Senior iOS Engineer at Uber

ScaleFocus is one of the key technological partners of Uber and now we have the opportunity for enthusiastic Senior iOS Engineers to join Uber’s team in Sofia and help building a future where everyone and everything can move independently.

Do you have what it takes to become part of the fastest growing startup and one of the largest microservice deployments in history?


You Will:

Depending on your expertise, you will have the opportunity to grow where your interests match best, because of Uber’s variety of roles:

  • High-performance systems – Experience with building high performance distributed systems that can scale to 100,000s QPS
  • Core Infrastructure – Experience with developing and running large scale distributed storage systems, service-oriented architectures, and reliable monitoring and deployment infrastructure
  • Data Processing – experience with building and maintaining large scale and/or real-time complex data processing pipelines using Kafka, Hadoop, Hive, Storm, and Zookeeper
  • Machine Learning – experience with machine learning, information retrieval, algorithmic complexity, data mining, pricing, optimization
  • Geospatial – Familiarity with geospatial datasets and services, such as maps, local search, points of interest and business listings data, mobile device location and GPS traces

You need:

  • Experience with writing, releasing, maintaining mobile code
  • Strong expertise in Swift and Objective-C
  • Experience analyzing a feature in production using analytics and experiments
  • Strong focus on high-quality mobile UI experiences
  • Strong knowledge of Object-Oriented Design, Data Structures, Asynchronous Communication, MVC patterns
  • Experience with 3rd party SDKs and frameworks
  • Experience with REST services, strong knowledge with HTTP, HTTP/2
  • Strong analytical and programming skills
  • Experience efficiently collaborating on projects
  • Deep understanding of iOS SDK
  • Commitment to quality, performance and efficiency
  • Experience in taking ownership
  • Fluent English

Stand out with:

  • BS/MS/PhD in Computer Science or a related field
  • Experience with other programming languages
  • Contribute to the wider iOS community via open source



ScaleFocus is an European IT solutions delivery center. Enabling our global customer base through technology excellence, R&D and innovation, we are focusing on advanced engineering services and bespoke consultancy in the domains of Digital, Data and Cloud. Through team care and customer success obsession, we are engaging in fulfilling partnership journeys of open communication, respect, trust and drive for tangible business outcomes.


Competitive remuneration package

Training and development

Career enhancement

Flexibility with working hours

Transport card or parking lot

Health care coverage for you and your children

Friendly environment, provided by team of great professionals

Sports subscription

After your 4th year:

Car leasing covered by ScaleFocus

Additional pension fund

Additional funding for life insurance

Kinder garden/educational expenses coverage

If you find the position interesting and would like to apply send us your CV.

Please note that only shortlisted candidates will be contacted for an interview.

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