Frontend developer (React)

Proficient in React, JavaScript (ES6+), and TypeScript. ● Expertise in state management libraries (Redux, Zustand, etc.). ● Hands-on experience with react-navigation and deep linking. ● Solid understanding of Expo (both managed and bare workflows). ● Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android). ● Experience with custom native module bridging and native UI integration. ● Strong debugging skills using tools like Flipper and Chrome DevTools. ● Familiarity with Jest, React Native Testing Library. ● Experience with REST APIs, GraphQL, and real-time data (WebSockets). ● Ability to manage OTA updates with EAS Update and configure EAS Build. ● Experience in app publishing and release lifecycle on both Play Store and App Store. ● Knowledge of secure storage, token handling, and app-level security practices.

We are seeking a highly motivated Software Development Engineer with expertise in building scalable, extensible and user-friendly web applications. You will work with a fast paced Product Engineering team to build efficient and reusable web applications for mobile and fixed devices. 

What you’ll do:

• Architect, Design, Code reviews and build scalable applications.
• You will be engaged in identifying and addressing performance bottlenecks, and collaborate with other team members to innovate current/new products. 
• Identify, communicate and implement best practices for application engineering. 
• Ensure high scalability and performance

• You will advocate for good, clean, well-documented and performing code; define and follow standards and best practices for front-end development.

We’d love for you to have:

• Experience: 1-3 yrs recent experience of working in a scalable web product firm
• Education: B.Tech/M.Tech  in Computer Science from Top ranked colleges in India
• Excellent software development skills in developing web applications over client-side frameworks - Backbone, React (preferred) and/or angular frameworks (preferred); and server-side frameworks like node.js
• Excellent programming skills in object-oriented, modularised JavaScript, Typescript (preferred)
• Strong knowledge and working experience in server-side Event-driven programming using Node.js
• Excellent programming skills in Javascript,  jQuery, AJAX, YUI.
• Passion for writing optimized code using JS best practices  and design patterns
• Experience with JS or Java-based Unit/Integration Testing using Selenium, Appium, Selendroid
• Hands-on experience in building scalable web applications
• Excellent problem solving and debugging skills
• Good Knowledge of version control - GIT (preferred)
• Experience with the full software development lifecycle, design, develop, debug, document, and deliver (especially in a multiple site organization)
• Strong verbal and written communication skills
• Ability to deliver great results in an agile development
• Good to have: Working knowledge of web standards (i.e., REST) and OOPS
• Good to have: Experience in Data Structures, Algorithms and their optimization

Even if you don’t meet all of these qualifications above, we’d still love to hear from you. Tell us about your unique qualifications in your cover letter.

CaaStle is committed to equality of opportunity in employment. It has been and will continue to be the policy of CaaStle to provide full and equal employment opportunities to all employees and candidates for employment without regard to race, color, religion, national or ethnic origin, veteran status, age, sexual orientation, gender identity, or physical or mental disability. This policy applies to all terms, conditions and privileges of employment, such as those pertaining to training, transfer, promotion, compensation and recreational programs.

Are you an exceptional UI Developer with a passion for creating mesmerizing user interfaces? We're seeking a Senior UI Developer who thrives on leveraging the power of React to craft visually stunning and highly interactive user experiences. If you're a trailblazer in the realm of UI design and development, and you're ready to make a substantial impact with your skills, we want you to be a key player in our team.

Your Role and Responsibilities:

UI Enthusiast: Showcase your mastery of user interface design by leading the charge in developing captivating user interfaces for both web and mobile applications. Your UI skills will be the driving force behind creating experiences that resonate across various devices and platforms.

React Expertise: Demonstrate your coding brilliance by harnessing the potential of React. Create UI components that are both aesthetically pleasing and technologically advanced, pushing the boundaries of modern web development.

Design-Driven Development: Collaborate closely with our design team to seamlessly transform wireframes and mockups into tangible UI interfaces that effortlessly embody the union of visual aesthetics and functional excellence.

Performance Sculptor: Dive into the intricacies of front-end code within the React framework, sculpting and optimizing to achieve lightning-fast loading times and seamless user interactions.

Browser Harmony: Ensure uniformity in appearance and behavior across an array of browsers and devices, taking into account the nuances of each platform to create a consistent user experience.

Code Craftsmanship: Exemplify your commitment to code quality by producing elegantly structured, meticulously documented, and easily maintainable code that sets new standards in our development endeavors.

Synergy of Integration: Collaborate seamlessly with our backend developers, bridging the gap between UI components and backend services and APIs to create a holistic and efficient application ecosystem.

Agile Advocate: Embrace and champion agile methodologies, actively engaging in sprint planning, daily stand-ups, and contributing to code reviews to foster a collaborative and iterative development environment.

Creative Problem-Solving: Dive headfirst into complex UI challenges, emerging with innovative solutions that enhance user experiences and keep the development process on track.

Mentorship: Elevate junior developers through your guidance and insights, empowering them to amplify their expertise in UI development and React.

Trendsetter: Stay at the forefront of UI development trends, constantly immersing yourself in the latest front-end technologies, particularly within the React ecosystem.

Key Skills:

Proficiency in HTML, CSS, and JavaScript

Expert-level experience with React and related libraries

Strong UI/UX design understanding

Responsive and mobile-first design principles

Cross-browser compatibility and accessibility standards

Performance optimization for UI components

Agile development methodologies

Strong problem-solving skills

Excellent communication and collaboration abilities

Your Skills and Qualifications:

Bachelor's degree in Computer Science, Web Design, or a related field (or equivalent practical experience).

Proven track record as a UI Developer or Front-End Developer, highlighted by an impressive portfolio showcasing your React-powered UI design and development prowess.

Expert-level proficiency in HTML, CSS, JavaScript, and React framework, complemented by familiarity with relevant libraries and tools.

UI-focused mindset with a passion for responsive and mobile-first design within the React realm.

Deep appreciation for UI/UX design principles, enabling seamless collaboration with designers to achieve a harmonious user experience.

Comprehensive understanding of cross-browser compatibility and dedication to accessibility standards.

Accomplished in optimizing UI components for superior performance and speed within the React framework.

Resourceful problem solver, adept at swiftly identifying and addressing front-end issues.

Exceptional communicator, fostering a collaborative and inclusive environment within the team.

Proficient in version control systems (e.g., Git) and experienced in contributing to code review processes.

Exposure to Agile/Scrum methodologies is a significant advantage.

Strong leadership skills, with a history of mentoring junior developers in React-based development scenarios.

Join us in reshaping user interfaces through the captivating lens of React. If you're fueled by a passion for UI excellence and have the technical prowess to match, we invite you to share your resume, portfolio, and relevant code samples that reflect your remarkable journey in the realm of UI and React. Your UI skills will be the cornerstone of our dynamic team.

Responsibilities

• Translate mockups and prototypes into interactive and responsive web applications with modern front-end technology
• Take highly complex information and make it digestible for business users
• Objectively navigate the unknown with effective communication and decision making
• Apply atomic design principles to emerging technologies and frameworks
• 
  

Eligibility

• Experience in Angular/React, proficiency with JavaScript/TypeScript, HTML, and CSS
• Expert knowledge of responsive web design
• Knowledge of Git, GitHub, GitLab, and/or Bitbucket
• Knowledge of programming patterns, design patterns, and principles
• Have a great sense of design and basic knowledge about interaction design concepts

• Participate in the design of the solution based on business requirements gathered
• and analyzed by analysts
• Develop new features for mobile/web applications
• Build reusable code and libraries across platforms
• Optimize applications in terms of scalability and stability
• Use the best coding standards and practices, to assure the quality of the code
• Perform development testing
• Collaborate with other team members and stakeholders

• 4+ years of experience in Frontend Development
• Angular 6 and Above
• REST API
• Typescript , HTML, CSS ,JavaScript
• React Native
• Having experience in both Mobile/Web development

• Bachelors in Engineering, Computer Science or in similar areas
• Minimum of 4+ years work experience in creating front-end (mobile/web)
• applications, using Angular 6+, Typescript, JavaScript and React Native
• Experience with HTML, CSS and Bootstrap.
• Experience with Agile (SCRUM) methodologies
• Experience with Unit Testing and TDD
• Experience with REST based APIs
• Knowledge of iOS or Android development is a plus
• Excellent capacity to work autonomously or integrated in a team
• Excellent problem-solving and analytical skills
• Proactivity and ability to adapt in a context in which priorities often change
• Developed sense of responsibility, oriented to customer solutions and associated
• improvements
• Fluent in English - written and spoken (mandatory)