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Sigma Solutions

Senior iOS Developer Swift, Objective-C, OOP

Sigma Solutions

ITviec
Vietnam7 days ago

Job Description

Top 3 Reasons To Join Us Attractive Salary & Bonus + Challenging projects Working with top developers from Europe Unlimited chances for promotions, self-development The Job
  • Build and develop mobile applications for big clients in Poland, US and Europe.
  • Develop and maintain iOS applications using Swift and Objective-C.
  • Maintain and improve legacy modules written in Objective-C.
  • Build reusable components, internal libraries, frameworks, or CocoaPods / Swift Packages.
  • Work on testing, bug fixing, performance optimization and code quality improvement.
  • Collaborate with backend developers, QA engineers, UI/UX designers and Project Managers.
  • Continuously discover, evaluate and implement new technologies to maximize development efficiency.
Your Skills and Experience

Core Requirements

  • At least 3+ years of experience working with iOS SDK and Xcode.
  • Strong experience with Swift.
  • Basic knowledge or experience with Objective-C.
  • Strong knowledge of OOP principles and common design patterns.
  • Experience with MVC / MVVM architecture.
  • Experience building UI components and understanding UI/UX principles.
  • Experience working with REST APIs, WebSocket, Firebase or Web Services (JSON/XML).
  • Experience with offline storage and multi-threading.
  • Experience with Git version control.
  • Experience with testing (Unit Test) is a plus.
  • Experience with code optimization and performance tuning is an advantage.

Nice to Have

  • Experience building reusable iOS libraries, frameworks, or CocoaPods / Swift Packages.
  • Experience working with video streaming technologies, such as:
    • AVPlayer
    • HLS streaming
  • Basic understanding or experience with DRM systems (e.g. FairPlay DRM).
  • Experience integrating video player SDKs or working on media / OTT applications.
  • Experience with SwiftUI or Combine.
  • Experience working with CI/CD pipelines.

Soft Skills

  • Creative, ambitious and proactive mindset.
  • Strong problem-solving skills.
  • Good communication in English (reading & writing technical documents).
  • Team-oriented but able to work independently.
Why You'll Love Working Here

BENEFITS:

  •  Attractive Salary
  •  Annual Bonus
  •  Flexible working time
  •  Health Insurance with Annual check-up
  •  Company activities (daily team building, annual company holiday…)
  •  Passionate colleagues
  •  Creative, comfortable and young working space
  •  Energetic, open and transparent working environment with care like a happy family 
  •  Various chances to develop further at work with support and cooperation from experienced team members
  •  Snacks, tea and coffee all the time
  •  Free to pursue personal hobbies 

Benefits

BENEFITS:

  •  Attractive Salary
  •  Annual Bonus
  •  Flexible working time
  •  Health Insurance with Annual check-up
  •  Company activities (daily team building, annual company holiday…)
  •  Passionate colleagues
  •  Creative, comfortable and young working space
  •  Energetic, open and transparent working environment with care like a happy family 
  •  Various chances to develop further at work with support and cooperation from experienced team members
  •  Snacks, tea and coffee all the time
  •  Free to pursue personal hobbies