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iOS Developer (Field Services)

Acumatica


Job Location:

Belgrade - Serbia

Monthly Salary: Not provided by the employer
Posted: 22 September 2026 (19 hours ago)
Application Deadline: 20 December 2026
Vacancies: 1 Vacancy

Job Summary

Role Overview and Team Mission 

You will play a key role in developing and evolving the iOS application that powers our field services operations creating a critical bridge between technicians in the field and our core ERP system. Your work will focus on building high-performance reliable mobile experiences that allow technicians to access capture and synchronize operational data in real time - even in challenging field conditions with limited or unreliable connectivity. 

As an iOS developer you will be responsible not only for implementing new functionality but also for shaping the architecture performance reliability and long-term evolution of the iOS application.

Core Responsibilities 

As an iOS developer you will navigate a workload focused primarily on native mobile development while maintaining a strong understanding of the backend services and systems that support the application. 

  • iOS Application Development: Architect and develop complex business logic and user experiences for our iOS applications. You will build highly responsive intuitive interfaces designed specifically for technicians working in demanding field environments. You will leverage modern Apple development technologies and frameworks to deliver reliable maintainable and high-performance mobile software. 
  • Backend Integration and Optimization: Work closely with our backend engineers to identify and resolve any issues optimize the systems that support the mobile app and troubleshoot any issues. 
  • Codebase Evolution: Systematically support optimize and refactor the existing iOS codebase. You are expected to proactively identify opportunities for architectural improvements modernization and reorganization that improve stability maintainability performance and execution speed. 
  • Quality and Reliability: Establish and maintain high standards for testing debugging error handling accessibility and application performance. You will be expected to investigate issues across the full application stack and identify root causes rather than simply treating symptoms. 

AI Innovation and Future-Proofing 

You should have a fundamental understanding of how modern AI technologies and models work below the surface including concepts such as inference model capabilities latency resource consumption and the tradeoffs involved in running AI-powered functionality in a mobile environment. 

A certain percentage of this role will involve helping determine how AI capabilities can be integrated efficiently into our iOS applications and proprietary mobile framework while maintaining appropriate performance reliability privacy and user experience. 


Qualifications :

Technical Requirements 

  • Native iOS Development:proficiency with Swift and strong experience developing production iOS applications using Xcode and the Apple SDK ecosystem. 
  • Modern Apple Frameworks:Strong experience with SwiftUI and/or UIKit along with modern technologies such as Swift Concurrency (async/await) Combine URLSession Core Data and other relevant Apple frameworks. 
  • Mobile Architecture:Solid understanding of mobile application architecture design patterns dependency management state management networking local persistence and maintainable code organization. 
  • Networking and API Integration:experience integrating RESTful and/or GraphQL APIs handling asynchronous operations authentication error handling caching and reliable data synchronization. 
  • Offline and Distributed Systems:understanding of applications operating with unreliable connectivity including local storage synchronization strategies retries conflict resolution and eventual consistency. 
  • Backend Understanding:competency particularly enough to understand troubleshoot and debug the services supporting the iOS application 

Preferred Experience 

  • Proficiency with developing and maintaining native iOS applications and/or software. 
  • Proficiency with both UiX/UX iOS performance profiling and debugging tools including Instruments Xcode debugging tools and memory/performance analysis. 
  • Proficiency with iOS performance profiling and debugging tools including Instruments Xcode debugging tools and memory/performance analysis. 

Additional Information :

What We Offer 

  • Competitive compensation package reflecting senior-level expertise
  • Direct impact on a high-growth product suite and professional advancement opportunities
  • The opportunity to work with a modern tech stack and implement under the hood AI solutions
  • Good relocation package (we help people to relocate to Serbia and handle the whole process)
  • Private health insurance & life insurance
  • 27 days of vacation
  • Paid sick leave
  • Performance bonuses
  • Full work equipment
  • Great opportunities for career growth

Remote Work :

No


Employment Type :

Full-time


About Company

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Acumatica is a company on a mission. We are a leading innovator in cloud ERP (Enterprise Resource Planning) with customers worldwide. But don’t take our word for it—read what analysts like G2 and Info-Tech have to say about us. Acumatica is different by design and purposely built to h ... View more

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