Senior Developer (iOS) [T500-20044]

About Delta Tech Hub :

Delta Air Lines (NYSE : DAL) is the U.S. global airline leader in safety, innovation, reliability and customer experience. Powered by our employees around the world, Delta has for a decade led the airline industry in operational excellence while maintaining our reputation for award-winning customer service. With our mission of connecting the people and cultures of the globe, Delta strives to foster understanding across a diverse world and serve as a force for social good. Delta has fast emerged as a customer-oriented, innovation-led, technology-driven business. The Delta Technology Hub will contribute directly to these objectives. It will sustain our long-term aspirations of delivering niche, IP-intensive, high-value, and innovative solutions. It supports various teams and functions across Delta and is an integral part of our transformation agenda, working seamlessly with a global team to create memorable experiences for customers.

“Why join?” :

Technology is a key enabler of the differentiated services that Delta provides. At the DTH, you get the opportunity to work on projects with a significant impact on business outcomes and customer experience.

Deepen your knowledge by taking part in multifaceted learning and development programs –Exposure to extensive internal and partner repositories, institutional affiliations, and industry SIG (Special Interest Groups) partnerships.

Collaborate with research, innovation & IP co-development partners.

Immerse yourself in an employee-centric culture.

Develop deep and broad business acumen on airline operations while retaining focus on cutting-edge technology driven solutions.

Avail a full range of benefits that support you and your family : Insurance, Commute, Meals, Retirement, and special travel opportunities.

ROLE DESCRIPTION :

YOUR RESPONSIBILITIES IN THIS ROLE :

Design and develop innovative features for customer-facing iOS applications.

Collaborate with cross-functional teams to define resilient and automated technical solutions.

Ensure high-quality, defect-free delivery with a focus on reusability and reliability.

Work closely with technical architects to align on system architecture and design.

Partner with IT peers and squad team members to deliver best-in-class customer experiences.

Ensure high code quality with clean CI / CD pipelines and 90%+ test coverage.

Assess feasibility and scalability of front-end solutions with stakeholders.

Review UI designs for technical feasibility and impact.

Address and prevent long-term technical debt through code reviews.

Apply industry-leading agile practices to drive development work.

Assist in production issue triage, release management, and backlog grooming.

Minimum Qualifications :

Technical Skills :

4–6 years of hands-on experience in iOS front-end development.

Proficient in Swift, SwiftUI, and Objective-C (Required)

Strong experience with UIKit and performance optimization (Required)

Experience in hybrid application development for IOS is a plus

Familiarity with architectural and design patterns :

MVVM, MVP, MVC

, and SOLID principles.

Experience with XCUITest and XCTest for automated UI and unit testing.

Skilled in integrating and debugging RESTful APIs, JSON, and third-party libraries.

Proficient in Swift Packages and Git / GitHub for dependency and version control.

Understanding of functional programming and reactive patterns using Combine.

Experience with Core Data, Push Notifications, and App Lifecycle Management.

Familiarity with provisioning profiles, and certificate management.

Experience integrating with

AWS

• hosted backend services via REST APIs, including :

Basic familiarity with AWS Cognito, API Gateway, and S3 for front-end interactions.

Understanding of authentication flows, token management, and secure data handling.

Comfortable working in Agile development environments.

Preferred Qualifications :

Soft skills :

Demonstrates ownership and accountability for assigned tasks and deliverables.

Strong problem-solving skills with attention to detail and code quality.

Effective time management and ability to handle multiple assignments independently.

Clear and professional communication with team members and stakeholders.

Collaborates well within agile teams, contributing to sprint planning and retrospectives.

Open to mentoring junior developers and sharing technical knowledge.

Stays updated with emerging technologies to support future development needs.

Maintains a product-focused mindset with an understanding of customer impact.

Applies an enterprise-wide perspective when building scalable and maintainable solutions.