Our team is fast-paced and agile, comprising engineers, a product manager, and designer. We work closely together to deliver innovative solutions that meet the needs of our customers.

Responsibilities:

• Design and develop high-quality iOS applications using Swift and Objective-C
• Collaborate with the product manager and designer to define and prioritize features
• Work with the engineering team to ensure seamless integration with other components
• Participate in code reviews and contribute to the improvement of our codebase
• Mentor junior engineers and help them grow in their careers

Requirements:

• 8+ years of professional iOS development experience
• Excellent communication and collaboration skills
• Experience building public or internal mobile APIs/SDKs and working with Swift and Objective-C
• Experience with UIKit, SwiftUI, programmatic Auto Layout, and iOS design patterns (MVVM, reactive programming)
• Experience with Unit/UI/integration/performance testing on iOS (Quick, Nimble, XCTest, XCUITest, etc.)
• Experience with Realm database or similar mobile NoSQL solutions
• End-to-end ownership of mobile applications or SDKs
• Experience with mobile CI/CD pipelines (GitHub Actions)

Preferred Qualifications:

• 1+ years of experience in identity and access management (IAM) domain, particularly with Auth0 Guardian SDK or similar MFA/authentication solutions
• Experience with iOS security best practices, including cryptography (RSA, CommonCrypto), biometric authentication (Face ID/Touch ID), iOS Keychain, Authentication Service framework, and secure data storage
• Experience with reactive programming frameworks (ReactiveSwift, Combine) and migrating legacy architectures to MVVM patterns
• Experience with infrastructure-as-code tools (e.g., Fastlane, Swift Package Manager, Snyk, or Terraform)

If you are a motivated and experienced iOS engineer looking to join a dynamic team, we encourage you to apply.

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We're seeking an exceptional iOS engineer to join a small, high-impact team dedicated to creating the world's most valuable AI application, judged by the impact it delivers to users.

Responsibilities

• Dream up and craft delightful, intuitive user experiences that redefine how people interact with AI on mobile.

• Obsess over every pixel, animation, and interaction, ensuring the experience feels magical and seamless.

• Build blazing-fast, highly performant systems where every millisecond counts.

• Drive technical and product decisions, collaborating with AI researchers and engineers to deploy state-of-the-art models globally.

Basic Qualifications

• Expert in Swift, with deep knowledge of UIKit and SwiftUI.

• Proficient in performance optimization,memory, CPU, GPU,using low-level tools to deliver blazing-fast systems.

• Experienced in designing and shipping intuitive, pixel-perfect mobile UIs that redefine how users interact with AI.

• Skilled in concurrency and reactive programming (Combine) for responsive, real-time apps.

• Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs, ensuring seamless data flow.

• Capable of owning complex features end-to-end, from architecture to App Store deployment, with a focus on speed and scalability.

Preferred Skills and Experience

• Deep expertise in the Apple ecosystem and related development tools.

• Rust for working with our backend components.

• AVFoundation for real-time audio processing.

• Track record of shipping standout apps or standout features within apps.

• Deep expertise in iOS development, particularly with Swift. We seek individuals who operate at the highest levels of their craft.

• Excel at delivering results swiftly, often in a fraction of the time others require. Speed is a core value at xAI,we must act decisively to succeed.

• A sharp product sense, with an ability to empathize with users, anticipate their needs, and translate that into features that delight and deliver value.

Compensation and Benefits

$180,000 - $440,000 USD

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

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Department: Software Engineering

Airbnb is looking for a Senior iOS Engineer to join our Global Markets engineering team in China. As a senior iOS engineer, you will tackle the unique technical challenges of building for global markets, including locale-aware UI, market-specific features and integrations, and performance optimization across diverse conditions.

The Community You Will Join:

The Global Markets engineering team is focusing on evolving our guest and host experience for global markets through new product initiatives to accelerate international growth. Expanding in under-penetrated global markets is a key pillar of our company's growth strategy.

The Difference You Will Make:

As a senior iOS engineer on the mobile team, you will work on projects spanning the full product surface, from signup/login, search, PDP, checkout, and reviews to foundational components like maps, networking and logging. You will partner closely with PMs, designers, data scientists, and engineers across both our China-based team and Global partner teams to ship features that make millions of users across under-penetrated markets feel right at home.

A Typical Day:

• Partner with cross-functional teams (PM, Design, DS, QA) and Global engineering teams to translate product requirements into technical solutions and help shape the roadmap
• Write and review technical designs for large, open-ended problems , from market-specific product features to foundational mobile infrastructure
• Write clean, testable, and maintainable Swift code to ship polished, pixel-perfect user experiences
• Mentor and support the career growth of other engineers through pairing, code reviews, and technical guidance
• As the tech lead of a project, drive end-to-end delivery, communicate progress to stakeholders, and own the overall quality across the full release cycle

Your Expertise:

• 5+ years of iOS development experience; proficient in Swift, SwiftUI, UIKit, and Core Animation / Core Graphics
• Proficient in applying AI-powered development tools (e.g., Claude Code, Codex) to accelerate development workflows , from tech design, to code generation, debugging, to code review and documentation
• Strong product sense with a proven ability to build pixel-perfect interfaces and fluid animations
• Proven track record of leading technical initiatives and navigating ambiguous challenges
• Strong cross-team collaboration skills with excellent English communication; experience working in globally distributed teams or building products for diverse markets is a plus

Benefits:

• Competitive salary and benefits package
• Opportunity to work with a talented team of engineers and product managers
• Collaborative and dynamic work environment
• Professional development opportunities

How to Apply:

If you're passionate about building innovative mobile experiences and have a strong background in iOS development, please submit your application, including your resume and a cover letter outlining your experience and qualifications.

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Our mobile app is built using Swift and follows the MVVM-C architecture. We use a range of frameworks and tools, including RxSwift, SnapKit, Realm, and Sourcery. We are looking for someone who is experienced in iOS development and has a strong understanding of software design principles.

As a senior engineer, you will be expected to take ownership of your work and make decisions about the best approach to solving problems. You will also be expected to mentor and guide junior engineers and contribute to the growth and development of our team.

We offer a competitive salary and a range of benefits, including 25 days' holiday, an extra day's holiday for your birthday, and annual leave increased with length of service. We also offer a salary sacrifice scheme, company-enhanced pension scheme, life insurance, and private medical insurance.

If you're passionate about iOS development and want to work for a company that is changing the face of banking, then we'd love to hear from you.

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As an iOS engineer at Starling, you'll be responsible for building and maintaining our iOS application. This will involve working on new features, fixing bugs, and improving the overall performance of the app. You'll also be working closely with our cross-functional feature teams to ensure that our application meets the needs of our customers.

We're looking for someone who is passionate about building high-quality software and has a strong understanding of iOS development. You should be comfortable working in a fast-paced environment and be able to take ownership of your work. We offer a competitive salary and a range of benefits, including 25 days' holiday and an extra day's holiday for your birthday.

If you're interested in joining our team, please submit your application. We look forward to hearing from you!

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This position is ideal for someone who thrives at the intersection of platform engineering, system design, performance optimization, and long-term architectural thinking. You will shape the technical backbone that enables product teams to move faster, ship safer, and innovate with confidence. If you enjoy building durable foundations, eliminating systemic risks, and raising the quality bar for mobile engineering, you’ll feel right at home on our team.

MAI operates with the agility of a startup—fast-paced, iterative, and impact-driven—while backed by Microsoft’s mission to empower every person and organization on the planet to achieve more. We value engineers who take initiative, navigate ambiguity with clarity, and continuously push the boundaries of what mobile platforms can achieve.

Responsibilities

Strengthen the core quality and reliability of the app, building guardrails, diagnostics, and automated protections that prevent regressions and ensure consistent performance at scale.

Drive optimizations across the app, using deep platform knowledge to identify systemic bottlenecks and implement durable improvements.

Partner closely with cross-functional teams (Product, Design, Research, Backend, AI) to translate complex requirements into robust, scalable client-side solutions.

Explore and integrate AI-assisted development workflows to improve code quality, reduce iteration time, and enhance developer productivity across the mobile organization.

Own critical incident response and long-term remediation, ensuring the app remains stable, observable, and resilient under real-world conditions.

Qualifications

Required Qualifications:

Bachelor’s Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

2+ years of professional experience in iOS development using Swift and/or Objective‑C, with strong understanding of iOS frameworks, system behaviors, and performance characteristics.

Proven experience building and maintaining large-scale, high-quality mobile applications with complex architecture and long-term maintainability requirements.

Solid understanding of mobile system design, including modularization, dependency management, concurrency, memory management, and networking.

Demonstrated ability to diagnose and resolve deep technical issues across performance, stability, and reliability dimensions.

A growth mindset and willingness to adopt new tools, technologies, and AI-assisted engineering workflows.

Preferred Qualifications:

Master’s Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor’s Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

Experience designing mobile foundations or platform-level components (e.g., shared frameworks, internal SDKs, architecture patterns).

Expertise in performance profiling, crash/ANR root-cause analysis, startup optimization, memory tuning.

Experience with cross-platform client engineering (Android, React Native, Flutter, or shared C++ layers) is a plus.

Solid communication and collaboration skills, with the ability to influence engineering direction across multiple teams.

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In this role, you will architect, harden, and optimize the core layers of our mobile applications—frameworks, infrastructure, performance pipelines, and reliability systems—that power Copilot and our broader ecosystem across millions of devices.

This position is ideal for someone who thrives at the intersection of platform engineering, system design, performance optimization, and long-term architectural thinking. You will shape the technical backbone that enables product teams to move faster, ship safer, and innovate with confidence.

If you enjoy building durable foundations, eliminating systemic risks, and raising the quality bar for mobile engineering, you'll feel right at home on our team.

MAI operates with the agility of a startup—fast-paced, iterative, and impact-driven—while backed by Microsoft’s mission to empower every person and organization on the planet to achieve more.

We value engineers who take initiative, navigate ambiguity with clarity, and continuously push the boundaries of what mobile platforms can achieve.

Responsibilities:

Strengthen the core quality and reliability of the app, building guardrails, diagnostics, and automated protections that prevent regressions and ensure consistent performance at scale.

Drive optimizations across the app, using deep platform knowledge to identify systemic bottlenecks and implement durable improvements.

Partner closely with cross-functional teams (Product, Design, Research, Backend, AI) to translate complex requirements into robust, scalable client-side solutions.

Explore and integrate AI-assisted development workflows to improve code quality, reduce iteration time, and enhance developer productivity across the mobile organization.

Own critical incident response and long-term remediation, ensuring the app remains stable, observable, and resilient under real-world conditions.

Qualifications:

Bachelor’s Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

2+ years of professional experience in iOS development using Swift and/or Objective‑C, with strong understanding of iOS frameworks, system behaviors, and performance characteristics.

Proven experience building and maintaining large-scale, high-quality mobile applications with complex architecture and long-term maintainability requirements.

Solid understanding of mobile system design, including modularization, dependency management, concurrency, memory management, and networking.

Demonstrated ability to diagnose and resolve deep technical issues across performance, stability, and reliability dimensions.

A growth mindset and willingness to adopt new tools, technologies, and AI-assisted engineering workflows.

Preferred Qualifications:

Master’s Degree in Computer Science or related technical field AND 3+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor’s Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

Experience designing mobile foundations or platform-level components (e.g., shared frameworks, internal SDKs, architecture patterns).

Expertise in performance profiling, crash/ANR root-cause analysis, startup optimization, memory tuning.

Experience with cross-platform client engineering (Android, React Native, Flutter, or shared C++ layers) is a plus.

Solid communication and collaboration skills, with the ability to influence engineering direction across multiple teams.

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Anthropic's mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.

About the role:

We're looking for seasoned iOS engineers to join our Claude mobile product team and help build apps that harness the transformative power of advanced language models. Our mission is to unlock the potential of advanced AI through elegant, user-friendly mobile applications that put unprecedented capabilities at users' fingertips. You will work with a talented team of engineers, researchers, design and Product teams to design and implement key components of our products. Join us in this exciting mission to transform how people engage with technology and unlock new realms of human potential.

Responsibilities:

• Architect and implement cutting-edge iOS applications
• Develop novel solutions leveraging AI technologies
• Optimise performance at all levels of the mobile stack
• Champion best practices in mobile development
• Obsessive attention to detail and app experience
• Contribute to backend systems as needed

You might be a good fit if you have:

• 7+ years of iOS development experience and proficiency with latest mobile platform capabilities/intricacies, including

• Expertise in Swift, UIKit, SwiftUI, and iOS frameworks

• Practical experience with full-stack development and comfort working with backend technologies

• 0 to 1 experience building successful products in early stage environments

• A proven track record of shipping impactful, high-adoption mobile applications

• Experience building applications that utilise modern ML/AI technology

• Excellent communication and mentorship skills

• Thrived in a fast-paced, collaborative environment and and enjoy working closely with cross functional partners and teammates

Strong candidates may have:

• 3D graphics, visual effects, and audio and video streaming on mobile

• A vision for the future of human-machine interaction and a drive to make that vision a reality

Logistics

Education requirements:

We require at least a Bachelor's degree in a related field or equivalent experience.

Location-based hybrid policy:

Currently, we expect all staff to be in one of our offices at least 25% of the time. However, some roles may require more time in our offices.

Visa sponsorship:

We do sponsor visas! However, we aren't able to successfully sponsor visas for every role and every candidate. But if we make you an offer, we will make every reasonable effort to get you a visa, and we retain an immigration lawyer to help with this.

We encourage you to apply even if you do not believe you meet every single qualification.

Not all strong candidates will meet every single qualification as listed. Research shows that people who identify as being from underrepresented groups are more prone to experiencing imposter syndrome and doubting the strength of their candidacy, so we urge you not to exclude yourself prematurely and to submit an application if you're interested in this work.

Your safety matters to us.

To protect yourself from potential scams, remember that Anthropic recruiters only contact you from @anthropic.com email addresses. In some cases, we may partner with vetted recruiting agencies who will identify themselves as working on behalf of Anthropic. Be cautious of emails from other domains. Legitimate Anthropic recruiters will never ask for money, fees, or banking information before your first day. If you're ever unsure about a communication, don't click any links—visit anthropic.com/careers directly for confirmed position openings.

How we're different

We believe that the highest-impact AI research will be big science. At Anthropic we work as a single cohesive team on just a few large-scale research efforts. And we value impact — advancing our long-term goals of steerable, trustworthy AI — rather than work on smaller and more specific puzzles. We view AI research as an empirical science, which has as much in common with physics and biology as with traditional efforts in computer science. We're an extremely collaborative group, and we host frequent research discussions to ensure that we are pursuing the highest-impact work at any given time. As such, we greatly value communication skills.

The easiest way to understand our research directions is to read our recent research. This research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences.

Come work with us!

Anthropic is a public benefit corporation headquartered in San Francisco. We offer competitive compensation and benefits, optional equity donation matching, generous vacation and parental leave, flexible working hours, and a lovely office space in which to collaborate with colleagues.

Guidance on Candidates' AI Usage:

Learn about our policy for using AI in our application process

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San Francisco; New York City; Seattle

Employment Type

Full time

Location Type

Hybrid

Department

Applied AI

Compensation

• $185K – $385K • Offers Equity

The base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. If the role is non-exempt, overtime pay will be provided consistent with applicable laws. In addition to the salary range listed above, total compensation also includes generous equity, performance-related bonus(es) for eligible employees, and the following benefits.

• Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts

• Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)

• 401(k) retirement plan with employer match

• Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)

• Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees

• 13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time (1 hour per 30 hours worked, or more, as required by applicable state or local law)

• Mental health and wellness support

• Employer-paid basic life and disability coverage

• Annual learning and development stipend to fuel your professional growth

• Daily meals in our offices, and meal delivery credits as eligible

• Relocation support for eligible employees

• Additional taxable fringe benefits, such as charitable donation matching and wellness stipends, may also be provided.

More details about our benefits are available to candidates during the hiring process.

This role is at-will and OpenAI reserves the right to modify base pay and other compensation components at any time based on individual performance, team or company results, or market conditions.

About the Team The ChatGPT organization at OpenAI supports our mission by innovating across multiple core domains that shape how millions of people experience advanced AI. We are growing cross-functionally and hiring engineers across teams including Growth, Ecosystems, Personalization, Search Infrastructure, and more — all contributing to the next generation of AI-driven products and platforms.

About the RoleWe are seeking an experienced iOS Software Engineer to build and improve the ChatGPT iOS app.

In this role, you will:

• Build and ship new iOS features that expand the boundaries of AI-powered mobile applications.
• Drive improvements in app performance, architecture, test coverage, tooling, and reliability.
• Collaborate with Product, Design, Research, and other Engineering teams to enhance user delight.
• Own components end-to-end — design, implementation, testing, launch, and iteration.
• Integrate with backend and AI systems to deliver seamless mobile experiences.

You might thrive in this role if you:

• Have deep experience in iOS development (Swift/Objective-C), including frameworks like UIKit/SwiftUI, Core Data, and performance optimization.
• Are passionate about creating intuitive, performant, and delightful mobile experiences.
• Enjoy collaborating in cross-disciplinary teams and iterating rapidly.

_We are open to hiring in San Francisco, New York and Seattle_

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Microsoft AI are looking for a talented iOS engineer to help build the next wave of capabilities of our personalized AI assistant, Copilot. We’re looking for someone who will bring an abundance of positive energy, empathy, and kindness to the team every day, in addition to being highly effective.

About the Role

We are seeking a highly skilled iOS engineer to join our Native Engineering team. As an iOS engineer, you will be responsible for building world-class consumer experiences and products in a fast-paced environment. You will work closely with our Product Management, Design, and AI Research teams to take ambiguous projects and mold them into amazing experiences.

Accountabilities

• Care deeply about building outstanding consumer-grade mobile applications.
• Build consumer-grade applications for iOS.
• Ship high-quality, well-tested, secure, and maintainable code.
• Work collaboratively with our Designers, Product Managers, and AI Researchers to take ambiguous projects and mold them into amazing experiences.

The Candidate we're looking for

Experience:

• Bachelor’s Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, Swift, Objective-C, or Java OR equivalent experience.

Technical skills:

• Proficiency in Swift, Objective-C, or Java.
• Experience with iOS development tools and frameworks.

Personal attributes:

• Passion for learning new technologies and staying up to date with industry trends, best practices, and emerging technologies in mobile development and AI.
• Proven ability to collaborate and contribute to a positive, inclusive work environment, fostering knowledge sharing and growth within the team.

Benefits

• Competitive salary and benefits package.
• Opportunities for professional growth and development.
• Collaborative and dynamic work environment.
• Recognition and rewards for outstanding performance.

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Microsoft AI is looking for a talented iOS engineer to help build the next wave of capabilities of our personalized AI assistant, Copilot. We’re looking for someone who will bring an abundance of positive energy, empathy, and kindness to the team every day, in addition to being highly effective.

About the Role

We are seeking a highly skilled iOS engineer to join our Native Engineering team. The successful candidate will be responsible for building world-class consumer experiences and products in a fast-paced environment. The team is responsible for leading and building the core experience of Copilot on iOS and Android, while collaborating with our Product Management, Design and AI Research teams.

Accountabilities

• Care deeply about building outstanding consumer-grade mobile applications.
• Build consumer grade applications for iOS.
• Ship high-quality, well-tested, secure, and maintainable code.
• Work collaboratively with our Designers, Product Managers, and AI Researchers to take ambiguous projects and mold them into amazing experiences.

The Candidate we're looking for

Experience:

• Bachelor’s Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, Swift, Objective-C, or Java OR equivalent experience.

Technical skills:

• Proficiency in Swift, Objective-C, or Java.
• Experience with iOS development tools and frameworks.

Personal attributes:

• Passion for learning new technologies and staying up to date with industry trends, best practices, and emerging technologies in mobile development and AI.
• Proven ability to collaborate and contribute to a positive, inclusive work environment, fostering knowledge sharing and growth within the team.

Benefits

• Competitive salary and benefits package.
• Opportunities for professional growth and development.
• Collaborative and dynamic work environment.
• Access to cutting-edge technology and tools.
• Flexible work arrangements and work-life balance.

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What you'll do

You will be responsible for building and expanding Comet for iOS - Perplexity’s new browser.

• Develop a performant native iOS app that millions of users around the world enjoy using.
• Ensure a high craft and quality bar, both in the user experience and the developer experience.
• Work closely with design teams to design fast and intuitive UI.
• Collaborate with data science and machine learning teams to instrument, analyze, and improve the end-to-end experience.
• Work with infrastructure and QA teams on deployment processes, including testing, release, and monitoring.

What you need

• 5+ years industry experience
• Strong Swift fundamentals and a proven track record of working with a modern iOS stack built with Swift, SwiftUI (iOS16+) and UIKit
• Enjoys the craft of building nice UI, creating a good UX, and writing reusable and testable code
• Understands low-level intricacies, and knows how to profile and measure app performance and speed
• Comfortable working with a small, fast-moving team, and must be willing to dive in and take ownership
• A passion for iOS development, and enjoys experimenting with what's new with each iteration of iOS and iPadOS
• (Bonus) Experience with browser development

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