ReactJS Developer

Role: React UI Lead

Exp: 8+ Years

CTC: up to 30 LPA

Mode of Interview: 2 rounds onsite + 2 online

Required Skills and Qualifications: 

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent work experience). 
• Proven experience (>8 years) as a UI developer with expertise in HTML5, CSS3, JavaScript/TypeScript 
• Proven experience in front-end frameworks React (must), Angular(good to have), Vue.js(good to have). 
• Solid understanding of responsive web design, accessibility, and cross-browser compatibility. 
• Experience leading a team of UI developers in an agile environment. 
• Strong problem-solving skills and ability to troubleshoot complex issues. 
• Excellent communication skills with the ability to collaborate effectively with cross-functional teams. 
• Experience with version control systems (e.g., Git) and CI/CD pipelines. 
• Experience with UI testing frameworks and tools (e.g., Jest, Cypress) is a plus. 
• Knowledge of UX design principles and familiarity with UX design tools (e.g., Sketch, Adobe XD) is desirable. 
• Ability to prioritize and manage multiple tasks in a fast-paced environment. 
• Experience building a UI for multi-tenant SaaS platform. 

Location: Mumbai

Experience Required: 2+ Years

Job Type: Full-Time

Notice Period: Immediate Joiners

About the Role

We are seeking a skilled and experienced Front-End Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.

Mandatory Criteria

• Candidate must be currently working or have prior experience in a product-based software development company
• Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)

Key Responsibilities

• Develop and maintain responsive, high-performance web interfaces using React.js
• Translate UI/UX designs into pixel-perfect, reusable front-end components
• Optimize components for maximum performance and cross-browser compatibility
• Integrate front-end components with backend RESTful APIs
• Collaborate with design, backend, and QA teams to deliver seamless user experiences
• Participate in code reviews, testing, and agile development ceremonies

Required Skills

• Strong proficiency in JavaScript (ES6+), React.js, HTML5, and CSS3
• Experience with state management libraries such as Redux or Zustand
• Solid understanding of responsive design and cross-browser compatibility
• Familiarity with RESTful APIs and API integration
• Knowledge of version control systems like Git
• Understanding of performance optimization, debugging, and front-end testing practices

About Company: 

Espressif Systems (688018) is a public multinational, fabless semiconductor company established in 2008, with headquarters in Shanghai and offices in Greater China, India, and Europe. We have a passionate team of engineers and scientists from all over the world, focused on developing cutting-edge Wi-Fi and Bluetooth, low-power IoT solutions. We have created the popular ESP8266 and ESP32 series of chips, modules, and development boards. By leveraging wireless computing, we provide green, versatile, and cost-effective chipsets. We have always been committed to offering IoT solutions that are secure, robust, and power-efficient. By open-sourcing our technology, we aim to enable developers to use Espressif’s technology globally and build smart connected devices. In July 2019, Espressif made its Initial Public Offering on the Sci-Tech Innovation Board (STAR) of the Shanghai Stock Exchange (SSE). 

Espressif has a technology centre in Pune. The focus is on embedded software engineering and IoT solutions for our growing customers.

About Role: 

https://rainmaker.espressif.com/">ESP RainMaker provides a complete solution to makers to develop connected devices with ease. It also focuses on solving a major challenge about how the quality of connected devices can be improved. It constitutes device-side SDK, mobile apps and a cloud application. This role requires product engineering for the web UI for the RainMaker cloud.

Minimum Qualification: 

• BE/B.Tech in Computer Science with 5 to 10 years of experience
• Strong Computer Science Fundamentals

• Excellent understanding of UX and design sensibilities

• Design, develop, and test UI for web applications
• Experience with one or more of these: React, Redux, Webpack, ES6, Async JS Communication, WebSockets
• Strong debugging and troubleshooting skills
  
  

Desired Qualification:

• Significant experience with JavaScript, React and Redux.
• Experience in consumption of cloud services and REST interfaces (implementation experience would be added advantage)
• Experience with CSS pre-processors like LESS or SASS
• Expertise with cross-browser, cross-platform, and responsive design
• Solid understanding of user interactions required for Single-Page Applications
• Experience with modern browser technologies

Responsibilities: 

• Designing and developing User Interface for web applications
• Write code based in HTML, CSS, JavaScript and ReactJS
• Accurately translate user and business needs into functional, secure and efficient frontend design and code
• Experience and desire to take product/feature ownership from delivery and customer support perspective
• Collaborate with backend and quality engineers to spec, write, test, and deploy code that integrates with data streams and API endpoints
• Utilise responsive design techniques and ensure cross-browser compatibility
• Perform code reviews and improve/ensure the quality of product

What to expect from our interview process

• The first step is to email your resume or apply to the relevant open position, along with a sample of something you have worked on such as a public GitHub repo or side project etc.
• Next, post shortlisting your profile recruiter will get in touch with you via a mechanism that works for you e.g. via email, phone. This will be a short chat to learn more about your background and interests, to share more about the job and Espressif, and to answer any initial questions you have.
• Successful candidates will then be invited for 2 to 3 rounds of the technical interview as per the previous round feedback.
• Finally, Successful candidates will have an interview with HR.

What you offer us

• Ability to provide technical solutions, support that fosters collaboration and innovation.
• Ability to balance a variety of technical needs and priorities according to Espressif’s growing needs.

What we offer

• An open-minded, collaboration culture of enthusiastic technologist.
• Competitive salary
• 100% company paid medical/dental/vision/life coverage
• Frequent training by experienced colleagues and chances to take international trips, attend exhibitions, technical meetups and seminars.

Senior Flutter Developer

Position: Senior Flutter Developer
Experience Required: up to 4 years
Positions: 03

About us:

Saakh is building a social networking platform for businesses who sell on credit in order to solve for their payment collection challenges faced by every seller on a day to day basis. Our vision is to make payments collections timely and automatic for these businesses. Saakh is building a community of trustable businesses. We are building an eco-system where a business who has cheated once cannot ever cheat again.

Job Description:

You will be responsible for User Interface development of Saakh’s android/IOS based mobile applications. You will work closely with founder and CTO to discuss the strategy and to implement the said aforesaid within the deadlines. Saakh is a fast-moving start-up who is at the early stages, timely execution is of paramount importance.

Job Responsibilities:

• Design and develop high-volume, low-latency applications for mission-critical systems,

delivering high-availability and performance

• Contribute in all phases of the development lifecycle: concept, design, build, deploy, test,

release to app stores and support.

• Diagnose performance issues, fix bugs (including crashes and ANRs) to increase the

functionality of the application

• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and

presenting these for architectural review

• Collaborate with team members (product managers, developers, designers) to brainstorm

about new features and functionalities.

Desired Profile:

• Experience required - 4 Years
• Tech, MCA, M. Tech degree in Computer Science Engineering or a related subject
• Proficient in Java/Kotlin programming
• Knowledge and experience in Flutter Framework and DART programming
• Hands on experience in using RESTful APIs
• Hands on experience in designing and developing micro-services architecture and

containers

• Object oriented analysis, UML and design using common design patterns.
• Hands on experience in development IDE Android Studio, Android SDK, Firebase Test

Lab

• Experience with offline storage, threading, and performance tuning
• Familiarity with push notifications
• Familiarity with IOS integration with Flutter
• Experience using GitHub or similar environment
• Complete understanding of SDLC
• Experience with Agile development
• Experience with Material Design and Android UI design principles, patterns and best

practices

• Good knowledge of adding third-party libraries
• Ability to understand business requirements and translate them into technical

requirements

• Working knowledge of the general mobile landscape, architectures, trends, and emerging

technologies

• A track record of delivering successful complex consumer product apps (finance apps,

e-commerce apps)

• Critical thinker
• It is must to have a high sense of integrity.

Are you one of us?

We welcome you to Saakh’s family.

The ideal candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications for the company. Using React Js, MySQL, JavaScript, HTML, and CSS, this candidate will be able to translate user and business needs into functional frontend design. 

Responsibilities

- Must have

    - Experience with React and Redux or similar programming

    - Experience in Rest API integration

    - Passionate about user experience

     - Android and IOS development

- Other requirements

    - Good knowledge of Javascript functions and operators

    - Responsibility for major tasks and chores

    - Willing to resolve technical debt in the early step

    - Good understanding of sprint cycle in agile

    - Can communicate with developers and non-developers

    - Can work independently but a great collaborator

    - Serverless API experience is not counted

    - Good to have Git workflow knowledge

    - Good to have Github collaboration experience

Qualifications

• Bachelor's degree or equivalent in Computer Science
• 2+ years experience in frontend development
• Familiarity using Scrum/Agile development methodologies
• Experience building object-oriented web applications in React Js, MySQL, JavaScript, HTML5, and CSS3

JD for Below position-

Preferred Technical Expertise-

1. Expertise in front end web application development
2. Solid Understanding of Javascript, JQuery.
3. Experience in HTML, CSS and Bootstrap library is required.
4. Experience with Django Framework.
5. Experience with source code versioning tools such as GIT, Bitbucket etc.

Secondary Skills/Good to have Skills:

1. Experience in developing REST API is a plus.
2. Experience in Python Programming is a plus.
3. Experience in Pandas and Numpy Libraries is a plus.
4. Experience with SQL is a plus.
5. Experience with any cloud platform ( GCP is a plus )

Responsibilities

• 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 Qualifications

• Proficiency with JavaScript and HTML5
• Professional, precise communication skills
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Creating self-contained, reusable, and testable modules and components
• Ensuring a clear dependency chain, in regard to the app logic as well as the file system
• Ability to provide SEO solutions for single page apps
• Extensive knowledge of CSS and JS methods for providing performant visual effects and keeping the framerate above 30fps at all times
• 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 code, and resorting to advanced techniques such as multi-threading, when needed
• Creating custom, general use modules and components which extend the elements and modules of core AngularJS
• Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource
• 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
• Documenting the code inline using JSDoc or other conventions
• Writing extensive unit tests using automated TDD tasks
• Creating e2e test suites for all components, and running them with Protractor (or a well reasoned alternative)
• Creating configuration, build, and test scripts for Continuous Integration environments