CrawlJobs Logo
Tonsser Logo Tonsser · IT - Software Development

Senior Android Developer

65000.00 - 80000.00 EUR / Year · Job Posted April 20, 2026
Apply Position
Job Link Share

Job Description

Tonsser has spent 10 years building for young football players. Now we're expanding — and we're looking for a senior Android developer to help shape what comes next. If you care about craft, move fast, and want your work to matter to millions of athletes, keep reading. This starts as a 6-month freelance engagement with the clear intention of moving into a full-time position.

Job Responsibility

Join a small, focused team building a best-in-class companion app for the next generation of athletes

Requirements

  • Senior-level Android experience — you've shipped production apps and can own decisions end to end
  • Kotlin Multiplatform (KMP) — you've worked cross-platform (iOS + Android) and know where shared code helps and where it doesn't
  • Jetpack Compose — comfortable building modern declarative UIs at scale
  • Consumer app background — experience with video, animations, and the kind of polish that users actually notice
  • AI-integrated workflow — you've used AI tools in your day-to-day and can bring that mindset to the team
Tonsser - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Senior Android Developer

8 matching positions

Senior Android Developer

Location
Location
India , Yeshwanthpur
Salary
Salary:
Not provided
themuse.com Logo
The Muse
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree in Computer Science, Engineering, or related field (or equivalent practical experience)
  • 5+ years of Android application development experience
  • Strong proficiency in Kotlin and Java
  • Hands-on experience with Jetpack Compose
  • Experience with Android Architecture Components such as ViewModel, LiveData, and Room
  • Strong understanding of RESTful APIs, JSON, and API integrations
  • Knowledge of mobile application security principles and secure coding practices
  • Experience implementing OAuth 2.0, JWT, biometrics, or similar authentication protocols
  • Experience with Git and collaborative development workflows
  • Strong analytical, debugging, and problem-solving skills
Job Responsibility
Job Responsibility
  • Design, develop, and maintain enterprise-level Android applications using Kotlin, Java, and Jetpack Compose
  • Lead end-to-end mobile application development including architecture, development, testing, deployment, and post-release support
  • Collaborate with Product Management, UX/UI Design, QA, and Backend Engineering teams
  • Develop and integrate RESTful APIs and third-party SDKs
  • Ensure adherence to mobile security standards and best practices
  • Conduct code reviews and optimize applications for scalability, maintainability, and performance
  • Troubleshoot and resolve production issues, bugs, and performance bottlenecks
  • Implement secure authentication and encryption mechanisms for sensitive data handling
  • Maintain technical and compliance-related documentation
  • Continuously evaluate emerging technologies and recommend enhancements
What we offer
What we offer
  • Health Insurance
  • Health Reimbursement Account
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Short-Term Disability
  • Long-Term Disability
  • Pet Insurance
  • Mental Health Benefits
  • FSA
Read More
Arrow Right

Senior Android Developer

We are looking for a highly skilled and passionate Senior Android Developer with...
Location
Location
Poland
Salary
Salary:
Not provided
Remotestar
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 8+ years of hands-on experience in Android development
  • Proficiency in Kotlin and Android SDK
  • Experience with CI/CD tools like Jenkins, GitHub Actions, Bitrise, or similar
  • Strong understanding and application of Test-Driven Development (TDD)
  • Experience working in Extreme Programming (XP) environments
  • Comfortable with pair programming and agile ceremonies
  • Good communication, critical thinking, and team collaboration skills
  • Ability to work in a fast-paced, delivery-driven environment
Job Responsibility
Job Responsibility
  • Design, develop, and maintain robust Android applications using Kotlin
  • Work closely with cross-functional teams in an agile and XP environment
  • Engage in pair programming and help foster a collaborative engineering culture
  • Set up and maintain CI/CD pipelines to streamline the deployment process
  • Adhere to TDD principles and write clean, maintainable, and well-tested code
  • Participate in code reviews, daily stand-ups, retrospectives, and planning meetings
  • Stay up to date with Android development best practices, tools, and trends
  • Fulltime
Read More
Arrow Right

Senior Android Developer

At Dubizzle Labs, we are looking to further expand our Pakistan engineering offi...
Location
Location
Pakistan , Lahore
Salary
Salary:
Not provided
Dubizzle Labs
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 3 plus years of relevant experience
  • Proven Senior Android development experience
  • Experience with fast-paced development methodologies
  • Good working knowledge of great UI/UX for our users
  • Strong understanding of interacting with Web APIs
  • Demonstrated ability to integrate third-party tools into solutions
  • Excellent knowledge of Android SDK
  • Strong understanding of Kotlin
  • Strong understanding of the Android SDK from Android 5+
  • Experience with MVVM or a similar MV* solution
Job Responsibility
Job Responsibility
  • Your primary responsibility would be to build world-class suite products to support the hyper-growth of our businesses in 10 countries
  • Fulltime
Read More
Arrow Right

Senior Android Developer

Our team is rapidly growing and we're looking for a Dedicated Senior Android Dev...
Location
Location
Egypt , Cairo
Salary
Salary:
Not provided
34ml.com Logo
34ML
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Experience: 3 - 7 years
  • BS/MS degree in Computer Science, Engineering, or a related subject
  • Proven software development experience and Android skills development
  • Experience working with Kotlin as a programming language
  • Experience in working with Jetpack Compose for UI development
  • Experience working with remote data via REST and JSON
  • Experience with third-party libraries and APIs
  • Solid understanding of the full mobile development life cycle
  • Proficient understanding of code versioning tools (e.g. Git)
  • Strong troubleshooting skills
Job Responsibility
Job Responsibility
  • Develop native mobile applications on Android for device platforms tablet/phones
  • Collaborate with cross-functional teams to define, design, document, and ship new features
  • Work on bug fixing and improving application performance
  • Continuously discover, evaluate, and implement new technologies to maximize development efficiency
  • Fulltime
Read More
Arrow Right

Senior Android Developer

We are seeking a Senior Android Developer to play a key role in building and evo...
Location
Location
Netherlands , Amsterdam
Salary
Salary:
Not provided
levy-professionals.com Logo
Levy Professionals
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience in professional Android development
  • Strong proficiency in Kotlin is a must
  • Hands-on experience with Jetpack Compose
  • Experience with modular architecture
  • Solid experience with testing practices (unit, integration, UI)
Job Responsibility
Job Responsibility
  • Designing and evolving complex mobile products within a digital ecosystem
  • Taking full responsibility for solutions – from design to delivery and beyond
  • Ensuring engineering excellence and maintaining a high standard of code quality
  • Working within a SCRUM-based DevOps environment with an end-to-end ownership mindset
Read More
Arrow Right

Senior Android Developer

Join us to build a more rewarding financial future for all Canadians. At Neo, we...
Location
Location
Canada , Calgary
Salary
Salary:
Not provided
neofinancial.com Logo
Neo Financial
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years of full-time, hands-on experience as an Android Developer, with significant time spent leading projects
  • Expert-level fluency in Kotlin and deep understanding of modern Android architecture and Jetpack libraries
  • Proven experience designing and building large-scale applications with Jetpack Compose
  • Expertise in GraphQL implementation and optimization within a mobile environment
  • Strong familiarity with Kotlin and experience with React Native is a bonus. Other cross-platform technologies are a significant asset, specifically related to managing and optimizing its integration into a native codebase (brown-field approach)
  • Demonstrated ability to mentor other developers and influence technical direction across a team
  • Deep experience with CI/CD practices and automating releases to the Google Play Store
  • A strong portfolio demonstrating a passion for Android design principles, user experience, and optimizing application performance
  • Applicants must be eligible to work in Canada and willing to relocate to Calgary
Job Responsibility
Job Responsibility
  • Architect and Develop highly reliable, maintainable, and scalable features in Kotlin and Jetpack Compose that integrate seamlessly with our GraphQL API
  • Serve as a strategic partner in the integration, optimization, and maintenance of Android applications to ensure a high-quality, native-feeling user experience
  • Drive architectural decisions and advocate for best-in-class Android patterns (e.g., modularization, state management, dependency injection with Koin) to improve code health and development velocity
  • Lead complex technical projects from conception through deployment, proposing and implementing core tech improvements
  • Mentor and coach intermediate and junior developers, setting a high bar for engineering excellence and code quality across the team
  • Elevate the team's quality standards by performing rigorous, constructive code reviews and championing extensive unit and UI testing using tools like JUnit, Paparazzi, and Compose UI Test
  • Optimize app performance, stability, and responsiveness, proactively identifying and resolving bottlenecks
  • Refine CI/CD pipelines and deployment strategies for timely and reliable releases to the Google Play Store
  • Lead the adoption and strategic use of AI-powered development tools like GitHub Copilot to maximize team efficiency
What we offer
What we offer
  • All team members have a stake in Neo’s success and earn meaningful equity through stock options
  • Fulltime
Read More
Arrow Right

Senior Android Developer

Join us in building the future of finance. Our mission is to democratize finance...
Location
Location
Canada , Toronto
Salary
Salary:
166000.00 - 195000.00 CAD / Year
robinhood.com Logo
Robinhood
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • At least 5+ years of professional Android development experience
  • Proficiency with Java or Kotlin
  • Motivation to improve Robinhood’s app and codebase to ensure the highest quality for our customers
  • Strong product sense and ability to collaborate with Product Managers and Designers
  • Experience leading teams, mentoring colleagues, and managing technical projects
  • Excellent communication skills and passion for solving technical challenges
  • Bachelor’s degree in Computer Science or a related field preferred
  • equivalent training or work experience also acceptable
Job Responsibility
Job Responsibility
  • Work with a fast-growing team to revolutionize finance at speed and scale
  • Build smooth, stable, and elegant products with Kotlin and the newest Android APIs
  • Own features from inception to design, implementation, and launch
  • Work cross-functionally with Product Designers, Product Managers, Backend Developers, and Data team
  • Work with Kotlin, Android SDK & Jetpack Compose, MVVM, Coroutines & Flow (preferred) OR RxJava, and Retrofit & Room
  • Design and own the core Android frameworks, architecture, and developer tooling that power every Robinhood mobile experience
  • Set technical standards, improve build and release workflows, and solve systemic challenges around performance, reliability, and safety
What we offer
What we offer
  • Market competitive and pay equity-focused compensation structure
  • 100% paid health insurance for employees with 90% coverage for dependents
  • Annual lifestyle wallet for personal wellness, learning and development, and more
  • Lifetime maximum benefit for family forming and fertility benefits
  • Dedicated mental health support for employees and eligible dependents
  • Generous time away including company holidays, paid time off, sick time, parental leave, and more
  • Lively office environment with catered meals, fully stocked kitchens, and geo-specific commuter benefits
  • Bonus opportunities
  • Equity
  • Fulltime
Read More
Arrow Right

Senior Android Developer

10Pearls is looking for an experienced Senior Android Developer to design, devel...
Location
Location
Pakistan , Lahore; Karachi; Islamabad
Salary
Salary:
Not provided
10pearls.com Logo
10Pearls
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of professional experience in Android application development
  • Strong proficiency in Kotlin (Java experience is a plus)
  • In-depth knowledge of Android SDK, Jetpack components, and Material Design
  • Experience with Coroutines, Flow, LiveData, and Room
  • Strong understanding of REST APIs, JSON, and network handling
  • Experience with dependency injection frameworks (Dagger/Hilt/Koin)
  • Solid understanding of Android app performance optimization and memory management
  • Experience with version control systems (Git)
  • Familiarity with CI/CD pipelines for Android builds
  • Strong problem-solving and analytical skills
Job Responsibility
Job Responsibility
  • Design, develop, test, and maintain advanced Android applications
  • Lead end-to-end Android development lifecycle, from concept to deployment
  • Write clean, scalable, and maintainable code following best practices
  • Implement modern Android architectures, including MVVM, MVI, and Clean Architecture
  • Integrate RESTful APIs, third-party libraries, and SDKs
  • Optimize applications for performance, security, scalability, and usability
  • Conduct code reviews and ensure coding standards and best practices
  • Mentor and guide junior Android developers
  • Collaborate closely with product managers, designers, QA, and backend teams
  • Troubleshoot, debug, and resolve production issues
Read More
Arrow Right