Senior iOS Automation Engineer

Senior iOS Software Engineer, Quality Platform

Airbnb

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: The Quality Platform team is at the heart of Airbnb’s mission to provide a seamless, high-quality experience for millions of hosts and guests. We don’t just find bugs — we build the infrastructure that prevents them. Our team sits at the intersection of Mobile Infrastructure, Developer Experience, and Applied AI. We empower thousands of engineers across Airbnb to ship with confidence by building high-scale platforms, AI-driven automation, and fault-tolerant systems. You will join a group of high-impact engineers who value craft, operational excellence, and the challenge of navigating one of the world’s most complex mobile codebases. The Difference You Will Make: As a Senior IOS Software Engineer, you will play a key role in evolving our Quality Platform. You will bridge the gap between product engineering and infrastructure, ensuring that our IOS codebase remains highly testable and resilient as it scales. In this role, you will: * Build AI-Native Tooling: Move beyond traditional automation by implementing AI-driven agents that optimize our CI/CD pipelines and provide intelligent feedback to developers. * Enhance Developer Velocity: Identify and resolve systemic bottlenecks in the development lifecycle, allowing teams to move faster without compromising quality. * Advocate for Quality by Design: Work directly with product teams to guide architectural decisions, ensuring that new features are modular and testable from the first line of code. * Ship High-Scale Infrastructure: Own the development and maintenance of frameworks used by hundreds of engineers across Airbnb, ensuring they are performant, reliable, and easy to use. A Typical Day:  * Hands-on Development: Write high-quality, performant Swift code to extend testing frameworks and build AI-powered developer tools, leveraging LLMs to accelerate development workflows * Technical Ownership: Take ownership of key components of our Automated Quality Platform, ensuring operational excellence and high availability (24x7) of our testing infrastructure. * Design & Review: Participate in deep-dive design reviews for new IOS features, providing expert guidance on modularity and testability patterns. * Applied AI: Implement LLM-based solutions for smart test orchestration, test case generation, and autonomous test discovery to reduce CI feedback loops. * Cross-Functional Collaboration: Partner with Product and Mobile Infrastructure teams to align platform capabilities with the needs of the broader engineering org. * Mentorship: Review code and provide technical guidance to peers, fostering a culture of commitment to craft and engineering rigor. Your Expertise: * Experience: 5+ years of professional IOS development experience (or 2+ years with a PhD) in a fast-paced, high-growth tech environment. * Technical Mastery: Strong proficiency in Swift and the IOS SDK. You have a solid understanding of modern IOS architecture and the Xcode build lifecycle. * Infrastructure Experience: Demonstrated expertise in building or maintaining test automation frameworks (e.g., XCUITest) at scale. * CI/CD & Tools: Familiarity with CI/CD orchestration and a passion for building tools that improve the developer experience. * AI Curiosity: A strong interest or hands-on experience in leveraging AI/LLMs to solve engineering productivity or quality challenges. * Problem Solving: Proven ability to navigate complex, ambiguous codebases and implement best-in-class solutions. * Communication: Excellent communication skills with the ability to facilitate technical discussions across cross-functional teams. Our Commitment To Inclusion & Belonging: Airbnb is committed to working with the broadest talent pool possible. We believe diverse ideas foster innovation and engagement, and allow us to attract creatively-led people, and to develop the best products, services and solutions. All qualified individuals are encouraged to apply. We strive to also provide a disability inclusive application and interview process. If you are a candidate with a disability and require reasonable accommodation in order to submit an application, please contact us at: reasonableaccommodations@airbnb.com. Please include your full name, the role you’re applying for and the accommodation necessary to assist you with the recruiting process.  We ask that you only reach out to us if you are a candidate whose disability prevents you from being able to complete our online application.

Senior AI Engineer

Valtech

Why Valtech? We’re the experience innovation company - a trusted partner to the world’s most recognized brands. To our people we offer growth opportunities, a values-driven culture, international careers and the chance to shape the future of experience.  THE OPPORTUNITY At Valtech, you’ll find an environment designed for continuous learning, meaningful impact, and professional growth. Whether you're pioneering new digital solutions, challenging conventional thinking or building the next generation of customer experiences, your work will help transform industries.  We are proud of:  * The work we do and the innovation we drive  * Our values of share, care and dare  * A workplace culture that fosters creativity, diversity and autonomy  * Our borderless, global framework, which enables seamless collaboration    THE ROLE   The Senior AI Engineer is a practitioner role within Data Science, AI, & Agentic. This role is responsible for driving complex AI engineering workstreams while also supporting the growth, enablement, and effectiveness of AI engineering practitioners on the team. The Senior AI Engineer shapes implementation strategy, supports delivery planning and quality, and serves as a trusted partner to internal and client stakeholders on AI-enabled applications, orchestration patterns, workflow integration, and practical adoption. You will thrive in this role if you are:  * A curious problem solver who challenges the status quo  * A collaborator who values teamwork and knowledge-sharing  * Excited by the intersection of technology, creativity and data  * Experienced in Agile methodologies and consulting (a plus)  Role responsibilities * • Drive complex AI engineering workstreams across multiple business areas, use cases, products, or stakeholder groups. • Define AI engineering approaches that align business goals, workflow opportunities, orchestration patterns, integration requirements, and measurable implementation outcomes. • Translate ambiguous stakeholder needs into structured implementation plans, workflow logic, prompt orchestration, retrieval patterns, tool-calling approaches, and solution recommendations. • Guide the implementation of AI-enabled applications, agents, assistant-style experiences, and workflow components that connect models to practical business processes. • Establish and reinforce best practices for prompt orchestration, tool use, context handling, retrieval flow, API integration, workflow composition, response processing, testing, and code quality. • Design and improve reusable implementation patterns for use cases such as summarization, extraction, question answering, search augmentation, conversational support, workflow automation, grounded insight delivery, and agent-assisted task execution. • Contribute to delivery planning, prioritization discussions, and quality standards across AI engineering engagements. • Mentor, coach, and support practitioners through feedback, guidance, and performance development. • Review deliverables for clarity, technical rigor, quality, consistency, safety, and business usefulness. • Help teams improve workflow reliability, integration quality, testing discipline, and implementation reuse across projects. • Collaborate with AI Scientists, Data Scientists, Data Engineers, Analytics Engineers, and Architects to align AI solutions with business needs, governed data access, platform realities, and technical constraints. • Contribute to hiring, onboarding, capability development, and team maturity within the AI engineering practice. • Follow established governance, privacy, safety, and responsible AI-use standards across the work of the team.   Must have qualifications * Advanced English Level * Expected to demonstrate AI-native engineering habits appropriate to an AI Engineer role, including active use of approved AI-enabled tools and workflows for AI application development, orchestration design, prompt and retrieval integration, tool-calling workflows, API integration, testing, documentation, and reusable implementation patterns. Uses AI-assisted workflows to accelerate development, improve implementation quality, draft test cases, document workflow behavior, troubleshoot integration issues, and refine reusable components while maintaining human accountability for correctness, safety, maintainability, governed data access, and production usefulness. * Strong experience in AI application development using Python, SQL, PowerShell, and REST APIs, including workflow design and structured data (JSON) processing. * Hands-on experience with Microsoft Azure, including Azure AI Services, Azure OpenAI-compatible services, Azure API Management (APIM), Cosmos DB, and Microsoft Fabric for enterprise AI and data solutions. * Experience designing and implementing LLM-enabled and agentic applications, including RAG, prompt orchestration, tool calling, embeddings, context management, and workflow evaluation. * Strong knowledge of AI solution integration, cloud-native architectures, and scalable AI application development within Microsoft ecosystems. * Experience working with Databricks, Apache Spark, and PySpark to support AI, analytics, and data engineering workflows. * Proficient with Git, GitHub, and Azure DevOps for version control, collaboration, and CI/CD practices.   If you do not meet all the listed qualifications or have gaps in your experience, we still encourage you to apply. At Valtech, we recognize that talent comes in many forms, and we value diverse perspectives and a willingness to learn.    COMMITMENT TO REACHING ALL KINDS OF PEOPLE  We design experiences that work for all kinds of people - and that starts with our own teams. At Valtech, we’re intentional about building an inclusive culture where everyone feels supported to grow, thrive and achieve their goals. No matter your background, you belong here. Explore our Diversity & Inclusion site to see how we’re creating a more equitable Valtech for all.    THE BENEFITS   This is a Full Time position based in Brazil Beyond a competitive compensation package, we offer:  * Flexibility, with remote and hybrid work options (country-dependent)  * Career advancement, with international mobility and professional development programs  * Learning and development, with access to cutting-edge tools, training and industry experts * Medical, dental, and vision insurance for you and your family, plus employer contributions to Health Savings Accounts Our benefits are tailored to each location. Your Talent Partner will provide full details during the hiring process.     YOUR APPLICATION PROCESS Once you apply, our Talent Acquisition team will review your application. If your skills and experience align with the role, we’ll reach out for next steps. Your CV should cover key information on relevant experiences and expertise. We do not require information such as age, gender, marital status, or a headshot in your application. We review all candidates based on skills, experience, and potential. ⚠️ Beware of recruitment fraud: Only engage with official Valtech email addresses. We are committed to inclusion and accessibility. If you need reasonable accommodations during the interview process, please either indicate it in your application or let your Talent Partner know.     ABOUT VALTECH Valtech is the experience innovation company that exists to unlock a better way to experience the world. By blending crafts, categories, and cultures, we help brands unlock new value in an increasingly digital world.  At the intersection of data, AI, creativity, and technology, we drive transformation for leading organizations, including L’Oréal, Mars, Audi, P&G, Volkswagen Dolby, and more.  At Valtech, we don’t just talk about transformation. We make it happen. Our people are the heart of our success, and we foster a workplace where everyone has the support to thrive, grow and innovate.  Are you ready to create what’s next? Join us.   For applicants in California, please see Valtech's CPRA Privacy Notice here.

Senior iOS Test Automation Engineer (Native App)

Proton

Join Proton and build a better internet where privacy is the default At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech’s invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information. In some cases, Proton’s services have even been instrumental in saving lives by enabling secure and private communications in high-risk situations. Proton is a profitable company that does not rely upon VC funding, supporting over 100 million user accounts with a growing team of over 500 people from over 50 different countries, from the world's top companies and universities. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online. Hiring at Proton is highly selective, with less than 1% of candidates hired. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density. You will have the opportunity to work with many of the world's top minds in their fields, ranging from former international math and science olympiad winners to chess champions. We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our open-source projects here! The team: You strive for perfection and are obsessed with details? You are the one that catches the needle in the haystack in no time? You have a strong background in Quality Assurance and good technical skills? You like to work in a young and dynamic environment? Our QA team is looking for you. This team is part of our VPN department. The team members are spread in different office locations across Europe. They are responsible for raising the quality standards of our native clients on all platforms as well as maintaining, improving and executing test plans. They are working in strict contact with our automation engineers to get repetitive tasks implemented in our automated test suites while focusing on the improvements of the testing process. Also, they work hand-in-hand with the development and product teams and will provide quality feedback on every stage of the software development lifecycle. Tech Stack and Tools: Apple, XCode, XCTest   What you will do: As our iOS Test Automation Engineer, you’ll be the guardian of app quality. You will: * Design, build, and maintain automated test frameworks and test suites for iOS. * Collaborate closely with product managers, designers, and developers to ensure features are testable and reliable. * Integrate test automation into CI/CD pipelines to deliver fast, smooth, and fearless releases. * Debug, analyze, and triage test failures — helping the team get to the root cause quickly. * Continuously explore new tools, frameworks, and practices to improve test coverage, speed, and scalability.   What we are looking for: * 5+ years of test automation experience, with a focus on iOS apps. * Strong coding skills in Swift (bonus if you know Objective-C too). * Experience with iOS testing frameworks XCTest/XCUITest. * Familiarity with CI/CD pipelines (Gitlab, Harbor, Docker). * A quality-first mindset and a passion for clean, maintainable code. * Team-player energy — you love collaborating to build products users love.   Bonus points for: * Experience with device clouds (Firebase Test Lab, BrowserStack, Saucelabs). * Knowledge of API testing (REST, GraphQL) to validate end-to-end scenarios. * Experience with performance, load, or accessibility testing for mobile apps. * Contributions to open-source testing tools or your own side projects.   What We Offer: * Office First: Collaboration is easier and more effective in person, which is why we have offices in Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, and Taipei. You can also enjoy working from home up to 30% of the time, while enjoying great company during our three core days in the office.  * Technology: We provide all the devices and software you need to excel in your role, ensuring you have the best tools at your disposal to achieve your goals. * Food: Lunch and snacks are provided by Proton every day at our offices. * Transport: We will always support our employees with transport costs through subsidizing public transport, bike allowances, or parking spaces based on your office location. * Stock Options: At Proton, we are all owners of the company and you get stock options when you join us. * Flexible Working: You can define your own working hours as long as it works with team meetings. * Learning and Development: We are committed to your professional growth. Proton offers various learning opportunities, including training programs, conferences and events, and continual learning. * Employee Benefits: Comprehensive health insurance plans, competitive retirement savings options, generous vacation and leave policies, and wellness programs. * Work that Matters: Proton is a community-first organization, started with the support of a crowdfunding campaign and built with community input. To this day, Proton’s only source of revenue is user subscriptions. Over 100 million people trust and support Proton, and we put our users and community first in everything we do. Read more about our impact here. Our Commitment to Diversity and Inclusion At Proton, we believe diversity drives innovation and strengthens our mission to provide privacy as a default for all. We are committed to fostering an inclusive environment where all individuals, regardless of race, ethnicity, gender, age, sexual orientation, physical ability, or socio-economic background, feel valued and empowered. We strive to create equal opportunities, promote open dialogue, and support continuous learning to ensure every voice is heard and respected. If you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know. Candidate Privacy Notice When you apply for a position, refer a candidate, or are considered for a role at Proton Technologies AG (Proton, we, us, or our), your information is stored in Greenhouse, in accordance with their Service Privacy Policy. This information is used to evaluate your suitability for the posted position. We also retain this information for consideration for future roles that you may apply for or that we believe may align with your background and skills. If we no longer have a legitimate business need to process your information, we will either delete or anonymize it. Should you have any inquiries about how we use or manage your information, or if you wish to access, correct, or delete your data, please contact our privacy team at careers@proton.ch. Proton does not accept unsolicited resumes from any sources other than directly from candidates. We will not pay a fee for any placement resulting from an unsolicited offer, even if the candidate is subsequently hired by Proton. To learn more about our privacy policy, please visit our privacy policy page. Compensation range Vilnius: 46.000 - 76.000 EUR gross annually* Barcelona: 50.000 - 78.000 EUR gross annually* Other locations: Compensation will be discussed during the interview process *Final compensation will be determined based on the candidate's qualifications, skills, and previous experience #LI-Onsite