Lead iOS Engineer – Maps, Graphics & 3D Rendering

Overview

DXC Technology is looking for an experienced and technically skilled Lead iOS Engineer to head the development and architectural design of sophisticated native iOS applications. This role has a specialized focus on mapping, advanced visualization, graphics, and 3D rendering technologies.

Key Responsibilities

• Architect, design, and develop complex native iOS apps with scalability and maintainability in mind.
• Implement modular, highly testable solutions using Swift and SwiftUI.
• Lead architecture and design reviews, conduct code evaluations, and promote engineering best practices.
• Create and enhance advanced mapping, visualization, graphics, and rendering features on iOS platforms.
• Develop custom rendering elements leveraging Core Graphics, Canvas, Path, Shape, and tailor-made rendering pipelines.
• Build map-oriented visualization systems utilizing overlays, annotations, layers, and interactive spatial functionalities.
• Implement coordinate systems, coordinate transformations, and user gesture handling like pan, zoom, and rotate.
• Design and apply overlay- and layer-based rendering structures and handle geometry operations such as clipping and path simplification.
• Analyze app performance and optimize using tools like Xcode Instruments.
• Develop 3D visualization capabilities employing SceneKit, RealityKit, or similar frameworks, applying concepts like transforms, matrices, quaternions, camera controls, and raycasting.
• Tackle complex rendering, memory, and architectural challenges to enhance app robustness.
• Collaborate closely with product management, UX/UI design teams, backend developers, and other stakeholders.
• Provide mentorship and technical guidance to iOS engineers while contributing to overall engineering strategies and standards.

Required Qualifications

• Minimum of 8 years' experience in professional native iOS development.
• Expert proficiency with Swift and SwiftUI.
• Strong working knowledge of reactive programming frameworks such as Combine and RxSwift.
• Experience leading architecture, code quality reviews, and defining engineering best practices.
• In-depth understanding of scalable, maintainable, and modular iOS app architectures.
• Practical experience with custom visualization, mapping, graphics, and rendering features using Core Graphics, Canvas, Path, Shape, and custom pipelines.
• Comprehensive grasp of coordinate systems, transformations, geometry calculations, and spatial relationships.
• Proven ability to implement gesture-based interactivity (pan, zoom, rotate) and hit-testing within custom rendered content.
• Familiarity with overlay/layer rendering architectures and geometry operations such as clipping and path simplification.
• Strong debugging and performance profiling capabilities, especially with Xcode Instruments.
• Production experience with at least one modern iOS 3D rendering framework like SceneKit or RealityKit.
• Solid foundation in 3D graphics concepts including transformation matrices, quaternions, camera systems, raycasting, and coordinate space conversions.

Preferred Qualifications

• Experience working with Metal-based rendering and performance tuning.
• Familiarity integrating 3D asset pipelines such as USDZ or glTF.
• Hands-on experience with ARKit technology.
• Background in robotics, SLAM, indoor mapping, LiDAR, navigation solutions, or digital twin platforms.
• Experience visualizing complex spatial data like robot-mapped environments, navigation paths, or floor plans.
• Expertise in geospatial or spatial computing application development.
• Ability to optimize graphics and rendering performance across a variety of iOS devices and hardware constraints.

Technical Proficiencies

• iOS native development with Swift, SwiftUI, and iOS SDK.
• Reactive programming using Combine and RxSwift.
• Graphics and rendering technologies including Core Graphics, Canvas, Path, Shape, and custom rendering pipelines.
• 3D graphics frameworks such as SceneKit, RealityKit, Metal, and foundational 3D concepts.
• Mapping and spatial computing including map rendering, coordinate systems, overlays, layers, and hit-testing.
• Performance analysis using Xcode Instruments and related profiling tools.
• Advanced technologies like ARKit, LiDAR, SLAM, robotics, and digital twin visualization.
• Handling of 3D asset formats USDZ and glTF.

Professional Attributes

• Excellent analytical skills to address intricate graphics and spatial computing problems.
• Capability to convert complex product requirements into robust, scalable engineering solutions.
• Strong leadership with effective communication to mentor others and maintain engineering excellence.
• Collaborative mindset to work cross-functionally with product, design, and engineering teams.
• Hands-on programming focus emphasizing performance, quality, and maintainability.
• Balance between strategic leadership and active software development contribution.