Mobile Application Developer at TSR Consulting Services, Inc. Pleasanton, CA

Mobile Application Developer – iOS Native – TSR Consulting Services, Inc.

Pleasanton, California – Long‑term contract, On‑site position, Pay $70 on w‑2.

We are looking for a strong iOS native mobile app developer who welcomes both engineering and maintenance tasks. The primary focus will be to implement new user interfaces and features together with automated unit and integration tests. You will be working with our candid and collaborative team, where your knowledge and advice about application architecture and the newest mobile technologies will be highly appreciated.

The code you write will need to be cleanly organized and of the highest quality. You'll also help ensure solid application performance and an excellent user experience.

• Develop new features on existing iOS native mobile application.
• Implement UI screens per UX specification.
• Write unit tests and UI automation.
• Ensure the best performance and user experience of the application.
• Fix bugs and performance problems.
• Write clean, readable, and testable code.
• Cooperate with back‑end developers, designers, and the rest of the team to deliver well‑architected and high‑quality solutions.

• Deep knowledge of native iOS mobile app development with Swift and Objective‑C.
• Solid grasp of modern Swift development patterns (UI, networking, delegation, observer, MVC, MVVM).
• Strong understanding of SOLID principles of object‑oriented design.
• Hands‑on experience with instruments for application profiling.
• Familiarity with Git Hub, Xcode commands and enterprise application distribution process.
• Comfortable working with legacy Objective‑C codebases.
• Experience with XCTest and XCUITest framework.
• Proven track record of integrating with hardware devices and SDKs.
• Familiarity with RESTful APIs.
• Experience with Core Data and third‑party library integration with Cocoa Pods.