Kvantum is a career-changing opportunity where you will get to learn the latest and greatest marketing analytics for CPG, Retail, eCommerce, Pharma industry (to name few). At Kvantum, you will be part of a rapidly growing company. You will be able to make your mark; you’ll help write the story. You will get the chance to go above and beyond, being a hero to your clients and to your team. You will get the chance to make a big impact, applying your coding skills, domain expertise to ready the most innovative marketing science product to Fortune 1000 customers.
What you’ll be doing in your new job:
As a Front End/UI Developer at Kvantum you will be working with incredibly talented, optimistic people in an environment that fosters innovation builds trust, and frequently erupts into laughter. You are a natural developer and enjoy helping team members in coding and development. You command respect from your superiors and also from peers. In this role, you’ll demonstrate a proven track record of developing enterprise-grade web frontends using technologies such as JavaScript, Ajax, XHTML and JSON. You'll join a team of exponential application developers who are working hard to develop our next generation SaaS marketing applications.
Primary Responsibilities includes:
- Develop Proof-of-Concept and prototype applications using new technologies and frameworks. In addition to collaborating with internal teams and clients to create innovative solutions.
- Help establish GUI best practices and JavaScript frameworks for web development.
- Provide context and guidance for integration and implementation of Front-End Interfaces
- Translate wireframes, comps, and functional requirements into functional HTML/ CSS / Javascript.
- Develop standards-compliant mark-up and code for web sites and applications
- Develop JavaScript using standard Frameworks (jQuery, etc.)
- Develop small to medium size custom JavaScript libraries for reuse across the application
- Provide technology and implementation expertise to the domain, projects, or client
- Maintain leading-edge knowledge in emerging technologies and frameworks
- Participate in knowledge sharing and lessons learned sessions from project experiences
For this position, you must have:
- Expert JavaScript/HTML/CSS coding skills.
- 2-4 years of professional experience
- Minimum 2 years of relevant experience in javascript
- Minimum 1 year of relevant experience in React.js
- Hands-on experience with the implementation of different design patterns
- Proven experience of developing software using the Agile/SCRUM development methodology
- Command of web standards, CSS based design, cross-browser compatibility
- Experience to optimize the performance of the web application;
- Good understanding of page rendering, DOM manipulation, caching, REST API
- Experience of developing the application using Test-driven Development(TDD)
- Experience of working on LINUX environment
- Attention to detail, Dedication, and Problem-Solving skills.
Nice to Have:
- Working experience in any of these technologies and frameworks: D3.js, Node.js, Express.js, Elasticsearch, GraphQL, Redis
- Experience working with start-ups.
- A good learning curve for new technologies.
We provide a competitive stipend and abundant opportunity for talented people to grow faster. Our people (as we call them Kvants) know how to celebrate success (monthly team events, quarterly company events, employee awards, etc.) and work smart to achieve desired goals.
Disclaimer:
Outside Recruiters: Kvantum prefers to recruit candidates directly. We do not accept unsolicited agency resumes. Please do not contact Kvantum employees with unsolicited resumes. Any resume sent by an outside agency without an explicit signed Kvantum generated agency agreement in place will be considered unsolicited and will not be eligible for payment.

Similar jobs
- Delivering a complete front end application
- Ensuring high performance on mobile and desktop
- Writing tested, idiomatic, and documented JavaScript, HTML and CSS
- Coordinating the workflow between the graphic designer, the HTML coder, and yourself
- Cooperating with the back-end developer in the process of building the RESTful API
- Communicating with external web services
Skills and Competencies:
- Proficiency with JavaScript, TypeScript, HTML and CSS
- Fundamental Knowledge of an SPA (Single page application)
- Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
- Ability to provide SEO solutions for single page apps
- Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
- Validating user actions on the client side and providing responsive feedback
- Writing non-blocking, optimized, reusable and scalable code
- Creating custom, general use modules and components which extend the elements and modules of core Angular
- Experience with building the infrastructure for serving the front-end app and assets
- Architecting and automating the build process for production, using task runners or scripts
- Creating configuration, build, and test scripts for Continuous Integration environments
- Proficient understanding of code versioning tools such as git is required
- Excellent presentation, problem-solving and team working skills
Qualification and Experience:
- B.E. / B. Tech. / MCA / PGDCA / M.Sc. (CS) /M.E. / M. Tech
- At least 2 years of experience in Web Application Development with Angular/React
- Proven expertise in testing of application software to assure accuracy, integrity, completeness to achieve desired results
- Experience with AngularJS (v1.x.x) would be a value-add
Individual Contributor
Product Owner
6 years plus on Angular with TypeScript/React.js
Immediate Joiners Only
Worked on Dashboards customising Components
Roles & 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 :
- Strong knowledge of Javascript (ES6) including all the latest features
- Ability to create flexbox driven UI layout
- Ability to comprehend performance issues and solve them
- Strong debugging skills using the browser
- Knowledge of Git (including merging, branching and resolving merge conflicts)
Must-haves:
1. You need to be excited about the problem that we are trying to solve
2. 2+ years of experience building applications in React Native
3. Build pixel-perfect, buttery smooth UIs across both mobile platforms.
4. Strong JS fundamentals
5. Experience with iOS or Native Android development experience
6. Ability to give clarity and communicate well with the team, including
Product, Backend and Dev-Ops (if and when needed)
7. Ability to use profiling tools well, getting to root causes of bugs fast
8. Ability to pick and work on adjacent technologies if and when
required (Eg: If the best performance monitoring solution needs a
basic firebase setup, that should not be a blocker for you to go ahead
and do so)
9. Maintain code and write unit tests to ensure the product is of the
highest quality.
10. Reach out to the open-source community to encourage and help
implement mission-critical software fixes—React Native moves fast.
11. You need to be comfortable working in a remote environment (Good
internet connection and availability on phone is required)
12. Keen to learn!
Good to have:
1. Experience with React.js
2. Experience in Test Driven Development
3. Ability to tell Product what creates better User Experience, ability to
tell backend what API responses will help the user get a faster load
time
4. Inquisitiveness to understand the system as a whole, and not only be
stuck to your domain of expertise (Eg: Asking questions like why
does this particular response take so much time as compared to
others, and brainstorming with the backend engineer on how to
improve on it
Front-End Developer Job Description
We are looking for programmers with a keen eye for design for the position of a frontend developer. Front-end developers are responsible for ensuring the alignment of web design and user experience requirements, optimizing web pages for maximum efficiency, and maintaining brand consistency across all web pages, among other duties. Front-end developers are required to work in teams alongside product managers, back-end developers and graphic designers to ensure all elements of web creation are consistent. This requires excellent communication and interpersonal skills.
Front-End Developer Responsibilities:
Determining and creating scalable structure and design of web pages.
Building and maintaining reusable code for future use.
Ensuring web design is optimized for smartphones.
Optimizing web pages for maximum speed and scalability.
Actively participate in design and code reviews to build robust applications
and prototypes
Striking a balance between functional and aesthetic design.
Troubleshooting and debugging existing applications.
Following standard predefined design guidelines.
Delivering assigned tasks on time.
Front-End Developer Requirements:
Proficiency in HTML, CSS, and JavaScript. And knowledge of JavaScript frameworks such as ReactJS, and VueJS.
Knowledge of typescript, es-lint, webpack and bundling of applications.
Familiarity with CSS frameworks such as CSS, less.
Experience with responsive and adaptive design.
Degree in B. Sc (IT or CS), BCA, MCA, MSc, BE, ME
Knowledge of agile development methodology.
Good problem-solving and interpersonal skills.
Excellent verbal communication skills.
🌟 About Us:
We create AI solutions for hospitals, combining scientific rigor with startup agility.
iON Health's SmartAI is an AI-powered tool developed to help clinicians interact with a patient's medical record using natural language, transforming how healthcare providers access and synthesize clinical data
Founded by serial entrepreneurs with more than 15 successful exits, we offer the opportunity to work alongside elite engineers, clinicians, and product innovators to improve the health of millions of patients each year.
🎯 What We’re Looking For:
- 7+ years of experience with React.js (front-end) and Node.js/Express (back-end).
- Solid understanding of relational and NoSQL databases (e.g., PostgreSQL, MongoDB).
- Experience with cloud platforms (AWS/GCP/Azure) and CI/CD pipelines.
- Comfort working in fast-paced, ambiguous environments with high ownership.
- Prior experience in AI/ML, healthcare, or enterprise software.
- Must Have: Bachelors in Engineering from IIT/NIT/IIIT or similar institutions.
- Good to have: Experience in AI focused startups, early-stage teams, or as a founding engineer.
🛠 What You’ll Do:
- Design, develop, and deploy scalable web applications across the stack (front-end + back-end).
- Collaborate with founders, designers, and other engineers to take features from concept to production.
- Write clean, maintainable, and efficient code using [React.js, Node.js, TypeScript, or your tech stack].
- Work on database design and API development (REST/GraphQL).
- Optimize applications for maximum speed and scalability.
- Contribute to architectural decisions and set up best practices for the team.
- Be hands-on with debugging, testing, and performance tuning.
💡 Why Join Us?
- Work alongside elite engineers, clinicians, and product innovators
- Competitive salary + equity options (you’ll grow as the company grows)
- Fast decision-making and zero bureaucracy
- Shape the future of AI in healthcare
We are looking for 4 React JS Developers to add to our existing mature frontend team. Experience with React Native would be preferred.
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 browser.
Must have good analytical skills and problem-solving skills
Min 1 Year Exp in HTML5, CSS3 and responsive web designing
Detail oriented and powerful analyzer.
Great writing communication skills.
A motivated self-starter with strong leadership skills
Responsibilities
Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
Experience with popular React.js workflows (such as Flux or Redux).
Experience with data structure libraries (e.g., Immutable.js).
Knowledge of isomorphic React and React native is a plus.
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.
Familiarity with react hooks, redux toolkit and redux advanced
About Rara Delivery
Not just a delivery company…
RaRa Delivery is revolutionising instant delivery for e-commerce in Indonesia through data driven logistics.
RaRa Delivery is making instant and same-day deliveries scalable and cost-effective by leveraging a differentiated operating model and real-time optimisation technology. RaRa makes it possible for anyone, anywhere to get same day delivery in Indonesia. While others are focusing on ‘one-to-one’ deliveries, the company has developed proprietary, real-time batching tech to do ‘many-to-many’ deliveries within a few hours.. RaRa is already in partnership with some of the top eCommerce players in Indonesia like Blibli, Sayurbox, Kopi Kenangan and many more.
We are a distributed team with the company headquartered in Singapore 🇸🇬 , core operations in Indonesia 🇮🇩 and technology team based out of India 🇮🇳
Future of eCommerce Logistics.
- Data driven logistics company that is bringing in same day delivery revolution in Indonesia 🇮🇩
- Revolutionising delivery as an experience
- Empowering D2C Sellers with logistics as the core technology
A section describing benefits and life at your company is a great way to attract talent.
About the Role
- Architect, build, and maintain excellent React Native applications with clean code.
- Implement pixel-perfect UI's that match designs.
- Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
- Integrate third-party APIs.
- Work as part of a small team to build applications.
- Write unit and integration tests.
- Release applications to IOS and Google Play stores.
- Work with native modules when required.
- Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and designer.
- Complete two-week sprints and participate in sprint retrospectives and daily standups.
- Assist with building estimates.
- Interface with clients via Slack, Zoom, and email.
- Track your time throughout the day using Toggle.
- Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
- Be part of a community of React Native developers who share knowledge and help each other as problems arise
Responsibilities:
- Build React Native apps from scratch that'll be used globally.
- Architect App infrastructure systems like caching, state manager, common validation framework, etc.
- Launch the apps in different app stores like Apple, Google, etc.
- Create custom reusable Component Library
- Create data visualizations like charts, tables, dashboards, etc.
- Write well tested, beautiful, performant and bug free code.
- Thrive in a collaborative team environment and work with challenging timelines.
- Establish and advocate front-end coding guidelines.
- Mentor team members and help resolve any critical blockers.
Requirements:
- A self-driven, hard-working Frontend engineer with an eye for detail.
- Bachelor's Degree or equivalent in Computer Science
- Minimum 4 years of overall experience with expertise in working in React Native, Redux and TypeScript
- Strong understanding and knowledge of Styling
- Experience in writing native code for Android and iOS
- Strong debugging skills for Android and iOS.
- Experience in launching apps in various App Stores.
- Experience with GraphQL is a plus.
- Familiarity with modern front-end build pipelines and tools
About Us
Spotnana is a stealth startup that is building the technology stack to solve the experience, trust, and transparency challenges that legacy players in a $1.8 trillion industry refuse to. We were told it can’t be done - and now we’re doing it.
Based in the San Francisco Bay Area, our founding team consists of veterans from Google, Amazon, Twitter, Airbnb, Expedia, ThoughtSpot, FreshDesk, Goldman Sachs, Oyo, SAP, and Cohesity
Join us to find out what Silicon Valley investors and early backers of Airbnb, Amazon, Facebook, LinkedIn, Brex, Palantir, Revolut, and Snowflake see in our mission.
Let's explore creating one of the best pieces of work ever made, together.
we are looking for a Sr. Software UI Engineer to join us! You will design, develop, troubleshoot and debug software programs for software enhancements and new products. Develops software including operating systems, compilers, routers, networks, utilities, databases and Internet-related tools. Determines hardware compatibility and/or influences hardware design. If you have a track record in and a passion for software engineering, want to be part of a business that is growing—with great opportunities, and are ready for your next role, then please apply today.









