React Native Developer

Key Responsibilities

Developing new features and user interfaces from wireframe models.

Ensuring the best performance and user experience of the application.

Fixing bugs and performance problems.

Writing clean, readable, and testable code.

Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions.

Key Skills

1. Extensive knowledge of mobile app development. This includes the whole process, from the first line of code to publishing in the store(s).

2. Deep knowledge of mobile platforms on which the app runs, e.g., Android, iOS etc.

3. Proficient in HTML, CSS, Javascript, React, React Native, Node whichever language you use in the app.

4. Proficiency with writing automated tests in JUnit, Espresso, Mocha, Jest, Enzyme, XCTest, etc. depending on the libraries you use to test

5. Familiarity with RESTful APIs and mobile libraries for networking.

6. Familiarity with the JSON format.

7. Experience with profiling and debugging mobile applications.

8. Strong knowledge of architectural patterns—MVP, MVC, MVVM, and Clean Architecture—and the ability to choose the best solution for the app.

9. Familiarity with Git and Github.

10. Familiarity with push notifications.

11. Understanding mobile app design guidelines on each platform and being aware of their differences.

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms.

You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities:

1. Build pixel-perfect, buttery smooth UIs across both mobile platforms.
2. Leverage native APIs for deep integrations with both platforms.
3. Diagnose and fix bugs and performance bottlenecks for performance that feels native.
4. Reach out to the open-source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
5. Maintain code and write automated tests to ensure the product is of the highest quality.
6. Transition existing React web apps to React Native.

We are looking to hire a React Native Mobile App Developer for a Singapore based Fintech startup. A joint venture of Singapore Stock Exchange and Temasek an investment company has recently acquired a minority stake in the company. Candidates must have a strong understanding of end-to-end flows encompassing front-end, application server, APIs and databases. The candidates must possess strong programming skills.

Requirements:

• Has demonstrable experience in building mobile apps for iOS and Android using React Native.
• The candidate must have at least 2 years of relevant experience in mobile app development.
• Detail-orientation and appreciation of usability, design and aesthetic elements is a must.
• Overall experience of 3-8 years, with relevant educational background or certifications.  

• You will work on long-term React Native mobile applications for innovative startups.
• Together with your colleagues and our clients you will analyse requirements and envision a qualitative solution. You will be responsible for the entire development - from architecture to implementation - and deliver user-friendly, performant and well-tested mobile applications.
• You will be part of our continuous improvement culture, hone your skills and share your experience with your colleagues.

• You have at least 3-year experience implementing and deploying React Native apps.
• You developed and published at least one React Native app on Google and Apple Store.
• You are familiar with Google and Apple Store guidelines and compliance.
• You can build pixel-perfect UIs for all mobile platforms.
• You have strong knowledge of Javascript ES6 and higher.
• You know how to make a solid relational data model and have a good knowledge of SQL.
• You have integrated a variety of web API's and understand HTTP.
• You know how to write clean and flexible object-oriented code.
• You have a good understanding of async programming concepts.
• You work daily with tools like Git, NPM and a proper IDE (Webstorm).
• You can deliver POCs, experiments and technology evaluations following design thinking practices.
• You will be contributing towards architecting and building React Native applications, as well as coordinating with the teams responsible for other layers of the product/project infrastructure.
• You write clean code and are a pragmatic programmer.

• You wish Typescript was the default language of the web.
• You stepped outside the Expo world and have experience with native iOS or Android development. You are familiar with XCode and Android studio, and leverage native APIs for deep integration with Android and iOS.
• You have experience with state management libraries like MobX and Redux.
• You write automated tests and perform end-to-end testing with Detox or Appium.
• You are familiar with functional programming concepts and apply it occasionally.
• You worked with other hybrid mobile platforms like Sencha, HTML5, PhoneGap, etc.
• You have experience with Scrum and Lean methodology