Lead Mobile Developer in AI

Role

BIMM is hiring a Lead Mobile Developer (iOS-first) to build and operate agentic AI systems that generate and maintain production-grade native mobile applications. This role combines hands-on mobile engineering (Swift/SwiftUI) with designing agent skills, tooling, eval pipelines, and cloud support to ensure reliable, performant outputs. The position will directly support client work (Audi) and involves team leadership, cross-functional collaboration, and platform ownership.

Key Responsibilities

Core Engineering

• Lead the mobile development practice and mentor/manage a diverse team of AI/mobile engineers across iOS and Android.
• Architect and deliver iOS and Android applications from the ground up, ensuring performance across devices and screen sizes.
• Ensure agentically generated code is production grade, follows design guidelines, and is performant.
• Work closely with Product, Design, QA, and backend teams; communicate with technical and non-technical stakeholders.
• Stay current with mobile capabilities and adopt them when they add value.

AI Engineering

• Develop agents that generate high-quality native applications based on user/business needs.
• Build agentic systems that reliably generate production-grade code using Swift, SwiftUI, Kotlin, and platform tools.
• Create and maintain automated evaluation pipelines (evals) including LLM-as-judge scoring, regression tests, and golden dataset validation.
• Define strict I/O contracts for tools and agent skills with typed schemas, handling edge cases and structured errors.
• Own prompt engineering lifecycle: version-controlled prompts, parametric input injection, system/user role separation, and reproducible prompts.
• Contribute to MCP tooling catalog: implement, test, and document MCP-compatible integrations.

Requirements

• 5+ years of mobile engineering experience with lead ownership in an agile environment.
• Strong iOS experience: Swift, iOS SDK, SwiftUI.
• Experience with Kotlin and Android fundamentals; familiarity with Jetpack Compose and Kotlin Multiplatform.
• Experience with AI coding agents (e.g., GitHub Copilot) and prompt engineering concepts.
• Understanding of mobile design patterns (MVVM, MVP, MVI, MVC, VIPER).
• Knowledge of iOS provisioning, app lifecycle, and release workflows.
• Familiarity with unit testing and automation frameworks (XCTest, XCUITest, Mokkery, Espresso, Robolectric).
• Experience with offline storage, threading, performance tuning, accessibility (WCAG 2.2 desirable).
• CI/CD experience for mobile (including GitHub Actions) and strong Git/GitHub workflow knowledge.
• Experience with cloud messaging/push notifications and translating business requirements into technical plans.
• Strong teamwork, communication, and mentoring skills.

Nice to have

• Experience designing and building agentic workflows, RAG, function calling, deterministic routing, and multi-step tool chains.
• Hands-on experience with prompt engineering (structured prompts, few-shot, schema enforcement).
• Familiarity with LLM evaluation approaches, prompt regression testing, prompt caching, and semantic routing.
• Experience with orchestration frameworks or libraries (LangGraph, LangChain, AutoGen) and instrumentation (LangSmith, OpenTelemetry).
• Experience defining engineering standards, driving AI tool adoption, and Kotlin Multiplatform.
• Familiarity with RESTful APIs.

Location & Work Model

• BIMM is Toronto-based (Distillery District HQ). Local candidates in the GTHA are asked to be onsite 2 days/week.
• Open to remote candidates across Canada; required to work EST hours.

Benefits (summary)

• Hybrid working model and dog-friendly office with snacks.
• Birthday off, an extra summer holiday day, and a week-long end-of-year break.
• Comprehensive health & dental benefits, Employee Assistance Program, wellness allowance, RRSP with matching, and a discretionary bonus.
• Social events, learning & development opportunities, and access to kyu collective resources.