Senior Frontend Engineer - App

Job Title: Senior Frontend Developer (Angular) – L4

Location: Mumbai

Experience: 7–12 Years

Role Overview

We are seeking an experienced Angular Developer (L4 level) with strong expertise in modern frontend technologies to build scalable, high-performance web applications. The ideal candidate will have deep experience in Angular, TypeScript, RxJs, ngRx, and a strong focus on unit testing and code quality.

Key Responsibilities

• Develop and maintain complex web applications using Angular (latest versions)
• Write clean, scalable, and maintainable code using TypeScript
• Implement reactive programming patterns using RxJs
• Manage application state effectively using ngRx (Store, Effects, Reducers)
• Design and implement reusable, performant UI components
• Ensure high code quality through unit testing (Jasmine/Karma or similar)
• Collaborate with backend teams, UX designers, and product stakeholders
• Optimize applications for maximum performance and scalability
• Participate in code reviews, architecture discussions, and technical decision-making
• Troubleshoot and debug complex application issues

Required Skills

• Strong experience with Angular (v10 or above preferred)
• Proficiency in TypeScript, JavaScript (ES6+)
• Hands-on expertise in RxJs (Observables, Operators, Subjects)
• Solid understanding of ngRx architecture and state management concepts
• Experience in Unit Testing frameworks (Jasmine, Karma, Jest, etc.)
• Knowledge of REST APIs and integration
• Familiarity with HTML5, CSS3, SCSS, and responsive design
• Understanding of frontend performance optimization techniques
• Experience with Git/version control systems

Preferred Qualifications

• Experience with CI/CD pipelines
• Exposure to micro-frontend architecture
• Knowledge of Agile/Scrum methodologies
• Familiarity with AWS/Azure or cloud-based deployments
• Strong problem-solving and analytical skills
• Behavioral Competencies
• Strong communication and collaboration skills
• Ability to mentor junior developers
• Ownership mindset and attention to detail
• Adaptability in a fast-paced environment

Seniority Level

L4 (Senior Individual Contributor)

Expected to drive modules independently and influence technical decisions

Job description - React Developer Responsibilities: - Develop high quality Javascript (ES6) code for our React applications. - Coordinate with backend engineers to establish JSON-based APIs. - Optimize application for maximum speed and compatibility. - Integrating third-party dependencies and debugging dependency conflicts - Multitask seamlessly, always maintaining a positive attitude and a client-first mentality - Incorporate engineering best practices, methodologies & standards in all deliverables - Pay close attention to details and be able to follow specifications and mockups (pixel perfect). - Making recommendations to address UI/UX issues. Requirement: - Must have good understanding in web application development - Strong experience in React, JavaScript, ES6, CSS3. - Good experience with React or React Native and Redux. - Experience building complex features and interfaces for React applications. - Familiarity with RESTful APIs. - Experience with version control tools (Git), NPM- - Deep understanding of data structures, data flow, Ajax and CRUD. - Solid knowledge of web app development practices. - Excellent spoken and written English. Experience : 2+years of experience Requirement : Immediate Joinee to 30 days

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.

Work Profile

• Delivering a complete front end application in AgularJS
• Ensuring high performance on mobile and browser with reusable and modular components spanning cross multiple projects
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Integrate with the back-end developer in the process of building the RESTful API
• Communicating with external web services for 3rd Party tools and services integration

Requirement

• Experience and proficiency with AngularJS, JavaScript and HTML5
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Creating self-contained, reusable, and testable modules and components
• Ability to provide SEO solutions and optimization
• 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

We Anju Siima Technologies Private Limited are looking for a Flutter developer who is proficient with dart programming language. Your primary focus will be on developing user interface components and implement them following well known Flutter workflows.

Responsibilities:

• Develop new user interfacing features using Dart / Flutter framework
• Building reusable widget components and front-end libraries/packages for future use
• Maintain existing codebase on repositories
• Translate design and wireframes into high quality code
• Optimising widget components for maximum performance across mobile devices
• Stay updated with emerging technologies and implementing them into the current code base.
•  

Skills:

• Strong skills in Dart & Flutter
• Experience with understanding of Mobile Application Development Lifecycle
• Familiarity with third party libraries and its integration
• Experience with GIT
• Familiarity with RESTful API’s
•  

We are building a global content marketplace that brings companies and content

creators together to scale up content creation processes across 50+ content verticals and 150+ industries. Over the past 2.5 years, we’ve worked with companies like India Today, Amazon India, Adobe, Swiggy, Dunzo, Businessworld, Paisabazaar, IndiGo Airlines, Apollo Hospitals, Infoedge, Times Group, Digit, BookMyShow, UpGrad, Yulu, YourStory, and 350+ other brands.
Our mission is to become the world’s largest content creation and distribution platform for all kinds of content creators and brands.

Our Team

We are a 25+ member company and is scaling up rapidly in both team size and our ambition.

If we were to define the kind of people and the culture we have, it would be -

a) Individuals with an Extreme Sense of Passion About Work

b) Individuals with Strong Customer and Creator Obsession

c) Individuals with Extraordinary Hustle, Perseverance & Ambition

We are on the lookout for individuals who are always open to going the extra mile and thrive in a fast-paced environment. We are strong believers in building a great, enduring

a company that can outlast its builders and create a massive impact on the lives of our

employees, creators, and customers alike.

Our Investors

We are fortunate to be backed by some of the industry’s most prolific angel investors - Kunal Bahl and Rohit Bansal (Snapdeal founders), YourStory Media. (Shradha Sharma); Dr. Saurabh Srivastava, Co-founder of IAN and NASSCOM; Slideshare co-founder Amit Ranjan; Indifi's Co-founder and CEO Alok Mittal; Sidharth Rao, Chairman of Dentsu Webchutney; Ritesh Malik, Co-founder and CEO of Innov8; Sanjay Tripathy, former CMO, HDFC Life, and CEO of Agilio Labs; Manan Maheshwari, Co-founder of WYSH; and Hemanshu Jain, Co-founder of Diabeto.
Backed by Lightspeed Venture Partners

Responsibilities 

• Convert wireframes into rich interactive prototypes. 
• Work with backend development team to integrate front end code. 
• Understand business requirements and convert into functional specifications. 
• Participate in architecture and technical level discussions and takes initiative. 
• Passion for web design and eager to learn and implement the latest trends.
• A focus on delivering high-quality code through strong testing practices
• Working on Information architecture and Designing wireframes and prototypes.

Skills Required:

• 4+ years of commercial-grade web/front-end development experience.
• Strong experience in JavaScript, ideally ES6 or ES7, Node.js, building Single Page Web Applications with modern frameworks (Angular or AngularJS, React, Vue).
• 2+ years hands on experience with frameworks like react/relay/Redux/node.
• 2+ years with JS build tools like grunt,webpack,gulp etc.
• Knowledge in ES6, Webpack is a plus.
• Experience in creating web applications with delightful user experience.
• Experience working with REST APIs.
• Experience in TDD, Writing Clean & Readable code.
• Experience in Version control - Git.
• Awareness of cross-browser compatibility issues and client-side performance considerations 
• Experience in creating responsive pages and cross-browser support.
• Ability to clearly communicate thoughts and ideas by rapid prototyping.
• Debugging skills, familiar with debugging tools of all major browsers.

Nice to Have:

• Prior experience in Fintech Startups
• Knowledge of Node.js, Express js, AWS (EC2, S3, Elasticsearch)
• Knowledge and working experience with MongoDB, NOSQL