This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior iOS Engineer based in Spain. As a Senior iOS Engineer, you will play a key role in building high-quality mobile experiences that help users achieve their health and wellness goals. You will design, develop, and optimize features for a widely used iOS application while collaborating closely with Product and Design teams. This role offers the opportunity to take ownership of impactful user-facing features, contribute to technical decisions, and improve the overall performance and reliability of a growing digital platform. You will join a remote-first, product-focused engineering environment that values autonomy, innovation, and proactive problem-solving. This position is ideal for an experienced iOS developer who enjoys hands-on development and making a measurable impact through technology. ### Accountabilities - Design, develop, and release new iOS features with a strong focus on usability, performance, and delivering meaningful value to users. - Build and maintain scalable mobile architecture, including networking, data persistence, and state management solutions that support long-term product growth. - Collaborate closely with Product Managers and Designers to transform user needs and product requirements into practical, maintainable technical solutions. - Contribute to technical planning by evaluating feasibility, identifying risks, and recommending approaches aligned with user and business objectives. - Write clean, maintainable, and well-tested code while participating in code reviews and improving engineering standards. - Take ownership of developed features by identifying opportunities for improvement, analyzing feedback, and iterating on solutions. - Improve application stability and performance by diagnosing technical issues, resolving crashes, and optimizing the overall user experience. - Contribute to a collaborative remote engineering culture based on ownership, transparency, and continuous improvement. ### Requirements - 5+ years of professional software development experience with significant experience building iOS applications. - Proven experience delivering production-ready iOS apps from development through release and ongoing improvement. - Strong proficiency in Swift and modern iOS development practices. - Experience creating responsive, intuitive mobile interfaces with strong attention to detail and performance. - Deep understanding of iOS UI patterns, navigation systems, animations, and handling complex production scenarios. - Experience actively using AI coding assistants such as Claude Code, Codex, OpenCode, or similar tools to improve development speed, debugging, and problem-solving. - Strong knowledge of iOS networking concepts, including REST or GraphQL APIs, authentication flows, caching strategies, error handling, and offline scenarios. - Experience designing and maintaining scalable architectures such as MVVM, Redux-style patterns, Clean Architecture, or similar approaches. - Strong understanding of iOS performance optimization, debugging tools, crash analysis, and profiling techniques. - Excellent communication skills in English with the ability to collaborate effectively in a remote, distributed team environment. - Experience with SwiftUI, scalable design systems, third-party SDK integrations, subscription flows, CI/CD tools, or cross-platform technologies such as React Native or React.js is considered an advantage. - Previous experience in a startup or fast-growing product environment is a plus. ### Benefits - Fully remote position with flexible working hours and an async-friendly culture. - Competitive B2B compensation package with equity options. - Opportunity to directly influence a product used by a large community of creators and users. - High level of ownership and autonomy with minimal bureaucracy and micromanagement. - Collaborative international team environment with strong focus on communication and trust. - Opportunities to work on impactful features that are shipped quickly and used by real customers. - Yearly team retreats focused on collaboration, alignment, and relationship building. - Paid time off and support for sustainable work-life balance. How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! [Why Apply Through Jobgether?](https://jobgether.com/how-jobgether-works) Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #LI-CL1