IOS Software Engineer in Edinburgh

Hackajob is collaborating with Barclays to connect them with exceptional professionals for this role. Join us as an iOS Software Engineer within our Engineering Centre of Excellence, collaborating closely with a wider community of mobile developers across both iOS and Android. You’ll work as part of a cross‑functional product team alongside Android engineers, testers, analysts, designers, a Scrum Master, and a Product Owner. Together, you’ll design, build, and deliver high‑quality mobile features that reach our customers. We work in an agile environment, where you’ll contribute to sprint planning, reviews, and continuous delivery of features. Beyond your team, you’ll play an active role in knowledge sharing across the mobile community, helping ensure consistency and quality across the app. We’re looking for someone pragmatic and delivery‑focused, who can balance technical excellence with real‑world constraints. You’ll have the opportunity to learn from experienced engineers, contribute to best practices, and grow your skills within a supportive environment. This role offers the chance to work in a highly regulated industry, giving you exposure to complex systems, strong engineering standards, and meaningful, large‑scale products.

Experience – iOS App Development

• Demonstrable experience of building and maintaining production iOS apps using Swift (SwiftUI and/or UIKit)
• Good understanding of the iOS SDK, app lifecycle, and Apple frameworks
• Demonstrates critical thinking and resourcefulness when debugging issues, evaluating trade‑offs, and solving complex problems

Software Engineering Fundamentals & Architecture

• Excellent grasp of OOP and SOLID principles
• Working knowledge of common iOS design patterns (e.g. MVC, MVVM, Coordinator)
• Ability to write maintainable, testable and scalable code

Communication & Collaboration

• Clear communicator who can work effectively with cross‑functional teams
• Comfortable explaining technical decisions and contributing to team discussions

Highly Valued Skills – CI/CD & Engineering Practices

• Experience with CI systems (e.g. Jenkins, GitLab CI)
• Familiarity with automated testing and release pipelines

Product Mindset

• Understands user needs and business context when making technical decisions
• Balances code quality with delivery and user impact

Testing & Quality Practices

• Experience with unit/UI testing (Swift Testing, XCUITest)
• Aware of testing strategies (e.g. TDD)

Location: Edinburgh

Purpose of the role

To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.

Accountabilities

• Development and delivery of high‑quality software solutions using industry‑aligned programming languages, frameworks, and tools; ensuring code is scalable, maintainable, and optimised for performance.
• Cross‑functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
• Collaboration with peers, participation in code reviews, and promotion of a culture of code quality and knowledge sharing.
• Stay informed of industry technology trends and innovations and actively contribute to the organisation’s technology communities to foster a culture of technical excellence and growth.
• Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
• Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.

Analyst Expectations

• Perform prescribed activities in a timely manner and to a high standard, consistently driving continuous improvement.
• Requires in‑depth technical knowledge and experience in their assigned area of expertise.
• Thorough understanding of the underlying principles and concepts within the area of expertise.
• Lead and supervise a team, guiding and supporting professional development, allocating work requirements and coordinating team resources, as appropriate; for an individual contributor, develop technical expertise in the work area and act as an advisor where appropriate.
• Partner with other functions and business areas; take responsibility for end results of a team’s operational processing and activities.
• Escalate breaches of policies and procedures appropriately; take responsibility for embedding new policies and procedures adopted due to risk mitigation.
• Advise and influence decision making within own area of expertise; take ownership for managing risk and strengthening controls in relation to the work you own or contribute to; deliver work and areas of responsibility in line with relevant rules, regulation, and codes of conduct.
• Maintain and continually build an understanding of how own sub‑function integrates with function, alongside knowledge of the organisation’s products, services and processes within the function.
• Demonstrate understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub‑function.
• Make evaluative judgements based on the analysis of factual information, paying attention to detail.
• Resolve problems by identifying and selecting solutions through application of acquired technical experience, guided by precedents.
• Guide and persuade team members and communicate complex or sensitive information.
• Act as contact point for stakeholders outside of the immediate function, while building a network of contacts outside the team and external to the organisation.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.