Senior R&D Engineer- UI / UX

We are seeking a passionate and skilled React Engineer with over 1 year of experience to join our team. The ideal candidate will have hands-on experience building dynamic and responsive web applications using React.js. This role requires a strong understanding of front-end development principles and the ability to deliver high-quality, scalable solutions in a collaborative environment.

Key Responsibilities:

• Develop, maintain, and optimize web applications using React.js.
• Create reusable and modular components to ensure consistency and efficiency in development.
• Collaborate with designers and backend developers to implement user-friendly features.
• Debug and troubleshoot application issues to enhance performance and user experience.
• Integrate APIs and manage state effectively using tools like Redux, Context API, or React Query.
• Ensure responsive design and cross-browser compatibility for seamless user experiences.
• Write clean, well-documented, and maintainable code.
• Stay up-to-date with the latest React and front-end development trends.

Core Proficiency:

• Strong understanding of JavaScript (ES6+).
• Proficiency in React.js and its core principles, including JSX, hooks, and lifecycle methods.
• Experience with state management libraries like Redux, Context API, or React Query.
• Proficiency in styling in the component.
• Familiarity with Tailwind CSS for efficient UI development and responsive design.
• Experience with CSS-in-JS libraries like Styled-Components or Emotion is a plus.
• Familiarity with Next.js for server-side rendering (SSR), static site generation (SSG), and routing capabilities.
• Hands-on experience integrating RESTful APIs or GraphQL into React applications.
• Proficient in Git for version control and collaborative development.
• Basic understanding of testing frameworks like Jest, React Testing Library, or Cypress.
• Understanding of code splitting, lazy loading, and performance optimization techniques.

About JobTwine:

JobTwine is an AI-powered interview platform that helps organizations hire smarter and faster. We automate the entire interview process — from shortlisting and screening to live human interviews — using our intelligent AI Copilot. With JobTwine, companies can reduce hiring time by 50%, improve feedback quality, and never miss out on top talent.

Role Overview:

We are looking for a skilled Frontend Engineer (SDE-1) who will play a key role in building intuitive, scalable, and high-performing user interfaces for our AI-powered hiring platform.

Required Skills:

● Strong hands-on experience in React or Angular

● Deep understanding of JavaScript, HTML5, CSS3 and modern frontend frameworks

● Proven ability to write clean, maintainable, and testable code

● Experience collaborating with backend engineers and designers

● Strong analytical and problem-solving skills with a product-focused mindset

Good to have skills:

• Self-starter and highly motivated individual who is prepared to use his/her own initiative in understanding and following up issues.
• Takes ownership and responsibility of problems through to resolution.
• Keen to learn business processes and technical skills.
• Ability to work under pressure and multi-task when necessary.
• Hands on experience using tools like Trello, Gitlab, Zoom.

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

Company Profile:

We’re now looking for a passionate “/ReactJS Developer” who is willing to join us at an early stage and help us build a world-class product. 

Required Skills

• 2+ years of RELEVANT EXPERIENCE in ReactJS
• Strong Computer Science fundamentals - data structures and algorithms
• Strong understanding of ReactJS Ecosystem (State management, Component-based design, Hooks, Responsive design)
• Good with CSS (converting UI designs to code)
• Writing clean and maintainable code
• Proficient understanding of APIs and wiring them   
• Strong testing, debugging, and problem-solving skills
• Familiar with modern development practices - writing clean code, git versioning, understanding development workflows

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:

2 - 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

As a web application developer, your job is to program frontend modules and applications. We are looking for someone with expertise and experience in designing, developing and testing web applications including new developments, enhancements, maintenance and support. The role involves continuous collaboration with team, partners.

Responsibility

• Building interactive consumer data from multiple systems and RESTfully abstract to the UI using React JS ( javascript and typescript)  through a Node.js backend
• Create Unit and Integration tests to ensure the quality of code
• Address and improve any technical issues
• Ability to translate Wireframes and PSD Designs into functional web apps
• Be responsive to change requests and feature requests
• Write code that is cross-platform and cross-device compatible
• Strong commitment to quality and delivery
• Collaborate well with engineers, and specialists to design and create advanced, elegant and efficient system

Requirements: 

• Experience creating front end applications using HTML, React JS
• Database – MongoDB, SQL
• Fluent knowledge of latest HTML/CSS standards and best practices
• Experience building Responsive websites for web, tablet and mobile device
• Obsession with lean, clean and organized code
• Solid Understanding of HTTP protocol and how server-side code is processed on the client
• Knowledge of the following will be considered as an advantage

Consumer Web Development Experience for High-Traffic, Public Facing web applications

Experience with cloud technologies also a plus

Creating Unit test cases

Typescript

Company Introduction

iSchoolConnect is an online platform that makes the University Admissions process hassle-free, fun and accessible to students around the globe. Using our unique AI technology, we allow students to apply to multiple universities with a single application. iSchoolConnect also connects with institutions worldwide and aids them in the transformation of their end-to-end admission processes using our various cutting-edge use cases. Our technologies include the Conversational AI chatbot, Document Grader, Video Interview Analyzer, and a Single application use case which aids institutions with International Enrollment Management.

For more information visit: https://ischoolconnect.com/">https://ischoolconnect.com/

LinkedIn Page: https://www.linkedin.com/company/ischoolconnect/">https://www.linkedin.com/company/ischoolconnect/

Job Description

Designation: Senior Frontend Developer

Location: Malad, Mumbai (Currently Remote)

Reports to: Product Manager 

Principal Accountabilities:

• Develop, Enhance, and Modify Applications for a Global Market Environment.
• Design, Code, Test, Debug, and Document programs for corporate systems architecture.
• Work closely with Business stakeholders to define requirements for system applications

Work Dimensions:

• Working on any of the frameworks - Vue/ Angular/ React.
• Should be able to quickly take visual specs and produce responsive web pages.
• Building cross-browser and cross-platform web applications.
• Working with scalable, high-performance systems.
• Unit & E2E testing of Front-End web applications using JavaScript frameworks such as Karma, Jest, Cypress, etc.

• Strong Core JavaScript & ES6 programming skills.

• Understanding of Front-End tools and bundlers.
• Integration of user-facing elements developed by front-end developers with server side logic
• Design and implementation of low-latency, high-availability, and performant applications.

Work Context:

• A fast moving, high growth, entrepreneurial environment.
• Need to work on Git and work in a highly collaborative environment.
• Good communication skills and timely reporting are required.
• Ensure full legal and ethical compliance and conduct of business at all times and under all circumstances.
• Attention to detail needed to maintain a global standard of work output.
• Supervise, mentor, coach a small team of associates on a day to day basis for better management of the collective performance.

Role requirements:

• 2 to 6 years of experience in the IT industry
• 2+ years of hands-on front-end experience working with incremental versions of Angular
• Practical work knowledge of Semantic & Accessible HTML.
• Practical work understanding of Modern CSS techniques, as well as experience working with common CSS libraries like PostCSS, TailwindCSS, etc.

• Strong problem-solving ability 

• A good team player
• Graduate degree (B.Tech/ BSc. IT) in IT/Engineering/Computer Science

**About Company**
SleepyCat is India's First Mattress-In-A-Box brand! We deliver luxury mattresses, at a fraction of the usual cost, straight from our factory to your doorstep in an easy-to-carry package. 
In sleepycat we constantly thrive to make our products and customer experience better using technology.

**About Role**
We are currently looking out for a frontend developer who is motivated to learn and work on challenging projects. You should have a product mindset with great technical skills. In sleepycat we promote new and fresh ideas which can directly or indirectly help customer experience and sales. Sleepycat provides to you platform to bring your thoughts into action and implement them.

Technical skills required (expertise in atleast two of these): Javascript, CSS, PHP

**Personal and Domain Growth Initiatives**
1. In SleepyCat we promote career growth. Once you are settled and have completely owned the system you are hired for, you have the freedom to pick some other technologies inside SC. You will be given time to learn and contribute. Right now we have Web Development (PHP/JS), ReactJS and Ruby on Rails. So you have the freedom to utilize 30% of your time on any of these languages if you wish to and remaining 70% on your primary domain.
2. We also promote self-growth. You can utilize 10% of your time to learn any skill you want and we will help you with that. It is not restricted to the tech domain, could be anything from marketing to sales to personality development.

**Interview Process Details**
***Technical Round 1: Development Knowledge Round***
We will test your skills in 3 domains
understanding an existing written code and ability to make changes
coding a logical question to test basic coding skills
ability to think of test cases to write a full proof code
***Technical Round 2: Coding Round***
45 minutes coding round where you will be required to code live sharing your screen. On the spot problem will be given.

**Additional details**
Website: https://sleepycat.in/
Work Culture: 6 days(All Saturday half day)
Office Location: 91Springboard, Kalina, Mumbai
Employee Strength: 40+ Employees
Founded: 2017
Funding: $1.6 Million

Read about Sleepycat and funding on Crunchbase: https://www.crunchbase.com/organization/sleepycat
Learn what employees say about Sleepycat on Glassdoor: https://tinyurl.com/r9oqfkl
Checkout what people say about SleepyCat products on Google: https://tinyurl.com/rco3nqr