
Job title: React.js Developer
Location: Gurugram (Onsite)
Notice: Immediate joiner
Responsibilities:
• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.
Requirements:
• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.
- Basic knowledge of Data Structure and Algorithm required

About Sunday Labs
About
Similar jobs
Required Experience Benchmarks:
● Scale Experience: 5k+ concurrent users OR systems handling multiples of thousands
of RPS
● React Native Mastery: 6+ years, including custom native modules and performance
optimization
● Mobile Performance: Experience with apps maintaining sub-200ms load times on
budget Android devices
● Offline Architecture: Built apps that function seamlessly with intermittent connectivity
● Growth Engineering: A/B tested mobile features with statistical significance
Technical Stack & Expertise:
● Frontend: React Native, TypeScript, Redux Toolkit, RTK Query
● Performance: Flipper, custom performance monitoring
● Testing: Automated visual regression testing and other tools
● CI/CD: Mobile deployment pipelines, feature flags, gradual rollout
About SATISFIC
Satisfic is focused on the areas of the IT channel marketing. As the channel catalyst, we connect and empower technology suppliers, solution providers and end-users. Headquartered in Singapore and with teams across key countries in APAC, Satisfic leverages its regional service delivery capabilities to help IT channel succeed and grow.
Please visit our site at http://www.satisfic.com">www.satisfic.com for further details.
What you will be doing:
- SATISFIC is a product-based company; hence will be required to work on product development and support.
- Need work on the following technologies – Angular, Core Web API and PostgreSQL.
- SATISFIC’s product is hosted in AWS. This will provide you with an opportunity to work on the latest cloud technologies
- Coding computer programs.
- Support day to day software development activities as assigned by Software Engineering Leader/Manager.
- Timely completion of daily assigned projects as per requirements
- Complete adherence to all metrics and parameters associated with each project through completion of project.
- Effective Time management.
- Mentor and assist Trainee/ Junior Software Engineers to complete assigned tasks.
- Completing assigned projects on time within set quality parameters.
- Check coding standards and deliverables against each project/product specifications for their own and their junior engineers before delivery.
- Develop module specification documents for internal purpose.
- Ensure compliance/closure of Regulatory and Quality requirements before approving Design Outputs/Program Deliverables.
- Lead continuous improvement activities by driving the implementation of process and product quality improvement initiatives.
- Develop innovative solutions that improve the efficiency and reliability of the deliverables and system.
About your experience:
- 3-4 years of proven experience in Angular 2 or higher, typescript and web mark up.
- Proficiency with building responsive web application with HTML 5, CSS and related frameworks (Bootstrap, Materialize)
- Proficient in CSS, HTML, and writing cross-browser compatible code.
- Knowledge & experience to user REST APIs using JSON data and best practices related to their implementation.
- Knowledge & Experience in Node JS
- Firm grasp of UI/UX principles, ability to convert UX designs into deliverables.
- Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
- Strong interpersonal and communication skills
- Strong analytical abilities
- Project and time management skills
- Quick learner with a positive attitude
Qualifications:
- Master’s / Bachelor’s degree in Computer Science, Software engineering or related area from a good institute is preferred
Reports to: Lead – Software Engineering
About us:
At Priori Capital, we are building The financial SaaS for the Businesses operating with digital assets by empowering the teams to operate in an effective, efficient and error-free manner by bringing all things finance on one platform. We aim to solve digital asset management for institutions offering cryptographic security, user management setup and secure access to the blockchain ecosystem.
We’re looking for someone passionate about driving innovation and solving exciting problems.
What are you joining:
- We are currently in a fast-paced growth environment where the only constant is evolution!
- Our team includes individuals with experience in internationally known blockchain and fintech companies like Polygon (Matic), udaanCapital, Iris, Infosys, Cognizant etc.
- We are an early stage start-up with funding from founders of Polygon and a part of the Kira community.
What will you do:
- Design to simplify the complexity - Work with our designers to simplify the systems that are working across chains, protocols or existing financial systems.
- Build for the future of finance - Build, deploy and come back to the whiteboard with the core team to innovate, ideate and scale solutions.
- Own your ship - Be responsible to build framework components, own the development process and drive the development cycle to improve transparency and productivity across the team.
What are we looking for:
- 2+ years of experience in Frontend Engineering building scalable web applications: Experience in web3/fintech is not a mandate to apply. You learn as you go!
- You should be good at your game: Detailed oriented and have a thorough knowledge of JavaScript, HTML5 and CSS3 & hands-on experience with either of VueJS, Angular, React OR similar.
- You have a strong bias for action: You seek problems. If you see one, you find the solution. If you have one, you should be already building it. If it fails, you move to the next!
- You want to grow but together: You want to learn and master new skills by tackling new problems with the team
We are more excited if you have this:
- Knowledge of Git, GraphQL, Flux, Webpack, etc.
- Good at analytical problem solving, know-how of core computer science and algorithms.
- Interested in blockchain or finance.
- Experience in Fintech or Web3 Applications
Benefits:
- Learn from the best!
- Work from wherever
- Self-managed leave policy
- Focus on Work-life Balance
- Learning Budget to hone a skill or learn new ones
- Be a part of the fast-growing environment
- Competitive Salary
Job Description:
Front end developers are required to work in teams alongside back end developers, graphic designers, and user experience designers to ensure all elements of web creation are consistent.
Responsibilities:
-
Experience in developing apps using Reactjs with Redux, React hooks, react-router with Javascript ES6
-
Developing new user-facing features using React.js
-
Integrate APIs with frontend components using React.js
-
Ensuring user experience determines design choices.
-
Developing features to enhance the user experience.
-
Striking a balance between functional and aesthetic design.
-
Ensuring web design is optimized for smartphones.
-
Building reusable code for future use.
-
Optimizing web pages for maximum speed and scalability.
-
Utilizing a variety of markup languages to write web pages.
-
Maintaining brand consistency throughout the design.
Front End Developer Requirements:
-
Degree in computer science or related field.
-
Understanding of key design principles.
-
Proficiency in React.js,HTML, CSS, JavaScript, and jQuery.
-
Understanding of server-side CSS.
-
Experience with graphic design applications such as Adobe Illustrator.
-
Experience with responsive and adaptive design.
About CercleX:-
CercleX is a digital technology platform which is a leading https://cerclex.com/blog/waste-management-in-india/">waste management company in India with an extended outlook of circularity through its various ventures into the field of sustainability.
We have received FICCI Impactful Cleantech Startup Award, MeitY Emerging Startup Award, TVS Capital Budding Nxt Gen Entrepreneur Award, and many more for our digital solutions enabling transactions between waste generators, and aggregators, processors, and bringing in complete transparency, traceability to the waste ecosystem.
https://play.google.com/store/apps/details?id=com.scrapmarketCCX">Cercle X ScrapMarket is an app that helps you buy and sell scrap by connecting 100% verified buyers and sellers of scrap across India. CercleX helps brands to accomplish their sustainability targets with https://cerclex.com/extended-producer-responsibility/">Extended Producer responsibility and research solid waste managemet on the environment to ensure the environment is eco-free.
Designation: React.js Developer (Frontend)
Department: Software Engineering Team
Location: Bangalore
Qualification: Any Computer (Graduate or Post Graduate)
Experience: 5+ years of relevant experience in developing and implementing user interface components using React.js concepts and workflows (Redux, Flux, and Webpack).
Responsibilities:
- Developing and implementing highly-responsive user interface components using React concepts.
- Developing and implementing front-end architecture to support user interface concepts.
- Building reusable components and front-end libraries for future use
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Monitoring and improving front-end performance.
- Prepare technical documentation
- Collaborate with UX/UI designers to implement design into the code
- Coach junior team members
- Implement software enhancements and suggest improvements
Skills Required:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Preferred to have experience in Javascript, CSS, HTML, and Photoshop (any wireframing tool)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Familiarity with React Native, NodeJS is a plus
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Good communication skills. Ability to understand business requirements and translate them into technical requirements
- Good understanding of computer science fundamentals - data structures, algorithms, memory management, performance.
- Enjoys coding and problem solving
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
Salary: Upto 18LPA (Negotiable)
IMMEDIATE JOINING PREFERRED!
- 2-3 yrs of strong experience in building mobile web frontend for b2c products using React.
- Understanding of server side rendering, nextjs.
- Ability to build progressive web applications with optimized lighthouse score.
Required Skills/Experience
If a misaligned shadow bothers you, we already like you 😆
- Master's / Bachelor’s degree in Computer Science, Software Engineering, or Self taught developer.
- 3+ years of experience in fundamentals of web, HTML, CSS and JavaScript.
- Familiarity with JavaScript frameworks such as Vue or React.
- Understanding of product design, user experience and skills to recreate and match high quality pixel perfect designs and can go above and beyond in detailing.
- Has ability to build a ground up resoluble components and in-house UI system that can scale across the product.
Responsibilities
A collaborative role with Individual ownership ✅
- Ownership of developing UI related features. Work with with the rest of the engineering team to develop, launch or maintain features.
- Take ownership of design <> dev collaboration and participate in the education of both sides.
- Work closely with design team and become a bridge between engineering and design.
- Maintain code integrity.
POSITION SUMMARY:
The primary responsibility of this position is to work under prototype team, to develop/maintenance the current system.
KEY RESPONSIBILITIES AND DUTIES:
- Develop new components
- Maintenance of existing components
- Design and Documentation of the newly created job
- Attend and resolve JIRA tickets
- Design & development of screens as per requirments
QUALIFICATION
- Hands on technical resource.
- 3 – 6 years’ experience.
- Mandatory Skills:
- lit-element/lit-html+Angular2+//React/Vue/Stencil(Experience in at least 1 of these frameworks is must)
- HTML, HTML5, CSS, CSS3
- JavaScript, OOPS JavaScript, jQuery
- SQL, MySQL, database
- Optional:
- js
1. Experience and in-depth knowledge of HTML and CSS. (PRIMARY)
2. Knowledge of Principles of Responsive Web Design.
3. Experienced with JavaScript and ideally knowledge of one of these frameworks Angular, React, or Polymer.
4. Knowledge and experience integrating web apps with back-end using REST API's .
5. Knowledge of VC like Git.
Extras:
1. Principles of Web Performance Standards and PWA's.
2. Build and Automation tooling using a package like Gulp or Grunt.
3. Comfortable with the command line and usage of package managers like npm and gulp.










