iOS Engineer

As an iOS Engineer at Inflection, you will build and own the iOS application platforms and client-side systems that bring our conversational AI to millions of users. You will collaborate closely with research, product, and infrastructure teams to rapidly ship reliable, secure, and high-performance AI features on iOS. Your work will directly impact user experience, release velocity, and the stability of our production iOS apps at scale.

What You’ll Do

• 8+ years of professional software engineering experience (or an equivalent MS/PhD 8+ years of professional software engineering experience (or an equivalent MS/PhD paired with reduced years of experience).
• Deep expertise in the Objective-C runtime, iOS system internals, and a strong understanding of underlying system operations.
• Proven ability to optimize for resource-constrained mobile environments, prioritizing low-power, low-latency performance.
• Expertise in multithreading, performance profiling, and designing efficient concurrent architectures.
• A solid foundation in computer science fundamentals — algorithms, data structures, compilers, and memory models.
• Strong command of software design patterns, scalable architectures, and iOS engineering best practices, with a track record of shipping high-quality production apps.
• A demonstrated ability to collaborate effectively in fast-paced environments and simplify complex technical challenges.

What We’re Looking For

• Develop and refine high-performance iOS applications that integrate seamlessly with advanced AI systems.
• Design, architect, and implement core components in Objective-C and Swift to power real-time AI features.
• Build low-latency, memory-efficient mobile infrastructure essential for advanced model inference and dynamic UI experiences.
• Conceptualize, prototype, and launch innovative mobile features that showcase state-of-the-art AI model capabilities.
• Collaborate closely with Design and Applied Research teams to deliver intuitive, high-fidelity user experiences.
• Establish and uphold engineering excellence through rigorous code reviews, comprehensive testing, and performance optimization.
• Evaluate technical tradeoffs, shape mobile architecture direction, and drive innovation in mobile-AI interaction through continuous experimentation and iteration.
• Have a bachelor’s degree or equivalent in a related field to the offered position requirements.
  

At Inflection AI, we aim to attract and retain the best employees and compensate them in a way that appropriately and fairly values their individual contributions to the company. For this role, Inflection AI estimates a starting annual base salary to fall within the range of $175,000 to $250,000, depending on a candidate’s qualifications and level of experience. This role also includes a meaningful equity component, allowing employees to share in the long-term success of the company.

Inflection AI values and supports our team’s mental and physical health. We are focused on building a positive, safe, inclusive and inspiring place to work. Our benefits include: 

• Diverse medical, dental and vision options 
• 401k matching program 
• Unlimited paid time off 
• Parental leave and flexibility for all parents and caregivers
• Support of country-specific visa needs for international employees living in the Bay Area