React Native/Kotlin Mobile Developer Senior

Remote; San Francisco (CA); Remote; USD 33,000 - 51,000; Full time

Benefits offered by this job

Meal and/or food allowance

Medical and dental insurance

Home office allowance

Welcome kit during onboarding

Life insurance

Zenklub mental health support

TotalPass wellness benefits

Certification and learning programs

Remote work flexibility

Inclusive work environment

Job summary

Partner Company is seeking a Senior Mobile Developer to build and evolve high-quality mobile applications across React Native, iOS (Swift), and Android (Kotlin). You will integrate digital wallets, REST and GraphQL services, and Firebase, while collaborating with backend engineers in an agile setting.

The role emphasizes secure development, scalable architectures, automated testing, and code quality. This is a remote, full-time opportunity open to professionals with disabilities, with

Qualifications

• Solid experience developing mobile apps with React Native.
• Strong proficiency in JavaScript and TypeScript for mobile development.
• Hands-on experience with native iOS (Swift) and Android (Kotlin).
• Experience integrating REST APIs, GraphQL, backend services, native SDKs, and Firebase.
• Knowledge of mobile architecture, design patterns, and maintainable code practices.
• Experience with automated testing, code reviews, QA, and debugging.
• Proficiency with Git and collaborative workflows.
• Knowledge of secure mobile development, data protection, performance, and scalability.
• Experience working in agile environments and cross-functional teams.

Responsibilities

• Integrate mobile apps with digital wallets and payment experiences.
• Collaborate with backend teams to connect with the Pismo platform.
• Design and implement maintainable mobile solutions with modular components.
• Conduct code reviews and implement automated tests to uphold quality.
• Work with agile squads to shape and improve digital products.
• Integrate REST APIs, GraphQL, native SDKs, and Firebase features.
• Apply secure development practices while optimizing performance and scalability.
• Follow version control best practices and drive lifecycle improvements.

Skills

React Native

JavaScript

TypeScript

Swift

Kotlin

REST APIs

GraphQL

Firebase

Git

Agile

Tools

Git

Job description

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a React Native/Kotlin Mobile Developer Senior based in Brazil.

We are seeking a senior mobile developer to build and evolve high-quality mobile applications in a collaborative, technology-driven environment. In this role, you will contribute to integrating digital wallets and connecting mobile experiences with backend financial platforms. You will work across React Native and native iOS and Android technologies, applying strong architectural principles and modern development practices. Your expertise will help ensure secure, scalable, and high-performing applications. Working closely with backend engineers and cross-functional agile squads, you will influence technical decisions, strengthen code quality, and deliver reliable product experiences. This remote, full-time opportunity is open to professionals with disabilities and offers access to continuous learning and professional development.

Accountabilities

• Integrate mobile applications with digital wallets and contribute to seamless, reliable payment-related experiences.

• Collaborate with backend engineering teams to integrate applications with the Pismo platform and associated services.

• Design and implement maintainable mobile solutions using sound architecture, modular components, and established design patterns.

• Conduct code reviews, implement automated tests, and uphold high standards of software quality and reliability.

• Work with agile squads and multidisciplinary teams to shape, develop, and continuously improve digital products.

• Integrate REST APIs, GraphQL services, native SDKs, and Firebase-powered mobile capabilities.

• Apply secure development practices and data protection principles while optimizing application performance, scalability, and stability.

• Follow version control best practices and contribute to continuous improvements in the mobile development lifecycle.

Requirements

• Solid professional experience developing mobile applications with React Native.

• Strong proficiency in JavaScript and TypeScript for mobile application development.

• Hands-on experience with native iOS development using Swift and Android development using Kotlin.

• Experience integrating REST APIs, GraphQL, backend services, native SDKs, and Firebase.

• Strong understanding of mobile architecture, componentization, design patterns, and maintainable code practices.

• Experience with automated testing, code reviews, software quality assurance, and debugging.

• Proficiency with Git and established source control and collaboration workflows.

• Knowledge of secure mobile development, data protection, application performance, and scalability.

• Experience working in agile environments and collaborating with multidisciplinary teams.

• Strong communication, analytical thinking, problem-solving skills, and a collaborative approach to delivering reliable software.

• Nice to have: Familiarity with agile methodologies, particularly Scrum, as well as test automation and automation across the software development lifecycle.

Benefits

• Meal and/or food allowance.

• Medical and dental insurance.

• Health coverage for pets.

• Home office allowance for remote work.

• Welcome kit during onboarding.

• Life insurance.

• Access to psychological and nutritional support through Zenklub.

• TotalPass wellness and fitness benefits.

• Certification and continuous learning programs with partners including Adobe, Anthropic, AWS, Google, Microsoft, and Salesforce.

• Professional development partnerships and discounts.

• Access to UOL content.

• Maternity welcome kit.

• Extended maternity and paternity leave.

• Employee referral program.

• Remote work flexibility and opportunities to grow technical expertise in mobile development and modern technologies.

• An inclusive work environment, with the opportunity available to people with disabilities.