Jobs Android

Experience Level: 8+ years of embedded/low-level development experience, with 4–5+ years
focused on Linux / Android BSP and camera or multimedia subsystem integration.
About Client
Our client is the world's leading manufacturer of advanced control and automation systems, innovating technology and reinventing the way people live and work, offering integrated solutions to control audio & video systems. The client streamlines technology, improving the quality of life for people in corporate boardrooms, conference rooms, classrooms, auditoriums, and in their homes.
The automation and control solutions for buildings and homes let people control entire environments with the push of a button, integrating systems such as A/V, lighting, shading, IT, security, BMS, and HVAC to provide greater comfort, convenience, and security. All the products are designed and built to work together as a cohesive system, enabling customers to monitor, manage, and operate everything from the cloud.

Job Description
We are looking for a Camera BSP & Middleware Engineer to drive the design and development of a unified camera infrastructure across Linux and Android platforms.
This role combines deep embedded Linux and Android expertise with camera subsystem integration. The engineer will be responsible for sensor bring-up, driver development,
middleware integration, and image quality tuning, ensuring compliance with Android Camera HAL standards and optimized multimedia performance across platforms.

Technical Requirements (Mandatory)

 Strong experience with Linux kernel camera drivers and V4L2 (including sub-device drivers)
 Proven experience integrating and maintaining Android Camera HAL
 Hands-on experience with camera sensor bring-up and board-level integration
 Experience working with Device Tree / DTBO overlays, including power sequencing, reset, and clock (MCLK) configuration
 Experience tuning image quality pipelines, including:
o 3A algorithms (AE, AWB, AF)
o Lens Shading Correction (LSC)
o Temporal Noise Reduction (TNR)
 Ability to debug complex camera pipelines across kernel and user space
 Experience with Git/Gerrit and build systems (Yocto and AOSP)
 Strong understanding of embedded Linux and Android system architecture

Responsibilities
 Own cross-platform (Linux and Android) camera architecture and board bring-up
 Develop and maintain Linux camera drivers (V4L2 sub-devices)
 Integrate and support Android Camera HAL components
 Create and validate Device Tree / DTBO overlays for camera hardware configuration
 Automate media graph validation, streaming tests, and long-running stress test suites
 Tune image processing pipelines using vendor-provided IQ tools
 Collaborate closely with hardware teams on CSI timing, PHY configuration, and sensor onboarding
 Support performance optimization and long-term platform stability
Preferred Skills
 Experience with ISP pipelines and proprietary HAL implementations
 Knowledge of multimedia frameworks such as GStreamer or OpenCV
 Experience working with high-resolution or multi-camera systems
 Familiarity with automated validation frameworks for camera subsystems

We are looking for a strong Team Lead Android (IGaming) who is ready not just to manage a team, but to build processes, scale products, and implement modern technologies.

If you have real experience in IGaming and understand how Android apps work in Google Play — you are exactly who we need!

🔥 Responsibilities:

— Lead and manage the Android development team (IGaming)

— Build and optimize development and release processes

— Implement AI solutions into products and workflows

— Generate and optimize web funnels

— Ensure quality, stability, and integrations

— Influence product lifecycle and scaling

🎯 Requirements:

— 2+ years of experience in Android IGaming (with proven cases)

— 1+ year of team management experience

— Strong understanding of IGaming specifics in Google Play

— Strong knowledge of:

Kotlin / React Native / Unity / Flutter

— Experience with:

Appsflyer, GitHub, GitLab, Pastebin, Figma

— Soft skills:

multitasking, prioritization, analytical thinking, attention to detail

💼 We offer:

— Office in Warsaw city center or remote

— Flexible working hours

— Minimal bureaucracy

— Strong team

— Direct impact on the product

💰 Compensation:

Discussed individually based on your experience

We are building one of the most powerful live-streaming platforms, already connecting 400K+ monthly active users through live events, interactive video chats, and real-time community experiences. Our mission is bold: bring joy, fight loneliness, and deliver safe, ad-free entertainment that keeps people coming back. This is a complex, fast-moving space, and we love it that way! So, you will join a passionate, expert team tackling everything from scaling AI-powered recommendations to launching high-impact, data-driven features that boost monetization and engagement. Every idea counts here, and every release reaches a massive global audience.

Now, we are expanding into Arab countries and Europe, enhancing content quality, and rolling out new features to keep users hooked. We are among the Top 5 streaming products in the US and rank in the Top 10 worldwide. Our next milestone: break into the global Top 5, and we are moving fast to make it happen.

So, we are looking for an Android Developer to join our engineering team. You will be involved in building a scalable Android application, using up-to-date technologies and best engineering practices

In this role you will
 

• Develop and maintain a high-performance Android application using modern development approaches
• Write clean, testable, and maintainable code
• Participate in technical decision-making and contribute to building scalable application architecture
• Work on improving user experience and key product metrics
• Collaborate with cross-functional teams (Android, backend, design, product) during ideation, design, and feature development
• Take part in code reviews and share best engineering practices within the team

 It’s all about you

• 2+ years of experience in native Android development
• Strong practical experience with Kotlin
• Hands-on experience with Coroutines and Flow
• Strong proficiency in Jetpack Compose
• Experience working with multi-module projects
• Deep understanding of the Android SDK
• Solid knowledge of SOLID principles, Clean Architecture, and MVI/MVVM patterns
• Strong focus on writing high-quality, clean, and testable code
• Experience with Dagger 2 / Hilt
• Practical experience with third-party libraries such as Room, Retrofit, OkHttp, Glide, etc.
• Intermediate English or higher

Would be a plus
 

• Strong interest in modern software development trends
• Experience with CI/CD pipelines
• Knowledge of mobile application performance optimization techniques

What we offer

• Care and support: 
• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine

• Comfortable working environment:
• Work from our Kyiv hub or remotely with a flexible schedule 
• Modern equipment or depreciation of your own tools

• Investment in your future:
• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events

Hiring process

• Intro call
• Technical interview
• Final interview 
• Reference check
• Offer

We have built a global connection platform that’s been thriving since 2019: today it brings together 600K MAU and 25K DAU, with around 7K new registrations every day. People across the US, Canada, UK, Europe, and the Middle East choose us daily to make real connections that matter.

Our clear ambition is to outperform competitors and become Top-1 in our category, and we are moving fast to make it happen. We are building the future of human connection through:

• AI-powered matching that actually works

• Scalable revenue streams, exploring streaming, new monetization models, and acquisition channels that truly convert

About your role: This role is for a Senior Android Engineer who wants to work with real scale, meaningful technical complexity, and visible product impact. You’ll build a mobile product used by 1M+ users across Tier-1 markets, with full technical ownership over features and architectural decisions. You’ll join a mature Android team with strong engineering standards, advanced code review, a well-established CI/CD setup, and a codebase evolving toward Kotlin Multiplatform.

In this role, you will

• Own and deliver Android features end to end, from decomposition and technical design to implementation and release
• Continuously improve the product through regular technical enhancements and refactoring
• Collaborate closely with other Android engineers, backend developers, and product teams
• Participate in advanced code reviews and contribute to shared engineering standards
• Work within a well-established CI/CD ecosystem with testing, code quality checks, and conventions
• Prepare and adapt the project architecture for future KMP integration

It’s all about you

• 4+ years of commercial experience in Android development
• Strong understanding and practical application of SOLID principles
• Production experience with Kotlin and KSP
• Experience working with Clean Architecture
• Hands-on experience with modularized Android projects
• Experience with MVI and the ability to design solutions based on product requirements
• Strong knowledge of MVVM
• Practical experience with Jetpack Compose and understanding of the composition process
• Confident use of Kotlin Coroutines
• Experience with Koin for dependency injection
• Skills in application profiling and performance optimization
• Experience working with Google Billing services

Will be a plus

• Experience or interest in Kotlin Multiplatform
• Experience with CI/CD pipelines and optimization processes

What we offer

Care and support: 

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Maternity recovery support allowance
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule 
• Modern equipment or depreciation of your own tools

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events
   

Hiring process

• Intro call with recruiter
• Technical Interview
• Final Interview
• Reference check
• Offer

We are looking for a Middle Android Engineer (Lviv only) to join our team! The engineer will independently own, maintain, and deliver assigned tasks, contributing to feature development, supporting existing functionality, and working within the established architecture and development processes.

Responsibilities:

• Develop and maintain features for a native Android application
• Independently own, manage, and deliver assigned tasks
• Collaborate with UX/UI, QA, and iOS teams to implement product requirements
• Follow existing application architecture, workflows, and development processes
• Participate in requirements clarification and task estimation
• Contribute to code reviews and incorporate feedback
• Write clean, maintainable, and well-structured code
• Support and maintain existing functionality, including bug fixing 
• Design and implement modules of moderate complexity following established patterns
• Use dependency injection within the existing project setup
• Follow source control best practices (branching, merging, pull requests) 
• Ensure tasks are delivered according to acceptance criteria and quality standards 
• Write tests according to team practices
• Use debugging tools effectively to identify and resolve issues

Requirements:

• 3+ years of commercial Android development experience
• Solid knowledge of Kotlin and Java (OOP, generics, interoperability basics)
• Strong understanding of Android fundamentals (lifecycle, UI components, navigation, ViewModel, LiveData)
• Familiarity with common Android libraries and development tools
• Good understanding of concurrency, including Coroutines 
• Experience working with REST APIs and networking basics
• Familiarity with local data storage (Room, SharedPreferences, file storage)
• Understanding of software design patterns (MVVM, MVP) within an existing architecture
• Experience with dependency injection frameworks (e.g., Koin, Hilt, or similar)
• Basic knowledge of unit and UI testing 
• Experience working in Agile/Scrum environments
• Ability to work within a defined architecture and follow established development practices
• Ability to identify and fix issues, escalating complex cases when needed
• Strong communication skills and the ability to clearly report progress and blockers 
• Proactive mindset with a focus on learning and continuous improvement
• Ability to work effectively in a team and contribute to knowledge sharing
• Upper-Intermediate level of English

Nice to Have:

• Experience with BLE
• Exposure to VoIP / OTA / JNI
• Basic experience using AI tools in development workflows

🔥  We’re looking for a highly motivated Android Software Developer to join our team in a fully remote position. In this role, you will build a consumer-facing Android mobile application that seamlessly connects people with clinicians, enabling high-quality home examinations and diagnoses. You will be involved in the full development lifecycle, from feature design to implementation and testing, working closely with cross-functional teams.

About the project:

TytoCare is transforming how care is delivered by enabling leading health plans and health systems to provide remote physical exams, helping close the care gap. TytoCare’s Home and Pro Smart Clinic solutions extend high-quality care into homes and community settings, including schools, work sites, urgent care centers, and rural clinics, while leveraging proven engagement models and one of the world’s largest proprietary multi-modal clinical datasets—built from millions of real-world encounters—to power our FDA-cleared, award-winning AI.

Founded in 2012, TytoCare is trusted by more than 240 leading organizations across the U.S., Europe, Asia, Latin America, and the Middle East. Our partners consistently see utilization rates six times higher than traditional telehealth, an average 8.5% reduction in total cost of care, and 11.3% fewer Emergency Department visits, with an average NPS of 83.

Key responsibilities:

• Develop a consumer-facing mobile Android application that connects users with clinicians for remote examinations and diagnosis;
• Participate in the technical design of features;
• Develop features according to agreed-upon estimates during planning sessions;
• Perform development testing to ensure features meet all acceptance criteria;
• Collaborate with team members and stakeholders;
• Stay up to date with new technologies and continuously learn;
• Participate in daily team communication.

Requirements:

• BSc in Computer Engineering / Computer Science or equivalent;
• Strong knowledge of OOP / SOLID principles;
• Proficiency in Kotlin, including best practices for Android development;
• Strong understanding of data structures and algorithms, with the ability to optimize app performance;
• Experience with multithreading and asynchronous programming in Android;
• Hands-on experience with Android SDK (activities, fragments, services, broadcast receivers, content providers, etc.);
• Familiarity with Android lifecycle management and lifecycle-aware components;
• Experience with Dagger2 (dependency injection), Retrofit (REST APIs), and RxJava (asynchronous programming);
• Understanding of Android UI principles, custom UI elements, animations, and interactive UX;
• Experience with Git (branching, merging, conflict resolution);
• Strong communication skills (English B2+).

Nice to have:

• Knowledge of AWS infrastructure;
• Familiarity with Clean Architecture and design patterns;
• Experience with testing frameworks such as JUnit, Mockito, and Espresso.

What we offer:

• Full remote;
• Competitive salary, based on your expectations and the results of a technical interview;
• Medical insurance;
• 20 working days of vacation per year;
• 10 days of sick leave without a doctor’s certificate;
• Working with a team of top developers;
• Opportunities for professional growth and development;
• The chance to contribute to cutting-edge digital innovation in a rapidly growing industry.

Hiring stages:

• Short screening interview
• Introductory technical interview (1 hour)
• Technical interview with the project lead (1.5 hours)
• Join the team and help shape an exciting future!

Are you an Android Developer with 3+ years of experience, ready for new opportunities?

We are looking for an experienced Android Developer to collaborate with Octy on mobile projects for our international clients.

Please note: This position is part of our pre-hiring process for upcoming projects.

​​

Required Skills

• Proficiency in Kotlin or Java for Android development
• 3+ years of experience building native Android applications
• Strong knowledge of Android SDK and core components (Activities, Fragments, Services, Broadcast Receivers)
• Experience with REST APIs and JSON parsing
• Knowledge of local data storage (Room, SQLite, or Realm)
• Familiarity with Git for version control

Nice to Have

• Experience publishing apps to Google Play
• Basic experience with CI/CD tools (Gradle, Jenkins, GitHub Actions, Bitrise)
• Familiarity with dependency injection frameworks (Dagger/Hilt, Koin)
• Understanding of reactive programming (RxJava, Kotlin Coroutines/Flow)
• Knowledge of app performance optimization and debugging tools (Android Profiler, LeakCanary)

What We Offer

• Opportunity to be considered for positions with our international clients
• Professional support during the selection and onboarding process
• Access to a knowledge base and internal materials to improve your expertise
• English courses with a native speaker at no cost to improve professional communication
• Coverage of AI tool expenses to improve your workflow and efficiency
• Ongoing technical support from our team

Hiring Process

1. Introductory call with a recruiter
2. Tech Q&A session
3. Product guidelines & test
4. Reference check 

Once these stages are completed, you may be considered for upcoming projects.

Your next opportunity starts here — become part of our friendly team.

We are looking for a skilled Middle Android developer with 3+ years of professional experience to join our project for working on enterprise-level project from the Canada

Requirements

Must have

• 3+ years of commercial experience in native Android development (Kotlin/Java)
• Experience in developing and maintaining Android applications
• Understanding of SOLID, OOP and Clean Architecture principles
• Experience working with REST APIs, HTTP/HTTPS and JSON
• Ability to read and write technical documentation
• Great personal and communication skills

• English level - at least Intermediate Strong

   

Will be a plus

• Experience publishing and maintaining apps in Google Play
• Experience writing unit/integration test
• Experience with AWS or Azure

About Project

Product

Our customer is one of the world’s most successful hotel companies. Hotel has 118 properties in 47 countries. For the second consecutive year, the hotel was named the Best Luxury Hotel Chain in the world by Business Traveller magazine.

Stage

Ongoing product ecosystem with continuous scaling and active development. Modern tech stack, no legacy.

Project team

Our technical team will consist of 8 people: Team Lead, PM, BA, Senior Node.js developer, Middle React developer, Senior iOS developer (this role), Middle Android developer, Senior QA Automation Engineer.
We also collaborate with a large Salesforce team on our side (up to 40 people)

Work Schedule

Full-time workweek (Monday to Friday), 40 hours.Opportunity to work remotely, from the office (Kyiv, Lviv, Dnipro), or in a hybrid format.

Interview Stages

• Сall with Recruiter (30 minutes)
• Interview with our Senior developer
• Technical Assessment with the Client
• Cultural Fit Interview with the Client

• Location: Remote
• Department: Mobile Team
• Employment Type: Full time

About Keyo:

Keyo is pioneering the next generation of identity infrastructure - a network that enables seamless, secure, and privacy-first authentication for individuals worldwide. By combining privacy-centric palm recognition technology with a decentralized approach to identity, Keyo empowers users to prove who they are - anywhere, instantly, and without friction.

We take an integration-first approach, allowing businesses to seamlessly incorporate a secure, privacy-centric biometric solution into their services. Our platform unites hardware, software, and infrastructure to enable trustless identity verification, making payments, access control, and authentication effortless.

With a commitment to security and compliance, Keyo is redefining what it means to own and control your identity in both the digital and physical worlds.

Apply to this job if the above excites you - if you’re ready to join a team driven by a bold vision that will take time, dedication, and innovation to achieve. We are an intentionally international team, fostering a product culture of extreme ownership, strong teamwork, and technical excellence in problem-solving.

About the Role

As an Android Mobile Developer, you will be responsible for designing, developing, and maintaining secure and scalable mobile applications. You will work closely with an international, cross-functional team, bringing curiosity and a learning mindset to tackle complex challenges. The ideal candidate writes clean, maintainable code, follows best security protocols, and is eager to stay up to date with the latest Android development trends.
 

Key Responsibilities:

• Android App Development:
  • Design, develop, and maintain secure, scalable Android applications with a focus on mobile wallets and identity solutions.
  • Write clean, efficient, and well-documented code, following best practices and architectural guidelines.
  • Implement intuitive UI/UX experiences that ensure smooth user interactions.
  • Design, develop, and maintain Kotlin Multiplatform applications.
  • Implement user interfaces using Jetpack Compose, optimizing for performance and usability.
• Security & Best Practices:
  • Follow and implement industry best practices for security, data protection, and encryption.
  • Ensure compliance with security standards for handling sensitive user information.
  • Work with backend teams to integrate secure authentication and payment solutions.
• Collaboration & Learning:
  • Work in a diverse, international team with engineers, designers, and product managers.
  • Stay up to date with emerging Android development trends and continuously improve coding and architecture practices.
  • Participate in code reviews, technical discussions, and knowledge-sharing sessions.
• Testing & Optimization:
  • Write unit and integration tests to ensure app reliability and maintainability.
  • Optimize application performance for a seamless user experience across various Android devices.

Qualifications:

• Technical Skills & Experience:
  • 3+ years of experience in Android development, building and shipping production-level applications.
  • Proficiency in Kotlin/Java and Android SDK.
  • Experience working with mobile wallets, payment systems, or identity-related applications.
  • Strong understanding of security best practices, including encryption, secure storage, and authentication protocols.
  • Familiarity with Jetpack components, MVVM architecture, and dependency injection frameworks (e.g., Hilt/Dagger).
  • Experience with RESTful APIs, WebSockets, and real-time data synchronization.
  • Knowledge of local storage solutions.

• Soft Skills & Mindset:
  • Curious and open to learning, willing to explore new technologies and development approaches.
  • Strong problem-solving skills and ability to work in a fast-paced environment.
  • Comfortable working with an international, remote-friendly team across different time zones.
  • Excellent communication skills and ability to collaborate with cross-functional teams.

Preferred Qualifications:

• Experience with biometric authentication in mobile applications.
• Familiarity with CI/CD pipelines, automated testing, and DevOps tools for mobile development.
• Experience with digital identity, or decentralized technologies is a plus.

What We Offer

• Remote-first Work Environment
• Growth Opportunities
• Competitive Compensation
• Work at a mission driven company with team members from around the world

How to Apply

Start your application with the word banana 🍌 - this helps us confirm that you’ve read the job description and understand the requirements.

To apply:

• Submit your resume.
• If you advance past the second interview, you’ll be asked to walk us through a project you’ve completed.
• All interviews require your camera to be turned on.

Important:

Reading from any AI agent during the interview will immediately end the call. We fully embrace AI as a tool for engineers, but we need critical thinkers. Show us that you’re a great fit by demonstrating extreme ownership, strong teamwork, technical excellence, and problem-solving skills.

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally. 

We're looking for an Android Developer to join us and continue the evolution of a product that we love: someone who takes pride in their work to ensure that user experience and development quality are superb. You will be able to develop the apps in the best hardware company of Ukraine with around 400m active users around the world. Moreover, very soon you will have a chance to start several new products from scratch.

Required skills:

• 5+ years of experience in Android development
•  A strong familiarity with Java and Kotlin
• Good understanding of the Android ecosystem
• Familiarity with Android SDK: basic concepts like layouts and views, activities and fragments and their lifecycle, storing data
• Practical experience with Kotlin Coroutines
• Proficiency in Jetpack Compose for modern UI development
• Experience with ORM frameworks and Android Jetpack Components
• Strong understanding of code versioning tools (Git) and experience with Gradle
• Strong understanding of the full mobile development life cycle, OOP principles, design patterns 

• Passion for software engineering, learning and continuous improvement

   

Would be a plus:

• Gradle knowledge, custom plugin development, build optimization, CI/CD pipelines, and release management
• Writing unit tests
• Practical experience with video streams
• Experience with MVVM/MVI patterns
• Experience with github actions

• Experience with third-party libraries, APIs (Firebase) and custom frameworks

   

Tasks and responsibilities:

• Follow high standards of software quality established in the team
• Design, build, and maintain high performance, reusable, and reliable code
• Suggest technical and functional improvements to add value to the product

• Collaborate with cross-functional teams to define, design, and ship new application features

   

With us, you will enjoy:

• Working with a team of people to build the future of an industry
• Non-trivial challenges and the various specter of interesting tasks
• A flexible, friendly, and collaborative work environment
• Corporate culture based on common sense
• Opportunities to influence the creation of new products and their quality 
• Parking for cars and bicycles

• Medical insuranceEducation compensation
  
  We offer:

   

• the opportunity to share and implement your own ideas that could impact products and production;
• work with a motivated team and an environment with a zero-bullshit culture;
• competitive salary;
• medical insurance;
• corporate English classes;
• compensation for professional training;
• the chance to take part in beta testing of Ajax security systems — receive and test new devices before their release.

Our Customer:

A global technology company developing real-time video augmentation and rendering infrastructure for broadcast and streaming environments.

Responsibilities:

• Design and implement a native video playback extension that augments HLS streams at runtime across platforms such as Android (ExoPlayer), webOS, Roku, and others;
• Build and maintain a cross-platform rendering layer using OpenGL for real-time video frame processing and compositing;
• Integrate GPU-based overlays and visual transformations directly into the playback pipeline with strict frame-accurate synchronization;
• Develop device-aware architecture to handle platform-specific decoding, rendering surfaces, hardware acceleration constraints, and performance tuning;
• Integrate external SDKs and APIs alongside an internal AR/graphics processing pipeline;
• Optimize rendering performance, memory usage, and latency under real-time streaming constraints;
• Collaborate with QA and Product teams to validate rendering accuracy, synchronization precision, and cross-device stability.

Required experience and skills:

• Strong hands-on experience with OpenGL (mandatory, core skill), including shader programming and GPU pipeline understanding;
• Solid knowledge of real-time rendering concepts (frame buffers, textures, shaders, synchronization, GPU/CPU interaction);
• Experience integrating OpenGL with native video playback surfaces;
• Strong experience with Kotlin for Android development;
• Practical experience with HLS streaming internals and playback customization;
• Strong understanding of video decoding/rendering pipelines and frame timing control;
• Experience with native video players on at least one of the following platforms: Android (ExoPlayer), webOS, RokuTV;
• Experience implementing low-latency video overlays and graphical composition;
• Understanding of hardware acceleration and performance optimization on embedded/TV devices;
• Proven background in full-cycle software engineering (integration, profiling, debugging, optimization);
• English — Upper-Intermediate+.

THE ROLE

We currently have an extremely exciting position open for an Lead Android Mobile Application Developer who will be taking a key role in building and maintaining our Android mobile app. We’re looking for talented & passionate individuals who have demonstrable commercial experience (3 years+) of building Android Mobile apps from inception through to release and onwards.

REQUIREMENTS

- Outstanding technical knowledge of mobile application development.

- Strong commercial development experience using Kotlin/Java and Android.

- Experience in developing user interfaces and collaborating with UX/UI designers

- Experience integrating with back-end web services using REST/JSON APIs

- Experience of Google Play Store management

- Experience working as part of an Agile / Scrum team

ROLES AND RESPONSIBILITIES

- Maintaining and improving our existing mobile applications.

- Participate in the full software development life cycle (including support and continuous integration) and ensure the required level of device compatibility.

- Work closely with the web / development / design team to add new features and functionality.

- Submissions to the Google Play Store.

Applefy, a leading Mobile & Web Development company, is looking for a talented Android Developer to join our dynamic team on an ongoing project. 
This is a fantastic opportunity for a developer passionate about building high-quality mobile applications and wanting to grow their skills in a flexible and supportive environment.

What We Offer:

• Flexible work schedule: Manage your own time and work at your own pace.
• Fully remote: Work from anywhere in the world.
• Comprehensive leave policy: Enjoy all official holidays, 20 days of paid vacation, and 10 sick days without needing a doctor’s note.

Key Requirements:
• Strong communication skills
• Proficiency in spoken English
• 1+ years of experience with Android & Kotlin
• At least two years of experience in product development
• Solid understanding of UI/UX principles
• Keen attention to detail
• A desire to learn and grow professionally

Preferred Qualifications:
• MacBook (ARM processor) & iPhone owner
• Residency in Ukraine 🇺🇦

If you’re ready to take the next step in your career with Applefy, we’d love to hear from you!
 

We are looking for a Senior Android Software Engineer to spearhead feature development and architectural maintenance for a flagship enterprise banking application. This isn't just about shipping code; it’s about navigating the complexities of a high-security, high-concurrency environment where stability is as critical as innovation.

As a senior consultant, you will be the technical anchor for the mobile roadmap, translating abstract business goals into robust, high-performance Android features.

Technical Stack & Requirements

The Core (7–10 Years Experience):

• Android Mastery: Extensive experience building and scaling enterprise-grade applications using Kotlin and Java.
• Engineering Fundamentals: Deep-rooted understanding of clean architecture, design patterns, and SOLID principles.

The Toolkit (5+ Years Experience):

• Modern Android Stack: Expert-level command of Jetpack Compose, Dagger2, Android SDK, and Google Support Libraries.
• Reactive & Asynchronous: Extensive hands-on experience with RxJava, complex threading, and concurrency management.
• Data & Integration: Proven track record of integrating REST and GraphQL APIs into seamless mobile experiences.
• Version Control: Advanced Git proficiency within a collaborative team environment.

The Polish:

• UI/UX: 3+ years applying Material Design guidelines to create intuitive, accessible interfaces.
• Proven Delivery: At least one major application successfully published and maintained on the Google Play Store.

Your Impact

• Architectural Ownership: Take full responsibility for the mobile roadmap, ensuring new features coexist perfectly with existing legacy systems.
• Consultative Leadership: Act as a technical mentor, solving ambiguous problems and making high-stakes trade-offs that balance speed with system health.
• Performance Optimization: Dive deep into reactive flows and threading to ensure the app remains responsive under heavy enterprise loads.
• Engineering Hygiene: Maintain rigorous standards for code quality, documentation, and API integration.

Our Customer:

A global technology company developing real-time video augmentation and rendering infrastructure for broadcast and streaming environments.
 

Responsibilities:

• Design and implement a native video playback extension that augments HLS streams at runtime across platforms such as Android (ExoPlayer), webOS, Roku, and others;
• Build and maintain a cross-platform rendering layer using OpenGL for real-time video frame processing and compositing;
• Integrate GPU-based overlays and visual transformations directly into the playback pipeline with strict frame-accurate synchronization;
• Develop device-aware architecture to handle platform-specific decoding, rendering surfaces, hardware acceleration constraints, and performance tuning;
• Integrate external SDKs and APIs alongside an internal AR/graphics processing pipeline;
• Optimize rendering performance, memory usage, and latency under real-time streaming constraints;
• Collaborate with QA and Product teams to validate rendering accuracy, synchronization precision, and cross-device stability.
   

Required experience and skills:

• Strong experience with Kotlin;
• Strong hands-on experience with OpenGL (mandatory, core skill), including shader programming and GPU pipeline understanding;
• Solid knowledge of real-time rendering concepts (frame buffers, textures, shaders, synchronization, GPU/CPU interaction);
• Experience integrating OpenGL with native video playback surfaces;
• Practical experience with HLS streaming internals and playback customization;
• Strong understanding of video decoding/rendering pipelines and frame timing control;
• Experience with native video players on at least one of the following platforms: Android (ExoPlayer), webOS, RokuTV;
• Experience implementing low-latency video overlays and graphical composition;
• Understanding of hardware acceleration and performance optimization on embedded/TV devices;
• Proven background in full-cycle software engineering (integration, profiling, debugging, optimization);
• English — Upper-Intermediate+.
   

Working conditions

5-day working week, 8-hour working day;

All UA public holidays are days off;

Vacation and sick leave are covered by the company;

Remote work.