DEV Jobs in Web3

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Job Position Company Posted Location Salary Tags

sigmasoftware2

Poland

$72k - $72k

Base

New York, NY, United States

$87k - $87k

The Sia Foundation

Boston, MA, United States

$149k - $178k

Tether

Remote

Zscaler

Remote

$182k - $260k

Zscaler

Remote

$147k - $210k

Zscaler

Remote

$90k - $100k

Copperco

London, United Kingdom

$25k - $85k

Bitgo

Remote

$180k - $220k

B2c2

Remote

$87k - $109k

Greater Records

San Francisco, CA, United States

$90k - $95k

Token Metrics

Austin, TX, United States

$84k - $150k

Sum Pictures

Los Angeles, CA, United States

$85k - $87k

Atlas Search

New York, NY, United States

$100k - $140k

Animoca Brands Limited

Singapore, Singapore

$72k - $100k

sigmasoftware2
$72k - $72k estimated
KrakĂłw, Poland
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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
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