Sr. Software Engineer - React Native - Pro in Brazil, Indiana at Jobgether

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Sr. Software Engineer - React Native - Pro in Brazil.

This role sits at the core of a high-performance engineering team building advanced mobile trading experiences for professional users in the crypto and fintech space. You will help design and evolve a flagship mobile application used by sophisticated traders worldwide, where performance, precision, and reliability are critical. Operating in a fully remote, global environment, you will collaborate with world-class engineers to deliver seamless, scalable, and secure mobile features. The position requires a strong product mindset, deep technical expertise in React Native, and a passion for crafting exceptional user experiences. You will also play a key role in technical decision-making, shaping architecture, and ensuring engineering excellence across complex systems. This is an opportunity to directly impact a high-visibility trading platform used in fast-moving financial markets.

• Design, develop, and maintain high-quality mobile applications using React Native for a professional trading platform.
• Lead the implementation of complex features while ensuring performance, scalability, and reliability across mobile environments.
• Contribute to technical architecture decisions and help define engineering standards for frontend and mobile development.
• Collaborate with cross-functional teams to deliver seamless user experiences for advanced trading workflows.
• Mentor engineers and provide technical guidance to elevate code quality and engineering practices across the team.
• Optimize application performance, API integration, and real-time data handling using WebSockets and modern architectures.
• Participate in system design discussions, ensuring scalable and maintainable solutions aligned with product strategy.
• Drive improvements in development processes, testing practices, and frontend tooling.
• Ensure high standards of UI/UX quality and consistency across mobile applications.

• 6+ years of experience in software development, with strong focus on mobile and web applications.
• Expert-level proficiency in JavaScript/TypeScript and React Native development.
• Strong experience building and consuming APIs, with focus on performance, security, and scalability.
• Hands-on experience with modern frontend architectures, including Next.js and WebSockets.
• Solid understanding of frontend testing frameworks and quality assurance practices.
• Familiarity with mobile development tooling, build pipelines, and CI/CD processes.
• Strong understanding of UI/UX principles and ability to collaborate with design teams.
• Experience working in fast-paced, high-growth tech environments or large-scale engineering organizations.
• Exposure to fintech, trading platforms, or crypto-related applications is highly valuable.
• Familiarity with native mobile development (iOS/Android using Kotlin, Java, or Objective-C) is a plus.
• Excellent communication skills in English, both written and verbal.
• Strong ownership mindset with ability to work independently in a distributed, remote-first environment.

• Fully remote position with global flexibility across multiple regions.
• Opportunity to work on a high-impact, high-traffic crypto trading platform used by professional traders worldwide.
• Competitive compensation aligned with senior-level engineering expertise.
• Exposure to cutting-edge technologies in fintech, crypto, and real-time systems.
• Collaborative, global engineering culture with highly skilled peers.
• Strong focus on technical excellence, autonomy, and ownership.
• Opportunity to influence architecture, product direction, and engineering standards.
• Dynamic environment with continuous learning and complex technical challenges.
• Inclusive workplace that values merit, diversity, and individual contribution.