iOS App Developer – Backend Scalability Workstream

TechFlow Inc

Project-based · Remote · Flexible hours

About the role

TechFlow Inc is launching an integration project that ties together billing, CRM, and internal APIs into a seamless iOS experience. We need an iOS App Developer to design, implement, and test the client‑side logic that connects these services while maintaining high performance and security.

Key responsibilities

• Architect and code Swift modules that consume REST APIs from billing, CRM, and internal services
• Implement secure authentication flows and data synchronization across platforms
• Collaborate with backend engineers to define API contracts and error handling
• Write unit and UI tests to ensure reliability in diverse network conditions
• Document integration patterns and provide knowledge transfer to the internal team

Must-have skills

• Proficient Swift development for iOS 13+
• Strong experience with RESTful API consumption and JSON parsing
• Understanding of authentication mechanisms (OAuth, JWT)
• Ability to work independently in a remote, project‑based setting

Nice to have

• Familiarity with Combine or RxSwift for reactive data handling
• Experience integrating third‑party SDKs for billing or CRM
• Knowledge of CI/CD pipelines for iOS apps