React JS Developer

Hi,

Please refer to the below Job description and revert with you updated resume –

About Client: Digital accelerator to Startups, SMEs, MSMEs, and large enterprises with a significant contribution across 22+ industries including BFSI, Healthcare, Ecommerce & Retail, Education & eLearning, Insurance, Tech Startups, Government & Semi-Government, and more. Backed with an impressive experience of 25+ years and a fast-growing family of 4000+ engineering professionals our capabilities span across IT Consulting, Strategy Planning & Execution, Business Process Re-engineering, IT Modernization, and Business Analysis Consulting, our solutions are devised meticulously to address the needs of specific industries.

We are a CMMI Level 5 organization global IT Solution provider and Outsourcing company headquartered in Mumbai and footprints with 10 delivery centres in India and 15 global offices. Our success portfolio boasts of 7500+ projects accomplished across 1500+ clients in 50+ countries with client retention rate as high as 85%

Location: Navi Mumbai, CBD Belapur

Domain: Banking (Payment Gateway Project)

NOTE: 1st and 3rd Saturdays working as per banking norms

Education: B.E. or Graduation in Computer Science or related field

job Summary:

We are seeking a talented and motivated React.js Developer to join our development team. The ideal candidate will be responsible for designing and developing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will ensure that these components and the overall application are robust and easy to maintain.

You will coordinate with the rest of the team working on different layers of the infrastructure, including back-end services and APIs. Therefore, a commitment to collaborative problem-solving, sophisticated design, and quality products is essential.

Key Responsibilities:

Develop new user-facing features using React.js.

Build reusable components and front-end libraries for future use.

Optimize components for maximum performance across a vast array of web-capable devices and browsers.

Translate designs and wireframes into high-quality code.

Write clean, scalable, and maintainable JavaScript code.

Ensure the technical feasibility of UI/UX designs.

Collaborate with back-end developers and web designers to improve usability.

Debugging, troubleshooting, and enhancing application performance.

Stay updated with emerging trends and technologies in front-end development.

Skills and Qualifications:

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).

Familiarity with RESTful APIs and integrating them into front-end code.

Knowledge of modern authorization mechanisms, such as JSON Web Token (JWT).

Familiarity with modern front-end build pipelines and tools (e.g., Babel, Webpack, NPM, etc.).

Experience with code versioning tools such as Git.

Familiarity with browser developer tools and debugging.

Understanding of cross-browser compatibility issues and ways to work around them.

Familiarity with unit testing and testing frameworks (e.g., Jest, Enzyme, Cypress).

Ability to understand business requirements and translate them into technical requirements.

Preferred Qualifications:

Bachelor's degree in Computer Science, Software Engineering, or a related field.

Experience with TypeScript and GraphQL.

Experience with other JavaScript frameworks like Next.js or Gatsby.js.

Familiarity with CI/CD pipelines and containerized applications (e.g., Docker).

Good understanding of SEO principles and ensuring that application adheres to them.

Soft Skills:

Strong problem-solving skills and attention to detail.

Excellent communication and teamwork abilities.

Ability to work in a fast-paced environment and meet deadlines.

Open to learning new technologies and frameworks.

We are hiring an experienced Frontend Engineer to help us keep growing. We develop AI enabled products and solutions that are geared to help accelerate the development of new cures and reduce inefficiencies in how healthcare information is managed. If you're dedicated and ambitious, Applied Informatics is an excellent place to grow your career. Don't hesitate to apply.

As a frontend developer who is proficient with React.js, HTML, CSS, SASS, your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (Redux). You should have experience in technologies like JavaScript, React JS & Redux, HTML and CSS.

Responsibilities ;

- Developing new user-facing features using React.js

- Building reusable components and front-end libraries for future use

- Translating designs and wireframes into high quality code

- Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Skills :

- Strong proficiency in CSS,SASS, JavaScript, including DOM manipulation and the JavaScript object model

- Thorough understanding of React.js and its core principles

- Experience with popular React.js workflows (Redux)

- Familiarity with newer specifications of EcmaScript

- Familiarity with RESTful APIs

- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

- Ability to understand business requirements and translate them into technical requirements.

- Ability to learn new technologies quickly.

The process: a quick phone screen, technical interview, take-home exercise then a zoom call with the team.

About the Role

We are looking for a highly skilled and experienced Senior React Native Developer to join our team and take the lead on developing our cross-platform mobile application. You’ll play a critical role in building, launching, and scaling a high-performance mobile app that runs seamlessly on both iOS and Android platforms from a single codebase.

If you’re passionate about mobile technologies, have a strong command of React Native, and are excited about creating a high-quality product from the ground up, we’d love to hear from you.

Responsibilities

• Lead the end-to-end development of a cross-platform mobile application using React Native.
• Collaborate with product managers, designers, and backend engineers to deliver high-quality user experiences.
• Build reusable components and front-end libraries for future use.
• Optimize app performance for speed and scalability across devices and OS versions.
• Ensure the app complies with design standards and platform-specific guidelines (Apple App Store & Google Play).
• Set up CI/CD pipelines for automated builds, testing, and deployment (e.g., using Fastlane, EAS, or similar).
• Integrate RESTful APIs and third-party services.
• Handle app store submissions and updates.
• Mentor junior developers and enforce best practices in mobile development.

Requirements

Must-Have:

• 5+ years of experience in mobile application development.
• 3+ years of hands-on experience with React Native.
• Strong understanding of JavaScript (ES6+), TypeScript, and React architecture.
• Deep knowledge of iOS and Android mobile app development lifecycle.
• Experience with mobile UI/UX best practices and performance optimization.
• Familiarity with native build tools (Xcode, Android Studio).
• Experience integrating REST APIs and handling network latency issues.
• Proficient with Git, GitHub/GitLab, and agile development practices.
• Experience with push notifications, in-app purchases, deep linking, and analytics SDKs.

Preferred:

• Experience with Expo or EAS for managed workflows.
• Familiarity with mobile CI/CD pipelines (Fastlane, Bitrise, etc.).
• Experience with native modules (Objective-C/Swift and Java/Kotlin) as needed.
• Knowledge of automated testing frameworks (Jest, Detox).
• Published apps in both the App Store and Google Play.
• Prior experience in startups or high-growth environments.

What We Offer

• Opportunity to lead and build a product from the ground up.
• Work with a dynamic and talented team in a fast-paced environment.
• Flexible working hours and remote-first culture.
• Competitive salary and equity options (if applicable).
• Learning and development budget.

Avegen is a digital healthcare company empowering individuals to take control of their health and supporting healthcare professionals in delivering life-changing care. Avegen’s core product, HealthMachine®, is a cloud-hosted, next-generation digital healthcare engine for pioneers in digital healthcare, including healthcare providers and pharmaceutical companies, to deploy high-quality robust digital care solutions efficiently and effectively. We are ISO27001, ISO13485, and Cyber Essentials certified; and compliant with the NHS Data Protection Toolkit and GDPR.

Job Summary:

Senior Software Engineer will be responsible for developing, designing, and maintaining the core framework of mobile applications for our platform. This includes tasks such as creating and implementing new features, troubleshooting and debugging any issues, optimizing the performance of the app, collaborating with cross-functional teams, and staying current with the latest advancements in React Native and mobile app development. We are looking for exceptional candidates who have an in-depth understanding of React, JavaScript, and TypeScript, can create pixel-perfect UI, and are obsessed with creating the best experiences for end users.

Your responsibilities include:

1. Architect and build performant mobile applications on both iOS and Android platforms using React Native.
2. Work with managers to provide technical consultation and assist in defining the scope and sizing of work.
3. Maintain compliance with standards such as ISO 27001, ISO 13485, and Cyber Essentials that Avegen adheres to.
4. Lead configuration of our platform HealthMachine™ in line with functional specifications and development of platform modules with a focus on quality and performance.
5. Write well-documented, clean Javascript/TypeScript code to build reusable components in the platform.
6. Maintain code, write automated tests, and assist DevOps in CI/CD to ensure the product is of the highest quality.
7. Lead by example in best practices for software design and quality. You will stay current with tools and technologies to seek out the best needed for the job.
8. Train team members on software design principles and emerging technologies by taking regular engineering workshops.

Requirements:

1. Hands-on experience working in a product company developing consumer-facing mobile apps that are deployed and currently in use in production. He/she must have at least 3 mobile apps live in the Apple App Store/Google Play Store.
2. Proven ability to mentor junior engineers to realize a delivery goal.
3. Solid attention to detail, problem-solving, and analytical skills & excellent troubleshooting skills.
4. In-depth understanding of React and its ecosystem with the latest features.
5. Experience in writing modular, reusable custom JavaScript/TypeScript modules that scale well for high-volume applications.
6. Strong familiarity with native development tools such as Xcode and Android Studio.
7. A positive, “can do” attitude who isn’t afraid to lead the complex React Native implementations.
8. Experience in building mobile apps with intensive server communication (REST APIs, GraphQL, WebSockets, etc.).
9. Self-starter, able to work in a fast-paced, deadline-driven environment with multiple priorities.
10. Excellent command of version control systems like Git.
11. Working in Agile/SCRUM methodology, understanding of the application life cycle, and experience working on project management tools like Atlassian JIRA.
12. Good command of the Unix operating system and understanding of cloud computing platforms like AWS, GCP, Azure, etc.
13. Hands-on experience in database technologies including RDBMS and NoSQL and a firm grasp of data models and ER diagrams.
14. Open source contributions and experience developing your own React Native wrappers for native functionality is a plus.

Qualification:

BE/BTech/MS in Information Technology, Computer Science, or a related discipline.

• Create high-quality HTML files based on the latest HTML5.
• Conducting website performance and usability tests.
• Troubleshoot any issues with the website.
• Meeting publication deadlines.

• In-depth knowledge of front-end coding languages including HTML, CSS, JavaScript, and JQuery.
• Familiarity with CSS preprocessors such as Sass and Less.
• Strong attention to detail.
• Experience with Photoshop, Illustrator, Figma, or other graphic design and layout tools.

Job Responsibilities:

• Collaboratively work with UX team, product managers, back-end engineers and other technical teams to create new, delightful and scalable UI
• Mentor junior members through training and individual support
• Responsible for all front end development on a project
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Identify and troubleshoot UX problems (e.g. responsiveness)
• Conduct layout adjustments based on user feedback
• Adhere to style standards on fonts, colors and images
• Optimize existing user interface designs
• Proactively learn and accordingly apply new technologies, best design practices and usability patterns

The ideal candidate must - 

• 5+ years of experience working with React or React-based frameworks
• Proficiency with browser-based debugging and performance testing
• Proficiency in Git and version control
• Considerable experience with a testing framework (Jest/Mocha)
• Familiarity with RESTful APIs and GraphQL
• Knowledge of modern authorization mechanisms, such as JWT Tokens
• Good understanding of common front-end development tools such as Babel, Webpack, NPM, Yarn etc
• Hands-on experience with CSS-in-JS libraries
• Proficient understanding of cross-browser compatibility issues and ways to work around them
• Keen to learn, mentor and willingness to take ownership of work items
• Possess strong communication and self-accountability