Job Title: Senior Mobile Developer

Location: Urla, Izmir

About Efsora

We are a fast-growing software and AI development company that partners with innovative enterprises and scaleups to deliver large, cutting-edge R&D projects. Our teams work as extensions of our clients’ internal R&D, combining advanced technology expertise, AI-centric engineering, and agile development to build impactful solutions. We focus on augmenting our clients’ R&D capabilities, accelerating innovation, and managing technical risks from early-stage prototyping to full-scale deployment.

As part of our team, you’ll work on exciting, high-stakes projects that shape the future of industries, collaborate with top-tier talent, and grow your skills at the frontier of AI and software development.

The Opportunity

We are seeking an exceptional Senior Mobile Developer with a mastery of React Native to lead the technical development of our mobile applications. You will be building high-stakes, enterprise-grade mobile applications where performance, accuracy, and reliability are paramount. You will be responsible for designing, prototyping, and building core mobile experiences within a cross-functional team of AI engineers, product managers, and software developers.

What You'll Do

• React Native Development: Design, build, and maintain advanced, high-performance features for our applications using React Native.
• Performance Engineering: Relentlessly profile and optimize the application for low-latency rendering, smooth animations, and thermal/battery efficiency.
• Prototyping & R&D: Research and prototype novel approaches to solving complex technical challenges, including custom visualizations and AI integrations.
• Quality & Best Practices: Write robust, maintainable, and highly reliable code. Participate in rigorous testing, validation, and documentation to ensure enterprise-grade stability.

What We're Looking For

• Experience: 5+ years of professional mobile development experience.
• React Native Expertise: Deep proficiency in React Native and the JavaScript/TypeScript ecosystem. You should have a strong understanding of state management (Redux, Context API, etc.) and hooks.
• Testing: Strong experience with mobile testing frameworks (such as Jest, Detox, or React Native Testing Library) and a commitment to writing robust unit, integration, and UI tests.
• DevOps: Proven experience with CI/CD pipelines for automated mobile app builds, testing, and release management (e.g., Fastlane, GitHub Actions).
• Problem Solver: Exceptional analytical and problem-solving skills, with a proven ability to tackle novel and complex challenges.
• Portfolio: A portfolio of released applications that showcases your work in React Native.

Bonus Points If You Have

• Native Platform Knowledge: Proficiency in native development for Swift / Objective-C (iOS) or Kotlin / Java (Android) to build custom native modules.
• Flutter Expertise: Experience building applications using the Flutter framework.
• Advanced Graphics: Experience developing for iOS / ARKit or Android / ARCore.