React Native Developer

Senior Frontend Engineer

Location - Bangalore

We are looking for a Senior Frontend Engineer to help shape, scale, and continuously improve the user experience. In this role, you will take technical ownership of complex, data-rich frontend applications and play a key part in defining frontend standards and best practices across teams.

What You’ll Do -

• Design and build modern web applications used to visualize and interact with complex industrial data.

• Take end-to-end ownership of frontend features from discovery to release and iteration.

• Drive frontend architecture, performance optimization, and technical quality.

• Collaborate closely with Product, Design, and Backend Engineering.

• Mentor peers and contribute to raising frontend maturity across teams.

• Working directly with clients and managing stakeholder expectations.

What we're looking for -

• A minimum of 8-12 years of expertise with TypeScript and JavaScript.

• Hands-on expertise with a modern frontend framework - Angular.

• Strong hands-on experience with Node.js and backend/service development.

• Hands-on expertise in Object Oriented Design and Development.

• Solid understanding of frontend architecture and API integration.

• Hands-on experience using Jasmine, Karma with Angular.

• Exposure to AI technologies, LLM-based applications, AI APIs, or Generative AI platforms.

• Strong understanding of UX/UI principles and the ability to collaborate effectively with design teams.

Key Responsibilities

• Develop new user-facing features using React.js and related libraries.
• Build reusable components and front-end libraries for future use.
• Translate designs and wireframes into high-quality, responsive code.
• Optimize components for maximum performance across a variety of web-capable devices and browsers.
• Collaborate with designers, product managers, and backend developers to deliver seamless user experiences.
• Debug and fix performance and UI issues.
• Write clean, maintainable, and testable code.
• Stay up-to-date with the latest trends and best practices in front-end development.

Required Skills & Qualifications

• Strong proficiency in JavaScript (ES6+), React.js, and Redux (or similar state management libraries).
• Experience with HTML5, CSS3, SASS, and responsive design principles.
• Familiarity with RESTful APIs and JSON.
• Understanding of Git and version control workflows.
• Knowledge of Webpack, Babel, or similar build tools.
• Good understanding of component-based architecture and front-end design patterns.
• Excellent problem-solving and debugging skills.
• Strong communication and teamwork abilities.

Preferred Qualifications (Nice to Have)

• Experience with TypeScript.
• Familiarity with Next.js, React Query, or React Router.
• Experience with Unit Testing frameworks (Jest, Enzyme, React Testing Library).
• Basic knowledge of Node.js or Express.js.
• Familiarity with CI/CD pipelines and DevOps tools.
• Exposure to Agile/Scrum methodologies.

Strong React Native Frontend / Mobile Developer Profile

Mandatory (Experience 1) – Must have minimum 5+ YOE in React Native with JavaScript (including ES6+ syntax).

Mandatory (Experience 2) – Must have 4+ years of hands-on native mobile development experience for both Android and iOS platforms

Mandatory (Skills 1) – Must have expertise in state management using React Hooks & Redux for efficient data flow.

Mandatory (Skills 2) – Must have experience in publishing apps to Play Store and App Store.

Mandatory (Education) - B.E / B.Tech

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

React JS Developers

Experience: 3-6 Years

Location: Bangalore (onsite)

Responsibilities:

Design and implement user interface components for JavaScript-based web applications

using React JS

 Work as a part of a small team that includes other react JS developers, designers, QA

experts, and managers

 Build app and UI components from prototypes and wireframes

 Built REST APIs for tight integrations with the Backend

 Write automated tests to ensure error-free code and performance

 Improve front-end performance by eliminating performance bottlenecks

 Create front-end modules with maximum code reusability and efficiency

 Work with third-party dependencies and APIs

 Work with Redux architecture to improve the performance of the websites/mobile apps

 Coordinate with the cross-functional teams to build apps in the stipulated time/budget

 Knowledge of TypeScript 

 Knowledge of HTML, JavaScript, CSS, Bootstrap

 React routing, React Hooks, Internationalization

About us:

HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.

We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.

To know more, Visit! - https://www.happyfox.com/

We’re looking for an experienced Technical Lead – Frontend Engineer to join our growing engineering team to help build and maintain HappyFox’s product offerings. 

What you can expect as a Technical Lead at HappyFox:

• You will consistently ship features and improvements and lead a team of engineers working on our product roadmap.
• You will oversee software architecture, Git workflows, and CI/CD processes and perform code reviews to ensure exceptional code quality.
• You will actively work towards identifying, minimizing, and managing technical debt in the codebase.
• You will improve the development experience and the quality of the codebase. 
• You will define our internal standards for coding style, maintainability, and best practices for a large-scale web application. 
• You will uphold the best practices and coding standards for the team through code review and technical feedback.
• You will take responsibility for key technical architecture and design decisions.
• You will take ownership of the stability and performance of the services that you work on.
• You will contribute to the strategic vision and long-term roadmap in your area of expertise.

You should apply if:

• You have 2+ years of experience in a technical lead role designing and building single-page web applications.
• You have 8+ years of relevant professional experience in building web applications with javascript frameworks like Ember.js or React.js.
• You have deep knowledge of HTML, CSS, and JavaScript
• You have experience building single-page apps and a good understanding of the best practices and coding patterns.
• You have a passion to dig into technically complex problems to troubleshoot and figure out a solution.
• You have a desire to continuously improve and ship the best quality product.
• You have a pragmatic approach to making sure technical decisions align with actual business needs.
• You have a good understanding of the trade-offs when building for product value, reliability, or performance.
• You have excellent communication skills with the ability to discuss and explain your point of view clearly and effectively.

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. 

Skills:   

• Minimum 5 years of experience as a Front-end Developer
• Responsive/Mobile Design Skills
• Cross-Browser Development
• JavaScript frameworks like NodeJS, ReactJS etc.
• Front End Frameworks like Bootstrap
• Worked on markup languages like HTML, HTML5
• Worked on JavaScript, CSS and jQuery
• Excellent knowledge of browser troubleshooting and debugging practices and techniques
• Knowledge of some SEO principles
• Knowledge of graphics software such as Adobe Suite, Photoshop etc.
• Sense of ownership and pride in your performance and its impact on company’s success
• Critical thinker and problem-solving skills
• Team player
• Good time-management skills
• Good interpersonal and communication skills

To know more about Srijan Technologies, visit the following:

Website: http://www.srijan.net/">http://www.srijan.net/

Twitter: https://twitter.com/Srijan">https://twitter.com/Srijan 

LinkedIn: https://www.linkedin.com/company/srijan-technologies-pvt--ltd-">https://www.linkedin.com/company/srijan-technologies-pvt--ltd- 

Facebook: https://www.facebook.com/SrijanOne