11+ Behavior-driven development Jobs in Mumbai | Behavior-driven development Job openings in Mumbai
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AngularJS (1.x)
React.js
React Native
Angular (2+)"Are you looking to build products that can change the world and help us reach our target of improving 1 billion lives?"
**RESPONSIBILITIES**
To ensure that projects are delivered efficiently using the best fit-for-purpose technology with sufficient quality standards. To inform technical decision making at Curve.
**ESSENTIAL EXPERIENCE**
* 3+ years experience with either React JS, React Native or Angular4+
* Good working understanding and experience with mobile app development best practices
* Write well designed, testable, efficient code by using the best software development practices
* Knowledge of Test Driven Development (Unit Testing)
* Knowledge of Behaviour Driven Development (UI Testing)
* Experience using unit testing frameworks
* Experience using E2E test frameworks and runners
* Continuous Integration (e.g. CircleCI, Travis)
**ESSENTIAL QUALITIES**
Strongly aligned values with Curve values (below)
* Good Communicator
* Not afraid of solving problems using multiple development stacks
* Proactive thinking with a ‘can do’ attitude
* Strong problem solving skills, using root cause analysis to find issues and identifying potential solutions
* Should be able to research and understand undocumented application codebases
* A love of learning
* Team player
* High level of Emotional Intelligence
**DESIRABLE EXPERIENCE**:
* Ionic experience
* Mobile development (iOS or Android) experience or exposure
* Good working understanding and experience with CSS and popular CSS preprocessors (SASS / LESS)
* Heroku / AWS or similar infrastructure exposure or experience
* iOS Appstore / Android Play store experience
* Working with remote teams
* Token based authentication (e.g. JWT)
**ABOUT CURVE**
Curve is an award winning global digital health company that creates products that directly improve lives.
**Company Purpose**: To positively impact 1 billion lives by solving challenging health problems.
**Curve Values**
* Improve myself, each other & our partners
* Solve problems that improve people’s lives
* Everyone leads
* Become comfortable with being uncomfortable
* Only create products that people love
* An amazingly genuine, engaging and friendly culture.
* Flexible working hours.
* Glass Door Rating of 5
React.js
Javascript
NextJs (Next.js)
Redux/FluxFrontend Engineer
React, TypeScript & Production Web Applications
📍 Mumbai (On-site) | Full-time | 3-5 years
About the Role:
Unico Connect is an AI-first technology partner that builds custom mobile, web, and AI products for clients across multiple geographies.
We are hiring a Frontend Engineer who will build production-grade web applications across customer engagements, partnering closely with designers, backend engineers, and AI engineers.
The mandatory requirement for this role is hands-on production experience shipping React applications, with ownership of at least one feature area end to end including state, API integration, and testing.
The role is hands-on.
Expect to implement complex flows, integrate with backend and AI services, contribute to a shared design system, write tests, and review the work of others.
A typical week includes a design handoff review, implementation of a new flow, a code review session, and a working call with a backend engineer on API contracts.
Responsibilities:
Production UI Development
Build production-grade React UI for customer engagements, including complex forms, dashboards, data-dense views, and AI-driven interactions.
API Integration
Integrate with REST and GraphQL APIs.
Handle authentication, streaming responses (Server-Sent Events, WebSockets), retries, and graceful error states.
State Management
Build state architecture using Redux, Zustand, Jotai, or equivalent.
Handle async state, optimistic updates, and cross-component coordination.
Design System Contribution
Implement components within an established design system.
Maintain token discipline and contribute back to shared components.
Testing
Write unit, integration, and end-to-end tests using Jest, React Testing Library, and Playwright or Cypress.
Performance and Accessibility
Profile and optimise rendering and bundle size.
Apply WCAG 2.1 AA practices in everyday work.
AI-Assisted Development
Use Claude, Cursor, and similar tools day to day.
Build discipline for reviewing and validating AI-generated code.
Requirements:
Hands-on Production React Experience (Mandatory)
Must have personally shipped at least one feature area end to end in a production React application, owning state, API integration, and testing.
POCs and internal tools alone do not qualify.
3 to 5 Years of Professional Frontend Engineering Experience
Strong JavaScript, TypeScript, and React
Solid with hooks, context, and modern patterns.
Working comfort with Next.js (SSR, SSG, app router).
State Management
Production experience with Redux, Zustand, Jotai, or equivalent.
CSS and Styling
Strong with Tailwind, CSS Modules, or CSS-in-JS.
Comfortable building responsive layouts.
REST and GraphQL
Comfortable consuming both.
Working knowledge of streaming responses and async patterns.
Testing Fluency
Jest, React Testing Library, and at least one of Playwright or Cypress.
Git and CI/CD Basics
Comfortable with feature branching, pull requests, and CI-integrated test runs.
Strong Written and Spoken English Communication
Nice to Have:
- Experience with editor or canvas UIs
- Storybook
- Animation libraries (Framer Motion, GSAP)
- Exposure to AI-driven UI patterns
- Visual regression testing tools
NextJs (Next.js)React.js**TL;DR:** Seeking an experienced Front-end Developer proficient in React and Next.js to build user-friendly interfaces for Proof of Skill, a blockchain-based protocol for skill verification and credentialing.
Proof of Skill protocol is a decentralized system where industry experts (Validators) evaluate candidates' skills and issue verifiable Skill Credentials. Organizations can then shortlist candidates based on these credentials.
**Qualifications and Skills:**
5+ years of experience in front-end development, with a strong focus on React and Next.js
Proficiency in JavaScript, HTML5, CSS3, and related front-end technologies
Solid understanding of React ecosystem, including Redux, React Router, and React Hooks
Experience with Next.js and its server-side rendering (SSR) and static site generation (SSG) capabilities
Familiarity with modern front-end build tools and workflows (e.g., Webpack, Babel, ESLint)
Knowledge of responsive design and cross-browser compatibility
Experience with RESTful APIs and integration with back-end services
Familiarity with web accessibility standards (WCAG) and best practices
Understanding of blockchain technology and decentralized applications (dApps) is a plus
**Responsibilities:**
Design and develop user-friendly interfaces for the Proof of Skill platform using React and Next.js
Implement reusable and modular front-end components following best practices
Integrate with blockchain-based back-end services and decentralized data sources
Optimize performance, scalability, and security of the front-end applications
Collaborate with the design team to ensure pixel-perfect implementation of UI/UX designs
Write clean, maintainable, and well-documented code
Participate in code reviews and ensure adherence to coding standards
Stay up-to-date with the latest front-end technologies, frameworks, and industry trends
**Ideal Candidate Traits:**
Strong problem-solving and analytical skills
Excellent communication and collaboration abilities
Attention to detail and commitment to writing clean, efficient code
Passion for creating intuitive and engaging user experiences
Entrepreneurial mindset and willingness to take ownership
Curiosity and eagerness to learn and grow in a dynamic environment
Experience building for crypto is a huge plus
React.jsRedux/FluxJavascriptJob Title: React.js Developer
We are seeking a talented React.js Developer to build and maintain high-quality web applications. The ideal candidate should have strong experience in JavaScript/TypeScript, React.js, HTML, CSS, and state management (Redux/Context API). You will work closely with our team to develop responsive UIs, integrate APIs, and ensure performance optimization.
Requirements:
- 2+ years of experience in React.js development
- Strong knowledge of JavaScript (ES6+), React hooks, and component-based architecture
- Familiarity with RESTful APIs, Git, and modern front-end tools
- Bonus: Experience with Next.js, Tailwind, or testing frameworks
React.js
HTML/CSS
Bootstrap
Vue.jsNextJs (Next.js)Individual Contributor
Product Owner
6 years plus on Angular with TypeScript/React.js
Immediate Joiners Only
Worked on Dashboards customising Components
Roles & 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
Desired skills :
- Strong knowledge of Javascript (ES6) including all the latest features
- Ability to create flexbox driven UI layout
- Ability to comprehend performance issues and solve them
- Strong debugging skills using the browser
- Knowledge of Git (including merging, branching and resolving merge conflicts)
Job Title: React Lead Developer
Location: Airoli, Mumbai
Work Mode: Work from Office (WFO) – Full-time
About the Role:
We are seeking a highly skilled and experienced React Lead Developer to join our growing team in Airoli, Mumbai. The ideal candidate will lead front-end development efforts, mentor developers, collaborate closely with cross-functional teams, and play a key role in delivering scalable, high-performance web applications.
Key Responsibilities:
- Lead the design and development of responsive web applications using React.js
- Collaborate with UX/UI designers, product managers, and backend teams to deliver high-quality products
- Write clean, maintainable, and well-documented code
- Optimize applications for performance and scalability
- Conduct code reviews and ensure coding best practices are followed
- Mentor and guide junior developers in the team
- Participate in architectural discussions and contribute to tech strategy
- Keep up with emerging trends and technologies in frontend development
Required Skills & Experience:
- 6+ years of experience in frontend development, with at least 3 years in React.js
- Strong proficiency in JavaScript (ES6+), HTML5, CSS3, Redux, and REST APIs
- Experience with React Hooks, Context API, and component-based architecture
- Familiarity with Webpack, Babel, and modern build tools
- Experience with version control tools like Git
- Exposure to Agile methodologies and CI/CD pipelines
- Strong problem-solving and debugging skills
- Excellent communication and leadership qualities
Nice to Have:
- Experience with TypeScript, Next.js, or React Native
- Exposure to cloud platforms (AWS/Azure)
- Familiarity with testing frameworks (Jest, Cypress, etc.)
Education:
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
React.jsRedux/FluxNextJs (Next.js)Requirements
- We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux).
- 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. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Skills And Qualifications
- Good understanding of advanced JavaScript libraries and frameworks ReactJS or Vue JS
- Developing new user-facing features using React.js
- Experience with popular React.js workflows (such as Flux or Redux)
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Knowledge of isomorphic React is a plus - Familiarity with RESTful APIs
- Knowledge of modern authorisation mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools - Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements
- Building reusable components and front-end libraries for future use
- Proficient understanding of web markup, including HTML5, CSS3
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git / Mercurial / SVN
- Research new technology trends, come up with suggestions and roll out the same
- Expertise in building UI for cross-platform web application.
- Ability to write high-performance, reusable code for UI components.
- Must be a self-starter with a passion to stay current with the newest online technologies.
- Passion for performance debugging and benchmarking
- Excellent communication and problem solving skills.
React.jsReact Nativeunder one house, with each of its brands working together toward one mission: To help Indians lead more fulfilling lives surrounded by wellness and grace.
The founders of Mosaic, Revant and Dhyanesh have more than a decade of experience building,advising and investing in consumer brands. This has allowed them to understand the Indian consumer in a level of detail about their health, habits, and more.
Role
As the lead for the frontend development team at Mosaic, you will be the sole owner of the
entire FE development cycle for our consumer facing web products in ReactJS. Also, you will
be responsible for shaping up the entire system for scale and collaborating intensively with the backend and design teams to create the best consumer experiences. You would also need to control the mobile app development lifecycle on ReactNative.
Responsibilities
- Overlook development of all user-facing products in React
- Build reusable components and front-end libraries for future use
- Translate designs and wireframes into high quality code
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Use Server Side Rendering when applicable
- Enhance SEO, Analytics and overall frontend architecture for better performance
Requirements
- 4+ years of experience building frontend for consumer facing products
- 2+ years on ReactJS for consumer facing products
- 1+ years of Team Lead/Management experience
- Thorough understanding of architecting the frontend system with Server Side Rendering
- Good foundation in design and a knack for designing interactions and elegant interfaces
- Has led a mobile development effort on ReactNative
- Understands app development cycle
- Experience with NodeJS for Server Side Rendering/coordinating with the backend team
for API requirements
- Must come up with caching solutions where required to speed up the website load speed
and improve customer experience
React.jsJavascriptHTML/CSSRedux/FluxReact.jsJavascriptRedux/Flux
NodeJS (Node.js)As one of the first members of the frontend development team, you will be the sole owner of the entire front end development cycle for our consumer-facing web
products. Also, you will be responsible for shaping up the entire system for scale and
collaborating intensively with the backend and design teams to create the best consumer
experiences.
Responsibilities :
Develop all user-facing products preferably in React
Build reusable components and front-end libraries for future use
Translate designs and wireframes into high-quality code
Optimize components for maximum performance across a vast array of web-capable
devices and browsers
Focus on code maintainability and performance of the application.
Provide technical advice and assists in solving programming problems.
Enhance SEO, Analytics and overall frontend architecture for better performance
Requirements :
Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object
model
Good foundation in design and a knack for designing interactions and elegant interfaces
Good to have - understanding of React.js and its core principles
Good to have - experience with popular React.js workflows (such as Flux or Redux)
Experience with data structure libraries
Familiarity with RESTful APIs
Familiarity with modern front-end build pipelines and tools
A knack for benchmarking and optimization
Familiarity with code versioning tools (such as Git)
Proficient in industry-standard best practices such as Design Patterns, Coding Standards,
Coding modularity, Prototypes, etc.
Experience in using debugging tools used for profiling/optimizing performance
Experience in debugging, tuning and optimizing UI components
A minimum of two (2) years of relevant development or engineering experience.
React.js
Java
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