Frontend Developer

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.

JOB SUMMARY

Position - Lead UI 

Location - Bangalore. 

Take part to the development and the maintenance of the FM SAAS Platform.

• Write technical designs (conception, architecture, data model)
• Maintain/enhance CI/CD processes ( Basic Knowledge is mandatory)
• Develop and maintain the platform
• Support UI developers
• Identify and resolve incidents
• Representing FM in global UI architecture meetings

JOB RESPONSIBILITIES

Customers

Delight our customers by:

• Delivering high quality, bug free software
• Respecting customer commitments
• Respecting UX designs
• Assisting operations (incl. support, delivery and pre-sales) with subject matter expertise when needed
• Providing expected effort to solve customer issues
• Understanding fully the FM Strategy

Teamwork

Work together by:

• Providing a transparent reporting to both the scrum team and the UI team
• Helping other team members to achieve their commitments
• Sharing knowledge
• Driving other UI developers
• Working closely with his/her scrum team
• Working closely with the FM UI team
• Working closely with QA
• Working closely with SRE
• Working closely with the global UI team
• Working closely with the UX team

Innovate

Innovating by:

• Keeping in touch with latest technologies
• Sharing (business/technical) ideas with the team and the management
• Proposing new development tools
• Proposing enhancement to our CI/CD processes

Improve (KPI’s)

Constantly improving by:

• Being proactive and autonomous
• Actively participating to retrospective
• Communicating with other BT UI teams
• Helping others

SKILLS, KNOWLEDGE AND EXPERIENCE REQUIRED

Required Skills

• IT Master’s Degree or equivalent such as Engineering school
• Strong/proven knowledge of Javascript development language
• Strong/proven knowledge of React and its usual ecosystem
• Basic knowledge of Docker
• Strong analytical and algorithmic skills
• Strong communication skills
• Autonomy
• Adaptability
• Team working skills
• Ability to propose and discuss API contract with backend tech leads
• Heightened sense of client service
• Quality and documentation
• Sense of responsibility
• Strong attention to detail

Good to have Skills

• Rigorous, methodical and organized
• Ability to work both independently and within a team
• Knowledge about Single spa
• Knowledge about Kubernetes
• Knowledge about GitLab
• Knowledge about ArgoCD
• Knowledge of SWIFT banking environment would be an advantage
• Knowledge of Open Banking would be an advantage
• Mastery in software engineering tools

React.js Developer Job Description

We are looking for a skilled react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

To ensure success as a react.js developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class react.js developer should be able to design and build modern user interface components to enhance application performance.

React.js Developer Responsibilities:

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

React.js Developer Requirements:

• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.

Technical Skills: (must have)

• Excellent Angular 5+, NodeJS, Typescript programming skills

• Strong HTML/HTML5/JavaScript skills
• Sound understanding of MVC, MVVM, JSON, and data binding

• Hands-on experience with implementing Angular best practices (e.g. project structure, module organisation, naming convention, etc.)

• Hands-on experience with Web APIs (e.g. HTTP protocols, AJAX and REST)

• Hands-on experience of using browser events and various data types like arrays and objects, JSON, forms, closures and modules, including the use of debugging tools

• Hands-on with CSS3 and sound understanding of cross browser inconsistencies and responsive frameworks

• Experience in integrating with third party JavaScript libraries and frameworks like jQuery

• Experience with Templating

Additional Skills: (nice to have)

• Knowledge of standard authentication systems such as OAuth2, JWT and SSO

• Knowledge of WebSockets is an added advantage
• Experience with version controlling tools e.g. Git
• Experience with developing browser extensions

PRINCIPAL ACCOUNTABILITIES
Key accountability of Sr.FED will be to plan, develop, maintain and optimise codebase for web app and browser extensions of MyLOFT.

• Planning and Development
• Design Planning of the functional App in coordination with software development team
• Develop and Deliver front-end applications and browser extensions
• Develop and Integrate custom modules and components with functional app
• Writing tested, idiomatic, and documented JavaScript, HTML, and CSS
• Integrate existing template or pure HTML in angular
• Work closely with HTML developer and UI designer to deliver pixel perfect dynamic Frontend UI

• Work closely with back-end team to build and integrate REST API
• Integration with external web services e.g. Google APIs
• Testing and Maintenance
• Follow best practices for testing and maintenance to ensure that codebase is executable, readable and easy to maintain

• Ensure that security and versioning of the codebase is maintained
• Write and maintain technical documentation for ready reference
• Post Launch Optimisation
• Periodically participate in code review and refactoring to improve app performance
• Participate in user feedback sessions to identify and understand user requirements
• Beta/Marketability Tests (for POCs)
• Coordinate with development team to evaluate technical feasibility of new requirements
• Build prototypes/POCs
• Actively participate in relevant technical forums
• Participate in training and knowledge sharing initiatives

• Designing, building, prototyping, developing and implementing single-page responsive web applications for our cloud platform.
• Involved in decision making for design and technical aspects for modular and component-based architectures.
• Developing application code, services, user interfaces, user experience and unit tests.
• Ensuring high performance and responsive applications with state-of-the-art user experience.
• Experimenting with new technologies and working with integrated web-applications.
• Collaborating and iterating with the Product Managers, UI/UX and Backend teams to define, design, build, extend products and features.

• You have previously worked for a minimum of 3 years in a technical environment contributing as a programmer.
• You have proven expertise in the JavaScript ecosystem and used frameworks like ReactJS, Vue. Preference would be given to reactjs.
• You have exposure to Golang, TypeScript, HTML5, CSS3, JavaScript, jQuery, MySQL and Firebase.
• You must have strong debugging and problem-solving skills.