Senior iOS Developer

Compunnel Inc.; Calgary; On-site; CAD 100,000 - 130,000; Full time

Job summary

A leading tech company in Calgary, Alberta, is seeking a Senior iOS Developer to significantly impact its flagship trading platforms. The ideal candidate will be passionate about building innovative and user-focused software, possess expertise in Swift and iOS SDK, and have over 7 years of experience in development. Responsibilities include contributing to mobile application strategy, designing new features, and mentoring other developers. This role offers a hybrid work model with opportunities to work on high-impact projects.

Qualifications

• 7+ years of software development experience with Apple platforms.
• Expert knowledge of Swift and iOS SDK.
• Strong fundamentals with XCTest and familiarity with Swift Testing.

Responsibilities

• Contribute to the overall mobile application strategy.
• Design and implement features for mobile applications.
• Maintain source code quality and provide code review feedback.

Skills

Swift

iOS SDK

User Interface Design

Debugging

RESTful APIs

Reactive Paradigms

Education

Bachelor’s degree in Computer Science or equivalent experience

Tools

XCTest

iPadOS

Job description

We are seeking a Senior iOS Developer to join our team and make a significant impact on one of the flagship E*TRADE trading platforms. The ideal candidate is passionate about building great software, thrives on solving complex problems, and delivers innovative, user-focused solutions. This role requires creativity, technical expertise, and a commitment to quality. As a senior member of the team, you will contribute to mobile application strategy, design and implement new features, and mentor other developers.

KEY RESPONSIBILITIES

• Contribute to the overall mobile application strategy.
• Design and implement features for a suite of mobile applications.
• Learn and apply new technologies, design practices, and usability patterns.
• Collaborate with back-end engineers on end-to-end system architecture.
• Partner with product managers and technical teams to deliver optimized, user-friendly experiences.
• Maintain source code quality, provide code review feedback, and help establish team coding principles.
• Mentor, train, and guide team members, leading by example.

BASIC QUALIFICATIONS

• Bachelor’s degree in Computer Science or equivalent experience.
• 7+ years of software development experience with Apple platforms.
• Expert knowledge of Swift.
• Broad experience with iOS SDK, particularly UIKit, SwiftUI, and Foundation.
• Understanding of reactive paradigms; experience with Combine and/or RxSwift is a plus.
• Solid understanding of MVVM architectural pattern.
• Experience consuming and designing RESTful APIs.
• Experience with real-time streaming frameworks (Socket.io, Ably, LightStreamer) is a strong plus.
• Strong knowledge of iOS UI design principles, patterns, and best practices.
• Experience integrating iOS and iPadOS within a single codebase is ideal.
• Strong fundamentals with XCTest; familiarity with Swift Testing preferred.
• Excellent debugging and optimization skills, including use of Instruments and performance testing.

IDEAL CANDIDATE PROFILE

• Creative and innovative problem solver.
• Passionate about delivering high-quality, user-focused software.
• Self-motivated with strong ownership of tasks and outcomes.
• Effective communicator and collaborator across technical and product teams.
• Experienced mentor who fosters growth and excellence in others.

WORKING CONDITIONS

• Hybrid work model: onsite presence required 3 days per week.
• Fast-paced environment with opportunities to work on high-impact projects.