Mobile Engineer with native iOS and some Android (Swift and Kotlin)

🏢 Summary: Long-term remote contract for an experienced Native Mobile Developer working with SwiftUI and Kotlin, starting October 1, 2026. The role requires a minimum 4 days per week commitment with occasional onsite presence in Hamburg. The offer includes a B2B contract with competitive hourly rate and collaboration in an international environment. 🗂️ Requirements: Practical experience with SwiftUI, Practical experience with Kotlin, Minimum 4 working days per week availability, German language proficiency at minimum B2 level, English language proficiency at B2/C1 level, Availability for occasional onsite meetings in Hamburg 📃 Skills: SwiftUI, Kotlin, iOS, Android 🏢 Description: Join a long-term enterprise development team as a Senior Native Mobile Engineer to build, scale, and optimize core mobile applications. This role requires an engineer capable of working cross-platform across native environments using SwiftUI for iOS and Kotlin for Android. You will play a central role in delivering smooth user experiences, maintaining high code quality, and aligning directly with team leads and client stakeholders based in Germany. Details Start Date: October 1, 2026. Duration: Long-term project (contracts renewed in stable 3-month cycles). Allocation: 0.75 FTE / 1 FTE Rate: 160-200 PLN net / hour. Work Model: 100% Remote (with occasional meetings on-site at the client’s office in Hamburg). Language Requirement: German at a minimum B2 level (C1 preferred) for daily engineering and business communication. Responsibilities Native Development: Design, build, and maintain robust native mobile applications using SwiftUI (iOS) and Kotlin (Android). Clean Architecture: Write clean, modular, and easily testable code while implementing modern mobile architecture patterns (e.g., MVVM, MVI). API Integration: Connect mobile frontends with secure backend RESTful APIs and real-time data streams. UI/UX Excellence: Implement fluid animations, responsive layouts, and modern components according to design specifications. Performance Tuning: Monitor, debug, and optimize application rendering speeds, memory usage, and battery consumption profiles. Requirements Native Platform Mastery: Strong commercial track record in native iOS development ( Swift / SwiftUI ) and native Android development ( Kotlin ). Ecosystem Knowledge: Solid understanding of platform-specific deployment workflows, App Store Connect, and Google Play Console environments. Software Engineering Principles: Experience with Git workflows, automated testing frameworks, and continuous integration (CI/CD) pipelines for mobile. Soft Skills: Highly autonomous mindset, comfortable aligning directly with international clients, and strong team-player capabilities.

🏢 Summary: Senior Mobile Engineer role focused on designing and delivering high-quality, scalable mobile applications for both iOS and Android in an international project. The position involves contributing to architecture decisions, ensuring performance and security, and maintaining code quality through best practices and testing. 🗂️ Requirements: 7+ years of mobile development experience, Strong experience with iOS development using Swift, Strong experience with Android development using Kotlin, Solid understanding of MVVM or Clean Architecture, Experience integrating RESTful APIs, Knowledge of mobile performance, scalability, and security best practices, Experience working with Agile methodologies (Scrum or Kanban) 📃 Skills: Swift, Kotlin, iOS, Android, MVVM, CleanArchitecture, REST, Performance, Scalability, Security, Agile, Scrum, Kanban 🏢 Description: We are looking for a Senior Mobile Engineer with strong experience in both iOS (Swift) and Android (Kotlin) to join an international project focused on building high-quality mobile applications. Main Responsibilities: Design, develop, and maintain mobile applications for both iOS and Android platforms Contribute to the architecture and technical decisions of mobile solutions Build scalable, high-performance, and user-focused applications Collaborate closely with Product Managers, Designers, and other Engineers Ensure code quality through best practices, code reviews, and testing Troubleshoot, debug, and optimize application performance Key Requirements: 7+ years of experience in mobile development Strong hands-on experience with: iOS (Swift) Android (Kotlin) Solid understanding of mobile architectures (e.g., MVVM, Clean Architecture) Experience integrating RESTful APIs Knowledge of mobile performance, scalability, and security best practices Experience with Agile methodologies (Scrum/Kanban) Strong problem-solving skills and attention to detail Good communication skills in English Nice to Have: Experience with cross-platform solutions (e.g., Kotlin Multiplatform, Flutter, React Native) Familiarity with CI/CD pipelines for mobile applications Experience with automated testing (unit/UI) Knowledge of mobile app distribution processes (App Store / Google Play)

🏢 Summary: Remote B2B contract for an Android Software Engineer working on long-term mobile development projects for an international logistics company. The role involves Android/Kotlin development, refactoring, code reviews, mentoring, automated testing, and improving mobile architecture practices. Candidates should have strong experience with modern Android architecture patterns, CI/CD, and complex mobile applications. 🗂️ Requirements: Experience in Android development, Experience in Kotlin, Knowledge of MVVM architecture, Knowledge of Clean Architecture, Knowledge of SOLID principles, Experience in mobile software architecture, Experience in code reviews, Experience mentoring developers, Knowledge of CI/CD, Knowledge of automated testing fundamentals, Understanding of UI/UX principles, Experience in complex mobile projects, Experience in refactoring, Fluent English 📃 Skills: Android, Kotlin, MVVM, CI/CD, SOLID, UI/UX 🏢 Description: We are looking for contractors for the role: Software Engineer (Android), remote Rate: 130 - 155 pln/h (B2B contract via Harvey Nash) Duration:long-term (1st contract ab. 6 months, then extensions) End-clients: international logistics company Process: 2-3 stages Tasks: Mobile software development and design Refactor existing code Participate in code reviews and pair programming sessions Drive improvements within the team Mentor less experienced team members Analyze and understand user requirements and business objectives to effectively guide the development process Creating project documentation Ensure ongoing maintenance and support implement automated tests Requirements: Few years of experience in Android / Kotlin development and design ​​​​​​​Experience in mobile applications design (mobile software architecture knowledge) - knowledge of MVVM, Clean Architecture and SOLID principles Some experience in Senior / Principal / Tech Lead role: conducting code reviews, mentoring, etc. Knowledge of CI/CD and  automation testing fundamentals ​​​​Understanding of UI/UX design principles Experience in complex mobile projects and in refactoring Fluent in English

🏢 Summary: B2B contract for a Senior Android Engineer to develop and maintain high‑impact mobile applications for a leading European media and entertainment provider. The role focuses on building scalable Android solutions for live sports, fan engagement and premium content platforms used by millions of users. It is a 6‑month remote project (with possible extension) starting ASAP. 🗂️ Requirements: Strong experience with Kotlin, Commercial experience with Jetpack Compose, Experience building responsive UIs for phones and tablets, Experience developing and maintaining mobile backend services, Knowledge of SOLID principles and mobile architecture patterns, Experience with Dagger or Hilt for Dependency Injection, Experience with Kotlin Coroutines, Experience with AndroidX Architecture Components, Experience with modular Android development, Experience with Firebase SDKs, Experience with CI/CD pipelines, Experience with observability and performance monitoring, Experience with Unit Testing and UI Testing, Proficiency with Git workflows, Practical experience working in Agile environments 📃 Skills: Kotlin, JetpackCompose, Android, AndroidX, Coroutines, RxJava, Dagger, Hilt, Firebase, Git, CI/CD, UnitTesting, UITesting, SOLID, Agile 🏢 Description: Project details: Role: Senior Android Engineer Duration: 6 months (with the possibility of further extension), Start: ASAP, the kick-off of the project is planned for April 2026, Contract: B2B, Equipment: Laptop provided by the customer, Work mode: 100% remote from Poland. About our customer: Our customer is a rapidly growing international software company that specialises in delivering media and entertainment projects. It is expanding its capabilities in the areas of the Internet of Things (IoT), cloud computing and tailored artificial intelligence (AI) solutions. They collaborate with global organisations to design and implement strategic infrastructures, content workflows, and consumer-facing digital applications. This role will enable you to support their ongoing European expansion while working on a high-impact digital product used by millions. About the project: Project for Large European Media & Entertainment Provider. You will work on behalf of the customer for one of Europe's leading media and entertainment companies, an organisation known for delivering premium content, live sports, award-winning news and innovative digital products to millions of users. The client operates in a fast-paced, innovation-driven environment and is continuously evolving its digital experiences across mobile, streaming and interactive platforms. Their teams are recognised for developing cutting-edge technology solutions that prioritise customer experience and large-scale impact. Your work will focus on mobile applications related to: Live sports experiences, Fan engagement features, Premium news and content experiences. Required Skills: Strong expertise in Kotlin and Jetpack Compose, Experience building responsive UIs for phones and tablets, Experience creating and maintaining mobile backend services, Solid understanding of SOLID principles and mobile architecture patterns, Dagger/Hilt for Dependency Injection, Kotlin Coroutines (must‑have); RxJava (nice‑to‑have), AndroidX Architecture Components, Experience with modular Android app development, Familiarity with Firebase SDKs, Experience with CI/CD pipelines , observability and performance monitoring, Strong background in Unit Testing and UI Testing, Excellent Git workflows, branching and commit practices, Practical understanding of Agile principles, ceremonies, planning and estimating. Responsibilities: Lead the development and maintenance of high‑quality Android applications serving millions of users, Implement scalable features using modern Android best practices and clean architecture, Collaborate with designers, backend developers and product owners across both the consultancy and the end client, Ensure performance, reliability and exceptional user experience across diverse Android devices, Participate in architectural decision-making and contribute to platform‑wide best practices, Maintain strong test coverage and contribute to continuous integration and delivery pipelines, Contribute to monitoring, observability and performance improvements, Coach and support other engineers when needed.

🏢 Summary: B2B contract for a Senior Android Developer to design and develop a mobile banking application for Android in a fully remote model. The role focuses on building new features, integrating internal and external APIs, ensuring high code quality, security, and performance, and supporting CI/CD and release processes. The position involves active contribution to architectural decisions and product development. 🗂️ Requirements: Minimum 6 years of Android development experience, Experience in at least two commercial Android projects, Strong experience with REST API integration, Practical knowledge of Android Studio and Android SDK, Experience building UI with Jetpack Compose, Knowledge of MVVM, MVI or Clean Architecture, Experience publishing apps to Google Play Store, Experience with CI/CD pipelines, Knowledge of Android application security practices, Experience with Android Keystore and EncryptedSharedPreferences, Upper-intermediate (B2) English level 📃 Skills: Kotlin, Android, REST, AndroidStudio, AndroidSDK, JetpackCompose, MVVM, MVI, CleanArchitecture, CI/CD, GitLabCI, GitHubActions, Bitrise, AndroidKeystore, EncryptedSharedPreferences, GooglePlay 🏢 Description: Dla klienta z branży usług finansowych poszukujemy Senior Android Developera! Stawka: 110-120 zł/h netto+VAT B2B Praca 100% zdalna ZADANIA projektowanie i implementacja aplikacji mobilnej dla Android współpraca z zespołem w celu definiowania i tworzenia nowych funkcjonalności integracje wewnętrznego i zewnętrznego API (m.in. weryfikacja tożsamości, operacje płatnicze) realizacja i wsparcie testów kodu, wydajności, doświadczenia użytkownika usuwanie błędów, poprawa jakości i dbanie o najlepsze praktyki inżynierii oprogramowania aktywny udział w rozwoju zarówno pod względem technologicznym jak i produktowym WYMAGANIA 6-letnie doświadczenie w programowaniu dla Android (preferowany Kotlin) z potwierdzoną realizacją min. dwóch komercyjnych projektów, doświadczenie w tworzeniu aplikacji wykorzystujących REST API, praktyczna znajomość Android Studio, Android SDK oraz tworzenie interfejsów użytkownika w Jetpack Compose, dobra znajomość zagadnień związanych z inżynierią oprogramowania, w tym architektur rozproszonych, wzorców projektowych i podejść do projektowania aplikacji (np.: MVVM, MVI, Clean Architecture), a także projektowania i integracji z API,), doświadczenie w publikowaniu aplikacji w Google Play, w tym znajomość procesów CI/CD (np. GitLab CI, GitHub Actions, Bitrise), Znajomość dobrych praktyk bezpieczeństwa aplikacji na Androida, obejmujących m.in. ochronę danych użytkownika, bezpieczne przechowywanie informacji (Android Keystore, EncryptedSharedPreferences) oraz przeciwdziałanie atakom (np. reverse engineering, root detection). dbałość o jakość kodu i dokumentacji – pisanie czytelnego, testowalnego kodu zgodnie z dobrymi praktykami inżynierskimi oraz utrzymywanie aktualnej dokumentacji ułatwiającej pracę zespołu, doświadczenie związane z publikowaniem aplikacji w Google Play Store dobra znajomość angielskiego (minimum na poziomie B2) umożliwiająca współpracę z zespołami międzynarodowymi MILE WIDZIANE CO OFERUJEMY NA TYM PROJEKCIE? Współpracę w oparciu o umowę B2B i stawkę: 110-120 zł/h netto+VAT B2B Pracę 100% zdalną Wsparcie dedykowanego opiekuna. Po dołączeniu do speedapp, otrzymasz kontakt do dedykowanego opiekuna, który zadba, aby współpraca z nami oraz z klientem sprawiała Ci satysfakcję. Wydarzenia oraz spotkania integracyjne, a także udział w różnych inicjatywach np. sportowych. Dostęp do oferty benefitów (opieka medyczna, ubezpieczenie na życie, karta Multisport). JAK WYGLĄDA REKRUTACJA? Zgłoszenie : Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening : Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu . Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland. MASZ PYTANIA? Skontaktuj się bezpośrednio z rekruterem odpowiedzialnym za ten proces. Iga Olszewska-Magnowska Senior IT Delivery Consultant iga.olszewska@speedapp.pl

🏢 Summary: Senior React Native Developer for an AI-first mobile education platform in the MedTech sector, responsible for leading mobile development and building the application from scratch. The role involves integrating React Native frontend with existing APIs and ensuring high technical standards in a fully remote B2B collaboration. The project focuses on delivering AI-powered, personalized training solutions for healthcare professionals. 🗂️ Requirements: Minimum 7 years of commercial experience in React Native, Experience with Expo, Ability to build mobile applications from scratch, Experience integrating React Native frontend with existing APIs, Strong knowledge of best practices in mobile development, Ability to identify risks and propose technical solutions proactively, English proficiency at minimum B2+ level, Experience in direct client collaboration 📃 Skills: React, ReactNative, Expo, JavaScript, TypeScript, API, AI 🏢 Description: Poszukujemy kandydata bardzo samodzielnego, o wysokich kompetencjach technicznych, gotowego do przejęcia odpowiedzialności za rozwój mobilny w ambitnym projekcie z obszaru MedTech. ZADANIA Praca przy nowoczesnej platformie edukacyjnej typu „AI-First”, zaprojektowanej specjalnie dla sektora ochrony zdrowia. Jej głównym celem jest zapewnienie le stałego dostępu do personalizowanych szkoleń (opartych na AI) w dowolnym miejscu i czasie, co znacząco przyspiesza proces onboardingu w placówkach medycznych. WYMAGANIA Minimum 7 lat doświadczenia komercyjnego w React Native (w tym doświadczenia w Expo). Umiejętność wdrażania najlepszych praktyk, które będą punktem odniesienia dla reszty zespołu. Szukamy osoby, która wyprzedza problemy, identyfikuje ryzyka i proponuje rozwiązania, zanim staną się one przeszkodą. Język angielski na poziomie min. B2+ (w mowie i piśmie) – niezbędny do codziennej współpracy z klientem i zespołem. Umiejętność budowania aplikacji od zera oraz sprawna integracja frontendu (React Native) z istniejącymi API. Świetna organizacja pracy, samozarządzanie i postawa „I can learn this”. Doświadczenie w bezpośredniej współpracy z klientem (mile widziane doświadczenie we współpracy z klientami ze Stanów). MILE WIDZIANE Doświadczenie lub silne zainteresowanie obszarem HealthTech. Wykorzystywanie narzędzi AI w codziennej pracy w celu optymalizacji własnej efektywności. CO OFERUJEMY NA TYM PROJEKCIE? Współpracę w oparciu o umowę B2B i stawkę: do około 150/h Pracę 100% zdalną. Wsparcie dedykowanego opiekuna. Po dołączeniu do speedapp, otrzymasz kontakt do dedykowanego opiekuna, który zadba, aby współpraca z nami oraz z klientem sprawiała Ci satysfakcję. Wydarzenia oraz spotkania integracyjne, a także udział w różnych inicjatywach np. sportowych. Dostęp do oferty benefitów (opieka medyczna, ubezpieczenie na życie, karta Multisport). JAK WYGLĄDA REKRUTACJA? Zgłoszenie : Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening : Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu . Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland. MASZ PYTANIA? Skontaktuj się bezpośrednio z rekruterem odpowiedzialnym za ten proces. Katarzyna Osypiuk IT Delivery Consultant katarzyna.osypiuk@speedapp.pl

🏢 Summary: 6-month B2B contract for a developer to enhance and maintain a global Sales ecosystem tool in the automotive industry. The role focuses on building UI modules and APIs, sharing vehicle configuration data, and working in an Agile, collaborative environment. 100% remote work on an English-speaking project. 🗂️ Requirements: Hands-on experience with TypeScript, .NET development experience, Proficiency in Angular, Familiarity with React.js, Experience with AWS services (Lambda, API Gateway), Ability to write modern, testable, high-quality code 📃 Skills: TypeScript, .NET, Angular, React, AWS, Lambda, APIGateway 🏢 Description: PROJECT INFORMATION: Industry : Manufacturing/Automotive Remote work: 100% Project language : English Contract length: 6-month contracts + extensions Assignment type : B2B Summary The role focuses on enhancing and maintaining the global Sales ecosystem, emphasizing collaborative development in an Agile environment. Main Responsibilities Enhance and maintain the global Sales ecosystem configuration/optimization tool for end users. Develop UI modules and APIs to share vehicle configuration attributes with other sales tools. Collaborate with a team of 14 members, including Product Owner and UX/UI designers, to deliver value. Drive initiatives and contribute to improvements and bug fixes across the application. Implement Agile development practices while fostering a positive team environment. Key Requirements Hands-on experience with TypeScript and .NET. Proficient in Angular and familiarity with React.js. Experience with AWS services, including Lambda and API Gateway. Strong capabilities in writing modern, testable, and high-quality code. A hands-on, get-things-done mentality. Nice to Have Experience with AWS CDK or similar deployment tools. Familiarity with DynamoDB and Redis. Background in working with serverless architecture.

🏢 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: Development of advanced iOS applications with a focus on implementing new features, maintaining performance, fixing bugs, and ensuring high code quality. The role involves working with SwiftUI and UIKit, applying Clean Architecture principles, integrating REST APIs, and writing automated tests. Fully remote B2B contract for long-term collaboration. 🗂️ Requirements: Minimum 4 years of experience in iOS mobile application development, Experience with SwiftUI and UIKit, Knowledge of Clean Architecture and SOLID principles, Experience with MVVM and other design patterns, Ability to integrate and work with REST API, Experience in writing unit and integration tests, Proficiency in Git and GitFlow, Experience working in Agile methodologies such as Scrum 📃 Skills: Swift, SwiftUI, UIKit, iOS, CleanArchitecture, SOLID, MVVM, REST, API, UnitTesting, IntegrationTesting, Git, GitFlow, Scrum 🏢 Description: ZADANIA: Projektowanie zaawansowanych aplikacji na platformę iOS Współpraca z zespołem w celu projektowania i dostarczania nowych funkcji Diagnoza i naprawianie błędów, dbałość o wydajność aplikacji Przeprowadzanie testów aplikacji Ciągłe wdrażanie nowych funkcjonalności Opracowywanie dokumentacji technicznej WYMAGANIA: Co najmniej 4-letnie doświadczenie w tworzeniu aplikacji mobilnych na iOS z wykorzystaniem SwiftUI oraz UIKit Dobra znajomość zasad Clean Architecture oraz SOLID Praktyczna znajomość wzorca MVVM i innych popularnych wzorców projektowych Umiejętność integracji i pracy z REST API Doświadczenie w pisaniu testów jednostkowych oraz integracyjnych Znajomość systemu kontroli wersji Git, w tym pracy z GitFlow, oraz doświadczenie w pracy zespołowej Znajomość metodyk zwinnych, takich jak Scrum DODATKOWE IFNORMACJE: Forma współpracy: b2b Stawka: 100 -130 zł/h Długość zatrudnienia: 12 miesięcy + Model pracy: 100% zdalnie

🏢 Summary: Senior Software Engineer role focused on designing and building AI-powered backend systems that automate healthcare operations while supporting human workflows. The position involves hands-on system architecture, workflow orchestration, distributed systems, and AI process automation in a regulated environment. Remote-first work with required overlap with US Central Time. 🗂️ Requirements: 6+ years of experience building and maintaining production software systems, Strong experience designing and owning complex backend systems, Strong backend engineering skills, Experience with asynchronous, event-driven, or workflow-based distributed systems, Ability to work with 4–5 hour daily overlap with US team, Experience with AI or LLM-based systems and process automation, Strong spoken and written English communication skills, Ability to solve unclear problems with incomplete information, Self-motivated with strong ownership and responsibility 📃 Skills: TypeScript, Node.js, AI, LLM, Claude, Backend, APIs, HIPAA 🏢 Description: Please Note: Overlap with Central US Time required (until 20-21:00 CEST) We are a health technology company that helps older people and their families apply for important eldercare benefits, including Medicaid, Medicare, and VA programs. We work with healthcare, government systems, and people’s daily lives, so accuracy, reliability, and trust are very important. As the number of patients grows from hundreds to thousands, manual work is no longer enough. We are building AI-powered systems to automate routine tasks while keeping people involved for quality checks, difficult cases, and patient safety. Our goal is to make healthcare operations more scalable without losing the human connection. The Role We are looking for a Senior Software Engineer to lead the design and development of systems that combine AI automation with human workflows. This is an important role close to the core business. It is a fully hands-on position with no management duties or direct reports. You will not only build features, but also design systems, define best practices, and guide technical decisions as we grow. You should feel comfortable solving unclear problems, working closely with operations and product teams, and making smart decisions in a regulated environment. This role is a good fit for someone who enjoys system design, building reliable infrastructure, and taking ownership of their work. What You’ll Work On Designing workflow and orchestration systems for complex operations. Creating AI automations that handle routine tasks safely and send difficult cases to humans. Building systems where AI supports human work before, during, and after tasks. Managing long-running workflows that can last days or weeks. Connecting with external systems such as EVV platforms, insurers, government portals, and older messaging tools. Designing confidence scoring, auditing, and rollback systems for AI processes. Improving system reliability, monitoring, and error handling in production. Responsibilities Lead the technical design and development of scalable backend systems. Make and document architecture decisions with clear trade-offs. Create patterns for collaboration between AI systems and human workers. Work closely with operations teams to understand real-world issues and edge cases. Make sure systems are observable, auditable, and safe to run at scale. Identify technical risks early and suggest solutions. Maintain high standards for code quality, testing, and system design. Share knowledge and help improve the team’s technical standards through reviews and collaboration. What We’re Looking For Required 6+ years of experience building and maintaining production software systems. Strong experience designing and owning complex backend systems. Strong backend engineering skills (we use TypeScript and Node.js, but other languages are welcome). Experience with asynchronous, event-driven, or workflow-based distributed systems. Ability to work with a daily 4–5 hour overlap with the US team (until 20:00 or 21:00 Polish time). Comfortable working with unclear problems and incomplete information. Strong spoken and written English communication skills. Self-motivated with a strong sense of ownership and responsibility. Experience working with AI or LLM-based systems and process automation, such as using Anthropic’s API (Claude) or similar tools in business workflows. Nice to Have Experience in healthtech or other regulated industries. Knowledge of HIPAA and healthcare data privacy and security rules. Experience building systems with strict compliance or audit requirements. Experience with human review workflows. Experience integrating with unstable or legacy third-party APIs. Master’s or PhD in Computer Science, Engineering, or a related field. How We Work Remote-first company. Small, experienced teams with high trust and independence. Strong focus on system accuracy, reliability, and long-term maintenance. Practical and thoughtful use of AI, both for internal development and within our product. Direct connection to real users and operational impact.