iOS Developer

Apexon; Birmingham; On-site; GBP 55,000 - 75,000; Full time

Job summary

Apexon is seeking a mid-level iOS engineer to join the Marcus mobile development team in AWM. You will leverage Swift and SwiftUI to build user-centric mobile experiences, collaborate with cross-functional partners, and contribute to a fast-paced transformation agenda.

Ideal candidates have 3-6 years of iOS experience, strong problem-solving skills, and a passion for delivering high-quality apps. The role emphasizes collaboration, learning, and ownership of features in a dynamic environment.

Qualifications

• 3-6 years of iOS development experience with Swift
• Strong understanding of Swift language features and iOS ecosystem
• Experience with unit/UI testing and Test-Driven Development
• Ability to work with RESTful APIs, GraphQL and JSON
• Familiarity with iOS architectural patterns and clean code principles

Responsibilities

• Develop and maintain iOS features for Marcus mobile apps
• Collaborate with cross-functional teams to deliver high-quality user experiences
• Write tests and participate in code reviews to ensure quality

Skills

Swift

SwiftUI

Xcode

RESTful APIs

GraphQL

JSON

CoreData

Keychain

UserDefaults

XCTest

XCUI

TDD

Git

Instruments

Memory Graph

MVC

MVVM

Clean Architecture

Dependency Injection

Education

Bachelor's degree in CS or related field

Tools

Xcode

Git

Instruments

Job description

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We help customers outperform their competition through speed and innovation, wherever they are in the digital lifecycle.

Apexon brings together core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering, and UX - combined with deep expertise in BFSI, healthcare, and life sciences - to help businesses capitalize on the opportunities digital offers.

Backed by Goldman Sachs Asset Management and Everstone Capital, Apexon has a global presence of 15 offices (and 10 delivery centers) across four continents.

We're looking for a mid-level iOS engineer to join our Marcus mobile development team in AWM. This role is ideal for an engineer with approximately 3-6 years of experience in iOS development. The successful candidate will have a strong understanding of Swift and the iOS ecosystem. We're looking for someone who is keen to learn and has excellent problem-solving and collaboration skills and is passionate about delivering high-quality, user-centric experiences.

SKILLS AND EXPERIENCE WE ARE LOOKING FOR

• Strong understanding of Swift (protocols, generics, functional programming) and SwiftUI
• Proficiency in Xcode for development, debugging, and performance analysis.
• Solid experience with RESTful APIs, GraphQL, JSON, and integrating third-party services
• Knowledge of data persistence options (CoreData, Keychain, UserDefaults).
• Experience writing unit and UI tests (XCTest, XCUI), familiarity with Test-Driven Development (TDD).
• Proficiency with Git for code management and team collaboration.
• Advanced debugging (Xcode Instruments, Memory Graph) and performance optimization.
• Solid understanding of iOS architectural patterns (MVC, MVVM, Clean Architecture, etc.).
• Strong foundation in software design principles (Dependency Injection, separation of concerns, modularity).
• Commitment to clean, efficient, well-documented code, code reviews, and best practices.
• Excellent problem-solving, critical thinking, and independent technical challenge resolution.
• Effective communication and seamless collaboration with cross-functional teams.
• Demonstrated ownership of features, independent task management, and self-directed research.
• Proactive adaptability and continuous learning of latest iOS trends and technologies.
• Ability to mentor junior developers and share knowledge

Our Commitment to Diversity & Inclusion

Apexon has been Certified by Great Place To Work, the global authority on workplace culture, in each of the four regions in which it operates: USA (7th time in 2026), India (10th consecutive time in 2026), UK (4th time in 2026), and Mexico (2nd time in 2026).

Apexon is committed to being an equal opportunity employer and promoting diversity in the workplace. We take affirmative action to ensure equal employment opportunity for all qualified individuals. Apexon strictly prohibits discrimination and harassment of any kind and provides equal employment opportunities to employees and applicants without regard to gender, race, color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law.