About Client: A FTSE 250 global fintech company headquartered in London with a presence in 18 countries and five continents. Their award-winning products and platforms empower go-getters around the world giving them access to over 19,000 financial markets. About the Role: We are seeking a highly skilled and passionate Senior iOS Developer with a strong background in Swift and a understanding of agile methodologies, and modern development practices like Test-Driven Development (TDD) and Extreme Programming (XP). If you're a team player who thrives in a collaborative and fast-paced environment and enjoys pair programming, this role is for you. Key Responsibilities: * Design, develop, and maintain high-quality iOS applications using Swift. * Collaborate with cross-functional teams using agile and extreme programming practices. * Practice pair programming and contribute to a collaborative coding culture. * Implement and maintain CI/CD pipelines for efficient app deployment and delivery. * Write clean, testable code and follow TDD principles to ensure software quality. * Participate in code reviews, retrospectives, and daily standups. * Stay current with iOS trends and continuously bring fresh ideas to the table. Required Skills & Qualifications: * 4+ years of professional iOS development experience. * Expertise in Swift and iOS SDK. * Experience with CI/CD tools such as Bitrise, Jenkins, GitHub Actions, or similar. * Strong experience with Test-Driven Development (TDD). * Familiarity with Extreme Programming (XP) practices and values. * Hands-on experience with pair programming in a professional environment. * Deep understanding of Agile methodologies like Scrum or Kanban. * Excellent communication and problem-solving skills. * Ability to work in a fast-paced, collaborative environment.