React Native Developer

Job Functions / Responsibilities:              

• Collaborate with product managers, designers, and other developers to define and implement new features for our iOS mobile applications.
• Write clean, maintainable, and efficient code using React Native and JavaScript, ensuring the best possible performance and user experience.
• Troubleshoot and debug issues in the application to maintain its stability and reliability.
• Optimize mobile applications for performance and responsiveness.
• Stay updated with the latest industry trends and technologies to improve the mobile application continuously.
• Participate in code reviews to maintain code quality and provide constructive feedback to team members.
• Work closely with QA teams to ensure rigorous testing of the application.
• Provide technical guidance and mentorship to junior developers when necessary.

Skills:

·        4-6 years of professional experience in mobile application development.

·        Strong proficiency in React Native and JavaScript.

·        Extensive experience with iOS development, including Swift and Objective-C.

·        Knowledge of native iOS libraries and frameworks. Experience with third-party libraries and APIs.

·        Familiarity with RESTful APIs and integration.

·        Solid understanding of mobile app design principles and user interface guidelines.

·        You can work independently on solving complex problems and troubleshooting cryptic

bugs

·        Fluent in both spoken and written English

·        You're a team player and pragmatic programmer.

·        Proven ability to work in a fast-paced, collaborative environment.

·        Strong attention to detail and a commitment to delivering high-quality code.

·        Knowledge of Redux or similar state management libraries.

·        You're an avid clean coder, and refactoring is part of your normal workflow. 

We are looking for a passionate and skilled iOS Developer (SDE II) to join our mobile engineering team. You will play a critical role in building and scaling high-performance iOS applications used by millions of users. The ideal candidate is deeply familiar with the iOS ecosystem, understands architectural best practices, and is capable of writing clean, maintainable, and testable code.

Key Responsibilities:

• Design, build, and maintain advanced iOS applications using Swift and Objective-C.
• Translate product requirements into scalable technical solutions.
• Collaborate with cross-functional teams including product, design, and backend teams to define, design, and ship new features.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and fix bugs, bottlenecks, and performance issues.
• Maintain code quality through unit tests, code reviews, and CI/CD best practices.
• Stay up to date with the latest iOS development trends, tools, and technologies.

Required Skills & Qualifications:

• 3–6 years of hands-on experience in iOS development.
• Strong command over Swift, Objective-C, Xcode, and the iOS SDK.
• Experience with MVVM/MVC architecture, RESTful APIs, and third-party libraries (e.g., Alamofire, Realm).
• Understanding of Apple’s design principles and interface guidelines.
• Familiarity with unit testing and performance tuning.
• Strong debugging and problem-solving skills.
• Bachelor's degree in Computer Science or a related field.

Nice to Have:

• Experience with SwiftUI, Combine, or CoreML.
• Exposure to Agile methodologies and Git workflows.

Why Join Us:

Be part of a fast-moving tech team building impactful, user-friendly apps with modern development practices and a collaborative work culture.

Capillary is an Equal Opportunity Employer and will not discriminate against any applicant for employment on the basis of race, age, religion, sex, veterans, individuals with disabilities, sexual orientation, or gender identity.

Disclaimer:

It has been brought to our attention that there have recently been instances of fraudulent job offers, purporting to be from Capillary Technologies. The individuals or organizations sending these false employment offers may pose as a Capillary Technologies recruiter or representative and request personal information, purchasing of equipment or funds to further the recruitment process or offer paid training. Be advised that Capillary Technologies does not extend unsolicited employment offers. Furthermore, Capillary Technologies does not charge prospective employees with fees or make requests for funding as a part of the recruitment process.

We commit to an inclusive recruitment process and equality of opportunity for all our job applicants.

Responsibilities:

● Design and build advanced applications for the Android platform

● Collaborate with cross-team (developers, designers, product owners, QA) to define,

design, and ship new features.

● Prepare test plans, and test cases and execute/automate them.

● Write and review unit-test code for robustness, including edge cases, usability, and

general reliability

● Problem solve and determine out-of-the-box solutions for complex technical

requirements

● Work with fellow programmers, as well as the rest of the production team, as a lead

programmer and manager.

● Must have very strong problem-solving and analytical skills.

● Application of experience and knowledge to optimise game engine deployment for

virtual reality VR in terms of memory, frame rate and performance.

● Work with emerging technologies to create new tools and systems for interactive

real-time production.

● Ensure compliance with ride requirements, including performance benchmarks and

integration with third-party ride control systems.

● Produce clean, well-documented code and maintain internal engine builds, using

Perforce and other tools to distribute builds to the team.

● End-to-End mobile development life cycle from planning to publishing

Requirements:

● B.Tech/B.E degree in Computer Science, Engineering or a related subject

● Proven software development experience and Android skills development

● Proven working experience in Android app development and have published at least

one original Android app

● Experience with Android SDK

● Experience working with remote data via REST and JSON

● Experience with third-party libraries and APIs

● Working knowledge of the general mobile landscape, architectures, trends, and

emerging technologies

● Experienced in handling both legacy code and greenfield development and can make

technical recommendations based on the needs of the project

● Solid understanding of the full mobile development life cycle.

● Expert-level understanding of object-oriented programming, threading/concurrency,

unit testing, and modern architectural design

● Excellent source control discipline and are comfortable using git flow

● Experience in 3D engine development experience within the games industry is a plus

● Hands-on with Jetpack compose is a plus.

● Scrum, agile process and adherence

● Good project management skills are a plus

● Strong expertise in Kotlin and Java

● Knowledge of Swift and Fuller is a plus

Job Description:

• Min 4-5 years of experience in Mobile application development
• Min 2-year Experience in React Native app development
• Firm grasp of the JavaScript and TypeScript language and its nuances, including ES6+ syntax
• Follow best practices using Android Guidelines
• Knowledge of functional or object-oriented programming
• Technically strong in React-Redux/Mobx development and deep understanding of core mobile concepts such as lifecycle, UI, networking, caching, device features, etc
• Experiences with automated testing suites, like Jest or Mocha
• Experience integrating third-party frameworks. Worked with logging and capturing user navigation and app usage to Analytics and Crashlytics for understanding the most used features by users.
• Knowledge of mobile security and cryptography is an advantage.
• Good working knowledge of tools such as Git, JIRA, Jenkins, or any tools that are similar to these.
• Experience with agile methodology is preferred
• Good communication skills
• Good knowledge of app telemetry integration & app performance management
• Have published at least 2 React Native apps on Play Store & Appstore

• Implement robust app architectures and complex user interfaces
• Component Design and coding new features. includes unit tests, debugs, and solves defects
• Component Design/Coding/Unit Testing/Debugging
• Responsible for designing app architecture and integration design to various external systems (APIs, 3rd Party SDK)
• Follow best practices using React Native Guidelines
• Understand reacting design patterns like HOC, Render Props, and their applications.
• Good understanding of atomic design principles
• Experience with CSS-in-js / styled-components
• Good understanding of Android & iOS working principles, Release process
• Ability to multi-task under pressure and work independently with minimal supervision
• Work on high-performance consumer-facing apps
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• Good understanding of server-side templating languages (such as jade, EJS, and pug).
• Creating database schemas that represent and support business processes.
• Implementing automated testing platforms and unit tests.
• Basic understanding of front-end technologies, such as HTML5, SCSS, and CSS3.
• Ability to make recommendations on UI design and UX best practices.

• Experience / strong knowledge in both iOS & Android Mobile Application technologies
• Proficient in SwiftUI, Swift, Xcode, Java, Kotlin and Android Studio, Flutter, React Native
• Experience with version control: Maven, Gradle, Git, Cocopods
• Experience in application submission / provisioning process
• Experience in performance and memory tuning
• Good understanding of computer science concepts, design patterns, algorithms and data structures

Bonus Points:

• Experience / knowledge in any of the Back-End technologies

• Leverage native APIs for deep integrations
• Solving any challenges that might appear on the way
• Diagnose and fix bugs and performance bottlenecks for performance that feels native
• Maintain code and write automated tests of quality that sets the benchmark for your future colleagues

• 2+ years of relevant industry experience in React Native
• A deep understanding of JavaScript
• Familiarity with video recording, playback, and uploading libraries
• Experience with Native Android app deployment
• Familiarity with modern front-end build pipelines and tools
• Familiarity with Socket.io is a plus
• Familiarity with RESTful APIs
• Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interface
• Highly accountable and takes ownership, with a collaborative attitude, and a lifelong learner
• Familiarity with code versioning tools (such as Git)