comfortable with tech like Postgres, Docker, Rails
- Understands tooling like Webpack, Babel
Experience with React and Typescript is preferable but not necessary.
First 30 days, one will work on
- Understanding the data flow and familiarise oneself with the app components
- One feature/task like updating something that touches majority of the app — this is again aimed to get familiarity with the whole codebase in the quickest way
- Synchronising the data pipelines by adopting better serialisation protocols
- Creating avenues to improve app performance (by profiling and benchmarking)

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Wissen Technology is Hiring for React Developer
About Wissen Technology:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Job Summary:
We are seeking highly motivated React Developer
Experience: 8+ Years
Location: Pune/ Mumbai
Mode of Work: Full Time
Key Responsibilities:
• Should have 8+ years hands on experience in web technologies like JavaScript, HTML5 & CSS.
• Expert level knowledge of JavaScript including latest edition(s) of JavaScript (ES2023). Knowledge of typescript is a plus.
• Hands on experience with JavaScript frameworks like React 17 and above versions
• Good understanding of asynchronous request handling, partial page updates like Promises, RxJS
• Proficient in advanced CSS3, HTML5 and Bootstrap. Exposure to css-in-js libraries like styledjs or others is beneficial.
• Able to translate mockups in figma or illustrator to actual working components.
• Working experience on testing tool like karma/jasmine/enzyme.
• Basic understanding of nodejs is beneficial.
• Proficient understanding of code versioning tools, such as Git
• Excellent analytical/reasoning skills
• Good team player
• Excellent written and verbal communication skill
Software Engineer (Web/UI Engineer)
Please apply only if you satisfy work experience requirements Our Vision , we are building a first-of-its-kind, lifestyle health product for Women in India. We believe that the future of health and fitness is digital, and women will drive the digital fitness revolution in India. Existing digital health and fitness products are highly transactional and we see a huge opportunity to build a truly aspirational product that will inspire and empower millions of women to lead healthier lives. If you are passionate about building a product that blends together, technology, content, and community, we would love to talk to you. looking for results-oriented Engineers. An ideal candidate for us would be a passionate builder of great products/frameworks and someone who would thrive in a fast-paced environment and enjoy the challenge of complex business contexts that are typically being defined in real-time. In this role, you will be responsible for building world-class technology products and platforms that are at the forefront of the technology revolution in the Indian healthcare ecosystem. You are someone who insists on the highest standards for quality, maintainability, and performance. You will be working in a fast-paced and agile work environment delivering quality solutions that have an immediate business impact. Responsibilities ● Own the end-to-end development and launch of features on the web ● Participate in scoping, planning discussions with the designers, PMs, and Leads ● Conceptualize and develop prototypes quickly ● Develop and own launch plans ● Identify opportunities and implement solutions to improve the performance and the architecture of our web stack ● We will depend on this person to set-up/improve the fundamental architecture of our web apps and so it is highly desirable to have someone who has worked extensively on React codebases. Required Skills ● Solid understanding of HTML and CSS ● Strong proficiency in JavaScript ● Responsive Web pages ● React preferably with Typescript ● Has worked with the react ecosystem for eg, redux, react-query, react-router etc. ● At least 2 years of experience working in a consumer tech set-up (ecommerce, D2C) ● Work with Rest APIs Good-to-have Skills ● Next.js ● Knowledge of deployment and hosting react apps
Srijan Technologies is a 18-year-old technology services firm.
For a large part of its life, Srijan has specialised in building content management systems with expertise in PHP-based open-source CMS, specifically Drupal. In recent years Srijan has diversified into
- Data Engineering using NodeJS and Python,
- Data Science -- Analytics and Machine Learning and
- API Management using APIGEE.
Srijan is approx 400 people strong (including some Senior Consultants) Srijans development offices in India are located in New Delhi, Gurugram, Goa, Bangalore and Mumbai, Delhi, Gurgaon and Goa are the largest offices. In addition, a few developers & delivery leads are located in several countries globally -- USA (New York, Charlotte), Singapore, Philippines (Manila), Australia (Sydney, Brisbane, Melbourne), Germany (Berlin), Japan (Tokyo). In each of these countries, Srijan has a functional legal subsidiary.
Srijan works largely with enterprises or mid-large sized global firms and focuses on recurring business from these accounts, thereby bringing much-needed predictability of revenue for high-growth companies. It works with several top brands at the moment.
The firm is beginning to invest in startups and in joint research projects with top institutes. For instance, it recently partnered with IIT-Delhi to invest in an 18-month project for building a solution for Honey traceability using Blockchain.
The leadership team at Srijan has set itself an audacious goal of reaching $25 million in revenue (while maintaining healthy EBIDTA margins) in FY 2020 -- doubling our revenues. This requires significant technology and delivery leadership bandwidth to be created in the firm to ensure our high-quality standards are not compromised.
Each year Srijan donates 7% of its profits to Srijan Foundation Trust a registered non-profit which runs several projects including non-formal schools (directly or via partner organizations) and Indic civilizational projects such as #SrijanTalks.
Please visit company website for more information http://www.srijan.net/">www.srijan.net
Experience
We are looking for a highly skilled React Native Developer to collaborate with a team of developers to develop and maintain a Frontend Mobile application that will be launched on multiple platforms such as Hybrid Applications. You will be responsible for building native applications with a focus on front-end development. The ideal candidate is an advanced React Native Developer who can build dynamic, high performing, and responsive UI for our web applications.
Responsibilities
- Collaborate with a team of developers and designers to create a web application run on multiple
- Create reusable, effective, and scalable JavaScript code.
- Design the data and presentation layer of the web application’s front-end.
- Use additional JavaScript libraries such as Redux to manage the web application’s state, derive computed data from the state of the system, and make asynchronous API
- Translate the client’s technical requirements into
- Test and update web application so that it can be used on all web
Skills and Qualification
- English language
- 3+ years of professional experience in Native
- Highly proficient in rendering components with Native
- Highly proficient in JavaScript, modern JavaScript,
- Highly proficient in one or more libraries (e.g. Redux, React Router, etc) for state managing and routing in addition to React.
- Proficient in using Git as a control
- Knowledge of
- Involved in testing of
About the company
It has set up a benchmark in the Medical and Health industry with its Digital revolutionary changes. It had a huge impact on Countries Education & the Health sector, as it has taken an effort to uplift & Developing Digital support in India's Medical Education with the sword of Technologies. Our products are being Designed & Developed to benefit the Medical Aspirant as well as its Country's Health Education system. With its continuous effort, many Medical Institutions have been successfully adopting a Digitalised advanced way of Teaching & Learning. Its MedWhiz LMS is very Effective & Essential for Medical Aspirants.
Experience : 3-4 Years
Responsibilities
● Develop new user-facing features .
● Build reusable code and libraries for future use .
● Ensure the technical feasibility of UI/UX designs .
● Optimize application for maximum speed and scalability.
● Assure that all user input is validated before submitting to the back-end .
● Collaborate with other team members and stakeholders
Skills
● Proficient understanding of web markup, including HTML5, CSS3 .
● Proficient understanding of client-side scripting and JavaScript frameworks.
● Proficient understanding of Bootstrap to make the page responsive.
● Good understanding of advanced JavaScript libraries like React JS and Angular 2+
framework.
● Good understanding of asynchronous request handling, partial page updates, and AJAX .
● Basic knowledge of image authoring tools, to be able to crop, resize, or perform small
adjustments on an image. Familiarity with tools such Photoshop is a plus.
● Proficient understanding of cross-browser compatibility issues and ways to work around
them.
● Proficient understanding of code versioning tools, such as Git.
● Good understanding of SEO principles and ensuring that application will adhere to them.
● Proficient understanding of REST API integration.
Regards
Team Merito
Position: React JS Developer
Exp: 6-8years
Skills: React, Javascript, Typescript, HTML/CSS, GIT, Frontend Testing, Tools like Cypress.
Leena AI has been founded by IIT Delhi alumnus and senior industry veterans with the mantra to "Improve Employee Experience through Intelligent Conversations”.
Leena AI provides an end to end Chatbot to better the employee/candidate experience & product longevity using our capabilities in HR Chatbot. This solution ensures a reduction in query handling time for HR & improves the employee experience. Apart from this we also have out of the box modules which take care of real-time status updates for employee queries about Workday, improve employee on-boarding and exit process along with simplifying employee-manager's self-service process in the organization. We enable out of the box integration with Workday, Microsoft AD, Kronos and SharePoint for providing a superior experience to employees over the Chatbot.
At Leena AI, We are looking for a passionate Lead Front-End Developer who is proficient with React.js. You will be involved from conception to completion with projects that are technologically sound and aesthetically impressive. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality products are important.
Responsibilities:
As a Lead Front-End Developer you would be responsible for:
- Leading a team, Collaborate with team to deploy and continuously improve our solutions
- 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 and pixel perfect code.
- Optimising components for maximum performance across a vast array of web-capable devices and browsers.
- And everything that a coder does.
- Strong proficiency in JavaScript, including DOM manipulation and theJavaScript object model.
- Thorough understanding of React.js and Redux its core principles.
- Familiarity with newer specifications of ECMA Script is a plus.
- Familiarity with RESTful APIs.Knowledge of modern authorisation 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.
- Lead a product (would be a plus)
- Have managed a team before
- Contribute to front-end development of web applications
- Handle production incidents
- Working closely with stakeholders to ensure a smooth user experience
- Build reusable components and front-end libraries for future use
- Translate designs and wireframes into high-quality code
Job Requirements:
- 2+ years experience in front-end web development is required
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Extensive experience in working with HTML5, CSS, Bootstrap and JavaScript
- Thorough understanding of React.js and its core principles
- Familiarity with newer specifications of EcmaScript
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc
- Ability to understand business requirements and translate them into technical requirements
- Familiarity with code versioning tools (such as Git, SVN, etc)
- Experience in developing an application with cross-browser compatibility in IE, Firefox, Safari, Chrome, including tablets, phone, etc












