SD Solutions

Poland·Warsawmid

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Quick Summary

Key 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.

Requirements Summary

5+ years of frontend/mobile development experience. Strong production experience with React 2-3 years of backend development (Java or Kotlin) is an advantage.

Technical Tools

Other

On behalf of FinTech Client #3, SD Solutions is looking for a talented Senior Full Stack Developer.

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

~1 min read

→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

~1 min read

Experience with React.
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

A fintech company that builds point-of-sale financing and consumer credit products for everyday service businesses. Their solution is deployed at thousands of service locations — including auto service centers, dental offices, optical clinics, and veterinary practices — and is managed through a no-fee mobile credit card.

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