Software Developer — iOS (Canada)
TextNow, Inc.3 months ago
Waterloo, CanadaMid Level / Senior / Staff+
Responsibilities
- Design, develop, and sustain high-performance iOS applications using Swift, SwiftUI, and Objective-C.
- Own systems across the full lifecycle, including feature ideation, API design, instrumentation, deployment, monitoring, testing, telemetry, data analysis, and experimentation.
- Lead architectural modernization through monolith decomposition, modularization, and development of shared libraries and frameworks across iOS, Android, and Web.
- Evaluate and roll out new Apple platform capabilities, operating system releases, device types, form factors, and architectures.
- Build and extend the internal AI harness, including agents, automation frameworks, evaluation pipelines, and guardrails.
- Define observability, telemetry, fault-tolerance, and production reliability standards for mobile systems.
- Partner with product, design, backend, and data teams; mentor developers and influence technical strategy across mobile.
Requirements
- Deep production experience building and operating consumer iOS applications with Swift and SwiftUI at significant scale, including ownership of an app with 1M+ monthly active users or comparable reach.
- Fluent daily use of AI coding tools in production, including the ability to review and own the correctness, architecture, and quality of predominantly AI-generated code.
- Deep knowledge of modern Swift concurrency, including async/await and actors, plus Objective-C interoperability in large, long-lived codebases.
- Experience owning the architecture of major systems or modules, setting technical direction, mentoring senior engineers, and leading across multiple teams.
- Hands-on production reliability experience with SLOs, SLIs, instrumentation, telemetry pipelines, on-call rotations, incident triage, and live diagnostics.
- A record of measurable improvements in performance, reliability, or user impact.
- Strong performance optimization, observability, and system-level debugging skills.
- Ability to make sound decisions amid ambiguity, prioritize customer and operational impact, and expand ownership beyond assigned work.
Benefits
- Free phone service, employee stock options, unlimited vacation, and 12 paid holidays per year.
- Health, dental, vision, short-term disability, and long-term disability benefits.
- $750 annual wellness benefit or healthcare spending account.
- RRSP matching in Canada.
- Parental leave for eligible employees and learning and development opportunities.
- Strong work-life blend and travel for team events and company-wide off-sites.
- The posting includes Canada intermediate, senior, and staff levels and provides annual salary ranges by level.
Tech Stack
iOSObjective-CSwiftSwiftUI
Categories
Mobile
About TextNow, Inc.
TextNow builds a free, app-based wireless phone service that provides calling, texting, and basic data on iOS and Android. Its freemium model combines an ad-supported tier with optional paid plans, and it operates much of its own network infrastructure to keep costs low. Founded in 2009 and headquartered in Waterloo, Ontario, the privately held company serves millions of users across North America.