Staff Mobile Engineer

About the job Location:Hybrid — Curitiba, Brazil (1–2 days/week on-site) Type:Contract (PJ) Schedule: Must be available to work US hours (Mountain Standard Time - MST)About REDXREDX is a SaaS company that builds prospecting software to help real estate agents and teams grow their business. Our platform offers high-quality lead data, productivity tools. We empower agents to build sustainable, scalable businesses by simplifying the listing process and providing the tools they need to succeed.About the Role We’re looking for aStaff Mobile Engineerwith deep expertise inFlutter and/or React Nativeto help lead the architecture, development, and evolution of our mobile applications. You’ll work closely with design, product, and backend teams to deliver high-impact features and ensure seamless performance across platforms.This role requires someone with a strong foundation in software development (7+ years), with 5+ yearsspecifically in mobile app development , and the ability to lead, mentor, and own projects from conception to production.What You'll Be Working With Mobile:Flutter, React Native Backend:Node.js, Nest.js, MongoDB, Mongoose Frontend(Web): React, Angular Infrastructure:GCP, AWS, GitHub Actions (CI/CD)What We're Looking For 5+ years of experience building and maintaining mobile apps in production environments 7+ years of professional experience in software development Deep expertise in Flutter and/or React Native — you’ve shipped apps, solved performance issues, and know the ecosystems inside and out Strong proficiency with TypeScript Strong product intuition and user-centric thinking Excellent communication skills and ability to thrive in a fast-paced, collaborative startup environmentBonus Points Familiarity withGCP(Google Cloud Platform) and/orAWS Experience withvideo hosting, real-time data, or automation workflows Background insystem designand mobile architecture at scale Experience building SDKs or mobile frameworks for reuse across teams Familiarity withNode.jsand modern backend patterns (Nest.js experience is a plus) Experience working in cross-functional teams and mentoring junior engineers Comfort working in CI/CD environments and managing deployments Experience working in a CRM or SaaS product companyWhat You'll Get • Real ownership over your work and visibility into how it impacts users • Collaboration with a sharp team across product, design, and leadership • A fast-moving environment where ideas are welcomed and results matter • Competitive salary: $2200 - $4000 (USD) Depending on experience • Flexible Schedule • English classes to support professional growth • Team lunches and regular team-building activitiesWe're not hiring just to fill a seat. We're hiring someone who wants to make a difference, contribute at a high level, and help us scale with quality and clarity. If that sounds like you, let's talk.Note: This is a senior-level position that requires at least5 years of hands-on experience building mobile applications and 7 years of professional software development experience. If your background doesn't yet align with these requirements, we truly appreciate your interest, but this may not be the right fit at this time. We encourage you to check back in the future as our team continues to grow. This is a contract (PJ) position with potential for growth. The role is hybrid, with 1–2 days/week expected in our Curitiba office and the rest remote. You must be available to work during US hours (MST) to ensure team alignment.***Please submit your application with your resume along with filling out this quick culture index survey: