Senior React Native Developer

🏢 Summary: Hands-on Technical Lead role focused on architecting, scaling, and optimizing React Native mobile applications supporting real-time logistics workflows. The position combines technical leadership with active development, ensuring performance, reliability, and seamless integration with backend systems in production environments. It involves setting engineering standards, improving CI/CD processes, and mentoring mobile engineers. 🗂️ Requirements: 8+ years professional software engineering experience, Significant hands-on mobile development experience, 2+ years in technical leadership or team lead role, Strong experience building and scaling React Native applications in production, Solid understanding of iOS and Android platforms, Proficiency in React Native and TypeScript, Experience designing and consuming RESTful APIs, Experience with real-time service integrations, Ability to ensure application performance, quality, and stability, Polish B2+ and English B2+ 📃 Skills: React, ReactNative, TypeScript, iOS, Android, REST, APIs, CI/CD, Git, Mobile, JavaScript 🏢 Description: Overview Technical Lead, Mobile Engineering is a hands-on technical leadership role responsible for shaping and scaling OneRail’s mobile application ecosystem that powers real-time last mile orchestration, driver workflows, and enterprise delivery visibility. This role exists to ensure our mobile solutions are reliable, performant, and resilient in real-world logistics environments where connectivity may fluctuate and operational precision is critical. Responsibilities Own and evolve the architecture of OneRail’s mobile applications built in React Native with native iOS and Android integrations. Lead the design and implementation of scalable, high-performance mobile solutions supporting real-time logistics workflows. Partner closely with Product and Design teams to translate business requirements into intuitive, reliable mobile experiences for drivers and operational users. Ensure application performance, responsiveness, quality, and stability in production environments. Establish and enforce engineering standards for code quality, testing, observability, security, and CI/CD pipelines. Conduct and contribute to regular code reviews to maintain high engineering standards. Build and maintain reusable software components, shared libraries, and mobile infrastructure that integrate with backend. Analyze, benchmark, and optimize mobile applications for performance, scalability, and efficiency. Balance feature development with technical debt reduction and long-term platform sustainability. Improve developer experience through tooling enhancements, workflow automation, and release process optimization. Mentor and develop mobile engineers, supporting skill growth and career progression. Support hiring, onboarding, and retention of top mobile engineering talent. Qualifications 8+ years of professional software engineering experience, including significant hands-on mobile development. 2+ years of experience in technical leadership or team lead capacity. Strong experience building and scaling React Native applications in production environments. Solid understanding of native mobile platforms (iOS and Android) and their integration with cross-platform frameworks. Proficiency in React Native, TypeScript Experience designing and consuming RESTful APIs and real-time service integrations. Strong problem-solving skills with the ability to balance business priorities and technical excellence. Excellent communication and collaboration skills (Polish B2+ & English B2+) Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week). Salary level: 28 000 – 32 000 PLN/ month

🏢 Summary: Hands-on Technical Lead role focused on architecting and scaling React Native mobile applications supporting real-time logistics workflows. The position combines technical leadership with active mobile development, ensuring high performance, reliability, and seamless integration with backend systems. It involves setting engineering standards, optimizing CI/CD processes, and mentoring mobile engineers in a production environment. 🗂️ Requirements: 8+ years of professional software engineering experience, 2+ years of technical leadership experience, Strong experience with React Native in production, Experience with native iOS and Android integrations, Proficiency in TypeScript, Experience designing and consuming RESTful APIs, Experience with real-time service integrations, Ability to ensure code quality, testing, and CI/CD standards, Polish B2+, English B2+ 📃 Skills: React, ReactNative, TypeScript, iOS, Android, REST, CI/CD, Git, APIs 🏢 Description: Overview Technical Lead, Mobile Engineering is a hands-on technical leadership role responsible for shaping and scaling OneRail’s mobile application ecosystem that powers real-time last mile orchestration, driver workflows, and enterprise delivery visibility. This role exists to ensure our mobile solutions are reliable, performant, and resilient in real-world logistics environments where connectivity may fluctuate and operational precision is critical. Responsibilities Own and evolve the architecture of OneRail’s mobile applications built in React Native with native iOS and Android integrations. Lead the design and implementation of scalable, high-performance mobile solutions supporting real-time logistics workflows. Partner closely with Product and Design teams to translate business requirements into intuitive, reliable mobile experiences for drivers and operational users. Ensure application performance, responsiveness, quality, and stability in production environments. Establish and enforce engineering standards for code quality, testing, observability, security, and CI/CD pipelines. Conduct and contribute to regular code reviews to maintain high engineering standards. Build and maintain reusable software components, shared libraries, and mobile infrastructure that integrate with backend. Analyze, benchmark, and optimize mobile applications for performance, scalability, and efficiency. Balance feature development with technical debt reduction and long-term platform sustainability. Improve developer experience through tooling enhancements, workflow automation, and release process optimization. Mentor and develop mobile engineers, supporting skill growth and career progression. Support hiring, onboarding, and retention of top mobile engineering talent. Qualifications 8+ years of professional software engineering experience, including significant hands-on mobile development. 2+ years of experience in technical leadership or team lead capacity. Strong experience building and scaling React Native applications in production environments. Solid understanding of native mobile platforms (iOS and Android) and their integration with cross-platform frameworks. Proficiency in React Native, TypeScript Experience designing and consuming RESTful APIs and real-time service integrations. Strong problem-solving skills with the ability to balance business priorities and technical excellence. Excellent communication and collaboration skills (Polish B2+ & English B2+) Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week). Salary level: 28 000 – 32 000 PLN/ month

🏢 Summary: Hands-on Technical Lead role responsible for architecting and scaling React Native mobile applications that support real-time logistics workflows and enterprise delivery visibility. The position combines technical leadership with active mobile development, focusing on performance, reliability, and resilient solutions in production environments. It includes ownership of mobile architecture, engineering standards, and CI/CD practices. 🗂️ Requirements: 8+ years of professional software engineering experience, 2+ years of technical leadership experience, Strong experience with React Native in production, Experience with native iOS and Android integration, Proficiency in TypeScript, Experience designing and consuming RESTful APIs, Experience with real-time service integrations, Ability to establish and enforce CI/CD practices, English B2+, Polish B2+ 📃 Skills: ReactNative, TypeScript, iOS, Android, REST, CI/CD, JavaScript, APIs 🏢 Description: Overview Technical Lead, Mobile Engineering is a hands-on technical leadership role responsible for shaping and scaling OneRail’s mobile application ecosystem that powers real-time last mile orchestration, driver workflows, and enterprise delivery visibility. This role exists to ensure our mobile solutions are reliable, performant, and resilient in real-world logistics environments where connectivity may fluctuate and operational precision is critical. Responsibilities Own and evolve the architecture of OneRail’s mobile applications built in React Native with native iOS and Android integrations. Lead the design and implementation of scalable, high-performance mobile solutions supporting real-time logistics workflows. Partner closely with Product and Design teams to translate business requirements into intuitive, reliable mobile experiences for drivers and operational users. Ensure application performance, responsiveness, quality, and stability in production environments. Establish and enforce engineering standards for code quality, testing, observability, security, and CI/CD pipelines. Conduct and contribute to regular code reviews to maintain high engineering standards. Build and maintain reusable software components, shared libraries, and mobile infrastructure that integrate with backend. Analyze, benchmark, and optimize mobile applications for performance, scalability, and efficiency. Balance feature development with technical debt reduction and long-term platform sustainability. Improve developer experience through tooling enhancements, workflow automation, and release process optimization. Mentor and develop mobile engineers, supporting skill growth and career progression. Support hiring, onboarding, and retention of top mobile engineering talent. Qualifications 8+ years of professional software engineering experience, including significant hands-on mobile development. 2+ years of experience in technical leadership or team lead capacity. Strong experience building and scaling React Native applications in production environments. Solid understanding of native mobile platforms (iOS and Android) and their integration with cross-platform frameworks. Proficiency in React Native, TypeScript Experience designing and consuming RESTful APIs and real-time service integrations. Strong problem-solving skills with the ability to balance business priorities and technical excellence. Excellent communication and collaboration skills (Polish B2+ & English B2+) Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week). Salary level: 28 000 – 32 000 PLN/ month

🏢 Summary: Hands-on Technical Lead role focused on architecting and scaling production React Native mobile applications used in real-time logistics operations. You will lead mobile development, ensure high performance and reliability in low-connectivity environments, and mentor a small engineering team. The position combines technical leadership with active coding and close collaboration with Product and Design. 🗂️ Requirements: 8+ years of software engineering experience, Strong mobile development background, 2+ years in Technical Lead or Team Lead role, Expertise in React Native, Proficiency in TypeScript, Understanding of native iOS integrations, Understanding of native Android integrations, Experience with RESTful APIs, Experience with real-time data integrations, Polish language proficiency (B2+), English language proficiency (B2+) 📃 Skills: React, ReactNative, TypeScript, iOS, Android, REST, APIs, CI/CD 🏢 Description: Ever wondered what powers the tech behind massive, real-time delivery networks? Our client is a fast-growing, US-based LogTech pioneer reshaping last-mile delivery. Their platform combines SaaS solutions with real-world logistics networks to optimize supply chain efficiency for global enterprise customers. Now, they are expanding their engineering presence in Kraków . About the Role This is a hands-on technical leadership role. You will own the architecture and development of React Native mobile apps used by drivers and operations teams. Since these apps are used on the move, your main goal will be to keep them fast, reliable, and stable—even with poor network connectivity. What you will do Design and scale the architecture of production React Native applications. Write clean code and deliver new features alongside the team. Mentor and guide a small team of mobile engineers. Set high standards for code quality, testing, security, and CI/CD pipelines. Work closely with Product and Design teams to build user-friendly mobile features. Requirements 8+ years of software engineering experience, with a heavy focus on mobile development. 2+ years of experience in a Technical Lead or Team Lead role. Strong expertise in React Native and TypeScript . Good understanding of native iOS and Android integrations. Experience working with RESTful APIs and real-time data integrations. Strong communication skills with Polish (B2+) and English (B2+) . If you are a hands-on leader ready to build reliable, real-world mobile tech, we want to hear from you. Send us your CV and let’s talk! 📞

🏢 Summary: The role involves building and scaling a high-performance React Native mobile application integrated with an existing web customer portal. The developer will own the mobile architecture, ensuring scalable navigation, state management, networking, and seamless backend API integration for iOS and Android. The position includes end-to-end feature delivery, performance optimization, and establishing mobile development best practices. 🗂️ Requirements: 5–8+ years of Frontend or Mobile development experience, 3+ years of production experience with React Native on iOS and Android, Strong proficiency in JavaScript, Strong proficiency in TypeScript, Experience with native module integration, Experience with deep-level debugging, Knowledge of mobile performance profiling, Ability to build accessible and responsive mobile UIs, Experience with unit, integration, and e2e testing, Experience with CI/CD workflows, Experience with React Navigation, Experience with state management using React Query, SWR, Redux, or Context 📃 Skills: ReactNative, JavaScript, TypeScript, iOS, Android, ReactNavigation, ReactQuery, SWR, Redux, Context, Jest, RTL, CI/CD, APIs 🏢 Description: The objective is to build and scale a React Native mobile application that serves as a high-performance companion to an existing web customer portal. You will own the core mobile experience, architecting scalable solutions for navigation, state management, and networking while ensuring seamless integration with existing backend APIs. This role is ideal for a developer who can deliver end-to-end features and establish mobile best practices within a collaborative team environment. Details Location: Remote, with a preference for candidates based in Wrocław (for quarterly on-site client meetings). Primary Project Language: Polish. Target Platforms: iOS and Android. Responsibilities End-to-End Development: Building mobile features that maintain parity and cohesion with the web customer portal. Architecture: Designing scalable code structures, focusing on efficient navigation, state management, and robust networking. Performance & Reliability: Ensuring high stability, fast UI responsiveness, and implementing offline-tolerant UX where necessary. Technical Leadership: Establishing mobile development standards, mentoring other engineers, and improving release cadence. Collaboration: Working closely with product, design, and backend teams to ensure a unified user experience. Requirements General Seniority: 5–8+ years in Frontend or Mobile development. React Native Mastery: 3+ years of experience shipping and maintaining production React Native apps (iOS + Android). Core Skills: Strong proficiency in JavaScript/TypeScript . Native Modules: Experience with native module integration and deep-level debugging. Optimization: Solid knowledge of mobile performance profiling and building accessible, responsive UIs. Testing & DevOps: Comfort with unit/integration/e2e testing (Jest, RTL) and CI/CD workflows. Navigation: React Navigation. Data & State: React Query / SWR or Redux / Context. Nice to Have Familiarity with both Expo and bare React Native workflows. Experience with push notifications, deep linking, and mobile analytics. Prior experience with B2B, customer self-service, or account management applications.

🏢 Summary: Senior React Native Developer role focused on building and evolving a large-scale, multi-module mobile platform used by millions of users across Europe and North America. The position involves driving architectural decisions, developing complex mobile applications in React Native and TypeScript, and mentoring engineers while ensuring high performance and scalability. You will collaborate cross-functionally and contribute to CI/CD, native integrations, and continuous technical improvements. 🗂️ Requirements: 5+ years commercial software development experience, 4+ years experience with React Native, Experience building and maintaining large-scale mobile applications, Strong knowledge of TypeScript and modern JavaScript, Experience with React Hooks, Understanding of modular and multi-module architecture, Experience with MobX, Experience with React Query (TanStack Query), Knowledge of native mobile development concepts for iOS and Android, Experience integrating REST APIs, Experience with GraphQL, Experience with form management solutions, English proficiency at B2 level or higher, Polish proficiency at B2 level or higher, Residence in Poland 📃 Skills: React, ReactNative, TypeScript, JavaScript, MobX, ReactQuery, TanStackQuery, iOS, Android, REST, GraphQL, CI/CD, Firebase 🏢 Description: Join one of Europe's largest mobile platforms, delivering digital services used by millions of users across multiple countries in Europe and North America. Built on a multi-module architecture, the platform enables rapid product development, high code reusability, and continuous expansion into new business areas. As a Senior React Native Developer, you will play a key role in shaping the architecture of a big mobile ecosystem, driving technical decisions, mentoring other engineers, and delivering high-quality solutions at scale. Your tasks Design, develop, and maintain complex mobile applications using React Native and TypeScript Drive architectural decisions and contribute to the evolution of our multi-module platform Lead technical discussions and participate in solution design Review code, mentor team members, and promote engineering best practices Collaborate closely with Product Owners, UX Designers, Backend Engineers, QA Engineers, and Architects Improve application performance, reliability, scalability, and maintainability Contribute to CI/CD processes and development tooling Support the integration of native mobile capabilities and third-party services Identify technical debt and proactively drive improvements across the codebase Requirements At least 5 years of commercial software development experience, including at least 4 years with React Native Proven track record of building and maintaining large-scale mobile applications Strong expertise in TypeScript, modern JavaScript, and React Hooks Solid understanding of modular and multi-module application architecture Hands-on experience with MobX and React Query (TanStack Query) Knowledge of native mobile development concepts and creating native modules for iOS and Android Practical experience with REST APIs, GraphQL, and form management solutions English and Polish proficiency at the B2 level or higher Residing in Poland required Nice-to-have requirements Payment integrations and mobile wallet solutions Geolocation and location-based services Firebase services and analytics Mobile security best practices Observability and monitoring tools Background in large-scale international products Agile delivery experience (Scrum/Kanban) 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!

🏢 Summary: Build and shape a new cross-platform mobile product from scratch using React Native and TypeScript, driving architecture and delivering high-quality iOS and Android apps. The role covers full-stack mobile development, core modules, performance optimization, and robust build and release processes in a high-impact team. You will set technical direction and ensure scalable, maintainable, and production-ready mobile solutions. 🗂️ Requirements: Proven experience building production mobile apps, Deep expertise in ReactNative and TypeScript, Strong knowledge of mobile architecture, Experience with mobile build pipelines, Experience with performance optimization, Experience with CI/CD pipelines, Experience with automated testing and releases, Fluent Danish, Onsite availability for 3-6 months 📃 Skills: ReactNative, TypeScript, iOS, Android, CICD, Automation, Testing, Architecture, Performance, Telemetry, Observability, AppStore, OTA, Git 🏢 Description: About the Role You’ll join a small, high-impact team that’s building a product from the ground up. No legacy code, no bureaucracy, just the freedom to make something outstanding. You’ll work across the full stack of the app: core platform, shared architecture, reusable components, and the product modules themselves. One week you’re defining the long-term module system, the next you’re optimizing a critical feature that 100,000 users use every day. You’ll work closely with product, design, and backend teams, make big technical calls, set the engineering bar, and ship polished, truly native experiences on iOS and Android. Key Responsibilities Drive architectural and technical direction for the product, built with React Native and TypeScript. Build core features, shared modules, and reusable components supporting multiple product domains. Ensure top-tier performance, scalability, and maintainability through modern patterns and tooling. Contribute to the mobile design system and ensure a consistent, accessible user experience across all modules. Collaborate across teams to review code, share insights, and improve engineering practices. Provide guidance and mentorship where your expertise adds real leverage. Maintain strong build, release, and testing processes, including automation, OTA updates, and app store deployment. Support broader engineering initiatives such as CI/CD improvements, telemetry, observability, and cross-platform consistency. What We’re Looking For Proven experience building and maintaining production mobile apps. Deep expertise in React Native, TypeScript, and mobile architecture. Strong understanding of performance, platform differences, and mobile build pipelines. Pragmatic problem-solver with strong collaboration and communication skills. Passion for technical craftsmanship and mentoring others. Practical info Fluent in Danish Onsite Duration: 3-6 months

🏢 Summary: Mid+/Senior Mobile Developer role focused on building and maintaining a complex React Native application for Android and iOS. The position involves delivering high-performance, user-centric mobile solutions with features like geolocation, EV charging integration, and CarPlay support. You will collaborate cross-functionally to ensure code quality, stability, and scalable mobile architecture. 🗂️ Requirements: 4+ years commercial mobile development experience, Expert knowledge of React Native, Strong JavaScript proficiency, Strong TypeScript proficiency, Experience with REST or GraphQL APIs, Deep understanding of mobile build and release processes, Experience publishing to App Store or Google Play, Knowledge of mobile testing practices, Ability to design mobile application architecture 📃 Skills: ReactNative, JavaScript, TypeScript, REST, GraphQL, Android, iOS, Kotlin, Java, Swift, CICD, CarPlay, Geolocation, AppStore, GooglePlay 🏢 Description: Tech stack: React Native mobile ecosystem JavaScript TypeScript REST/GraphQL Requirements: 4+ years of commercial experience in mobile development (Android and/or iOS). Expert-level knowledge of React Native . A "mobile-first" mindset with experience in building complex mobile applications. Deep understanding of the mobile ecosystem (build processes, testing, and store publication). Strong proficiency in JavaScript and TypeScript . Experience integrating with APIs ( REST / GraphQL ). Strong problem-solving skills and the ability to work effectively both independently and in a team. About the Role: We are looking for an experienced Mobile Developer (Mid+ or Senior level) with at least 4 years of commercial experience in building mobile applications for Android and/or iOS. The ideal candidate is a mobile-first specialist—we are looking for someone whose expertise is rooted deeply in the mobile ecosystem rather than web development. You should have a strong command of React Native and a passion for creating high-performance, user-centric mobile experiences. The Project: You will join a project for a major international corporation in the energy and chemical sector . We are developing a modern mobile application for B2B and B2C users that manages fuel cards, loyalty programs, and exclusive discounts. The app has a real-world impact on the daily lives of drivers, supporting them on the road and through charging infrastructure. Key features include: User Management: Smooth B2B and B2C registration and login. Benefits: Fuel card management, loyalty rewards, and discount tracking. Maps & Geolocation: Searching for stations and points of interest. E-Mobility: Starting/stopping EV charging sessions directly from the app with real-time (live) status tracking. Advanced Features: CarPlay integration (MVP) and dynamic widgets for quick access to key information. Main responsibilities: Developing and maintaining mobile applications using React Native . Collaborating closely with the Product Team, Backend Developers, and UX/UI Designers. Ensuring high code quality, application performance, and stability. Actively participating in product roadmapping and technical decision-making. Conducting code reviews and sharing knowledge with the team Nice to Have Experience with native development : Kotlin/Java (Android) or Swift (iOS). Hands-on experience with native deployment (Google Play Store / App Store, certificates, provisioning, signing). Knowledge of CI/CD pipelines tailored for mobile apps. Experience in mobile performance optimization. Background in designing mobile application architecture.

🏢 Summary: Technical leadership role focused on evolving and scaling a modular Java/Jakarta EE car-sharing platform, bridging engineering and company leadership. The position combines hands-on backend development, cloud infrastructure ownership, architecture decisions, and CI/CD optimization with team mentoring and operational responsibility. You will drive infrastructure improvements, security initiatives, and technical debt reduction while ensuring high availability and quality standards. 🗂️ Requirements: Several years of backend development experience with Java (Jakarta EE / Java EE / Spring) in production, Strong experience with Test-Driven Development (TDD), Proven experience as Tech Lead or Senior Engineer with team responsibility, Solid understanding of cloud infrastructure, ideally AWS (EC2, ECS, CloudWatch, S3), Experience with MongoDB or comparable NoSQL databases in production, Experience with CI/CD pipelines (GitLab CI, GitHub Actions, or similar), Ability to take ownership and deliver value independently 📃 Skills: Java, JakartaEE, Spring, AWS, EC2, ECS, CloudWatch, S3, MongoDB, NoSQL, GitLabCI, GitHubActions, TDD, Terraform, CloudFormation, React, ReactNative, Sentry, Crashlytics 🏢 Description: About Us We develop and operate an end-to-end platform for car sharing and vehicle rental, currently used by customers in Germany, Austria, and Spain. The platform is fully white-label capable and includes mobile apps, web applications, back-office tools, and integrations with telematics hardware, payment service providers, and KYC providers — all from a single, modular codebase. The backend is based on Java 17 / Jakarta EE 10 Payara , while the frontend is built with React / React Native . We are currently in a strategic growth phase and are now looking for an experienced technical leader to help shape the next stage of our development. The Role As Tech Lead , you will take on a central bridging role between Engineering and company leadership. You will work closely with the CTO, support them operationally, and ensure that the platform keeps pace with the company’s growth — both technically and organisationally. This position is designed for someone who can dive deep into the code while also keeping the bigger picture in mind. You are not afraid of a mature system with history — you see it as an opportunity. Technical Leadership & Architecture Further development and maintenance of the modular Java / Jakarta EE platform, including shared responsibility for architectural decisions Implementation of the identified infrastructure improvements: IaC Terraform / CloudFormation, multi-region setup, and disaster recovery plan Responsibility for implementing outstanding security measures Driving the migration of binary data from MongoDB to S3, as well as further technical debt reduction projects Evaluation and further development of the CI/CD pipelines GitLab CI and test coverage Processes & Team Organization Establishment of formal code review processes and consistent planning cycles within the development team Close collaboration with the CTO on the gradual handover of engineering and operational responsibilities Support in building a product management process aligned with customer requirements Mentoring of the junior frontend developer and support for the senior engineers Operations & Quality Shared responsibility for monitoring, alerting, and incident response AWS CloudWatch, Sentry, Crashlytics Automation of dependency vulnerability scanning within the CI pipeline Technical support for customer projects — from onboarding through to troubleshooting Must-Have Several years of experience in backend development with Java — Jakarta EE / Java EE / Spring — in production systems Strong experience with Test-Driven Development (TDD), as well as a strong quality mindset and interest in software craftsmanship Proven experience as a Tech Lead or Senior Engineer with team responsibility Solid understanding of cloud infrastructure, ideally AWS — EC2, ECS, CloudWatch, S3 Experience with MongoDB or comparable NoSQL databases in production environments Familiarity with CI/CD pipelines — GitLab CI, GitHub Actions, or similar — and modern deployment practices Hands-on mentality: you can deliver value immediately without requiring months of onboarding Nice-to-Have Knowledge of Infrastructure as Code — Terraform or CloudFormation Experience with React and/or React Native on the frontend Understanding of the mobility, car-sharing, or vehicle rental domains Experience in regulated environments or with GDPR compliance projects Knowledge of telematics hardware integrations or IoT-related systems Class B driving licence What We Offer One of the most technically impressive small platforms in the German mobility landscape — with real responsibility from day one Short decision-making paths and a high degree of freedom to shape things A well-established team with 5–10 years of shared platform history A modern tech stack: Java 17, Jakarta EE 10, React, React Native, GitLab CI/CD — without legacy burden 99.9% uptime — efficiency here is not an ambition, but a reality Hybrid working with an office in Berlin and flexible working hours Competitive salary, depending on experience and qualifications Active involvement in the strategic development of the company How to Apply We look forward to receiving your application — preferably including a short cover note, your CV, and, where relevant, references or GitHub projects. A formal cover letter is not required; we value genuine interest and technical depth more than formalities.

🏢 Summary: Android Technical Lead role focused on leading technical initiatives, designing scalable mobile solutions, and contributing hands-on to architecture and development across Android Kiosk products. The position involves collaboration with Product, QA, and Design teams, mentoring engineers, improving engineering practices, and supporting high-quality delivery and release processes. The offer includes flexible work options, extensive learning resources, certification reimbursement, and comprehensive health and wellness benefits. 🗂️ Requirements: 7+ years of commercial software engineering experience, Strong knowledge of software architecture, Experience with scalable systems, Knowledge of design patterns, Experience with Kotlin, Experience with Java, Experience with JavaScript, Experience with cloud platforms, Understanding of API integrations, Experience with distributed systems, Experience leading technical initiatives, Experience leading complex development projects, Hands-on experience with automated testing, Ability to mentor engineers, Strong cross-functional communication skills 📃 Skills: Kotlin, Java, JavaScript, AWS, Azure, GCP, Android, CI/CD, DevOps, Dagger, Retrofit, Jetpack, XML, Agile 🏢 Description: Project overview We are looking for an Android Technical Lead to join the team. The role combines hands-on technical leadership with active participation in architecture, development, and delivery processes. The engineer will work closely with Product, QA, and Design teams to transform business requirements into scalable and reliable technical solutions. This position involves ownership of technical direction, contribution to long-term engineering strategy, and support of high-quality delivery standards across the product area. The role also includes mentoring team members, improving engineering processes, supporting release activities, and driving best practices around code quality, testing, and maintainability. Responsibilities Lead technical initiatives within the Android Kiosk domain Participate in full-stack application development, from backend integrations to UI implementation Design scalable and maintainable software solutions Contribute to architectural and technology decisions Promote engineering best practices, coding standards, and technical documentation Collaborate with QA on automated testing strategy and overall product quality Support and mentor engineers within the team Work closely with Product Managers and stakeholders to clarify and refine requirements Identify and address performance issues and technical debt Research and introduce new tools, frameworks, and engineering approaches where appropriate Participate in release planning and support critical production releases Represent the engineering team in cross-functional discussions Requirements 7+ years of commercial software engineering experience Strong knowledge of software architecture, scalable systems, and design patterns Solid experience with Kotlin (preferred), Java, and JavaScript Experience working with cloud platforms such as AWS, Azure, or GCP Good understanding of API integrations and distributed systems Experience leading technical initiatives and complex development projects Strong communication skills and ability to collaborate across multiple disciplines Hands-on experience with automated testing practices and quality engineering Ability to provide technical guidance and mentor other engineers Nice to have Experience with CI/CD pipelines and modern DevOps practices Familiarity with hardware integrations and peripheral device communication (scanners, printers, sensors, USB devices) Knowledge of observability, monitoring, and logging solutions Experience with database design and query optimization Understanding of mobile performance optimization and security best practices Experience with Android XML and Jetpack Compose UI systems Familiarity with Dagger, Retrofit, and related Android frameworks Experience working in Agile development environments What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)