React/React-Native developer

About the Role

We are seeking a creative and technically strong Frontend Developer with expertise in 3D animations to join our team. You will play a key role in building interactive, visually engaging, and high-performance web applications using modern frameworks and 3D libraries. This role involves close collaboration with designers, product managers, and backend engineers to deliver immersive digital experiences.

Key Responsibilities

• Develop and maintain responsive, user-friendly web applications.
• Implement 3D models, animations, and interactions using Three.js, WebGL, or Babylon.js.
• Collaborate with UI/UX designers to transform creative concepts into smooth, interactive experiences.
• Optimize performance for real-time rendering and animations across devices and browsers.
• Integrate backend APIs for data-driven 3D visualizations and dynamic content.
• Stay updated with the latest trends in frontend development, 3D frameworks, and animation tools.
• Ensure cross-browser compatibility, scalability, and maintainability of code.

Required Skills & Qualifications

• 3+ years of professional experience as a Frontend Developer.
• Strong proficiency in HTML5, CSS3, JavaScript (ES6+).
• Experience with React.js / Next.js (or other modern frontend frameworks).
• Hands-on expertise in 3D libraries: Three.js, WebGL, Babylon.js (or similar).
• Knowledge of animation frameworks: GSAP, Framer Motion, Anime.js.
• Strong understanding of rendering performance optimization (shaders, textures, lighting).
• Familiarity with design tools: Figma, Adobe XD, Blender, or similar.
• Excellent problem-solving, debugging, and communication skills.

React Native Developer

  - Experience: 3-5 years

  - Industry experience: IT, preferably service-based

  - Budget: 6-8 LPA

  - Openings: 1 Opening

Expertise in JavaScript.

Experience with React Native.

Ability to work in collaborative team environment.

Solid understanding of asynchronous programming, ES6, closures, and types.

Be autonomous and self-driven.

• · 3+ years of software engineering experience primarily leveraging ReactJS. · Strong engineering and technical background with demonstrable enterprise development experience using ReactJS and RESTful APIs. · Deep understanding of JavaScript/Typescript, HTML5 and CSS. · Experience using Redux, Web Workers and PWAs. · Experience with continuous integration and build (CI/CD) process & tools. · Proven ability to quickly understand functional requirements and technical concepts. · Experience with TDD and familiarity with testing frameworks, ideally Cypress, Selenium and PACT. · Exposure to mobile development via React Native an advantage. GitHub portfolio an advantage.

1. 1. Experience with React JS, React Native, JavaScript including DOM Manipulation and the JavaScript object model.
   2. Thorough understanding of React Native and its core Principles.
   3. Hands on experience on React Native Framework at least 1 year.
   4. Understanding of native build tools like Xcode, Gradle etc.
   5. Capability to write Well-documented code with Javascript that is easily readable.
   6. Good Knowledge of HTML5, CSS.
   7. Familiarity with code versioning tools (Such as Git or SVN)
   8. Knowledge about Offline Storage, REST APIs, and document request model
   9. Familiarity with modern front-end build pipelines and tools.
   10. Experience with common front-end development tools such as Babel, Web pack, NPM and YARN etc.
   11. Experience with Native Mobile app deployment on App store and google play store.

Work Responsibilities

• What You’ll Do:
• Engineers will develop and improve features for products such as WebView pages called from within Mercari’s web version and native app, along with tools used by the Customer Support Team for answering user inquiries and providing transaction support.
• Senior engineers in the Frontend Team are expected to use their technical skills to lead the team and product development, train members through design and code reviews, and make contributions and improvements to the hiring process, including technical tests.
• Development Environment:
• Languages: HTML, CSS, JavaScript, TypeScript, React, Gatsby, Next.js, GraphQL, Apollo Client, Redux, Cypress, Rendertron, Lit, Playwright
• Infrastructures: Google Cloud Platform (Compute Engine, Kubernetes Engine, App Engine)
• Configuration management tool: Terraform
• Other: Circle CI, GitHub, Slack, JIRA, Crowi, Spinnaker, Datadog

Minimum Requirements

• Shared understanding and belief in Mercari Group's mission and values
• At least 3 years of experience in development related to frontend fields such as web browsers, JavaScript, TypeScript, React.js, Next.js, or Redux
• Experience with developing and operating large-scale products
• Ability to design and develop with performance and scalability in mind
• Ability to use HTML and CSS to implement solid user interfaces
• Knowledge of JavaScript and experience developing with UI libraries or frameworks such as React, Vue.js, and Angular
• Able to understand and explain web operation principles and browsers
• Understanding of version management and ability to participate in development via Git
• Effective communication skills, needed for product development with team members and with other teams

Preferred Requirements

• Extensive knowledge of standard web technologies and specialized knowledge in some areas, like TypeScript, React.js, Next.js, Redux
• Understanding of the characteristics of different libraries/frameworks and the ability to introduce them to projects where necessary
• Ability to design architecture based on the characteristics of the app
• Ability to consistently take initiative in implementing improvements to the app
• Project management and/or team leadership
• Cloud development experience (preferably GCP or AWS)
• Experience contributing to an open-source project
• Familiarity with CI systems and the release process

Working Conditions

Employment Status

Full-time

Office

Bangalore

• Hybrid Workstyle

Job Description:

• Building reusable components.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
• Understanding of ESLint and react pattern.
• Responsible for development of new highly-responsive, web-based user interface
• Construct visualizations that are able to depict vast amounts of data
• Work and collaborate with the rest of the engineering team
• Learn and understand user interactions
• Develop a flexible and well-structured front-end architecture, along with the APIs to support it

Skills and Experience

• 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 and data structure libraries
• 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
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools such as Git

Experience 2 years

Location: Mohali (Chandigarh)

Salary: 4-6 LPA

SaaS-Nest is a product-based company headquartered in Jaipur, Rajasthan. We have started our journey in February 2022 with a vision to transform HealthCare by technology. We are closely associated with Synergy Health 360, a US based healthcare organization. We have a team of experienced medical professionals to provide insights and innovation ideas which in turn is implemented by a perfect blend of young and qualified IT professionals.  

About Team & Product/Project Details 

We are building a health and wellness technology platform to cater the needs of US Healthcare market. Our product is aimed to provide anywhere/anytime access to Primary Care Physician and telehealth platform to patients and simultaneously provide better management options to providers for in-person and telemedicine appointments. The product will be EMR agnostic, scalable and provide licensed access to an integrated network of specialty services and predictive modeling technology. 

 
SaaS-Nest Technologies Pvt. Ltd. is seeking an entry level Frontend Software Engineer to work as a key team member developing web-based solutions. The ideal candidate will possess a solid knowledge of frontend development.  

What you will be doing 

 
The Software Engineer will be working as part of an agile team with other passionate, driven, and talented people, creating healthcare solutions. Your primary responsibilities will include developing interactive web-based, mobile, and/or desktop applications using SaaS-Nest as well as industry best practices to deliver high value and quality to users. 

What you bring (Experience Level & Mandatory Skills in potential candidate) 

• Candidate should have strong fundamentals in modern frontend frameworks (Angular, React or others).
• Hands on experience in JavaScript, TypeScript, modern frontend frameworks.
• Good communication & presentation skills.

 
Desired Skills, Qualifications and Technical Requirements 

• Graduate in Computer Science and/or Engineering.
• Hands-on knowledge of HTML5, CSS3, JavaScript, TypeScript, NPM
• Knowledge/Experience of modern web frameworks.
• Good knowledge of Object-Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015
• Good understanding of creational and structural design patterns in JavaScript
• Knowledge/Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of the Web Components standard.
• Understanding of SEO and accessibility and making it part of the development workflow.

Bonus if you have 

• Healthcare Industry experience
• Familiarity of working with TDD in JS with the help of frameworks like Jasmine, Mocha, Karma etc is a plus

Human Resources 

SaaS-Nest Technologies Pvt. Ltd. 

• Have 3 - 6 years of experience working in a high speed Product B2B start up doing Full-stack or ReactJS software development
• Have demonstrated experience in Front-end developer tooling, React js and its core principles
• Have experience with popular React js workflows (such as Hooks and Redux), React Material UI,Data structure libraries (e.g., Immutable js)and with RESTful APIs
• Have experience in debugging, problem-solving, and improving application performance. 
• Are willing to learning new technologies on your own.
• Have knowledge in best practices for the whole software development cycle (TDD/CI/CD) and agile methodologies.
• Have good knowledge of version control.
• Have the ability to use a wide variety of open source technologies and tools. 
• Have good communication ability and can articulate business needs and translate them into technology solutions.