Jobs

Hi! We are looking for a highly motivated Android Developer, to join our fast-growing team. We are eager and creative professionals, who like challenges.

If you like it too, don’t hesitate, join us!

Responsibilities:

Develop an application from scratch

Complete high-quality work with thoroughness and accuracy to achieve results

Deliver results using standards and procedures

Paying attention to details

Complete tasks in the Agile environment

Bug fixing (if needed)

Participation in daily meetings

Communicate with the client and the product development team

Requirements:

At least 6 month experience

Experience with Kotlin, Android SDK, Android Jetpack (Navigation, ViewModel, LiveData, Room, Paging, WorkManager)

Good knowledge of Git, Git Flow

Good knowledge of OOP/OOD 

Understanding of design patterns, refactoring, and code smells

Experience with third-party libraries and APIs

Experience with MVC/MVP/MVVM 

Experience with Core Data or Realm

Experience with a dependency manager

Experience with Networking, REST Client API, JSON and XML, Animations

Basic knowledge of Gradle, multithreading, reactive programming

Understanding of Design Material

Will be a plus:

Experience with reactive programming (RxAndroid / RxKotlin)

Experience with TDD/BDD

Experience with Analytics

Experience with Push Notifications

Experience with BaaS(Firebase, Sashido)

Experience with Kotlin coroutines

English level — at least intermediate

What we offer:

Competitive salary

Work day (09:30 - 18:30)

Paid vacations and sick leave

Remote work

Challenging and interesting projects

Flexible working hours

Comfortable office

Corporate events

Other: english classes, social events, coffee, etc.

Skylum allows millions of photographers to make incredible images faster. Our award-winning software automates photo editing with the power of AI yet leaves all the creative control in the hands of the artist.
Join us on our mission to make photo editing enjoyable, easy, and accessible to anyone. You’ll be developing products with innovative technologies, providing value and inspiration for customers, and getting inspired in return.

Thanks to our incredible team of experts, we’ve built a collaborative space where you can constantly develop and grow in a supportive way. At the same time, we believe in the freedom to be creative. Our work schedule is flexible, and we trust you to give your best while we provide you with everything you need to make work hassle-free. Skylum is proud to be a Ukrainian company, and we stand with Ukraine not only with words but with actions. We regularly donate to various organizations to help speed up the Ukrainian victory.

Main goals:

Create and develop the world’s best creative image and video editor with an innovative UX for Android and Chrome OS platforms. Implement new UX for making creative content on mobile devices. Integrate new AI photo editing technologies.

Your tasks will be:

• Design and build applications for the mobile platforms from scratch;
• Do technical design and develop features on a daily-basis;
• Take part in the UI/UX design of mobile apps;
• Requirements analysis and features estimation;
• Collaborate with a team of developers, Technical Product Owner, and Project Manager to define, design, and ship new features or improvements.

Skills we looking for:

• 3+ years of experience in an Android Developer role and will have functioned as lead on diverse development projects;
• Expert knowledge of Android platform;
• A strong advocate of testing and quality conscious;
• In-depth knowledge of software engineering principles and design, SOLID, and OOP;
• Experience in building flexible and reusable systems;
• Experience with mobile platforms, operating systems, and infrastructure;
• The applicant is able to quickly learn, comprehend and use new information in work.
• The applicant has a desire for constant development; they follow new technologies and market approaches and maintain a high knowledge level.
• Good written and verbal communication skills (English B2+)

Would be a plus:

• ChromeOS development experience;
• Fluency with iOS and Swift;
• Cross-Platform development experience;
• Working experience with C/C++;
• Experience in profiling and optimisation.

What we offer:

For personal growth:

• A chance to work with a strong team and a unique opportunity to make substantial contributions to our award-winning photo editing tools;
• An educational allowance to ensure that your skills stay sharp;
• English and German classes to strengthen your capabilities and widen your knowledge.

For comfort:

• A great environment where you’ll work with true professionals and amazing colleagues whom you’ll call friends quickly;
• The choice of working remotely or in our office space located on Podil, equipped with everything you might need for productive and comfortable work.

For health:

• Medical insurance;
• Twenty-one days of paid sick leave per year;
• Healthy fruit snacks full of vitamins to keep you energized.

For leisure:

• Twenty-one days of paid vacation per year;
• Fun times at our frequent team-building activities.

Samsung R&D Institute Ukraine is looking for a passionate and collaborative Mobile Assessment Engineer to join our team in Kyiv.

If you love working directly on consumer-facing products we are glad to meet you at our team in Samsung R&D Institute Ukraine.

 

More specifically, you will provide White & black-box software vulnerability assessment of Android components:

— security review of Android mobile applications and firmware components

— risk analysis and security issues mitigation advisory

— exploitability Proof-of-Concepts development

— emerging threats research: new attack methods, (un)known security issues risks

Security validation is typically executed in 1-2 months iterations.

Major Requirements:

— in-depth understanding of Android security architecture and typical security issuesin-depth understanding of Android security architecture and typical security issues

— practical experience in reverse-engineering (preferably *.apk and ARM binaries), software exploitation, binary and source code audit

— knowledge of Linux Kernel security architecture and Android-specific add-ons (IPC, SE Android, application security framework)

— ability to understand execution logic in C/C++, Java, Assembler; scripting skills

— good technical English, strong reporting and communication skills

Optional Requirements:

— security background (University, relevant prior employment)

— participation in security contests (CTF), own write-ups publications, community activities

— hands-on experience with assessment automation tools (fuzzers, static source code analyzers)

— experience in reversing ( IDA Pro, JEB) reversing protected solutions (obfuscated/ packed code)

— applied crypto: knowledge of existing algorithms and protocols (AES/RSA/ECC/SHA, authentification/key exchange, digital signature, SSL/TLS)

— software exploitation experience

— awareness of security-related standards and best practices

Working Conditions:

— GIG contract

— remote work is possible as well as work in Kyiv office

Benefits:

— competitive salary, annual salary review, annual bonuses

— paid 28 work days of annual vacations and sick leaves

— opportunity to become an inventor of international patents with paid bonuses

— medical & life insurance for employees and their children

paid lunches

— discounts to Samsung products, services

— regular education and self-development on internal courses and seminars

— hybrid work format, working in office is required for some tasks

This is a unique opportunity for a Senior Android Developer to take a leap forward in their career by working on a brand-new application built with KMP. You will be at the forefront of mobile development, leveraging cutting-edge technologies to create a scalable, high-performance product in the social networking niche from scratch. Joining us means embracing the next evolution of Android development while expanding your expertise in cross-platform solution!

In this role, you will

• Develop and maintain modern features
• Integrate with external APIs and services
• Optimize application performance
• Implement modern architectural solutions (e.g., MVI, KMP)
• Collaborate with a cross-functional team
   

It’s all about you

• 4+ years of experience in Android development
• Strong proficiency in Java and Kotlin
• Experience with Compose
• Deep understanding of Clean Architecture, MVVM, MVI, and the ability to design solutions based on requirements
• Strong expertise in Jetpack Compose and the composition process
• Proficiency in Compose Navigation
• Strong understanding of Coroutines
• Solid experience with Koin
• Strong adherence to SOLID principles
• Experience with modularization and Kotlin Serialization
• Knowledge of Camera and Media APIs
• Experience working with ecosystem or remote project architecture
• English proficiency at B1-B2 level 
• Excellent communication skills
• Ability to work in a team, take responsibility, and show initiative
• Result-oriented mindset with the ability to solve problems in a multitasking environment
   

Would be a plus

• Experience with Kotlin Multiplatform
• Understanding of streaming principles
• Experience with CI/CD and optimization processes
• Experience with iOS development
• Previous work in Agile/Scrum teams
• Experience as a Feature Owner (investigation, decomposition, presentation)

What we offer

Care and support: 

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• 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 
• Workspace rental reimbursement in other cities and abroad
• 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
• Tech Interview
• Final Interview
• Reference check
• Offer

Nanit is the first smart monitor to merge computer vision with data-backed sleep science, to produce the most advanced and secure camera technology ever introduced to the home. Nanit is combining computer vision, machine learning, and advanced camera sensors to measure a baby's sleep cycle by providing actionable insights that lead to improved sleep for the entire family. We are a dynamic VC-backed startup with proven products, marquee investors and a terrific team of people.

What will you do:

As an Android Developer at Nanit, you will use your creativity, excellent problem solving, and technical skills to design, implement, test and deploy an Android application end to end. You will work at all layers of the stack and work closely with QA, designers, product managers and other engineering teams on complex and immersive projects. You will perform code reviews, evaluate implementations, and provide feedback. You will stay ahead of the curve of the constantly evolving development ecosystem.

Our team is already pushing the boundaries of mobile development with Kotlin Multiplatform (KMP) and Compose for iOS - so if you have experience with KMP or are eager to learn, we'd love to hear from you!

Requirements: 

• 3+ years of experience developing high quality native Android applications.
• Experience in building, testing and publishing mobile apps.
• Strong understanding of Google’s clean architecture guidelines.
• Excellent understanding of OOP concepts, multithreading and a strong passion for software development.
• Thrilled about user experience, testing and clean code.
• Able to lead an end-to end project and deliver flawlessly.
• Work experience with Kotlin programming - A must.
• Work experience with Jetpack Compose - A must.
• Work experience with streaming - An advantage.
• Work experience with Kotlin Multiplatform Mobile - An advantage.

Location: Poland (A MUST)

Applefy - Premium Web & Mobile Development Company.

We specialize in building high-quality Mobile and web products, 
ensuring excellence in every project. 
Based in Ukraine and the EU, we can effectively collaborate with European, US, and Asian clients.

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
• 3+ years of experience with Kotlin 
• Experience with Coroutines & Reactive Programming
• Solid understanding of UI/UX principles
• Keen attention to detail
• Ukrainian speaker 

Preferred Qualifications:

• A desire to learn and grow professionally
• At least two years of experience in product development
• experience with Compose
• Residency in Ukraine 🇺🇦

Write "Apple" in the proposal, if you’re ready to take the next step in your career with Applefy.
We’d love to hear from you!
 

What makes you a great fit:

• Experience building parental control features (e.g. app blocking, screen time tracking, lock modes)
• Strong Android fundamentals — Kotlin, services, background tasks, permissions
• Comfortable with Accessibility Service, Usage Stats Manager, and similar APIs
• Able to build clean, responsive UI/UX from Figma designs
• Works fast, communicates clearly, and delivers without constant supervision
• Ability to work independently, make architecture-level decisions, and move fast without constant input.

• Comfortable working with existing backend and adjusting Android-side logic accordingly.

   

Nice to Have:

• Experience with kiosk mode, app lockers, or custom launchers

• Past projects with security, focus tools, or kids’ apps

   

Your day-to-day in this position:

• Build and maintain parental control features such as app blocking, screen time limits, and lock modes
• Implement background services and system-level integrations using Android APIs (e.g. Accessibility Service, UsageStatsManager)
• Develop responsive, user-friendly UI from Figma designs
• Integrate with an existing backend and handle permission workflows reliably
• Collaborate directly with the product team, suggest improvements, and take ownership of implementation

• Deliver high-quality code quickly and independently, with minimal oversight

   

What makes this project exciting:

Join our client in building a socially responsible AI tool designed to help parents empower their children in an era where digitalization and artificial intelligence shape every aspect of life. This innovative app allows parents to tailor the experience to their child’s unique needs, ensuring a highly personalized approach to learning and self-growth.

What makes this project truly special is its visionary founder—a former Head of Product at Facebook and Instagram. He brings deep industry expertise and a track record of success.

If you’re eager to turn bold ideas into reality, explore the open positions below and be part of something transformative!

Our next steps:

✅ Intro call with a Recruiter — ✅ Interview with CEO — ✅ Technical interview — ✅ Offer

Who We Are:
Website: more about us and vacancies
Instagram: follow MWDN’s life
Facebook: follow our FB
Feel free to contact us without any hesitation!

Responsibilities:

• Reverse-engineering Android applications (APK analysis)
• Extracting client-server interaction logic (request analysis)
• Bypassing protections, encryption, anti-debugging, and root/emulator checks
• Creating scripts and full-fledged tools to automate interaction with the app
• Integrating developed solutions into existing systems
• Documenting solutions and analysis results

Candidate Requirements:

Mandatory:

• At least 2 years of experience in reverse engineering
• Proficiency in C/C++, Python, Java, and Assembly
• Experience with tools like IDA Pro, Ghidra, OllyDbg, JADX, or similar
• Knowledge of Android architecture and APK structure
• Familiarity with network protocols
• Strong analytical thinking and attention to detail
• Ability to write working scripts and automation tools in Python (or other languages)

Desirable:

• Experience with Frida, Xposed, Objection
• Understanding and bypassing SSL pinning
• Knowledge of cryptography and data protection methods
• Experience working with mobile apps and systems

Conditions:

• Remote work
• Flexible schedule
• Competitive compensation (negotiable)
• Long-term collaboration
• Work in a team of strong technical experts
• Engaging and non-routine tasks — minimal repetitive work

Project overview

Our client is a market leader in time and attendance solutions, helping thousands of businesses across Brazil improve transparency, save costs, and simplify workforce management. Their platform integrates with major payroll systems and devices, supporting companies of all sizes since 2017.

We are looking for a skilled Native Mobile Developer to join the team, focused on building and maintaining native Android and iOS applications. You will work with modern technologies, deliver high-quality solutions, and help scale the platform globally.
 

Requirements:

● Bachelor’s degree in Computer Science, Engineering, or a related field.
● Proven experience in developing native mobile applications for both Android and iOS platforms.
● Advanced proficiency in Kotlin for Android development.
● Experience with AndroidX components (ViewModel, Navigation, WorkManager).
● Proficiency with Gradle.
● Experience with Room (relational DBs) or Realm.
● Strong understanding of mobile app architecture and design patterns (MVVM, etc.).
● Familiarity with RESTful APIs to connect mobile applications to back-end services.
● Knowledge of UI/UX standards for mobile applications.
● Experience with version control systems such as Git.
● Upper-Intermediate (B2)+
 

Nice to have:

● Proficiency in Swift for iOS development.
● Experience with SwiftUI.
● Experience with continuous integration and continuous deployment (CI/CD) for mobile applications.
● Knowledge of mobile application security best practices.
● Familiarity with cloud services and integration (Firebase, GCP, etc.).
● Experience with Compose.
● Experience with Koin (DI).
● Experience with Retrofit.
● Experience with Kotlin Multiplatform for shared business logic.
 

Responsibilities:

● Design, develop, and maintain native mobile applications for Android and iOS platforms.
● Collaborate with cross-functional teams to define, design, and ship new features.
● Ensure the performance, quality, and responsiveness of applications.
● Identify and correct bottlenecks and fix bugs.
● Help maintain code quality, organization, and automation.
● Stay up-to-date with the latest industry trends, technologies, and best practices.
 

We offer:

• 20 vacation days (workdays)
• 7 sick days
• Personalized career growth
• Internal English classes
• Education reimbursement
• Corporate events and team building
• Equipment provided

We’re building advanced simulation infrastructure that mirrors how mobile environments behave — across Android and iOS — at scale.

This means designing environments that act like trusted users. With real signals. Real sensors. Real networks. And real control.

You’ll own the systems behind it.
The goal: simulate at depth, control the stack, and remove noise — all while remaining adaptable to what’s changing underneath.

🧠 What You'll Build

• Mobile environments that mimic real user behavior
  
   
• Fully controlled Android stacks (custom ROMs, rooted, virtualized, multi-instance)
  
   
• Environment variance systems: fingerprints, entropy layers, behavior profiles
  
   
• Simulation flows that reproduce sensor, network, and gesture realism
  
   
• Run hypothesis tests on setups to identify what breaks trust and what holds
  
   

Tooling to manage environments, rotate identity profiles, and log output signals
 

Hybrid | Kraków, Poland
Domain: Banking & Finance
Experience: 3+ years(Middle position), 5+ years(Senior position)
 

We're looking for an experienced Android Developer to join a hybrid team in Kraków, Poland, working on innovative products in the banking and finance sector. If you're passionate about building high-quality mobile apps and enjoy solving complex engineering challenges, we’d love to hear from you.

Requirements

Must-Have:

• 3+ years of commercial experience in Android development - Middle position
• 5+ years of commercial experience - Senior position
• Proficiency in Java and Kotlin
• Solid background in using Android Studio, Android SDK, and related tools
• Deep knowledge of Android architecture components and Jetpack libraries
• Strong understanding of RESTful APIs and JSON parsing
• Experience with RxJava or Kotlin Coroutines
• Familiarity with Dagger or Hilt for dependency injection
• Hands-on experience with Android UI best practices, Material Design, and custom views
• Understanding of Android data storage solutions such as Room and SQLite
• Skilled in writing unit and UI tests
• Experience with CI/CD tools (e.g., Jenkins, GitLab CI)
• Confident in using Git and version control
• Awareness of Android security standards and OWASP guidelines
• Performance optimization and memory management experience
• Familiarity with app deployment and Google Play Store policies
• Fluent English

What You'll Do

• Develop and maintain complex Android applications for a high-traffic environment
• Collaborate with cross-functional teams to deliver high-quality solutions
• Follow secure coding practices and contribute to performance improvements
• Be an active part of CI/CD workflows and maintain high code quality through automated testing

Tech Stack

• Android
• Java
• Kotlin
• RESTful APIs
• Android Studio
• Git
• CI/CD

We are looking for a Senior Android Developer who is confident working with Kotlin and Java, understands Clean Architecture, and has hands-on experience with MVVM, RxJava or Coroutines, and Room/SQLite.

This is an opportunity to join a product-driven team building communication and spam protection apps used by millions of users worldwide. 

The core product has over 20 million users in 200+ countries, with hundreds of millions of phone number scans and spam detections each year. 

Work format: 2 days remote, 3 days in the office in Kyiv (Podil district).

Responsibilities

• Participate in Android app development: fix bugs, add new features, and improve UX/UI.
• Refactor existing code to enhance stability, performance, and scalability.
• Collaborate with the product team to deliver new features and product ideas.
• Improve development processes and implement Android engineering best practices.

• Support app releases, testing, and improvements based on user feedback.

   

Requirements

• Strong knowledge of the Android platform
• Solid experience with Kotlin and Java
• Understanding of and practical experience with Clean Architecture
• Proficiency in RxJava or Coroutines, MVVM, and Dagger
• Working experience with SQLite and Room
• Familiarity with REST APIs, JSON, and XML
• Solid understanding of OOP principles
• A reliable team player with a strong sense of ownership
• English: Intermediate or higher (ability to work in an international team)

Nice to Have

• Experience with Git submodules and modular project structure
• Familiarity with library projects and reusable components
• End-to-end experience with the mobile development lifecycle
• Background in developing Caller ID, address book, or dialer applications

What We Offer

• Medical insurance
• 5 paid sick days + flexible schedule
• 20 paid vacation days
• Team-building events
• Happy hours, snacks, and drinks
• Ability to reschedule working days when needed

Key Responsibilities:

• Analyze APK files and decompile code
• Research native code (C/C++ via JNI)
• Identify and bypass protection mechanisms
• Perform dynamic analysis and runtime code modification
• Discover vulnerabilities and conduct security testing
• Develop custom reverse engineering tools

Requirements:

• 2+ years of experience in reverse engineering
• Strong knowledge of C/C++, Smali, Java, Assembler
• Proficiency with tools: IDA Pro, Ghidra, Binary Ninja, JADX, etc.
• Solid understanding of Android architecture and OS internals
• Knowledge of network protocols
• Analytical mindset and attention to detail

Company Description

We are changing the world of television by creating an innovative way to watch TV directly from the motherland anywhere around the world. We invite you to join our growing company and to contribute to the revolution of how people watch TV. Our employees are our pride and our most valuable asset. If you always dreamed of working in a fun environment with an open organization structure and solid management and your culture fits our culture then we are the right place for you!

COMPANY CULTURE

• Integrity is in our DNA
• Employees are our family
• We are young, very ambitious and dedicated to achieving success

We're looking for smart, ambitious, forward-thinking problem solvers with the same set of values to join our world-class team and help us make our company even better.

We're looking for individuals with strong product intuition who care about building software that meaningfully connects with people. Our ideal candidate is enthusiastic to create a totally new product and will be able to passionately dive into the project development from scratch and make an impact at all stages. We value engineering excellence alongside with a commitment to helping other team members succeed.

1. Job title and location: Senior Android Developer (Part-time/ task based)
2. Short Project description: You'll be working on the improvement of our Android app. We provide high-quality TV services in the USA. Our customers can watch their favorite national (Polish, Ukrainian, German, Turkish or Russian) TV channels and movies and TV series in their mother tongue.
3. Job description: Complete tasks from the backlog to improve the current app state - fixing bugs and completing new features
4. Qualifications:
   • 3+ years of Android Development experience
   • Experience with Kotlin and Java
   • Android SDK
   • Developing for both Android Mobile & Android TV
   • Bitbucket
   • Experience working with Exoplayer
   • Experience working with video streaming is a huge plus
5. Job Type: Part-time (5 hours a week/20 h per month)
6. Cooperation type: Contractor / Freelancer
7. Work schedule: Flexible. Task based
8. Suggested salary range: $20 an hour

A product company with FTSE 500 clients in 50+ countries around the world, is looking for a skilled Android Developer to join our team and take part in building a mobile application that powers a global SaaS agritech platform. 

You’ll work on geolocation-heavy features, offline-first architecture, performance-critical components — and help farmers around the world make better decisions.

Must-Have Skills:

• Android SDK
• Kotlin
• Kotlin Coroutines
•  Jetpack Compose
• SQLite
• 1–1.5+ years of commercial Android development

Will be a benefit:

• Experience with Java 
• Familiarity with Mapbox SDK (geospatial development)
• Knowledge of RxJava
• Experience with dependency injection: Dagger/Hilt or Koin
• Proficiency in testing tools: Mockito, JUnit, UI testing frameworks
• Experience with Android NDK
• Familiarity with profiling tools for performance and memory analysis

What exactly will you work with:

• Development of a mobile application that interacts with a SaaS platform for agronomic data processing
• Integration with geolocation and mapping services (Mapbox, GPS, etc.)
• Implementation of UI components using Jetpack Compose
• Working with offline data storage and synchronization
• Optimizing app performance using profiling tools and NDK where needed

The company offers:

• Opportunity to contribute to a best-in-class SaaS product used by thousands of companies globally
• Participation in challenging technical projects with a real impact on agriculture
• A collaborative environment where innovation and engineering excellence are valued
• Continuous learning through training and development programmes
• Flexible work format - remote, office or flexible
• Health and life insurance for employees and your family members
• 32 working days of paid annual leave and sick leave

Hiring process:

Intro call

Test Task

Final Interview

Offer

About Cropio
Cropio is a global leader in digital agritech solutions, operating in more than 50 countries and helping to optimize business processes and improve the efficiency of agronomic decision-making.
Cropio is a SaaS platform used by farmers, focused on computer vision, big data, and AI.

Working with Cropio means joining a team that delivers impact and tackles sophisticated challenges in the realm of machine learning, satellite data, and field-level precision farming.