Senior iOS Developer (Fintech/Blockchain)

Company Description

Join a FinTech/blockchain initiative that’s redefining digital identification and payments. As a Senior iOS Developer, you’ll contribute to a mobile-first platform integrating blockchain, NFC, and QR technologies to deliver seamless identity verification, payments, and rewards. This role offers remote flexibility and the chance to work on a product with both mass-market appeal and B2B reach. At Sigma Software, we partner with forward-thinking companies to deliver innovative solutions. Here, you’ll be part of a project with global scale, cutting-edge tech, and strong growth potential. Why join us? You’ll work at the intersection of financial innovation, blockchain, and HealthTech, shaping solutions adopted worldwide.

CUSTOMER

Our Customer is a publicly listed technology company operating at the intersection of financial innovation, blockchain, and HealthTech. They focus on developing cutting-edge digital asset solutions, including a U.S. dollar-backed deposit token built with integrated digital identity and yield functionality. Combining blockchain with HealthTech applications, they aim for global adoption through strategic partnerships and strict compliance with financial regulations.

PROJECT

This mobile-first platform leverages blockchain, NFC, and QR technology to integrate retail loyalty programs with enterprise networking tools. Users can instantly share verified contacts, payments, and rewards. The product combines hardware and software integration with global reach and significant growth potential. Key technologies: iOS, Swift, UIKit/SwiftUI, blockchain, NFC, and QR code technology.

Job Description

• Develop high-quality iOS applications following SOLID principles and Clean Architecture
• Implement strong modularization of app components
• Build design systems and reusable UI components
• Collaborate with cross-functional teams, including Android developers and Back-end engineers
  
  

Qualifications

• 5+ years of iOS app development experience
• Deep knowledge of SOLID principles and Clean Architecture
• Strong modularization skills
• Experience building design systems and reusable components
• Proficiency in Swift, UIKit, and SwiftUI
• Upper-Intermediate level of English
  
  

WILL BE A PLUS

• Experience with crypto wallets
• Experience with video processing or streaming features