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Senior Android Developer (SAD 0425)

At Skroutz, our mission is simple: we aim to amaze. From our humble beginnings back in 2005, we believe that happy customers equal happy merchants and it’s our job to understand and anticipate their needs and offer them an unparalleled, doubt-free experience. 

Our vision is clear: we aspire to become the Everyday App, the go-to destination where millions fulfill their online shopping needs. Whether you're looking for a new smartphone, restocking your pantry with essentials, seeking the perfect outfit for an upcoming event, or simply hunting for that collectible gaming console, Skroutz is your trusted partner for seamless shopping experiences.

And our ambitions extend far beyond Greece's borders. We're on a trajectory to become one of Europe's fastest-growing Marketplaces, with exciting expansions already underway in Cyprus and the Balkans. Our commitment to customer satisfaction remains paramount, guiding every decision we make.

To achieve our vision, we seek individuals who share our passion for e-commerce and technology. If you're driven by the desire to create extraordinary shopping moments for our users, as well as help sellers all around the world grow their businesses, then we want you on our team.

Join us at Skroutz and be part of a journey that's reshaping the way we shop online. Together, let's turn everyday moments into remarkable experiences.

Ready for the challenge?

#AimToAmaze

Our engineering values

  • Know your Tech. Develop and master your craft, sharpen your tools. Be proud of your work.
  • Release early & Iterate. Deliver prototypes and start gathering important feedback early on. Use that feedback to guide you. Don't be afraid to compromise, make sure to come back & tidy things up.
  • Be a team player. Offer your help, listen and seek to understand. Step up & take initiatives.
  • Don't over anything. Don't over-engineer, over-analyze, over-regulate, you get it.
  • Enjoy your work. Celebrate success.

Technologies we use

Our main stack is Ruby for the backend - using the Ruby on Rails framework - with Javascript (ES6) and React/Redux for the frontend. Our main storage is a MariaDB cluster. We heavily use Elasticsearch, Kafka, MongoDB, Redis and Memcached. We use Jenkins for our CI and various tools like Sentry, NewRelic and Grafana for monitoring. Generally we try to pick the best tool we know or we can find that serves our needs. You can read more about what we have worked on our Engineering blog.

How will you contribute to Skroutz vision

After some years of successfully launching and constantly improving our Android and iOS apps, currently used by hundreds of thousands of users, we are now ready to take them to the next level! Our vision is to make Skroutz a mobile-first company where apps will play a central role in revolutionizing the experience of buying online! If having “a billion products at your fingertips” sounds exciting and challenging to you, you may be just the kind of person we’re looking for!

We are growing our mobile engineering team and are looking for Android Developers with...

  • strong technical background
  • “get-things-done” attitude
  • self-motivation
  • team spirit
  • attention to details
  • thirst for knowledge
  • desire to make an impact

What you will be doing

  • Work in an agile team with other mobile developers, API engineers and UI/UX designers to develop and maintain our Android app, building new features and shaping our product
  • Track down and fix performance bottlenecks and bugs, improving the reliability of our Android app
  • Employ A/B testing to measure the performance of different approaches to features and implementations, providing the best UX for our users
  • Review and evaluate code from fellow team members, exchanging comments that make you and the author better engineers
  • At least 5 years of experience as an Android mobile developer
  • Proven track record of building and shipping Android apps in the Google Play Store
  • Deep knowledge of Java and Kotlin
  • Good knowledge of the Android SDK (Components, Lifecycles, Layouts, Fragments, Animations, Drawables)
  • Knowledge of OO design principles, software and Android design patterns
  • Familiarity with modern Android architectures (Clean architecture) and presentation patterns (MVI)
  • Familiarity with Jetpack Compose
  • Expert knowledge of asynchronous programming
  • Experience with developing highly-performant code and the ability to diagnose performance bottlenecks
  • Fluency with web service architectures and technologies: JSON and RESTful APIs
  • Passion for readable, maintainable and performant code
  • Familiarity with common software engineering tools and practices (Git, Unit Testing, CI)
  • Some familiarity with design/UX principles
  • Intrigued by the product as much as by technology

We will appreciate it if you have

  • Projects you’ve built/contributed to (e.g. Github account)
  • Optimization of data usage over mobile networks
  • Knowledge of Reactive/Functional programming
  • Knowledge of SQLite
  • Familiarity with agile methodologies and practices
  • A great opportunity to contribute to the evolution of Skroutz towards becoming one of Europe’s fastest growing Marketplaces
  • Thrive in an environment that champions ambitious goals, empowers autonomy, fosters mentoring, and unlocks exciting opportunities for both personal and business growth
  • Competitive full-time salary
  • Ongoing training and development
  • Access to books, online courses, and relevant resources
  • Top of the Line tools and equipment
  • Private Medical Plan
  • Hybrid Working
  • Free gym membership at Golden Gym in Athens, plus OAKA cross training & running courses, Padel and online yoga
  • For all New Skroutz Fathers we offer 30 working days paternity leave (1,5 months in total)
  • Monthly childcare allowance for all Skroutz Parents
  • When at the office, we offer free food catering (breakfast & lunch)
  • Free Skroutz Plus subscription

As part of our dedication to the diversity of our workforce, Skroutz is committed to Equal Employment Opportunity without regard to race, color, national origin, ethnicity, gender, disability, sexual orientation, or religion.

Disclaimer:

Skroutz collects and processes personal data in accordance with the EU General Data Protection Regulation (GDPR). We are bound to use the information provided within your job application for recruitment purposes only and not to share these with any unauthorized third parties. Please read our Recruitment Privacy Policy here.

What You Should Know About Senior Android Developer (SAD 0425), Skroutz S.A

At Skroutz, we are on a mission to amaze our users, and we're excited to invite a Senior Android Developer to join our enthusiastic team! If you're passionate about mobile development and ready to elevate our Android app used by hundreds of thousands of users, this is the perfect role for you. You'll be working closely with a dynamic group of mobile developers, API engineers, and UI/UX designers in an agile setting, crafting new features that revolutionize the online shopping experience. We value strong technical skills, a 'get-things-done' attitude, and a thirst for knowledge. With your expertise in Java and Kotlin, alongside a keen understanding of the Android SDK, modern architectures, and optimizing performance, you will play a pivotal role in shaping our product. We strongly believe in collaboration and continuous improvement, so reviewing code from fellow engineers will be part of your day-to-day. If you are excited about building scalable and maintainable apps while embracing the challenge of making Skroutz a mobile-first company, apply today! Together, we can transform everyday moments into remarkable experiences. Let’s create some magic in online shopping!

Frequently Asked Questions (FAQs) for Senior Android Developer (SAD 0425) Role at Skroutz S.A
What are the primary responsibilities of a Senior Android Developer at Skroutz?

As a Senior Android Developer at Skroutz, your primary responsibilities will include developing and maintaining our Android app by building new features and ensuring an exceptional user experience. You'll work within an agile team alongside mobile developers, API engineers, and UI/UX designers to track performance issues and bugs, implementing solutions to enhance reliability. Additionally, you'll engage in code reviews, employing A/B testing to assess feature effectiveness and optimizing performance based on user feedback.

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What qualifications do I need to apply for the Senior Android Developer position at Skroutz?

To apply for the Senior Android Developer position at Skroutz, you should possess at least 5 years of experience in developing Android applications. A strong knowledge of Java and Kotlin is essential, along with familiarity with the Android SDK and modern architectures like Clean architecture. Understanding design patterns, performance optimization, and experience with web service technologies such as RESTful APIs are critical for this role.

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What technologies does Skroutz use for Android app development?

At Skroutz, we utilize a range of advanced technologies for our Android app development. Our mainstays include Java and Kotlin, alongside the Android SDK. We're also embracing modern practices such as Jetpack Compose for UI development, and we employ A/B testing methods to refine our features. Our backend architecture, while not directly part of the Android ecosystem, features technologies like Ruby on Rails, Elasticsearch, and MongoDB, further enhancing the integration between our apps and server-side capabilities.

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How does Skroutz support the professional growth of Senior Android Developers?

Skroutz is dedicated to the ongoing professional development of its employees, including Senior Android Developers. We provide access to top-notch training resources, including books, online courses, and workshops that allow you to sharpen your skills. We encourage a culture of knowledge sharing and mentorship, ensuring that as you grow in your career, you also contribute to the growth of your teammates, enhancing overall team performance.

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What benefits can I expect as a Senior Android Developer at Skroutz?

As a Senior Android Developer at Skroutz, you can look forward to a competitive salary, flexible hybrid working options, and a range of benefits that promote your well-being. This includes a private medical plan, a free gym membership at Golden Gym, and ongoing support for parental leave with childcare allowances. Additionally, when working onsite, you’ll enjoy free food catering, creating a welcoming and inclusive workplace environment.

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Common Interview Questions for Senior Android Developer (SAD 0425)
Can you discuss your experience with Java and Kotlin in Android development?

When answering this question, highlight specific projects where you've utilized Java and Kotlin, detailing the challenges you faced and how you overcame them. Mention any libraries or frameworks you've integrated into your applications, and articulate the benefits of using Kotlin over Java or vice versa in certain situations.

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How do you ensure the performance of an Android application?

To effectively answer this question, discuss techniques you've employed for performance optimization such as using memory profiling tools, analyzing CPU usage, and employing lazy loading techniques. Share specific examples where you've identified and resolved performance bottlenecks in your previous projects.

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What is your approach to debugging Android applications?

A good response should include various tools and techniques you've used for debugging Android apps, such as Android Studio’s debugger or logging approaches using Logcat. Discuss the importance of understanding stack traces and how you trace bugs methodically to find the root cause of issues.

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How do you work within an agile team environment?

Talk about your experience participating in agile ceremonies such as stand-ups, sprint planning, and retrospectives. Emphasize your collaboration with cross-functional teams and how you're proactive in communicating progress and roadblocks to the rest of the team, ultimately contributing to the fast iteration and delivery of features.

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How do you approach code reviews and feedback?

When discussing your approach to code reviews, highlight your respect for collaborative growth and learning. Speak about how you've provided constructive feedback in the past, focused on improvement rather than personal criticism, and how you’ve also acted on feedback received to enhance your own coding practices.

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Can you explain what Clean Architecture means and how you implement it?

Provide a clear definition of Clean Architecture, emphasizing its layers and how it encourages separation of concerns. Share examples of past projects where you've applied Clean Architecture principles, explaining how it paid off in terms of maintainability and testability of your code.

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What strategies do you use for optimizing an app's user experience?

Discuss approaches like user testing, A/B testing, and utilizing analytics to gather user feedback. Explain how you've prioritized user needs in design and development decisions, leading to an intuitive and appealing user experience.

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What Android features do you feel are essential in modern app development?

List key features such as Jetpack components, background processing, or support for various screen sizes and orientations. Discuss the importance of each in current Android development practices and how you've incorporated them into past projects.

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Can you discuss your familiarity with using RESTful APIs?

In responding, describe your experience in consuming RESTful APIs, including any libraries used, such as Retrofit or Volley. Share a scenario where you effectively handled network responses, managing errors and optimizing API interactions.

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What motivates you to work in mobile app development?

Share your passion for building applications that solve problems and improve user experiences. You might mention how the rapid evolution of mobile technology excites you and drives your commitment to continuous learning and professional growth in this field.

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Skroutz (www.skroutz.gr) is an online end-to-end e-commerce service with a consumer centric mindset. The platform focuses on providing a trustworthy and easy to use service with carefully curated content and handpicked merchants who gain access to...

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DATE POSTED
April 3, 2025

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