About the Role We’re looking for a Staff iOS Engineer to lead the evolution of Franki’s mobile platform and play a key role in shaping our technical direction. This is a senior, hands-on engineering role that blends architectural leadership, coding excellence, and mentorship. You’ll help define how we build scalable, maintainable, and performant iOS applications that bring Franki’s product vision to life. As our iOS Staff Engineer, you’ll collaborate with Product, Design, and Backend teams to deliver beautiful, high-performing mobile experiences. You’ll set engineering standards, guide best practices, and ensure that quality and innovation remain at the core of everything we ship. What you’ll do: - Lead the technical direction and architecture of Franki’s iOS platform—ensuring scalability, modularization, and maintainability. - Develop and deliver high-quality features in Swift, writing clean, testable, and well-documented code. - Mentor and support engineers, leading code reviews and fostering technical excellence across the team. - Improve and maintain CI/CD pipelines using GitHub Actions, Firebase App Distribution, and Fastlane. - Enhance testing automation—drive unit, UI, and integration test coverage across the app. - Collaborate cross-functionally with Product, Design, and Backend to deliver user-first, performant mobile experiences. - Adopt and integrate new iOS frameworks and tools, continuously improving performance and development speed. - Monitor and optimize app performance using Firebase Crashlytics and analytics data. - Champion technical best practices and contribute to the modernization of Franki’s mobile architecture. You’re a good fit if you have... - 8+ years of professional iOS development experience, including leadership or mentorship responsibilities. - Expert-level proficiency in Swift and a strong understanding of iOS architecture patterns. - Experience building and maintaining large-scale, modularized applications with multi-module structures. - Proficiency with CI/CD pipelines (GitHub Actions, Firebase App Distribution, Fastlane). - Strong background in unit testing, UI testing, and automated build workflows. - Familiarity with Firebase Crashlytics, performance monitoring, and release processes - A passion for elegant, maintainable code and seamless user experiences. - Excellent communication and collaboration skills, with a focus on knowledge sharing and problem solving. Bonus points if you're... - Comfortable in a fast-paced startup - Ability to collaborate with cross-time zone teams Why Franki... - Remote role with semi-flexible scheduling and collaboration across distributed teams in multiple time zones. - Opportunity to contribute to architectural modernization and scalable mobile solutions. - Exposure to modern mobile development tools and practices; continuous learning and knowledge sharing. - Engaging, inclusive culture that champions Franki values, positivity, and mutual respect. - Competitive compensation aligned with experience and market benchmarks. - Flexible work environment with emphasis on work-life balance and professional growth.

• Develop and evolve the iOS app with a focus on quality, performance, and scalability • Actively participate in architectural and structural product decisions • Ensure engineering best practices, clean code, and consistent standards • Serve as a technical reference and mentor for team members • Collaborate closely with Product, Design, Android, and Backend teams • Support the definition and prioritization of the long-term technical roadmap

Role Description Auf Basis von Swift und SwiftUI unterstützt Du die Entwicklung moderner, nativer iOS-Applikationen, insbesondere die iOS-Applikation für unsere Praxissoftware tomedo®. - Du implementierst, testest, integrierst und dokumentierst intelligente Softwarelösungen. - Du treibst gemeinsam mit uns die Digitalisierung und Vernetzung der Arztpraxen sowie die Kommunikation zwischen Patienten und Ärzten voran. - Wir lernen auf Augenhöhe von- und miteinander und gehen auf Deine individuelle Lernkurve ein. - Mit regelmäßigen Mentoring durch erfahrene Entwickler sorgen wir dafür, dass Du gut im Team ankommst und Dich bestmöglich entfalten kannst. - Gestalte aktiv Deine Karriere als iOS-Entwickler – ob auf dem Weg vom Junior zum Senior oder bereits als Senior. - Diese Position kann zu 100% aus dem Home-Office ausgeübt werden. - Teilzeitanstellung ist möglich, idealerweise wöchentlich mindestens 30h. Qualifications - Sehr gut abgeschlossenes Studium im Bereich Informatik/Mathematik oder vergleichbare Ausbildung im IT-Umfeld. - Leidenschaft für die Entwicklung mobiler Applikationen mit ersten Erfahrungen in Swift / SwiftUI oder Objective-C / UIKit. - Erfahrung mit Design und Architektur von Desktop-Applikationen und den dafür notwendigen Patterns und Entwicklungstools. - Starkes Interesse an allen Aspekten des Software-Development-Lifecycles – von der Konzeptionsphase bis hin zur Wartung. - Wohlfühlen in einem agilen Umfeld, wie etwa in Scrum-Teams, und schätzen des engen Austauschs mit den Kunden. - Deutschkenntnisse mindestens auf C1-Niveau. Benefits - Offenes und ambitioniertes Team von über 500 Mitarbeitern. - Startup-Atmosphäre mit vielseitigen Perks. - Flexible Arbeitszeiten und Home Office. - Team Events wie Beachvolleyball, Grillfeste, Kochabende oder Paddeltouren. - Job Crafting/individuelle Arbeitsgestaltung. - Weiterentwicklungsmöglichkeiten. - Förderung der physischen und psychischen Gesundheit. - Betriebliche Altersvorsorge. - Betriebliche Krankenversicherung. - Dienstradleasing/Jobrad. - Hardwareleasing. - Mitarbeiterrabatte. - Betreuungskosten- und Kita-Zuschuss. - Erholungsbeihilfe. - Essenszuschuss. - Fahrtkostenzuschuss. - Auslandsarbeit. Application Process Überzeugt? Dann bewirb Dich jetzt bei uns! Lade Deine aussagekräftige Bewerbung inklusive Anschreiben, Lebenslauf und der relevanten Zeugnisse ganz einfach online auf unserer Homepage hoch. Sobald Deine Bewerbung bei uns angekommen ist, erhältst Du eine automatische Bestätigung per Mail. Du hast noch Fragen? Dann wende Dich an unsere Personalabteilung. Sabrina, Tom, Julia und Elisa stehen Dir gerne bei Rückfragen zur Verfügung. Du erreichst sie unter jobs@zollsoft.de .

Mindgrub Technologies is a digital agency specializing in digital transformation for established enterprises and growth-stage companies. We build complex, deeply integrated applications that power critical experiences for enterprises and startups alike. Our engineering teams work across web, mobile, and cloud platforms, delivering solutions that range from multi-million dollar platform modernizations to fast-moving, high-impact digital builds. Position Overview We are seeking a highly experienced iOS networking specialist for a short-term technical discovery engagement focused on secure network access and browser-based protection on Apple mobile devices. This is a time-boxed architectural and investigative engagement, not an implementation role. The objective is to evaluate feasibility, define architectural direction, identify risks, and produce clear technical guidance that will inform future product development. You will assess how an existing enterprise security platform could be extended to iOS while operating within Apple platform constraints and enterprise device management models. Responsibilities - Lead a deep technical discovery of iOS networking capabilities related to secure traffic routing, enterprise access, and managed application controls - Evaluate the use of Apple NetworkExtension frameworks, including Packet Tunnel Provider, for implementing a custom VPN based traffic steering solution - Assess feasibility of per app VPN models tied to managed browser applications such as enterprise managed Chrome or Edge, or a custom secure browser - Define how authentication state can dynamically control access to internal enterprise resources while maintaining baseline internet protection - Analyze mobile device management requirements, including supervised device considerations, configuration deployment, and policy enforcement - Document architectural options, tradeoffs, and constraints imposed by Apple platform policies and APIs - Identify integration points with existing security infrastructure, including certificate handling, identity flows, and remote configuration - Define emergency control and fail safe behaviors appropriate for enterprise security environments - Produce a clear set of technical findings, risks, and recommended architecture to guide downstream product development Required Experience - Deep expertise with iOS networking and Apple NetworkExtension framework, especially NEPacketTunnelProvider - Proven experience designing or implementing VPN or secure network routing solutions on iOS - Strong understanding of per app VPN, managed app configuration, and mobile device management frameworks - Experience integrating authentication and identity systems with mobile networking behavior - Familiarity with enterprise security concepts such as zero trust access, secure web gateways, or secure access service edge models - Ability to translate complex platform constraints into clear architectural guidance - Experience producing technical discovery reports, architecture documents, and feasibility assessments Preferred Experience - Background in secure browser technologies or enterprise mobility security - Experience working with OpenVPN or other VPN protocol integrations within mobile platforms - Familiarity with Apple enterprise deployment programs and app extension distribution models Engagement Deliverables - Platform capability assessment and constraints summary - Recommended high level architecture for iOS - Key technical risks and mitigation strategies - Decision framework for browser strategy, VPN model, and device management dependencies - Implementation readiness guidance for engineering teams Compensation - $90.00 - $120.00 USD per hour - Base compensation will be determined based on a variety of factors including skills, education, certifications, and overall experience for this role. Inclusivity without exception | At Mindgrub we value and encourage mutual respect and acceptance. We know we all have something to contribute. We work every day to ensure all are welcome, and that we treat all people with fairness and dignity. No phone calls or recruiters, please. #LI-Remote