iOS Software Engineer

🏢 Summary: iOS Software Engineer role focused on building a reliable, high-performance AI assistant for Apple devices. The position involves developing Swift and SwiftUI applications, integrating AI through backend APIs, and delivering trustworthy user experiences for long-running and unpredictable AI workflows. 🗂️ Requirements: 3+ years of iOS application development with Swift, Experience integrating AI features into mobile applications, Async/await, concurrency, and background-task expertise, iOS performance and memory-optimization skills, Experience releasing and maintaining production iOS applications, Ability to handle delays, partial failures, and unpredictable AI responses, AI-focused UX and user-trust design knowledge 📃 Skills: iOS, Swift, SwiftUI, AsyncAwait, Concurrency, CoreML, SPM, SQL, NoSQL, TensorFlow, APIs 🏢 Description: About the Product More than 5 billion people use everyday apps such as email, notes, and task managers. Most of these applications are not built with AI. The product is an AI assistant that helps users with conversations, daily tasks, planning, and work. It is designed to be easy to use and requires very little input from users. It supports long tasks, remembers important information, and helps users complete real work. It can solve problems step by step, work with external services, and remain reliable even when AI responses are unpredictable. The goal is to help users save time and make everyday tasks faster and easier. Role As an iOS Software Engineer, you will develop and improve the iOS application. You will ensure AI works smoothly on Apple devices and provides a great user experience. AI is the main part of the product, so speed, reliability, and user confidence are very important. Main Responsibilities • Build and maintain iOS applications using Swift and SwiftUI. • Add AI features through backend APIs. • Create user-friendly AI experiences, including loading screens, streaming responses, retry options, and fallback solutions. • Improve application speed, memory usage, and battery performance. • Collect user feedback and usage data to help improve AI features. • Work closely with backend developers and machine learning engineers on API design and system behavior. • Keep the application stable, reliable, and ready for App Store releases. Requirements • At least 3 years of experience developing iOS applications with Swift. • Experience adding AI features to mobile applications. • Good understanding of async/await, concurrency, and background tasks. • Strong skills in improving iOS application performance and memory usage. • Experience releasing and maintaining production iOS applications. • Comfortable working with systems where delays, partial failures, or unpredictable AI responses may happen. • Experience with CoreML or lightweight on-device machine learning is an advantage. • Knowledge of feature flags or remote configuration systems is a plus. • Good understanding of user experience design for AI applications and building user trust. Expected Results • Deliver iOS applications that are stable, reliable, and easy to use. • Build applications with fast performance, low latency, and efficient use of memory and CPU resources. • Detect production issues early, monitor system health, and solve problems with clear root-cause analysis. Technologies • Swift • Swift Package Manager (SPM) • SwiftUI • SQL / NoSQL • TensorFlow Lite How We Work The best products are created by small teams with excellent skills. The team works closely together, makes decisions as a team, and moves quickly while maintaining high quality. Team members are encouraged to work independently, stay organized, and make good decisions. The goal is to build an AI product that gives real value to users every day. Interview Process If your experience matches the requirements, you will be invited to 3 or 4 interviews. The technical team reviews every application. Interviews are held online or in person. The hiring process is simple and efficient. Candidates with the required skills and attitude may be invited to join the team.

🏢 Summary: The offer is for an experienced iOS Engineer to build and evolve a production-grade consumer voice application on iOS, with full ownership over architecture, performance, and product quality. The role covers end-to-end mobile development using Swift, close collaboration with backend and AI teams, and delivering polished, real-time user experiences. It focuses on scalable architecture, reliability, and high engineering standards in a fast-growing product environment. 🗂️ Requirements: 2+ years of iOS development experience with Swift, Strong knowledge of Swift fundamentals including async/await and memory management, Commercial experience with SwiftUI and/or UIKit, Experience with networking and API integration, Experience with local storage solutions (Core Data, SQLite, Realm or similar), Experience with Git workflows, Experience with CI/CD for mobile applications, Strong understanding of application architecture and testing 📃 Skills: Swift, SwiftUI, UIKit, CoreData, SQLite, Realm, Git, CICD, Xcode, GitHubActions, Fastlane, TestFlight, APIs, AsyncAwait 🏢 Description: For our client, a fast-growing team building a modern consumer voice product on iOS, we are looking for an experienced iOS Engineer to join a small, high-performing product team. This is not a founding role, but it is a key product and engineering position with real ownership and impact on the direction of the mobile experience. About the role You will be responsible for building and maintaining a high-quality iOS application in Swift, using SwiftUI where appropriate and UIKit when needed. This is an end-to-end role covering architecture, product quality, performance, and polished user interactions. You will work closely with backend and AI teams to deliver fast, reliable, and delightful mobile experiences. Responsibilities iOS Development Build and maintain a production-grade iOS application in Swift Use SwiftUI where it makes sense and UIKit when required Design clean, scalable, and testable architecture with clear module boundaries Implement offline-first flows, local persistence, and reliable synchronization Build real-time experiences involving live state and streaming updates Optimize app performance, including smooth scrolling, fast cold starts, and efficient background execution Implement deep links, push notifications, and in-app messaging Integrate analytics, logging, and crash reporting tools Support reliable App Store releases, phased rollouts, and feature flagging Product & Craft Collaborate closely with designers to deliver polished, accessible, pixel-perfect UI Translate ambiguous product ideas into clear scopes, iterations, and shipped features Document important technical decisions and trade-offs Partner with backend teams to define APIs, error handling, and end-to-end reliability Quality & Security Write unit, integration, and UI tests with a strong quality mindset Maintain code quality standards through linting, formatting, and static analysis in CI Apply best practices around privacy, secure storage, and permissions Carefully evaluate dependencies and minimize security risks where possible Requirements Must-have 2+ years of experience in iOS development using Swift Strong understanding of Swift fundamentals, including async/await, memory management, and performance optimization Commercial experience with SwiftUI and/or UIKit Solid understanding of networking, API integration, and resilient error handling Experience with local storage solutions such as Core Data, SQLite, Realm, or similar Familiarity with Git workflows and CI/CD processes for mobile applications Strong fundamentals in application architecture, testing, and delivery Nice to have Experience working with audio, speech, or real-time streaming UX Exposure to modularization or shared business logic Familiarity with observability tools such as Sentry or Crashlytics Experience working on high-traffic consumer applications Example stack Mobile: Swift, SwiftUI, UIKit Backend / AI: modern APIs, real-time systems, cloud infrastructure Tooling: Xcode, GitHub Actions, Fastlane, TestFlight

🏢 Summary: Senior iOS Engineer role focused on building, optimizing, and modernizing high-performing iOS applications in a mature Agile product environment. The position involves end-to-end ownership of mobile features, collaboration across teams, and driving scalable, maintainable solutions using modern iOS technologies. Candidates should have strong expertise in Swift, UIKit, architecture patterns, and mobile engineering best practices. 🗂️ Requirements: 5+ years of iOS development experience, Strong expertise in Swift, Experience with MVVM, Experience with Clean Architecture, Experience with modular app architecture, Experience with Combine, Experience with UIKit, Experience with SwiftUI, Experience with Cocoapods, Experience with SPM, Experience with dependency injection, Experience integrating RESTful APIs, Ability to analyze and improve app performance and memory usage, Experience with Git workflows and CI/CD, Experience working in Agile teams, English communication skills 📃 Skills: Swift, MVVM, UIKit, SwiftUI, Combine, Cocoapods, SPM, Git, CI/CD, REST, iOS 🏢 Description: We’re seeking an experienced Senior iOS Engineer to develop and optimize our iOS applications, using strong expertise in modern mobile technologies. You’ll be involved throughout the entire mobile app lifecycle, shaping features, designing software, and refining the user experience. We’re looking for someone who can contribute independently in a mature Agile product environment, taking ownership from refinement through delivery with minimal hand-holding. Your responsibilities: Build and maintain reliable, high-performing iOS apps. Write clean, efficient and testable Swift code. Work closely with engineering, product, design, and QA teams. Translate product requirements into solid technical solutions. Drive features independently from requirements clarification through implementation, QA collaboration, release readiness, and production support. Proactively identify risks, blockers, and ambiguities, and communicate them early with Product, QA, and Engineering. Contribute to high-quality engineering practices through thoughtful technical decisions, clear pull requests, and constructive code reviews. Refactor and modernize legacy code and support the transition toward a modular application architecture. We are looking for you, if you have: 5+ years of iOS development experience, ideally in product-driven or high-scale environments. Strong problem-solving skills and the ability to turn complex challenges into actionable steps. Focus on scalability, maintainability, and long-term platform health. Experience working in Agile teams with planning, estimation, and iterative delivery. Highly self-managed, dependable, and able to operate effectively with minimal supervision. Clear communicator who asks clarifying questions, keeps stakeholders informed, and follows through on commitments. Comfortable navigating ambiguity, prioritizing effectively, and proposing practical solutions in a fast-moving environment. Strong expertise in Swift, MVVM, Clean Architecture, and modular app architecture. Experienced with Combine, UIKit (mandatory), SwiftUI, Cocoapods, SPM, and dependency injection. Solid experience integrating RESTful APIs, data processing, and error management. Able to analyze and improve app performance, memory usage, stability, and responsiveness. Proven ability to deliver polished, intuitive, user-focused mobile interfaces. Confident with standard engineering workflows including Git, branching strategies, pull requests, code reviews, CI/CD, and release processes. Experience working in mature Agile product teams, including backlog refinement, sprint planning, QA collaboration, and iterative delivery. Excellent communication skills in English. We offer: Participation in interesting and demanding projects. Flexible working hours. A great, non-corporate atmosphere. Possibility to work remote or hybrid (2 days per week from the office). Opportunities for development and promotion. Attractive package of benefits. We reserve the right to contact the selected candidates.

🏢 Summary: Senior iOS Engineer role focused on leading engineering and product decisions while actively shipping production code for a large-scale text-to-speech iOS application. The position involves enhancing a complex app architecture, collaborating within a product team, and shaping the product roadmap in a fast-paced, fully distributed environment. Ideal for an experienced engineer passionate about user experience, scalability, and high-impact product development. 🗂️ Requirements: Proven experience building and scaling iOS applications with large user bases, Strong proficiency in Swift, Hands-on experience with SwiftUI, Experience with multithreading programming, Experience working with CI/CD infrastructure, Experience using Fastlane, Strong understanding and application of SOLID principles, Experience with Git and Git strategies, Ability to maintain and enhance complex app architectures, Experience shipping production-level iOS code 📃 Skills: Swift, SwiftUI, Multithreading, CI/CD, Fastlane, Git, SOLID, iOS 🏢 Description: Overview With the growth of our iOS app, ranked #18 in the Productivity category on the App Store and recognized with Apple’s 2025 Design Award for Inclusivity, we are looking for a Senior iOS Engineer to support our expanding user base and work on new, impactful projects. This is a key role for someone who thinks strategically, thrives in fast-paced environments, and is passionate about building outstanding user experiences. We are a flat organization where leadership is demonstrated through strong technical skills and consistent, fast delivery. Work ethic, communication skills, and a drive for excellence are essential. Our interview process includes several technical interviews and is typically completed within one week. What You'll Do - Lead key engineering and product decisions - Actively ship production code for the iOS app - Work within a dedicated product team - Participate in product discussions and shape the roadmap - Maintain and enhance a complex existing app architecture An Ideal Candidate Should Have - Experience working on products that scaled to a large user base - Track record of building products from inception to meaningful traction - Responsibility for engineering ownership of products - Strong customer focus and commitment to user experience - Product-oriented mindset and ability to guide cross-functional teams - Ability to work quickly and prioritize effectively - Strong focus and ability to work effectively in a remote, high-growth environment - Technical skills in Swift and SwiftUI Technical Requirements - Swift programming language - SwiftUI experience - Experience in multithreading programming - Experience working with CI/CD infrastructure - Experience with Fastlane - Strong understanding of SOLID principles and ability to apply them consistently - Experience with Git and understanding of Git strategies What We Offer - Fast-growing environment with opportunity to shape the product and company - Entrepreneurial team that supports risk-taking and initiative - Opportunity to make a significant impact in a transformative industry - Competitive salary, bonus, and stock options depending on experience - Collaborative and asynchronous work culture - Work on a product used by millions of people worldwide - Opportunity to contribute to the intersection of Artificial Intelligence and Audio

🏢 Summary: Remote B2B opportunity for a senior iOS Engineer to own the architecture, performance, and user experience of an AI-native smart-assistant app. The role focuses on building resilient AI interactions, optimizing mobile efficiency, and collaborating with ML and backend teams on APIs and evaluation pipelines. 🗂️ Requirements: 5+ years of native iOS development experience, Swift and SwiftUI experience, AI/LLM feature integration experience, Streaming API and background-task experience, Async/await, concurrency, and memory-management knowledge, Experience with on-device ML inference, Ability to design for latency, partial failures, and non-deterministic AI behavior, AI UX and performance-optimization expertise 📃 Skills: iOS, Swift, SwiftUI, LLMs, APIs, async/await, Concurrency, CoreML, TensorFlow, Inference 🏢 Description: Build a proactive smart assistant that brings intelligence to everyday workflows and reduces task completion time by over 90%. What we offer • B2B contract • Join a high-talent team building the core Poland tech hub • 100% remote work • Extremely fast and transparent hiring process (3–4 steps maximum, with prompt decisions) • Opportunity to build an AI-native product from scratch for billions of global users • Direct ownership of the iOS client architecture, performance, and user experience What you offer • 5+ years of experience in native iOS development using Swift and SwiftUI • Hands-on experience integrating AI/LLM features, streaming APIs, and background tasks • Strong understanding of async/await, concurrency, and memory management • Exposure to CoreML, TensorFlow Lite, or light on-device ML inference • Comfort designing resilient systems for network latency, partial failures, and non-deterministic AI behavior • Strong intuition for AI UX patterns and performance optimization What you will do • Own the iOS client experience, driving how AI feels, responds, and performs in users’ hands • Design smooth, resilient mobile UX patterns for AI interactions, including loading states, response streaming, retries, and fallbacks • Optimize performance, memory usage, and battery efficiency for complex, AI-heavy flows • Collaborate directly with ML and backend engineers to shape API contracts, logging, and evaluation pipelines

🏢 Summary: Senior iOS Software Engineer role focused on designing, developing, and maintaining advanced iOS applications using Swift and SwiftUI in a collaborative Agile environment. The position involves technical leadership, architectural decision-making, performance optimization, API integration, and mentoring junior developers. On-site work is required 2–3 days per week for a full-time engagement between July and December 2026. 🗂️ Requirements: Expertise in SwiftUI, Advanced Swift programming skills, Experience with Objective-C, Knowledge of MVVM, VIPER, or Clean Architecture, Experience with iOS SDK frameworks, Experience with UIKit, Experience with Core Data, Experience with Core Animation, Experience with Core Graphics, Performance optimization and memory management skills, Experience with RESTful APIs and JSON parsing, Debugging and troubleshooting in Xcode, Unit testing experience, Knowledge of DevOps practices, Experience with Agile/Scrum, Ability to mentor junior developers, Strong collaboration and communication skills 📃 Skills: Swift, SwiftUI, Objective-C, MVVM, VIPER, UIKit, CoreData, CoreAnimation, CoreGraphics, REST, JSON, Xcode, iOS, DevOps, Scrum, Agile 🏢 Description: Period from: 2026-07-31 Period to: 2026-12-31 Utilization: 100 % Location: On-site 2-3 days a week Job description: As a Senior Software Engineer (iOS) you will be in the centre of the action where product meets business. You will be working closely with Product Managers, Engineering Managers, development teams and other stakeholders, helping to develop the product for iOS as per the business requirement without compromising on the industry best coding practices. Knowledge : Swift, Objective-C, SwiftUI, Architecture & Design patterns, Unit Testing, DevOps, Performance Optimisation Responsibilities: Lead the design, development, and maintenance of advanced iOS applications using Swift and SwiftUI. Drive technical decision-making, provide architectural guidance, and ensure the implementation of best practices. Collaborate closely with product managers, designers, and other developers to define project requirements and deliver innovative features. Mentor and provide technical guidance to junior developers, fostering their growth and skill development. Conduct code reviews, offer constructive feedback, and ensure adherence to coding standards and best practices. Identify and resolve complex technical issues, including performance optimization, memory management, and concurrency challenges. Stay up to date with the latest advancements in iOS development, evaluate new tools and frameworks, and promote their adoption when appropriate. Work closely with backend developers to integrate mobile applications with server-side systems and APIs. Collaborate with quality assurance teams to ensure thorough testing and deployment of mobile applications. Participate in Agile/Scrum development processes, contribute to sprint planning, and provide accurate estimations for project timelines. Stay informed about industry trends and emerging technologies, and share knowledge and insights with the team. Requirements: Expertise in SwiftUI: Extensive experience and deep understanding of SwiftUI, including its core concepts, declarative syntax, and component-based architecture. As a senior developer, you should be able to leverage SwiftUI's advanced features, handle complex UI requirements, and provide guidance to junior developers. Swift Programming: Mastery of the Swift programming language, including its latest features and best practices. Senior developers should be able to write clean, efficient, and maintainable code, and provide mentorship to junior team members on Swift-related topics. Architecture and Design Patterns: Proficiency in software architecture and design patterns, such as MVVM, VIPER, or Clean Architecture, is crucial. Senior developers should be able to make informed decisions on architectural choices, design scalable and modular solutions, and ensure code quality and maintainability. iOS Frameworks and APIs: In-depth knowledge of the iOS SDK, including various frameworks and APIs provided by Apple. Strong familiarity with foundational frameworks like UIKit, Core Data, Core Animation, and Core Graphics is important, as well as an understanding of how to integrate them effectively with SwiftUI. Advanced User Interface Design: Expertise in user interface design principles and a keen eye for detail. As a senior developer, you should be able to collaborate closely with designers, provide valuable feedback, and ensure the implementation of pixel-perfect and intuitive user interfaces. Performance Optimization: Ability to optimize application performance by identifying and addressing bottlenecks, reducing memory footprint, and improving rendering efficiency. Proficiency in tools like Instruments for performance analysis and optimization is highly valuable. Networking and API Integration: Extensive experience working with RESTful APIs, handling asynchronous network requests, parsing JSON responses, and implementing robust error handling and authentication mechanisms. Senior developers should have a deep understanding of networking concepts and practices. Debugging and Troubleshooting: Strong debugging skills to identify and resolve complex issues. Proficiency in using debugging tools, such as XCode’s debugger and console, and the ability to analyze crash logs and system logs are important for troubleshooting and resolving critical issues. Team Leadership and Mentorship: Strong leadership skills to guide and mentor junior developers, provide technical direction, and foster a collaborative and productive team environment. Senior developers should be able to facilitate knowledge sharing, conduct code reviews, and provide constructive feedback. Communication and Collaboration: Excellent communication skills, both written and verbal, to effectively communicate ideas, technical concepts, and project requirements. The ability to collaborate with cross-functional teams, including designers, product managers, and backend developers, is crucial for successful project delivery. Continuous Learning and Adaptability: A passion for learning and staying up-to-date with the latest iOS and SwiftUI advancements. As a senior developer, you should actively seek out new technologies, trends, and best practices, and be adaptable to evolving project requirements and technologies.

🏢 Summary: Opportunity for an expert iOS engineer to build a high-impact AI mobile application, shaping cutting-edge user experiences and deploying state-of-the-art AI models at global scale. The role combines deep technical ownership, performance optimization, and close collaboration with AI researchers to deliver fast, pixel-perfect, real-time mobile systems. Offers high compensation, equity, and comprehensive benefits. 🗂️ Requirements: Expert-level proficiency in Swift, Deep knowledge of UIKit and SwiftUI, Strong experience with performance optimization (memory, CPU, GPU), Experience designing and shipping pixel-perfect mobile UIs, Proficiency in concurrency and reactive programming (Combine), Experience integrating high-throughput APIs (REST or gRPC), Ability to own features end-to-end from architecture to App Store deployment 📃 Skills: Swift, UIKit, SwiftUI, Combine, REST, gRPC, Rust, AVFoundation, iOS 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.ABOUT THE ROLE: 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. You'll shape cutting-edge mobile experiences, blending technical mastery with product brilliance. 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 SpaceXAI—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 SpaceXAI, 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.SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

🏢 Summary: Senior iOS Engineer role focused on leading the end-to-end development of an AI-driven healthcare mobile application evolving into a full healthcare management platform. The position offers high ownership over mobile architecture, close collaboration with product, and responsibility for building secure, production-ready Swift features in a small, fast-moving team. It emphasizes pragmatic delivery, performance, usability, and security in a real-world healthcare environment. 🗂️ Requirements: Senior-level experience in software engineering, Strong expertise in native iOS development, Proficiency in Swift, Solid understanding of software architecture, Solid understanding of system design principles, Ability to deliver high-quality solutions pragmatically and quickly, Experience implementing secure coding practices 📃 Skills: Swift, iOS, Firebase, AI, Mobile, Security 🏢 Description: We’re building a next-generation AI-driven healthcare application and evolving it into a full-scale healthcare management platform. The focus is simple: ship meaningful features fast, keep things secure, and build software that actually solves real-world problems in healthcare—not theoretical architecture diagrams. We’re looking for a Senior iOS Engineer (Swift) who wants ownership, impact, and close collaboration with product in a small, highly focused team. What you’ll be doing You’ll take a leading role in shaping and delivering our iOS application end-to-end. This isn’t a “just implement tickets” role—you’ll own the mobile experience and help define how it evolves. Own the implementation and ongoing development of the iOS app Build practical, production-ready features in Swift with a strong focus on performance and usability Design architecture that is clean, adaptable, and avoids unnecessary complexity Work closely with product teams to translate ideas into working solutions quickly Ensure security best practices are embedded into everything you build, including vulnerability awareness and mitigation Help evolve the app as it grows into a broader healthcare platform What we’re looking for Must-haves: Experience as a Senior Software Engineer (or equivalent hands-on senior role) Strong expertise in native iOS development using Swift Solid understanding of software architecture and system design principles Ability to balance engineering quality with fast, pragmatic delivery Nice-to-haves: Startup experience where you’ve worn multiple hats Familiarity with Firebase or similar mobile backend tools Exposure to regulated environments (healthcare, finance, etc.) Experience with AI-native mobile features or growth-focused mobile products Why this role is interesting You’ll work on a real AI healthcare product with real-world impact Small, focused 5-person engineering team —no bureaucracy Direct collaboration with product (fast decisions, tight feedback loops) High ownership and autonomy over mobile architecture and delivery Remote-first and flexible working setup Opportunity to shape a platform from early-stage to scale

🏢 Summary: Opportunity for a senior iOS Engineer to build a high-impact AI mobile application, owning features end-to-end from architecture to App Store release. The role focuses on crafting high-performance, pixel-perfect user experiences and integrating state-of-the-art AI models into responsive, real-time iOS apps. 🗂️ Requirements: Expert-level Swift proficiency, Deep knowledge of UIKit and SwiftUI, Experience with performance optimization (memory, CPU, GPU), Strong concurrency and reactive programming skills (Combine), Experience integrating APIs (REST or gRPC), Ability to design and ship pixel-perfect mobile UIs, Experience owning features end-to-end including architecture and App Store deployment 📃 Skills: Swift, UIKit, SwiftUI, Combine, REST, gRPC, Rust, AVFoundation, iOS, Xcode 🏢 Description: About xAI xAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.ABOUT THE ROLE: 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. You'll shape cutting-edge mobile experiences, blending technical mastery with product brilliance. 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.xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

🏢 Summary: Role for an iOS Software Engineer developing and maintaining native mobile applications within a large-scale IoT smart home ecosystem. The position focuses on shaping mobile architecture, enhancing device connectivity, and delivering high-quality user experiences using modern Apple technologies. Work involves building robust, scalable iOS solutions integrated with smart devices. 🗂️ Requirements: Minimum 4 years professional software development experience, Minimum 2 years experience in native iOS development, Strong knowledge of Swift and modern language features, Proficiency with SwiftUI and UIKit, Experience with Combine for reactive programming, Experience with XCTest for unit testing, Understanding of iOS memory management, Experience with Swift Package Manager, Hands-on experience with Bluetooth Low Energy, Experience with Apple Core Bluetooth framework, Fluency in English, Residence in Poland 📃 Skills: Swift, SwiftUI, UIKit, Combine, XCTest, BLE, CoreBluetooth, SPM, iOS, SwiftConcurrency 🏢 Description: Join our team as an iOS Software Engineer working on mobile solutions within the Home Connect ecosystem. You will contribute to a mature IoT platform that connects smart home devices used by millions of users worldwide. This role offers the opportunity to shape mobile architecture, improve device connectivity, and build high-quality user experiences in a modern Apple development environment. The role involves a hybrid work model - two days a week from the Warsaw office. Your tasks Design, develop, and maintain native iOS applications for the Home Connect ecosystem using Swift Contribute to the evolution of mobile architecture and technical standards across the platform Build intuitive and responsive user interfaces using SwiftUI and UIKit Implement modern asynchronous solutions using Swift Concurrency (async/await) and reactive programming with Combine Integrate and enhance smart device connectivity using Bluetooth Low Energy (BLE) and Apple’s Core Bluetooth framework Ensure software quality through testing, performance optimization, and collaboration with cross-functional product and engineering teams Requirements Minimum 4 years of professional software development experience, including at least 2 years focused on native iOS applications Strong practical knowledge of Swift, including modern language features and clean coding practices Proficiency in building mobile interfaces using SwiftUI and UIKit Experience with reactive programming using Combine, unit testing with XCTest, and an understanding of iOS memory management Familiarity with Swift Package Manager (SPM) and hands-on knowledge of Bluetooth Low Energy (BLE) using Apple’s Core Bluetooth framework Fluency in English Residing in Poland required What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!