
Software Developer — iOS (US)
TextNow, Inc.2 months ago
Base Salary
$124k - $299k/yr
Responsibilities
- Design, develop, and sustain high-performance iOS applications using Swift, SwiftUI, and Objective-C.
- Own systems through ideation, API design, instrumentation, deployment, monitoring, testing, telemetry analysis, experimentation, and iteration.
- Lead architectural modernization by decomposing monoliths, building shared libraries and frameworks, and improving modularization 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, and fault-tolerance standards for production mobile systems.
- Partner with product, design, backend, and data teams; mentor developers and influence technical strategy.
- Own production reliability through instrumentation, SLOs/SLIs, telemetry pipelines, on-call participation, incident triage, and live diagnostics.
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.
- Strong command of modern Swift concurrency, including async/await and actors, plus Objective-C interoperability in large, long-lived codebases.
- Architect-level experience designing modular, maintainable systems and making reliability and performance trade-offs.
- Daily, fluent use of AI coding tools in production, with the ability to review and own the correctness, architecture, and quality of primarily AI-generated code.
- Technical leadership across multiple teams, including ownership of major system architecture or modules, technical direction, and mentoring senior engineers.
- Hands-on production reliability experience involving observability, instrumentation, SLOs/SLIs, telemetry pipelines, on-call rotation, incident triage, fault tolerance, and runbooks.
- Demonstrated measurable improvements in performance, reliability, or user impact, along with experience influencing roadmaps and multi-team initiatives.
- Strong performance optimization, observability, and system-level debugging skills; candidates should be comfortable operating with ambiguity, customer focus, and expanding ownership.
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.
- Annual wellness benefit or healthcare spending account, plus RRSP matching in Canada or 401(k) in the United States.
- Parental leave for eligible employees and learning and development opportunities.
- Strong work-life blend and travel several times a year for team events, company off-sites, and related activities.
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.