NDA FinTech | Senior React Native Engineer at SD Solutions · Warsaw

On behalf of NDA, FinTech, SD Solutions is looking for a talented Senior React Native Engineer .

As a Frontend Engineer, you will take ownership of a strategic, gamified platform that serves as the primary engagement and social hub for tens of thousands of NDA, FinTech associates. You will develop new features for our mobile app, shaping a unique user experience that blends high-stakes business logic with interactive gaming, social networking, and professional training. In this role, you will build the next generation of communication and reward tools that connect our massive user base at the point of sale, directly impacting NDA, Fintech growth, and market exposure.

SD Solutions is a staffing company operating globally. Contact us to get more details about the benefits we offer.

Responsibilities:

• Develop and maintain the customer-facing native application.
• Take ownership of the end-to-end development of new Sunbeast features, from concept to deployment.
• Collaborate closely with backend engineers to integrate APIs and deliver a seamless, high-performance user experience.
• Write clean, efficient, and maintainable code, adhering to best practices and team standards.
• Contribute to a collaborative environment, sharing your expertise and mentoring other team members.

Requirements:

• 5+ years of frontend/mobile development experience.
• Strong production experience with React Native (must-have—including app lifecycle and deployment to stores).
• Deep knowledge of JavaScript, TypeScript, and CSS.
• Experience publishing/maintaining apps in Google Play and the App Store.
• End-to-end ownership mindset—proactive, resourceful, self-motivated
• Resourceful, self-motivated, and capable of working independently in a fast-paced environment.
• B.Sc. in Computer Science or equivalent.
• Fluent in English (daily collaboration with the Israel team).

Preferred Experience:

• Experience with React.
• Familiarity with backend development (Java or Kotlin) is an advantage.
• Experience with end-to-end testing frameworks like Playwright.
• Knowledge of WebSockets.
• Prior experience in a fintech company, especially with payment processing or financial services.
• Experience with AI development tools like Cursor and Claude Code

About the company:

NDA, FinTech, builds financial technology for real life. Our technology eases the stress of paying for life’s expenses by giving people more options on how and when they pay. Founded in 2016, NDA, FinTech offers a next-generation, no-fee credit card that can be managed through a powerful mobile app, as well as a point-of-sale payment option available at more than 25,000 service locations, including auto dealership service centers, optical practices, dentist offices, veterinary clinics, and specialty healthcare services

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