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Date:  5 Jul 2025
Company: 
Location: 

Sofia, BG

IOS Software Developer

Whether you’re just starting out or bringing years of experience, at Yettel we believe the right role isn’t just about responsibilities — it’s about growth, impact, and being part of something meaningful.

Take a look — this might be the opportunity you've been waiting for!

 

The impact you’ll make:

The iOS Software Developer will be responsible for designing, developing, and maintaining high-quality mobile applications for the iOS platform. You will work closely with cross-functional teams to create intuitive, feature-rich, and performant mobile experiences. The ideal candidate will have a solid foundation in iOS development, an eye for detail, and a passion for delivering top-tier applications.

 

What you’ll do:

  • Mobile Application Development
    • Design, develop, and maintain high-quality mobile applications for iOS using Swift and Objective-C

    • Work with cross-functional teams to define, design, and ship new features in mobile applications

    • Ensure the best possible performance, quality, and responsiveness of applications

    • Continuously discover, evaluate, and implement new technologies to maximize development efficiency

  • Collaboration & Cross-Functional Work
    • Collaborate with UI/UX designers to ensure seamless integration of design and functionality

    • Work with backend developers to integrate mobile apps with backend services and APIs

    • Participate in code reviews, knowledge sharing, and mentoring junior developers

    • Actively engage in sprint planning, daily standups, and retrospectives as part of the Agile development process

  • User-Centric Development
    • Focus on delivering the best possible user experience by translating designs and wireframes into code

    • Optimize mobile apps for maximum speed and scalability across a wide range of devices

    • Troubleshoot and debug applications to optimize performance and resolve issues

  • Testing & Quality Assurance
    • Write unit tests, integration tests, and UI tests to ensure app stability and minimize defects

    • Utilize debugging and profiling tools to troubleshoot and optimize performance issues

    • Collaborate with QA engineers to ensure that applications are thoroughly tested before release

  • App Deployment & Maintenance
    • Ensure smooth deployment of applications to the Apple App Store, adhering to all guidelines and requirements

    • Manage version control and release processes for mobile applications

    • Monitor app performance post-release and ensure any critical issues are addressed promptly

  • Continuous Improvement & Innovation
    • Stay up-to-date with the latest trends, technologies, and best practices in iOS development

    • Suggest improvements to optimize the development process and app performance

    • Contribute ideas and innovations to the mobile development team and the broader product development process

 

To thrive in this role, you’ll need:

  • Mobile Development Expertise
    • Proven ability to design, build, and maintain high-quality iOS applications, backed by a solid portfolio of released apps

  • Platform Proficiency
    • Skilled in native iOS development using Swift and Objective-C. Familiarity with cross-platform frameworks such as React Native or Flutter is a plus

  • Development Tools & Environments
    • Experienced with Xcode and other platform-specific development tools

  • UI/UX Implementation
    • Strong understanding of iOS UI/UX design principles and the ability to translate design concepts into intuitive, responsive user interfaces

  • API Integration & Backend Communication
    • Hands-on experience integrating iOS applications with backend services using RESTful APIs

  • Architecture & Design Patterns
    • Solid knowledge of iOS app architecture and commonly used design patterns such as MVC, MVVM, or similar

  • Testing & Quality Assurance
    • Proficient with iOS testing frameworks like XCTest and XCUITest to ensure reliability and maintainability

  • Version Control & Collaboration
    • Comfortable working with Git-based version control systems and following collaborative development workflows in cross-functional teams

  • App Deployment
    • Knowledgeable about the full app deployment lifecycle, including the submission process for the Apple App Store

  • Collaboration & Communication
    • Effective communicator and team player with the ability to work closely with designers, backend engineers, and product stakeholders

  • Problem Solving & Code Quality
    • Detail-oriented with strong problem-solving skills and a commitment to writing clean, maintainable, and high-performance code

 

What’s in It for you:

Financial & Time-Off Perks

  • 25 days of paid leave (birthday included!)
  • +4 bonus days if you use all your time off
  • 1-month sabbatical every 5 years
  • Annual bonus based on performance
  • Food & gift vouchers every month
  • Travel allowance

Mobile & Tech Goodies

  • Unlimited mobile & internet
  • Exclusive discounts on devices and accessories

Health & Wellbeing

  • Premium health insurance
  • Wellbeing support: in-house psychologist, sports at the office, expert talks
  • Discounted Multisport or Coolfit cards

Growth & Learning

  • Top online learning platform access
  • Supportive team and manager
  • Your ideas shape what we build

Purpose & Culture

  • Do work that matters — we create real impact
  • We're serious about sustainability and social responsibility

A Tip from Us:

  • AI is great, but this part is all you! We encourage AI at work, but for your application, we’d love to hear your own thoughts, experiences, and motivation.
  • You don’t need to tick every box! If this role excites you, go for it! We value potential over perfection. 

 

Join Yettel now by sending us your up-to-date CV. 


Only shortlisted applicants will be contacted with information about next steps of our selection process.


Applicants are treated with strict confidentiality following the applicable personal data protection legislation.

Apply now »