Senior Mobile Developer

🏢 Summary: Full-time in-house Senior Mobile Developer / .NET Technical Lead role in Warsaw to lead and deliver a secure, mobile-first platform integrated with backend and operational systems. The position combines hands-on mobile development with architectural ownership of a .NET backend and technical leadership responsibilities. Offers relocation/visa support, competitive salary, and the opportunity to shape and grow the engineering team. 🗂️ Requirements: Strong commercial experience developing and shipping mobile applications, Experience with mobile security, biometrics, push notifications, BLE, and API-driven architectures, Solid understanding of .NET/C# backend development, Experience integrating third-party systems and operational platforms, Knowledge of CRM, CMS, ERP, payments, reporting, and cloud infrastructure, Ability to define technical standards and documentation, English or Polish language proficiency 📃 Skills: .NET, C#, Mobile, API, BLE, Biometrics, Push, CRM, CMS, ERP, Payments, Cloud 🏢 Description: Senior Mobile Developer with .NET experience (Warsaw) Full-time in-house role in Warsaw Salary up to $7,000/month Relocation / Visa Assistance (If need) A leading logistics and storage company is seeking a Senior Mobile Developer / .NET Technical Lead to own and deliver a major mobile-first technology platform. This hands-on leadership role will drive the development of a secure customer mobile app integrated with operational systems, access control, payments, reporting, and a .NET-based backend platform. Key Responsibilities - Lead the design and delivery of the mobile application - Build secure features including authentication, biometrics, permissions, push notifications, and Bluetooth Low Energy (BLE) - Integrate mobile, web, CRM/CMS, payment, reporting, and operational systems - Design APIs and help shape .NET/C# backend architecture - Define technical standards, documentation, and delivery processes - Work directly with the CEO and leadership team - Help build and lead the engineering team as the platform grows Requirements: - Mobile Experience (Important) - Strong commercial experience developing and shipping mobile applications - Experience with mobile security, biometrics, push notifications, BLE, and API-driven architectures - Solid .NET/C# backend understanding - Experience integrating third-party systems and operational platforms - Knowledge of CRM, CMS, ERP, payments, reporting, and cloud infrastructure - Strong ownership, documentation, and security mindset - English or Polish Language Spoken Nice to Have: - Umbraco or similar CRM/CMS platforms - Access control or hardware integrations - Logistics, storage, facilities, or operational technology experience - Previous technical leadership or architecture ownership What We Offer: - Full-time in-house role in Warsaw - Salary up to $7,000/month - Relocation Assistant - Modern office environment - Direct access to senior leadership - Long-term strategic technology project - Real ownership of product and platform direction - Opportunity to build and lead a team - Performance-based bonuses - Possible visa/work permit sponsorship for Ukrainian or other EU candidates Role Summary You will lead the development of the company's core mobile platform, integrating customer-facing applications with backend systems, access control, and operational infrastructure while helping shape the future technology strategy of a growing logistics business.

🏢 Summary: Senior Android Mobile Developer role on a large-scale financial/payments platform focused on Token ID Android tools development. The position involves building and enhancing Android applications and backend components in a high-performance, secure, and scalable environment using modern technologies. Hybrid work from Warsaw with a long-term engagement on a globally distributed system. 🗂️ Requirements: Minimum 7+ years of experience in Android development, Strong experience with backend development using Spring Boot, Hands-on experience with Kubernetes and Docker, Experience with Jenkins for CI/CD, Proficiency in Java 21, Experience with SQL databases, Experience building and consuming REST and Web Services, Experience with IntelliJ, Experience with GenAI tools including Claude Code, Ability to develop and integrate Android applications with backend services 📃 Skills: Android, Java, SpringBoot, Kubernetes, Docker, Jenkins, IntelliJ, SQL, REST, WebServices, GenAI, Claude, CI/CD 🏢 Description: Senior Android Mobile Developer 📌 We’re looking for an experienced Senior Android Mobile Developer to join a fast-paced, high-impact project in the financial / payments domain. You’ll be working on a large-scale, globally distributed platform that processes millions of transactions and powers critical payment flows used worldwide. The project focuses on performance, security, and scalability, with strong engineering standards and modern technologies. 📍 Hybrid from Warsaw - 2-3 days per week Role Details: Duration: Minimum 6 months and will be extended Years of exp: Minimum 7+ Years Details about the project they would be working on: Token ID Android Tools development Job description: Mandatory skills : Android Development, Spring boot, k8s, Docker, Jenkins, IntelliJ, claude code, GenAI, Java 21, SQL, rest, Web Services Roles and Responsibilities: Develop and maintain new features for Android test tools and their backend components. Contribute to the design, development, and enhancement of various Android‑based tool applications used within the Token ID ecosystem. Deliver the following engagement components: Issuer Mobile Application TR Mobile Application Terminal Mobile Application Demo Wallet Ensure high‑quality code, performance optimization, and smooth integration with backend services. Collaborate with cross‑functional teams to support the full development lifecycle, including design, development, testing, and deployment. Troubleshoot issues, debug applications, and contribute to continuous improvements. ✅ Benefits: Work with modern technologies and international teams Long-term and stable cooperation Professional growth opportunities 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Senior Android Mobile Developer role focused on building and enhancing Android test tools and backend components within a Token ID ecosystem for secure payment solutions. The position involves developing high-impact mobile applications and ensuring scalable, high-performance integrations with backend services. Work is delivered in a hybrid model as part of a long-term B2B contract. 🗂️ Requirements: 7+ years of professional experience, Strong Android development experience, Proficiency in Java 21, Experience with Spring Boot, Experience with REST APIs and Web Services, Knowledge of SQL, Experience with Kubernetes, Experience with Docker, Experience with Jenkins, Proficiency with IntelliJ, Experience with Claude, Experience with GenAI 📃 Skills: Android, Java, Spring, REST, SQL, Kubernetes, Docker, Jenkins, IntelliJ, Claude, GenAI 🏢 Description: We are looking for an experienced Senior Android Mobile Developer to join a project for a world-leading payment technology company . You will work on advanced Android tools within a Token ID ecosystem, contributing to high-impact mobile applications used globally. 🔧 Project Overview The project focuses on Token ID Android Tools development , including multiple mobile applications supporting secure payment solutions. 📍 Location & Work Model Location: Warsaw or Gdansk Work Mode: Hybrid (1-2 days hybrid from the office) ⏳ Contract Details Contract Type: B2B (details to be shared) Daily Rate: 1.100 PLN/day – 1.300 PLN/day 👤 Experience Minimum 7+ years of professional experience 🛠 Mandatory Skills Please ensure your CV clearly reflects hands-on experience with the following: Android Development Java 21 Spring Boot REST APIs & Web Services SQL Kubernetes (k8s) Docker Jenkins IntelliJ Claude Code GenAI 📱 Responsibilities Develop and maintain new features for Android test tools and their backend components Design, develop, and enhance Android-based tool applications within the Token ID ecosystem Work on the following engagement components: Issuer Mobile Application TR Mobile Application Terminal Mobile Application Demo Wallet Ensure high-quality, scalable, and well-performing code Optimize performance and ensure seamless backend integration Collaborate with cross-functional teams across the full SDLC Debug, troubleshoot, and continuously improve applications 🚀 Join us and be part of a cutting-edge project for a global payment technology leader, where your work will directly impact secure, large-scale mobile solutions used worldwide.If you’re ready to take on a challenging Android role and work with modern technologies - we’d love to hear from you!

🏢 Summary: Senior Mobile Developer role focused on building and maintaining an enterprise-grade mobile SDK for passwordless authentication used globally. The position involves low-level mobile engineering, security and cryptography implementation, and performance optimization across Android and iOS platforms. The role includes architectural decision-making and close collaboration with backend teams in an international environment. 🗂️ Requirements: 6+ years commercial experience in mobile development (Android and/or iOS), Strong knowledge of Kotlin and/or Swift, Practical experience in developing mobile SDKs, Cross-platform experience with Android and iOS, Knowledge of OS internals (memory, threading, security model), Experience with cryptography or threat modeling, Experience in performance optimization, Knowledge of concurrency and asynchronous programming, Experience with CI/CD for mobile applications, English proficiency min. B2, Polish proficiency min. C1 📃 Skills: Kotlin, Swift, Android, iOS, SDK, Cryptography, Concurrency, CI/CD, Threading, Memory, Security, Git 🏢 Description: Cześć! Dla naszego klienta, międzynarodowej firmy z branży usług informatycznych, poszukujemy Senior Mobile Developera, który dołączy do zespołu budującego nowoczesną platformę passwordless authentication, wykorzystywaną na milionach urządzeń na całym świecie. To rozwiązanie klasy enterprise, używane m.in. w sektorze finansowym i bankowym, które odpowiada za bezpieczne zarządzanie tożsamością użytkowników. Projekt koncentruje się na rozwoju zaawansowanego mobile SDK, które stanowi warstwę bezpieczeństwa działającą bezpośrednio na urządzeniu użytkownika. Będziesz mieć okazję pracować blisko systemu operacyjnego, w obszarze security, wydajności i low-level engineeringu, tworząc produkt używany przez innych developerów. Wspólnie z zespołem będziesz podejmować kluczowe decyzje architektoniczne mające wpływ na dalszy rozwój produktu. Lokalizacja: Gdańsk Model pracy: Hybryda lub zdalnie (sporadyczne wizyty w biurze) Forma zatrudnienia: B2B lub umowa o pracę Wynagrodzenie: B2B: 169 - 190 PLN/h + VAT || UoP: 20750 - 23000 PLN brutto Zakres obowiązków: rozwój i utrzymanie mobilnego SDK (Android/iOS), projektowanie i implementacja rozwiązań z zakresu bezpieczeństwa i kryptografii, praca z pamięcią, wielowątkowością i optymalizacją wydajności, integracja z mechanizmami systemowymi (lifecycle, permissions, system services), analiza zmian w systemach operacyjnych i dostosowywanie SDK do nowych wersji platform, udział w projektowaniu rozwiązań, security reviews oraz podejmowaniu decyzji architektonicznych, ścisła współpraca z zespołami backendowymi, praca w środowisku międzynarodowym (język angielski na co dzień). Oczekiwania: 6+ lat doświadczenia komercyjnego w tworzeniu rozwiązań mobilnych (Android i/lub iOS), bardzo dobra znajomość Kotlin i/lub Swift, praktyczne doświadczenie w tworzeniu mobile SDK, elastyczność i gotowość do działania cross-platformowo (zarówno w środowisku Androidowym, jak i iOS), solidna wiedza z zakresu: OS internals (memory, threading, security model) oraz lifecycle i zarządzania zasobami, doświadczenie z kryptografią lub threat modelingiem, doświadczenie w optymalizacji wydajności, praktyczna wiedza z zakresu concurrency i programowania asynchronicznego, znajomość procesów CI/CD dla aplikacji mobilnych, bardzo dobra znajomość języka angielskiego (min. B2), płynna znajomość języka polskiego (min. C1), umiejętność samodzielnej pracy i branie odpowiedzialności za tworzony produkt, nastawienie na bycie częścią zespołu i otwartość na feedback. Mile widziane: doświadczenie cross-platform (np. Kotlin Multiplatform, React Native, Flutter), znajomość narzędzi do profilowania (np. Instruments, Perfetto, Systrace), doświadczenie z komponentami sprzętowymi (TEE, Secure Enclave, KeyStore), wiedza z zakresu mobile security (RASP, root/jailbreak detection, anti-tampering, itp.), podstawowa znajomość UX / procesów projektowania produktów cyfrowych. Oferujemy: realny wpływ na rozwój produktu używanego globalnie przez miliony użytkowników, dużą samodzielność oraz szerokie możliwości rozwoju, pracę w płaskiej strukturze i możliwość proponowania własnych rozwiązań, środowisko nastawione na jakość i konstruktywny feedback, wsparcie przełożonego, program mentoringowy i regularne spotkania 1on1, współpracę w oparciu o kontrakt B2B lub umowę o pracę, elastyczne godziny pracy (start między 7:00 a 10:00), nowoczesny sprzęt (MacBook + urządzenia testowe), integracje zespołowe i warsztaty techniczne, pakiet benefitów (prywatna opieka medyczna, MultiSport, lekcje angielskiego), pracę zdalną ze sporadycznymi wizytami w gdańskim biurze.

🏢 Summary: Senior Software Engineer role focused on designing, developing, and integrating advanced Shopify (primarily Shopify Plus) solutions within enterprise environments. The position involves building custom applications, headless architectures, and complex integrations with core business systems. Hybrid full-time role in Warsaw with B2B or CoE contract options. 🗂️ Requirements: 5+ years of experience in e-commerce architecture or technical consulting, Minimum 3 years of hands-on experience with Shopify ecosystem, Strong experience with Shopify Plus, including admin and app ecosystem, Experience building custom Shopify applications, Experience with Shopify Functions and Checkout UI extensions, Experience with headless Shopify architectures, Hands-on experience with Microsoft Entity Framework, Experience working with Shopify REST and GraphQL APIs, Strong knowledge of HTML, CSS, JavaScript, TypeScript, Experience integrating Shopify with ERP, OMS, PIM or similar enterprise systems 📃 Skills: Shopify, ShopifyPlus, Liquid, Hydrogen, Oxygen, EntityFramework, REST, GraphQL, HTML, CSS, JavaScript, TypeScript, SCSS, ShopifyFunctions, CheckoutUI, Node.js, Ruby 🏢 Description: 💰 Salary: 21,500-28,700 PLN/Month 💻 Warsaw, Poland (Hybrid - 3 days in office, 2 days remote) 🕦 Full-time ☑️ B2B or CoE We’re looking for a Senior Software Engineer to join a fast-growing international tech company focused on building modern, data-driven platforms that power digital transformation in the financial and enterprise sectors. Requirements: 5+ years of experience in e-commerce architecture, technical consulting, or a comparable senior level role, with a minimum of 3 years focused on the Shopify ecosystem. Strong hands-on experience with the Shopify platform, particularly Shopify Plus, including admin capabilities, Liquid templating, and the broader app ecosystem. Proven experience building custom Shopify applications, including advanced customizations using Shopify Functions and Checkout UI extensions. Solid understanding of headless Shopify architectures, with experience in Hydrogen and Oxygen implementations. Hands-on experience working with Microsoft Entity Framework. experience working with Shopify APIs, including REST and GraphQL, along with strong knowledge of modern web technologies such as HTML, CSS, JavaScript and TypeScript. Demonstrated ability to design and deliver integrations with enterprise systems such as ERP, OMS, and PIM. Nice to have: Previous experience leading or contributing to re platforming projects from legacy systems. Familiarity with backend technologies such as Node.js and Ruby. Shopify certifications or other relevant e-commerce platform certifications. Key Responsibilities: Design and document end to end technical architectures for both new and existing Shopify (primarily Shopify Plus) stores, covering storefront implementation (headless or theme based), backend services, integration strategy, and security. Develop, customize, and maintain high quality Shopify themes using HTML5, Liquid, CSS3/SCSS, along with JavaScript and TypeScript. Implement and design complex integrations between Shopify and core enterprise platforms such as CRM, CDP, WMS, PIM, OMS, and ERP, utilizing GraphQL and REST APIs. Develop and manage custom Shopify applications, delivering advanced capabilities through Shopify Functions and Checkout Extensibility to support specific client requirements. Collaborate closely with the Sales team to support technical evaluations, define solution scope, estimate effort, and deliver clear, compelling technical presentations to clients. Provide technical guidance to stakeholders and engineering teams, advising on Shopify solutions, architecture decisions, and industry best practices.

🏢 Summary: B2B contract role for a Senior Mobile Engineer to develop and scale a high-traffic React Native mobile application used internationally. The position involves owning features end-to-end, contributing to architecture decisions, and collaborating closely with backend teams. The focus is on building performant, stable, and well-tested iOS and Android apps. 🗂️ Requirements: 4+ years of professional experience with React Native, Strong knowledge of iOS and Android platforms, Experience with app releases and distribution, Solid understanding of mobile architecture and design patterns, Experience with automated testing, Very good English communication skills, Working proficiency in Polish 📃 Skills: ReactNative, iOS, Android, JavaScript, MobileArchitecture, DesignPatterns, AutomatedTesting, AppStore, GooglePlay, English, Polish 🏢 Description: Senior Mobile Engineer (React Native) Location: Remote Contract: B2B Salary: up to 30 000 PLN net / month About the company A product-focused technology company developing a mobile and web platform that supports educational institutions and families in their daily operations. The product simplifies communication, reduces administrative work, and is used at scale by a large and growing international user base. Role overview The company is looking for an experienced Senior Mobile Engineer (React Native) to help develop and scale a high-traffic mobile application. You will work on core product features, contribute to architectural decisions, and collaborate closely with backend and product teams. Responsibilities Develop and maintain a large-scale React Native mobile app (iOS & Android) Own features from concept to production Collaborate with backend engineers on new functionality Write clean, maintainable, and well-tested code Contribute to architectural and technical decisions Optimize performance, stability, and developer experience Requirements 4+ years of professional experience with React Native Strong knowledge of iOS and Android platforms Experience with app releases and distribution Solid understanding of mobile architecture and design patterns Experience with automated testing Very good English communication skills Working proficiency in Polish Nice to have Experience with Firebase Knowledge of mobile analytics tools Advanced testing experience Familiarity with the JavaScript ecosystem (Node.js, React, Next.js) Understanding of mobile UI/UX principles What’s offered 30 000 PLN net monthly (B2B) 20–26 days of paid time off Modern equipment and tools Benefits package (sports card, private healthcare, English lessons) High autonomy and real impact on product and technical decisions Transparent culture with no micromanagement

🏢 Summary: Senior Software Developer role focused on building and evolving a modern mobile healthcare application that supports people with hearing disabilities. The position involves end-to-end development of mobile and backend solutions within a cross-functional, international Agile team. You will drive technical decisions, contribute to architecture, and ensure high-quality, scalable software delivery. 🗂️ Requirements: 5+ years of software development experience, Strong proficiency in C# or .NET MAUI or native Android or iOS development, Experience in mobile application development, Understanding of software architecture and design patterns, Experience with Agile methodologies (Scrum or SAFe), Ability to design and develop backend solutions, Experience with code reviews and automated testing, Fluent English 📃 Skills: C#, .NET, MAUI, Android, iOS, Scrum, SAFe, Architecture, Testing, Backend 🏢 Description: Build technology that truly matters Join our agile product team in Warsaw and help people with hearing disabilities improve their everyday lives through innovative mobile solutions. As part of our R&D organization, you will work on a modern mobile healthcare application connecting cutting-edge hearing technology with intuitive user experiences. About the role As a Senior Software Developer, you will play a key role in shaping, building, and evolving our mobile solutions. Working in a cross‑functional, international team, you will contribute end‑to‑end — from requirement discussions to design, development, testing, and release. Working with us, You will receive full-time work agreement, with a permanent contract after 3 months; flexible working hours; great opportunities for usage of newest technology; a generous benefits package (private medical care, sports card, and more); a Scandinavian-style work culture that values equality, autonomy, and work-life balance — no titles, no silos – pure collaboration. What you will focus on Designing and developing high‑quality mobile and backend solutions Driving technical decisions and contributing to system architecture Delivering new features that improve user experience and product value Collaborating closely with product owners, designers, and other developers Ensuring code quality through testing, reviews, and best engineering practices Investigating and resolving complex technical challenges Mentoring other developers and supporting team growth What we are looking for Solid experience in software development (typically 5+ years) Strong skills in at least one of the following: C# / .NET MAUI Native mobile development (Android and/or iOS) Good understanding of software architecture and design patterns Experience with Agile ways of working (Scrum / SAFe) Focus on quality, maintainability, and clean code Strong communication skills and fluent English Curiosity and motivation to continuously improve What we offer Meaningful work in healthcare technology Modern tech stack and engineering practices Flexible working hours and hybrid setup Private medical care, sports card and other benefits Scandinavian work culture built on trust, equality, autonomy, and work–life balance — no hierarchy, no silos, just true collaboration Opportunities for growth – both technical and leadership

🏢 Summary: Senior Frontend Developer role focused on building and maintaining complex cloud-based web applications for network configuration, monitoring, and optimization. The position involves developing new features, maintaining a custom UI component library, and contributing to code and UX reviews within a global team. Hybrid work model with long-term B2B cooperation. 🗂️ Requirements: 5+ years experience building complex web applications, Strong knowledge of JavaScript, Strong knowledge of TypeScript, Strong knowledge of HTML5, Strong knowledge of CSS3, Experience with React, Experience with Redux, Experience with Redux Toolkit, Experience writing well-tested maintainable code, Experience with REST API integration, Proficient English communication skills 📃 Skills: JavaScript, TypeScript, HTML5, CSS3, React, Redux, ReduxToolkit, REST, Cypress, ReactTestingLibrary, Webpack, Lerna, Storybook, Cytoscape, ChartJS, MapLibre 🏢 Description: For a client, we are looking for a Senior Frontend Developer Salary: 150-170 net+VAT B2B Hybrid model: 1 day per week from the office in Warsaw or Kraków RESPONSIBILITIES About our Team As a team member, you will have the possibility to participate in the whole development process in Network Cloud Team projects. The primary objective of our applications is to set up, configure, monitor, and optimize servers and networks for clients globally. Working in our team allows you to learn various network automation techniques, be part of and create a mobile network future, develop cloud-based applications and have a real impact on how it will look like. Role and Responsibilities Develop new features, as well as maintain existing ones. Implementation and maintenance of custom UI components library. Participate in code review, as well as UX design review. Cooperation with colleagues from other Centers around the world. REQUIREMENTS 5+ years of experience building complex web applications using JavaScript, TypeScript, HTML5, CSS3. Experience with React, Redux and Redux Toolkit; Familiarity writing well-tested, maintainable code (knowledge of Cypress.io and React Testing Library is a plus). Familiarity with REST API integration Proficient English communication skills. NICE TO HAVE Experience with Webpack; Experience with Lerna or other mono-repo solutions; Experience with Storybook and component libraries development; Experience with data visualization (knowledge of Cytoscape.js, react-chartjs-2, maplibre or similar libraries is a plus); WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract and rate: 150-170 PLN/hour Hybrid work from Warsaw or Cracow (1 times a week in the office) The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. Events and integration meetings, as well as participation in various initiatives, e.g., sports. Access to the benefits offering (medical care, life insurance, Multisport card). WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Iga Olszewska-Magnowska Senior IT Delivery Consultant iga.olszewska@speedapp.pl

🏢 Summary: Long-term remote B2B opportunity for a Senior Android Developer to build and scale high-impact mobile applications used by millions of users across Europe. The role focuses on developing high-quality Android solutions, improving performance and scalability, and contributing to architectural decisions in an agile environment. The position offers up to 170 PLN/h and full remote work from Poland. 🗂️ Requirements: Strong experience in Android development, Proficiency in Kotlin, Proficiency in Java, Hands-on experience with MVVM architecture, Hands-on experience with Clean Architecture, Knowledge of SOLID principles, Experience with CI/CD pipelines, Experience with release processes, Experience with version control systems, Understanding of UI/UX principles, Knowledge of Material Design, Ability to work in an agile cross-functional team 📃 Skills: Android, Kotlin, Java, MVVM, CleanArchitecture, SOLID, CI/CD, Git, MaterialDesign 🏢 Description: Senior Android Developer (Remote) 📍 Work mode: 100% remote from Poland 💸 Salary: up to 180 PLN/h on B2B contract ⌛ Project duration: long-term About the client: We are looking for an experienced Senior Android Developer to join a long-term, fully remote project focused on building and scaling high-impact mobile applications used by millions of users across Europe. You will contribute to the development of a highly recognizable mobile platform, playing a key role in enhancing application performance, scalability, and user experience, while collaborating with cross-functional teams in an agile environment. Key Responsibilities: Develop high-quality, testable, and maintainable Android applications. Actively participate in technical discussions and contribute to architectural decisions. Ensure code quality through regular code reviews and adherence to best practices and standards. Collaborate with product, design, and backend teams to deliver new features. Refactor and improve existing code to enhance performance and maintainability. Create and maintain technical documentation (architecture, processes, and implementation details). Continuously evaluate and implement new technologies to improve efficiency and product quality. Requirements: Strong experience in Android development using Kotlin and Java. Hands-on experience with modern mobile architectures such as MVVM, Clean Architecture, and SOLID principles. Ability to work both independently and within a cross-functional agile team. Experience with CI/CD pipelines, release processes, and version control systems (e.g., Git). Good understanding of UI/UX principles, including Material Design. Strong problem-solving skills and attention to details Nice to Have: Experience working on scalable applications with large user bases. Familiarity with performance optimization and mobile application scaling. What We Offer: Fully remote work model. Long-term collaboration on a B2B contract. Benefits package including: Multisport card, private medical care, health insurance Recruitment Process: Live Coding Session (90 minutes) System Design Interview (90 minutes) Hiring Manager Interview (60 minutes) Technical/Behavioral Interview (Bar Raiser – 60 minutes) Final Decision and Offer Co zyskasz dzięki aplikacji na ofertę Antal? Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział. Kim jesteśmy? Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska. Sprawdź inne aktualne oferty pracy na: https://antal.pl/dla-kandydata Zaobserwuj nasz profil na LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Long-term remote B2B opportunity for a Senior Android Developer to build and scale high-impact mobile applications used across Europe. The role focuses on Android development, architecture decisions, performance optimization, and collaboration within agile cross-functional teams. 🗂️ Requirements: Strong Android development experience, Proficiency in Kotlin, Proficiency in Java, Experience with MVVM architecture, Experience with Clean Architecture, Knowledge of SOLID principles, Experience with CI/CD pipelines, Experience with Git, Understanding of UI/UX principles, Knowledge of Material Design, Ability to work in agile cross-functional teams, Strong problem-solving skills 📃 Skills: Android, Kotlin, Java, MVVM, SOLID, Git, CI/CD, UI/UX, Material, Agile 🏢 Description: Senior Android Developer (Remote) 📍 Work mode: 100% remote from Poland 💸 Salary: up to 180 PLN/h on B2B contract ⌛ Project duration: long-term About the client: We are looking for an experienced Senior Android Developer to join a long-term, fully remote project focused on building and scaling high-impact mobile applications used by millions of users across Europe. You will contribute to the development of a highly recognizable mobile platform, playing a key role in enhancing application performance, scalability, and user experience, while collaborating with cross-functional teams in an agile environment. Key Responsibilities: Develop high-quality, testable, and maintainable Android applications. Actively participate in technical discussions and contribute to architectural decisions. Ensure code quality through regular code reviews and adherence to best practices and standards. Collaborate with product, design, and backend teams to deliver new features. Refactor and improve existing code to enhance performance and maintainability. Create and maintain technical documentation (architecture, processes, and implementation details). Continuously evaluate and implement new technologies to improve efficiency and product quality. Requirements: Strong experience in Android development using Kotlin and Java. Hands-on experience with modern mobile architectures such as MVVM, Clean Architecture, and SOLID principles. Ability to work both independently and within a cross-functional agile team. Experience with CI/CD pipelines, release processes, and version control systems (e.g., Git). Good understanding of UI/UX principles, including Material Design. Strong problem-solving skills and attention to details Nice to Have: Experience working on scalable applications with large user bases. Familiarity with performance optimization and mobile application scaling. What We Offer: Fully remote work model. Long-term collaboration on a B2B contract. Benefits package including: Multisport card, private medical care, health insurance Recruitment Process: Live Coding Session (90 minutes) System Design Interview (90 minutes) Hiring Manager Interview (60 minutes) Technical/Behavioral Interview (Bar Raiser – 60 minutes) Final Decision and Offer Co zyskasz dzięki aplikacji na ofertę Antal? Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział. Kim jesteśmy? Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska. Sprawdź inne aktualne oferty pracy na: https://antal.pl/dla-kandydata Zaobserwuj nasz profil na LinkedIn: https://www.linkedin.com/company/antalpoland