React Native Developer Payments Domain

Wissen Technology is Hiring for React Native Developer Payments Domain 

About Wissen Technology:   

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients with the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent.  Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact the first time, every time. 

Job Summary : Wissen Technology is hiring an experienced React Native Developer with a strong background in building scalable and secure mobile applications, specifically in the Payments, Digital Wallet, or UPI (Unified Payments Interface) domain. The ideal candidate should have a deep understanding of mobile security, seamless user experience, and financial transaction flows.  

Experience: 4 11 years 

Location: Bengaluru / Pune  

Mode of Work: Full time -hybrid 

Key Responsibilities:  

• Develop and maintain cross-platform mobile applications using React Native.  
  
• Build and integrate payment gateways, UPI flows, and wallet features into mobile apps.  
  
• Ensure application security, performance, and scalability, particularly around financial transactions.  
  
• Collaborate with product managers, designers, and backend developers to deliver secure and intuitive payment features.  
  
• Implement real-time notifications, transaction history, and wallet balance tracking.  
  
• Monitor app performance and optimize for speed and battery efficiency.  
  
• Maintain high code quality and participate in regular code reviews.  
  
• Stay updated with the latest compliance, security protocols, and updates in the Indian payment's ecosystem (like NPCI guidelines, RBI mandates, etc.).  
  

Requirements:  

• 4+ years of experience in React Native mobile development. 
  
• Strong understanding of JavaScript, TypeScript, and mobile architecture.  
  
• Experience with UPI integration, Razorpay, Paytm, PhonePe, Google Pay, or similar payment platforms. 
  
• Deep understanding of payment workflows, wallet systems, and transaction safety. 
  
• Familiarity with OAuth, token-based authentication, PCI DSS compliance, and secure storage. 
  
• Solid knowledge of Redux, Context API, or any state management tool. 
  
• Hands-on experience with REST APIs, WebSockets, and real-time data syncing. 
  
• Familiarity with publishing apps to Google Play Store and Apple App Store. 
  

Good to have skills: 

• Experience working in a FinTech or payments company. 
  
• Knowledge of encryption, biometric authentication, and device-level security. 
  
• Familiarity with Indian financial systems, NPCI APIs, or banking APIs. 
  
• Exposure to CI/CD pipelines, Firebase, or Crashlytics for analytics and monitoring. 
  

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