Lead iOS Engineer – Maps, Graphics & 3D Rendering

DXC Technology is seeking a highly experienced and technically strong Lead iOS Engineer to join our engineering team. The successful candidate will be responsible for leading the technical architecture, design, development, and optimization of advanced native iOS applications with a strong focus on mapping, visualization, graphics, and 3D rendering.This is a hands-on technical leadership position requiring deep expertise in native iOS development and Swift, combined with practical experience in custom rendering, mapping, spatial visualization, and 3D graphics.Key ResponsibilitiesLead the architecture, technical design, and implementation of complex native iOS applications.Develop scalable, maintainable, modular, and highly testable solutions using Swift and SwiftUI.Provide technical leadership through architecture reviews, design reviews, code reviews, and engineering best practices.Design and implement advanced visualization, mapping, graphics, and rendering capabilities for iOS platforms.Develop custom rendering components using Core Graphics, Canvas, Path, Shape, and custom rendering pipelines.Build map-based visualization systems including overlays, annotations, layers, and interactive spatial elements.Implement coordinate systems, coordinate transformations, gesture handling, and hit-testing.Develop interactive map functionality supporting gestures such as pan, zoom, and rotate.Design and implement overlay- and layer-based rendering architectures.Implement geometry operations including clipping, path simplification, smoothing, and other spatial calculations.Analyze and optimize application performance using Xcode Instruments and other profiling and debugging tools.Design and implement 3D visualization capabilities using SceneKit, RealityKit, or comparable 3D rendering technologies.Apply 3D graphics concepts including transforms, matrices, quaternions, camera systems, raycasting, and coordinate-space conversions.Identify and resolve complex rendering, performance, memory, and architectural challenges.Collaborate with product managers, UX/UI designers, backend engineers, and other technical stakeholders.Mentor and provide technical guidance to other iOS engineers.Contribute to engineering standards, technical strategy, and continuous improvement of development practices.Required Qualifications8+ years of professional experience in native iOS development.Expert-level proficiency in Swift and SwiftUI.Strong hands-on experience with Combine and RxSwift.Proven experience leading technical architecture, application design, code reviews, and engineering best practices.Strong understanding of scalable, maintainable, modular, and highly testable iOS application architectures.Hands-on experience developing custom visualization, mapping, graphics, or rendering features.Strong practical knowledge of Core Graphics, Canvas, Path, Shape, and custom rendering pipelines.Strong understanding of coordinate systems, transformations, geometry calculations, and spatial relationships.Experience implementing interactive gestures including pan, zoom, and rotate.Strong understanding of hit-testing and interaction within custom-rendered visualizations.Experience developing overlay- and layer-based rendering architectures.Experience with geometry operations such as clipping, path simplification, and smoothing.Strong debugging, profiling, and performance optimization experience using Xcode Instruments.Production experience with at least one modern iOS 3D rendering framework, such as SceneKit or RealityKit.Strong understanding of 3D graphics fundamentals, including:Transforms and transformation matricesQuaternionsCamera systemsRaycastingCoordinate-space conversions3D coordinate systemsPreferred QualificationsExperience with Metal-based rendering and performance optimization.Experience integrating USDZ or glTF 3D asset pipelines.Hands-on experience with ARKit.Experience in robotics, SLAM, indoor mapping, LiDAR, navigation systems, or digital-twin platforms.Experience visualizing robot-generated maps, cleaning paths, navigation data, floor plans, or other spatial information.Experience with geospatial or spatial-computing applications.Experience optimizing graphics and rendering performance across different iOS devices and hardware capabilities.Technical SkillsiOS: Native iOS, Swift, SwiftUI, iOS SDKReactive Programming: Combine, RxSwiftGraphics & Rendering: Core Graphics, Canvas, Path, Shape, Custom Rendering Pipelines3D Graphics: SceneKit, RealityKit, Metal, Matrices, Quaternions, Camera Systems, RaycastingMapping & Spatial: Map Rendering, Coordinate Systems, Transformations, Geometry, Overlays, Layers, Hit-TestingPerformance: Xcode Instruments, Rendering Optimization, Memory Management, Performance ProfilingAdvanced: ARKit, LiDAR, SLAM, Robotics, Indoor Mapping, Navigation, Digital Twins, Spatial Visualization3D Assets: USDZ, glTFWhat You Will BringStrong analytical and problem-solving skills with the ability to solve complex graphics, rendering, and spatial-computing challenges.Ability to translate complex product and technical requirements into robust engineering solutions.Strong technical leadership and communication skills.Ability to mentor engineers and establish high engineering standards.Strong collaboration skills across product, design, engineering, and technical teams.A hands-on engineering mindset with a strong focus on performance, scalability, quality, and maintainability.Ability to balance technical leadership with active participation in software development.