Senior Android Developer

🏢 Summary: Remote B2B opportunity for a senior Android Engineer to own the client-side architecture, performance, and AI interaction experience for a proactive smart-assistant product. The role focuses on building resilient AI mobile workflows and collaborating with ML and backend engineers on API and system design. 🗂️ Requirements: 5+ years of native Android development experience, Kotlin, AI/LLM feature integration, Vision API integration, Speech API integration, Coroutines, Flow, Asynchronous programming, Profiling, debugging, and performance optimization for high-load AI workflows, Product-minded approach 📃 Skills: Android, Kotlin, AI, LLM, Coroutines, Flow, Vision, Speech, Profiling, Debugging, Optimization 🏢 Description: Hello Android Engineers! 😊 The mission of our stealth AI client is to build a proactive smart assistant for everyday users, bringing real intelligence to daily workflows and reducing task completion time by over 90%. What WE offer: • B2B contract • Join a high-talent team building the core Poland tech hub • 100% remote work • Fast hiring process (3-4 steps max, prompt decisions) • Opportunity to build an AI-native product from scratch for billions of global users • Direct ownership of the client-side architecture and performance What do YOU offer? • 5+ years of experience in native Android development with Kotlin • Hands-on experience in integrating AI/LLM features, vision, and speech APIs • Deep mastery of Coroutines, Flow, and asynchronous programming • Experience with on-device ML frameworks (e.g., TensorFlow Lite, MLKit) is a strong plus • Strong profiling, debugging, and performance optimization skills for high-load, AI-heavy workflows • A curious, product-minded engineer What will YOU do? • Own the Android application experience, driving how AI feels, behaves, and performs on mobile devices. • Design resilient mobile UX patterns for AI interactions (handling streaming responses, retries, and latency). • Optimize app responsiveness, CPU, and memory efficiency for multi-step reasoning and context-heavy flows. • Collaborate directly with ML and backend engineers to shape API contracts and system behavior. Does this sound interesting? Do not hesitate to apply, and let's talk!

🏢 Summary: Remote B2B opportunity for a Senior Android Developer to build and scale a native Android app for digital logistics and e-commerce used by millions across Europe. The role covers Kotlin-based feature delivery, code optimization, mobile CI/CD, and collaboration in an Agile product team. 🗂️ Requirements: 5+ years of Android development experience, Expert Android SDK, version, and device-configuration knowledge, CI/CD and build-optimization experience, Platform/foundation team and DevEx experience, Android Architecture Components, Jetpack, MVVM, and Clean Architecture experience, Java and Kotlin mobile-application optimization experience, Jetpack Compose and Coroutines experience, Firebase configuration experience, Mobile API and external-service integration experience, Git, Jira, Confluence, and code-review experience, Agile methodology knowledge, Professional English proficiency, minimum B2 📃 Skills: Android, Kotlin, Java, Jetpack, Compose, Coroutines, Firebase, GitLab, GitHub, Git, Jira, Confluence, MVVM, CI/CD, DevEx, Agile 🏢 Description: Up to 170 PLN/h + VAT on a B2B contract.

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🏢 Summary: Join a team developing, delivering, and maintaining production Android applications for B2B and B2C clients across Europe. The role covers mobile and connected-system architecture, app quality and performance, CI/CD, production monitoring, and Agile collaboration. 🗂️ Requirements: 2+ years of commercial Android application development experience, Bachelor’s degree or higher in Computer Science or Software Engineering, Experience delivering Android apps to customers, Hands-on CI/CD experience, Mobile and backend architecture problem-solving experience, Knowledge of software engineering principles, testing, data structures and algorithms, Knowledge of object-oriented design patterns, dependency injection, SOLID and Clean Code, Experience with Agile methodologies, English proficiency 📃 Skills: Android, Kotlin, AWS, TypeScript, JavaScript, Node.js, REST, CI/CD, Testing, Docker, Kubernetes, Jenkins, Terraform, CircleCI, GitLabCI, Datadog, Elixir, C++, C#, Golang, Erlang, Python 🏢 Description: About the role We are seeking candidates for our client, which operates in Europe. You will be a member of a team responsible for the development and delivery of mobile Android apps. Hands-on experience in delivering Android apps to customers, supported with CI/CD processes and production monitoring, is a requirement. Technologies we work with: Kotlin, Android, AWS, Typescript, JavaScript, Node.js, REST APIs. Responsibilities: Development and delivery of Android apps for B2B or B2C clients Design software architecture between mobile apps and systems that they connect with Follow and improve the concepts of dependency injection and threading inside apps Scoping and assessing the complexity of features Continuously improve the quality and performance of mobile apps Maintaining apps on production used by consumers from several European countries Monitor and create prototypes for new technological opportunities (E.g., WearOS) Participating in sprint planning, daily sprints and meetings with product owners for grooming new features Collaborating with other team members and teams that depend on the functionalities that you develop Required qualifications: Minimum of 2 years commercial work experience in building Android apps Bachelor's or higher degree in Computer Science, Software Engineering Strong understanding of software engineering principles, testing, data structures and algorithms Solid hands-on experience in solving architectural problems for mobile apps and backend services Strong hands-on experience of CI&CD processes Understanding of OO design patterns, dependency injection, SOLID principles and Clean Code Able to work with Agile methodologies such as SCRUM and/or Kanban Good communication and collaboration skills Team player Self-motivation, proactive attitude Proficiency in English, it’s our daily business language Nice to have: Experience in developing Cloud and Infrastructure solutions with AWS and CI/CD processes supported by tools like Docker, Kubernetes, Jenkins, Terraform, CircleCI, GitlabCI, Datadog, etc. Working experience with one of the object-oriented and/or functional languages such as Elixir, C++, C#, Golang, Erlang, Python