At Sphere, we offer management consulting, end-to-end technology solutions, enterprise applications, software engineering, data analytics, and staff augmentation services, through onsite and remote world-class teams. We are collaborating with a leading fintech company driven by cryptocurrency that operates network of cryptocurrency ATMs. Now we are looking for a Senior React Native/Flutter developer to join our team. 

Type: Hire
Location: Remotely
Start date: ASAP

Responsibilities include but are not limited to:

• Develop and maintain applications using React Native and Flutter.
• Develop high-quality software design and architecture.
• Collaborate with the team to define requirements, design features, and continuously improve our application.
• Participate in code reviews and provide constructive feedback to peers.

Requirements:

• Proven experience developing mobile applications using React Native and Flutter for iOS and Android platforms.
• Strong understanding of Typescript/Javascript, React Native, Redux, and Native Modules
• Experience with RESTful APIs and asynchronous programming
• Experience with relational databases (PostgreSQL preferred).
• Experience maintaining or consuming continuous integration/deployment pipelines.
• Knowledge of mobile app architecture patterns.
• Ability to work independently and as part of a team, with excellent communication and collaboration skills.
• Experience with testing frameworks, unit and integration testing will be a plus.
• Upper-intermediate or higher-level English