
We do have opening with our company Crownstack Technologies for React.Js Developer. Interested candidate can share their CV.
About us
Crownstack is a premium organisation that specializes in providing innovative digital technology solutions to various enterprises including startups, small and medium-sized businesses and Fortune 500 companies across the globe. Our services include, but are not limited to, UI design, mobile app and web development, Cloud computing, data analytics, and Dev Ops. We take pride in our ingenious, meticulous, and skilled workforce who aim to deliver sustainable and cutting-edge business and technology solutions to all our clients. ★ 100+ Successful Apps Delivered | ★ Enterprise and Startup Clients | ★ Scalable Products | ★ MEAN Stack | ★ Python, pHp, NodeJs | ★ Agile Development | ★ Best UI/UX Award
Job Description
Crownstack is looking for ReactJs Developers to join our team and deliver a streamlined user experience. We want a team member who strives to develop a first-class codebase using ReactJs best practices. As a React Developer, you will implement a complete user interface across our mobile and desktop web interfaces.
Requirements
Job Location: Gurgaon/Noida
Experience: 2+ years
Roles and Responsibilities
- Develop user interfaces with the latest frontend technologies
- Research, analyze, and develop product features of increasingly complex nature
- Code tested and documented JavaScript, HTML, PUG and CSS
- Make design and technical decisions for ReactJs projects.
- Develop application code and unit testing in the ReactJs with REST APIs
- Ensure high performance of all systems developed
Skills and Qualifications
- 2+ years experience with ReactJs
- Strong expertise with HTML, CSS, and writing cross-browser compatible code.
- Experienced in Typescript is a plus
- Familiarity with testing frameworks (Ex. Enzyme)
- Experience in building highly reusable and decoupled components
- Experience in State management Libraries like Redux, mobx
- Critical thinking and problem-solving skills
- Good time-management skills
- Great interpersonal and communication skills

About Crownstack Technologies
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About the Role
At Ceryneian, we’re building a next-generation, research-driven algorithmic trading platform aimed at democratizing access to hedge fund-grade financial analytics. Headquartered in California, Ceryneian is a fintech innovation company dedicated to empowering traders with sophisticated yet accessible tools for quantitative research, strategy development, and execution.
Our flagship platform is currently under development. As our Frontend / Full Stack Engineer, you’ll lead the creation of a stunning, intuitive user experience—spanning our landing page, drag-and-drop strategy builder, trading dashboards, and internal tools. You’ll collaborate closely with design, backend, and DevOps teams to build high-performance, secure, and scalable customer-facing applications. This role is central to delivering the reliability, flexibility, and performance our users will rely on in fast-moving financial markets.
We are a remote-first team and are open to hiring exceptional candidates globally.
Core Tasks
· Design, build, and deploy customer-facing interfaces, including the strategy builder, dashboards, and marketplace.
· Implement reusable UI components based on Figma designs; integrate charting tools like TradingView or Highcharts.
· Own the frontend development pipeline, including prototyping, implementation, testing, and responsiveness.
· Implement secure authentication and user management (OAuth2, JWT, multi-role access).
· Build real-time web experiences using WebSockets, REST, and client-server integrations.
· Collaborate with backend and DevOps teams to streamline data flow and deployment workflows.
Top Technical Competencies
· Strong foundation in HTML/CSS, JavaScript/TypeScript.
· Proficiency in modern frontend frameworks such as React (Next.js), Svelte, Angular, Vue, or Phoenix.
· Experience with OAuth2 and secure authentication workflows.
· Familiarity with server-side rendering (SSR) and modern state management (Zustand, Redux, MobX).
· Integration experience with charting libraries such as TradingView, Recharts, or Highcharts.
· Deployment experience using platforms like Vercel, Heroku, GCP, or AWS.
· Working knowledge of WebSockets, REST APIs, and data streaming models.
· 0–3 years of frontend development experience.
Bonus Competencies
· Familiarity with Supabase, PostgreSQL, Firebase, or MongoDB.
· Understanding of microfrontend architectures or API Gateway patterns.
· Experience with WebAssembly and real-time trading interfaces.
· Exposure to fintech platforms or trading systems.
· Background from Tier-I or Tier-II institutions with strong computer science fundamentals, a passion for scalable system design, and a drive to build cutting-edge fintech infrastructure.
Ideal Candidate
You’re a design-minded full stack engineer who builds fast, clean, and modular frontend systems. You thrive on making complex interfaces intuitive—turning strategy logic into drag-and-drop workflows—and can ship high-performance components that integrate seamlessly with real-time APIs. You value design systems, scalable frontends, and cross-functional collaboration.
What We Offer
· Opportunity to shape the product interface of a next-gen fintech startup.
· A collaborative, technically driven culture.
· Competitive compensation with performance-based bonuses.
· Flexible working hours and a remote-friendly environment.
· Exposure to financial modeling, trading infrastructure, and real-time systems.
· Collaboration with a world-class team from Pomona, UCLA, Harvey Mudd, and Claremont McKenna.
Required Skills:
• He/she should have 3+ years of experience in Software Development
• Proficient experience working with React Js.
• Strong experience in JavaScript and Typescript
• Proficient in HTML5, CSS3, Bootstrap, Kendo & jQuery
• Proficient understanding of code versioning tools, such as Git.
• Strong understanding of the web development cycle and programming techniques and tools.
• Strong problem solving, verbal and written communication skills.
• Should have strong knowledge on integration with backend API’s
The ideal candidate will have at least 2 years of experience in developing scalable and responsive web
applications, and will be able to work collaboratively with other developers and stakeholders to deliver
high-quality software products.
Responsibilities
● Develop and maintain responsive and scalable web applications using React and JavaScript
● Write clean, efficient, and maintainable code that adheres to coding standards and best practices
● Collaborate with other developers and stakeholders to design and implement software solutions
that meet business requirements
● Work with UX/UI designers to implement user interfaces that are intuitive and visually appealing
● Optimize web applications for maximum speed and scalability
● Participate in code reviews, testing, and debugging to ensure that the software meets quality
standards
● Stay up-to-date with the latest industry trends and technologies, and make recommendations to
the company on how to best incorporate them into its products and services
● Proficient in client & server-side JavaScript, HTML5, CSS3 and webpack
● Competent in building single page web applications using Node.js and React Js
● Redux for state management
● Universal rendering (Client-side rendering and Server-side rendering)
● Experience with cross-browser, cross-platform, and design constraints on the web
● Experience in developing automated unit and functional tests
● Experience in an agile development process
● Solid knowledge of algorithms and design patterns
● Have a passion for quality and writing clean, readable code that scales and performs well
● Good interpersonal communication skills
Desired Candidate Profile
● At least 2 years of experience in developing web applications using React/NextJS/VueJs and
JavaScript
Minimum two year of experience in React is required for this position.
- Responsible for requirements understanding, propose architecture, detailed design,
- development and timely deliverables with the highest quality standards.
- We are looking for Product creators who can work with minimum inputs from business and are able to deliver products quickly and with quality.
- This person should have worked in Enterprise class product from scratch.
- Start-up experience would be highly desirable.
- Tech Stack: React.js, HTML, CSS, AWS, MySQL, Razor Pay, Google Analytics, SEO, Dev Ops, CI/CD Pipeline
• Working with the technical manager, understanding requirements, documents, and
develops with clean and maintainable code, and works with members to foster growth
within the team.
• Analyses, designs, programs, resolve bugs, supports, and modifies software for
enhancements and/or new feature development.
• Estimates work based on requirements.
• Develop user interface components and implementing them following well-known
React.js workflows (such as Redux), React hooks, react-router with Javascript ES6.
• Develop and maintain excellent React Native applications with clean code.
• Optimizing components for maximum performance.
• Work with modern tools like Jira, Git, Google Docs, etc
• Highly motivated, enthusiastic, and self-learner.
• Partnering with others to solve problems quickly and efficiently
Qualifications
• BE / B.Tech / MCA
• 5 – 8 years of experience in Front-end development.
• Expertise in HTML5, CSS, React Js / JavaScript (ES6), DOM manipulation and
the JavaScript object model.
• Experience with popular React.js workflows (such as Redux)
• Experience working with ReactNative and understanding of ReactNative best
Practices would be added advantage.
• Proficient understanding of code versioning tools, such as Git
• Basic understanding of CSS pre-processing platforms, such as LESS and SASS
• Familiarity with RESTful APIs
• Having knowledge of Unit-Test/Java/Spring will be an added advantage
• Knowledge of modern authorization mechanisms, such as JSON and Web Token
• Demonstrates deep expertise in specific coding concepts and/or languages,
• especially around modern application architectures.
• Experience with web applications that use responsive design to better support mobile
browsers
We are more interested in what you CAN DO than your location, education, or
experience levels.
Location- Anywhere in India with remote working (Base location Mumbai/Pune)
Send us your code samples / GitHub profile / published articles if applicable.
UPCRED powers AI-Recommendation on Social Content Creators, helping them discover content monetisation and helping Brands/Businesses explore Influencer Marketing.
The company’s advert platform is powered by artificial intelligence, which is used by businesses for Influencer Discovery, Campaign Management, and Campaign Analytics through UPCRED Pixel Management.
Our technology visions to have one-third of the world's social consumers discover new things through recommendation feeds from their favourite social media creator and which connects advertisers to these audiences to grow their business.
UPCRED Social has long-term partnerships with a variety of digital content creators and has the vision to democratize the social earning for content creators in India.
UPCRED Advert wants to be an all-in-one influencer marketing platform designed to help businesses own their influencer relationships.
Responsibilities:
The React Developer will own and drive web development—including decisions about tools, technologies, and processes - for UPCRED.
This is an incredible opportunity for anyone interested in being a part of a high-performing, fast team with a massive learning curve. Our team moves fast and develops world-class products by pushing the boundaries of React development. If hired, you will be part of UPCRED's in-house Product & Engineering team.
Develop cross-browser & cross platform supported web applications in React which customers love using.
Work with product, design, backend teams to develop features.
Work on bindings and integrations required with react libraries & REST api's.
Plan, estimate, and delivery your project with minimal supervision.
Skills:
1 - 5 years of React experience with some hands-on experience with web application development.
Experience with React Ecosystem (React Router, Styled-components, Server-side rendering, Context API, React Hooks) is strongly preferred.
Experience with state management libraries such as Redux or MobX is a huge plus.
Proficient understanding of cross-browser compatibility issues and ways to work around such issues
Understanding of REST APIs, the document request model, offline storage, state
management.
Experience with Content/Video-based website.
Understanding of Social Video-based web Architecture
HOW?
Apply, and let us know your interest?
UPCRED, that's how we grow, fair and transparent!
Note: Candidates who is having a notice period of more than 45 do not apply
Responsibilities:
● Take end to end ownership of all products right from conceptualization till production.
● Develop cross-platform user-facing features using React JS.
● Drive major frontend architecture decisions along with Product Managers and
Engineering Head.
● 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
Requirements:
● 6+ years of relevant experience in core frontend technologies (JS, React,
Redux,GraphQL)
● You're an engineer by heart and not just a developer.
● You're innovative and able to pitch ideas to your colleagues.
● You're able to work with Product Managers, Designers and call out things upfront
from an engineering perspective.
About the Company
Established in the year 1953, Our Client is one of the leading TMT bar manufacturer and exporter in India. It is a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform
Job Description
Experience : 2-3Years
Requirement
- 2 years of experience in frontend development primarily using React .JS
- Knowledge and experience in JavaScript and ReactJS ,HTML,CSS3
- Thorough understanding of NodeJs & React.js(SSR) and its core principles
- Familiarity with RESTful APIs
- Familiarity with modern front-end build pipelines and tools
- Good experience and thorough understanding of React.js and its core principles
- Good experience in UI design and development
- Knowledge of functional and object-oriented programming
- Ability to write well-documented, clean Javascript code
- Ability to understand business requirements and translate them into technical requirement
Regards
Team Merito
Job Description
We are looking for a Senior Fullstack Engineer who is an expert on the Javascript stack (Node.js and React). We are looking for engineers who work like owners as you will be tasked with leading the development of one of our 5 major components of the Hatica platform. You will work with experienced engineers and on a modern serverless stack built using Javascript (React and Node) and Golang with a in-house realtime data analytics engine on Postgres and Elasticsearch among others.
Responsibilities
- Work across the Javascript stack from React.js in the front to Node.js in the back.
- Help your fellow DevOps and junior engineers working on our cloud infrastructure and other components of our product to ensure a code quality and robust architecture.
Requirements and Qualifications
- BE/BTech in Computer Science or Engineering
- Minimum Experience of 4 years with backend development.
- Experience of at least 2 years with Node.js
- Minimum Experience of 2 years with front end development in React
- Familiarity with newer specifications of EcmaScript
- Understanding of GraphQL
- Understanding of AWS and cloud-native technologies is preferred
Benefits
- Work with the best and brightest on a global cutting-edge SaaS product
- Performance oriented culture built on fairness and inclusivity
- Competitive Compensation
- Flexible work hours
- Fully remote team, work from anywhere
We are planning to expand our team to explore new opportunities and looking for creative, enthusiastic, and passionate individuals to join our team.
Job Description
- Need to work on designing, developing, and testing UI for the platform
- Need to work with design teams to build new features to solve business problems and fill business needs
- Convert Design to Code using latest web technologies
- Integrate User Interface with Back-End APIs
- Optimize application for maximum speed and scalability
- Self-motivated, self-learning and thinking up and executing own ideas
- Strong knowledge of React.js, HTML, CSS & Javascript
- Knowledge in node.js, AWS, is an advantage
- Ability to work independently and manage the entire frontend of all platforms associated with Rejolut
- Exemplary tasks – Explore something new every day!
- Responsibility – Bring in your own ideas and get supported in executing them.
- Fun – Experience a family culture & celebrate with the founders & team.
- Team – Be a part of a high-performance & cultural diverse team
- Freshers can apply
- Students in their last semester or passed out in 2020 can also apply
- Working days: Monday to Friday
- Timings: 11:00 am to 7:00 pm
- Duration of internship: 6 months/PPO(Performance Basis)
Stipend: INR 10,000 -15000 / per month
Please apply only if -
- You are available for the above said duration.
- You prefer to work in a fast paced environment with growth & learning opportunities
- If you have not applied for an internship before with us.
- have relevant skills and interests
Rejolut - As a Career Differentiator
- We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.
- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.
- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.
- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loyalty Rewardz.
Benefits :
- Health Insurance
- Work from Home
- Fast growth and more visibility into the company
- Experience to work on the latest technology
- Competitive Learning Environment with supportive co-workers
- Employee friendly HR Policies
- Paid leaves up to certain limits
- Liberal working atmosphere
- Get mentored by the best in the industry
Myntra’s Engineering team builds the technology platform that empowers our customers’ shopping experience and enables the smooth flow of products from suppliers to our customers’ doorsteps. We work on areas such as building massive-scale web-applications, engaging user-interfaces, big-data analytics, mobile apps, workflow systems, inventory management etc. We are a small technology team where each individual makes a huge impact. You will have the opportunity to be part of a rapidly growing organization and gain exposure to all the parts of a comprehensive eCommerce platform.
You will be a part of: Supply Chain Management (SCM)
Myntra-Jabong Supply Chain Management systems form the backbone of our core business and customer experience. Any business runs on a simple construct of Demand (Consumer) and Supply (Producer). However, a set of complex and intricate methods, processes and systems connect the demand with supply in a deterministic and predictable way. These methods, processes and systems collectively form the Supply Chain for the business. The multi-billion-dollar Myntra-Jabong business fundamentally rests on a set of highly scalable, robust and intelligent Supply Chain Management systems that solve real-world problems of predicting the demand from millions of our customers, for a combination of millions of products from our product catalogue, and intelligently connecting that demand to thousands of national and international sellers or suppliers using a set of advanced homegrown tech products that we build and manage.
SCM engineering employs new-age technologies such as Distributed Computing constructs, Machine Learning, Deep Learning, Computer Vision, Artificial Intelligence; scalable data stores in Mongo, Redis, Cassandra, MySQL, Elastic Search, Solr; scalable programming constructs in Node.js, GoLang, Java; JavaScript, Python, and new-age frameworks such as ReactJS and ReactNative to solve some of the hardest problems in the e-commerce business
with world-class software products.
The SCM engineering at Myntra-Jabong operates within two distinct verticals: Supply-chain Outbound (Fulfilment systems) & Supply-chain Inbound (Selection systems, Partner experience).
Responsibilities
● Technical Guidance: You will provide technical leadership to a team of excellent software engineers; this
requires that you have the technical depth to make complex design decisions and the hands-on ability to
lead by example.
● Execution and Delivery: You will be expected to instil and follow good software development practices
and ensure timely delivery of high-quality products. You should be familiar with agile practices as well as
be able to adapt these to the needs of the business, with a constant focus on product quality.
● Team management: You will be responsible for hiring and mentoring your team; helping individuals
grow in their careers, having a constant dialogue about their aspirations and sharing prompt, clear and
actionable feedback about performance.
Skills / Experience
● Total of 9+ years’ in developing front-end for large scale web based consumer facing products and 2 + years’ experience in team management
● Degree in Computer Science or related field.
● Good understanding of mobile platforms and browsers.
● Strong CS & HTTP fundamentals.
● Experience and expertise in UI architecture, component/framework design.
● In depth strength and experience in JavaScript.
● Excellent programming skills in HTML5, CSS3.
● Building advanced responsive layouts.
● Node.js background is essential, React.js is a plus.
● Ability to write code compatible across browsers and other clients.
● Exposure to mobile-based interfaces, social media.
● Good understanding of backend systems i.e. web services, APIs from consumer
perspective.
Requirements
● Technical depth
o Strong technical competence required to gain credibility. Ability to architect, design and code
yourself. Technical experience in building and operating web-based applications. Deep
understanding of all layers of the web-stack work (from the client interface to the database).
Knowledge of multiple technology stacks/languages/tools and their pros/cons.
● Execution ability
o Focus on delivering products in a timely manner with high quality. Familiarity with multiple software
development practices and tools, and the proven ability to adapt, champion and institute good
practices and tools.
● Strong understanding of object- oriented programming, concurrency and fundamentals of
computer-science.












