CONVOTIS
CONVOTIS
501 – 1,000 Employees
B2BSaaS
CONVOTIS is a global strategic IT partner helping businesses modernize operations and improve efficiency. Its services span Business IT, Platform IT, and Managed IT, covering business applications, digital platform solutions, and end-to-end IT infrastructure management. With around 1,000 employees across 23 locations in nine countries, CONVOTIS supports B2B and SaaS organizations through flexible, long-term partnerships and 24/7 IT support.

Mobile SDK Engineer (iOS) – Hybrid, Spain

Develop iOS SDKs and data-collection solutions for Apple devices. Help harmonize Speedtest and Umlaut SDKs while improving their performance.

Description

  • Build and maintain iOS solutions and components
  • Contribute to the evolution and harmonization of the Speedtest and Umlaut SDKs
  • Deliver new features and enhancements in Swift
  • Design and develop reusable SDKs, libraries, and components
  • Work with technical colleagues to ensure reliable SDK integration and operation
  • Investigate technical issues affecting application behavior across Apple devices and iOS versions
  • Analyze and optimize the performance of developed solutions

Requirements

  • At least five years of native iOS development experience
  • Strong command of Swift
  • Experience building SDKs, frameworks, libraries, or reusable components
  • Knowledge of mobile architecture and software development best practices
  • Experience working with APIs and integration processes
  • Ability to contribute to complex technical projects in a collaborative environment
  • Advanced English proficiency (B2/C1)
  • Experience with data-collection, telemetry, or measurement SDKs is valued
  • Knowledge of performance tuning and optimization on Apple mobile devices is valued
  • Experience with analysis and monitoring tools is valued
  • Knowledge of Objective-C is valued
  • Experience publishing and maintaining applications or SDKs within the Apple ecosystem is valued
  • Experience with telecommunications, networking, or connectivity-measurement projects is valued

Benefits

  • Flexible working hours with schedule adjustments
  • Option to work from the office or home
  • Office amenities including coffee, sweets, and table football
  • Health insurance
  • Flexible compensation
  • Internal events
  • Outdoor activities
  • Recreational days
  • Padel matches
  • Flexible vacation scheduling
  • Training opportunities
  • English classes
  • Certifications

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