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MiddleSenior iOS Developer

Devexperts


Job Location:

Sofia - Bulgaria

Monthly Salary: Not provided by the employer
Posted: 7 November 2026 (Yesterday)
Application Deadline: 4 February 2027
Vacancies: 1 Vacancy

Job Summary

We are looking for an iOS Developer to join the team.   

We are a multicultural distributed team working for one of the largest brokerage companies in North America. Our team is responsible for the development of native iOS and Android apps aimed at providing the best trading experience on mobile to thousands of users daily. The project is fairly large involving more than 100 colleagues from different competencies including a mobile team consisting of 15 developers. Together we develop a software platform that consists of several components using a variety of technologies.

We are looking for an inquisitive and responsible colleague who is not afraid of challenges and who takes pride in figuring out difficult problems and learning new things.

We expect the Middle/Senior iOS Developer to: 

  • Develop a state-of-the-art native mobile app in UIKit and SwiftUI
  • Discuss and align best practices with other developers on the team
  • Collaborate with colleagues to tackle complex issues and find the best solution
  • Collaborate with designers and business analysts to clarify requirements
  • Investigate performance issues and improve UI responsiveness
  • Automate repetitive tasks through Continuous Integration to improve efficiency
  • Implement new features as well as maintain existing functionality
  • Share your expertise during code review activities and refinement sessions

Tech Stack:

  • Primary: Swift RxSwift UIKit SwiftUI
  • Additional: Objective-C j2objc Cocoapods SPM
  • Tools: Xcode Instruments Git Jira BitBucket TeamCity

    Qualifications :

    Must-have skills:

    • Mastery of Swift with a strong grasp of memory management and concurrency
    • Reactive Programming experience using RxSwift or Combine
    • Solid experience with programmatic UI implementations
    • Ability to understand and work with Objective-C code
    • Understanding Swift-Objective-C interoperability
    • Strong understanding of data structures OOP FP SOLID principles
    • 3 years of professional experience in Software Development
    • Interest in the financial markets domain
    • Analytical and problem-solving skills
    • Fluent English (B2 level).

    Nice-to-have skills:

    • Background in Computer Science
    • Knowledge of Computer Networks and network protocols (TCP Websockets)
    • Familiarity with CI tools such as TeamCity bundler fastlane
    • Knowledge of Shell script and Ruby
    • Experience with Java/Kotlin and Maven
    • Experience in server-side or full-stack development
    • Experience working in large-scale projects
    • Experience in trading and capital markets
    • Excellent written and verbal communication skills.

    Additional Information :

    Care for the employees is one of Devexperts core values. For the suggested position we offer a benefits package that will guarantee the comfort of our new teammate.  

    Flexibility benefits:

    • Possibility of hybrid/remote work mode
    • Flexible working hours.

    Health and recreation benefits:

    • 20 days of paid vacation
    • 5 days of fully paid additional wellness days
    • Medical insurance premium package
    • Free MultiSport card.

    Facility benefits:

    • Modern office with new equipment
    • Panoramic view of Vitosha mountain
    • PlayStation Billiard Relax zone and Gym
    • Parking space/public transport card
    • Free drinks and snacks.

    Community benefits:

    • Teambuilding activities
    • Corporate parties
    • Football club
    • Speakers club
    • Free admission to corporate external events
    • Possibility of joining conferences and professional fairs.

    Professional training benefits:

    • Unlimited access to self-learning platforms
    • Certification opportunities
    • Mentorship Program.

    Social benefits:

    • Referral bonuses for specific roles
    • Paid leave upon special events.

    Remote Work :

    No


    Employment Type :

    Full-time


    About Company

    dxFeed is the leading provider of data services for the Capital Markets industry, sourcing and storing direct market data feeds from a variety of exchanges and market participants around the world, having built one of the most comprehensive ticker plants, in addition to offering the b ... View more

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