iOS Developer (Banking)

OBSS; Fatih; On-site; TRY 300,000 - 540,000; Full time

Job summary

OBSS is seeking an experienced iOS Developer to join our team in Istanbul. You will design, develop, and maintain high-quality native iOS applications, collaborating with UX/UI designers, backend developers, analysts, and product managers to deliver end-to-end mobile solutions.

The ideal candidate has 5+ years of native iOS experience, strong Swift and iOS SDK skills, and a solid grasp of MVVM/MVP/VIPER or Clean Architecture. A proactive contributor to AI-enabled workflows is a plus.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• Minimum 5 years of professional experience developing native iOS applications.
• Strong proficiency with Swift and the iOS SDK.
• Solid understanding of Object-Oriented Programming and common design patterns (MVVM, MVP, VIPER, Clean Architecture).
• Experience with iOS frameworks such as UIKit, Core Data, Core Animation, SwiftUl, Combine and networking libraries (e.g., Alamofire).
• Familiarity with RESTful APIs and integrating backend services.
• Experience with unit testing and UI testing frameworks (e.g., XCTest).
• Working knowledge of Agile/Scrum development methodologies.
• Proficiency with version control systems, especially Git.
• Good problem-solving skills, attention to detail, and a strong analytical mindset.

Responsibilities

• Design, develop, and maintain high-quality native iOS applications using Swift.
• Work closely with cross-functional teams to deliver seamless and high-quality mobile solutions.
• Architect scalable and maintainable mobile app components using MVVM/MVP/VIPER or Clean Architecture.
• Write clean, efficient, and well-documented code following best practices.
• Participate in Agile/Scrum ceremonies such as sprint planning and daily stand-ups.
• Perform code reviews to maintain code quality and share knowledge within the team.
• Optimize app performance and ensure responsiveness.
• Stay up-to-date with the latest iOS trends and integrate relevant technologies.
• Troubleshoot and debug issues to ensure best user experience.

Skills

Swift

iOS SDK

MVVM

MVP

VIPER

Clean Architecture

Alamofire

UIKit

Core Data

Core Animation

Combine

SwiftUI

RESTful APIs

XCTest

Agile/Scrum

Git

CI/CD (Jenkins, GitHub Actions)

Education

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field

Tools

SwiftUl

Job description

OBSS is Turkey’s largest technology consultancy, pioneering product development and technology consulting for an AI-native future. With more than 20 years of experience and offices in Istanbul, Ankara, London, we empower leading companies in banking and finance, insurance, e-commerce, retail, and the start-up ecosystem. Our team of over 1000 talented professionals thrives on collaboration, innovation, and continuous learning. We are now looking for an iOS Developer to join us and contribute to building high-quality, end-to-end solutions that create real business impact.

OBSS is looking for an iOS Developer to join our dynamic team and contribute to delivering end-to-end software solutions across diverse industries. You will work on cutting-edge projects, collaborating with cross-functional teams to design, develop, and maintain high-quality applications that solve real business problems.

Main Responsibilities

• Design, develop, and maintain high-quality native iOS applications using Swift.
• Work closely with cross-functional teams - including UX/UI designers, backend developers, business analysts, and product managers - to deliver seamless and high-quality mobile solutions.
• Architect scalable and maintainable mobile app components, applying design patterns such as MVVM, MVP, VIPER or Clean Architecture.
• Write clean, efficient, and well-documented code following best practices.
• Participate actively in Agile/Scrum ceremonies such as sprint planning, daily stand-ups, and retrospectives.
• Perform code reviews to maintain code quality and share knowledge within the team.
• Optimize app performance and ensure responsiveness.
• Stay up-to-date with the latest trends and advancements in iOS development and integrate relevant technologies.
• Troubleshoot and debug issues to ensure the best possible user experience.

Qualifications / Technical Skills

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• Minimum 5 years of professional experience developing native iOS applications.
• Strong proficiency with Swift and the iOS SDK.
• Solid understanding of Object-Oriented Programming and common design patterns (MVVM, MVP, VIPER, Clean Architecture).
• Experience with iOS frameworks such as UIKit, Core Data, Core Animation, SwiftUl, Combine and networking libraries (e.g., Alamofire).
• Familiarity with RESTful APIs and integrating backend services.
• Experience with unit testing and UI testing frameworks (e.g., XCTest).
• Working knowledge of Agile/Scrum development methodologies.
• Proficiency with version control systems, especially Git.
• Good problem-solving skills, attention to detail, and a strong analytical mindset.
• Excellent communication and teamwork skills; ability to work effectively in cross-functional teams.
• Experience with continuous integration tools (Jenkins, GitHub Actions, etc.).
• Published apps in the App Store or contributions to open-source projects.
• Ability to approach AI with curiosity and intention, actively incorporating AI-powered tools into workflows to enhance productivity and drive innovation.

Additional Informations

Professional Growth & Learning

As a tech company, we focus on reskilling and upskilling to support career growth. We offer a personalized Individual Growth Program (IGP), where employees set clear goals for each half of the year. These goals may include trainings, certifications, and personal development milestones, creating a structured roadmap for continuous improvement. The IGP helps employees strengthen both technical and soft skills, ensuring steady professional advancement.

Company Culture and Values

We celebrate diversity, inclusion, and equal opportunity, fostering a collaborative environment where innovation can flourish. Our culture emphasizes mentorship, knowledge sharing, and active participation in tech communities, workshops, and team events. This vibrant atmosphere empowers employees to contribute their best while feeling supported and valued.

Benefits and Perks

We provide competitive salaries, flexible and hybrid working arrangements, and a wide range of opportunities for growth through training programs, certifications, and workshops. In addition, we offer initiatives designed to build a supportive and engaging workplace where curiosity and collaboration are encouraged. These benefits ensure that employees feel motivated, empowered, and equipped to reach their full potential.