April 28, 2026

Senior Software Engineer (Java)

Senior • Remote

Warsaw, Poland

Svitla Systems Inc. is looking for a Senior Software Engineer for a full-time position (40 hours per week) in Europe. Our client is one of the world’s largest and fastest-growing job sites.

Overlap till 19:00 - 20:00 CET.

Requirements

  • Strong Java backend development experience.

  • Experience building and integrating APIs.

  • Experience with Kafka or other messaging/event streaming systems.

  • Experience with MySQL or other relational databases.

  • Experience working with NoSQL databases (e.g., DynamoDB).

  • Experience working on system integrations or platform migrations.

  • Ability to work on backend services that support UI applications.

  • Work independently, take proactive steps, not just execute on steps.

Nice to have

  • Experience with AWS (especially DynamoDB or cloud-native services).

  • Some AI tools experience - Optional, not required.

Responsibilities

  • Client and partner migrations, codebase transitions, and integrating systems through API calls.

  • Perform client-side migrations, including: Updating API calls (old → new system), working across multiple client codebases, supporting pipeline / ramp issues.

We offer

  • US and EU projects based on advanced technologies.

  • Competitive compensation based on skills and experience.

  • Regular performance appraisals to support your growth.

  • Flexibility in workspace, either remote or our welcoming office.

  • Bonuses for article writing, public talks, and other activities.

  • Generous time off, including vacation, national holidays, sick leaves, and family days.

  • Personalized learning programs tailored to your interests and skill development.

  • Free tech webinars and meetups organized by Svitla.

  • Regular corporate online activities.

  • Awesome team and a friendly, supportive community!

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Remote

Krakow, Poland

🏢 Summary: Full-time Senior Android Engineer role focused on developing, maintaining, and optimizing a large-scale Android application using modern best practices. The position involves building new features, supporting existing functionality, and ensuring high performance and scalability in a production environment. The role requires collaboration with cross-functional teams and overlap with CET working hours. 🗂️ Requirements: 4+ years of Android development experience, Strong knowledge of Kotlin, Experience with Jetpack Compose (Compose UI), Understanding of Kotlin Coroutines and Structured Concurrency, Experience implementing Clean Architecture, Experience maintaining Data/Domain/Presentation layer separation, Experience working in production environments, Ability to balance feature delivery with stability and maintainability 📃 Skills: Android, Kotlin, Jetpack, Compose, Coroutines, Concurrency, CleanArchitecture, GraphQL 🏢 Description: Svitla Systems Inc. is looking for a Senior Android Engineer for a full-time position (40 hours per week) in Europe . Our client is one of the world’s largest and fastest-growing job sites. You'll join the team working on the Android application. This role involves both feature development and ongoing support, ensuring a high-performing, scalable, and user-friendly mobile experience by delivering new features, maintaining existing functionality, resolving bugs, and improving app performance and user experience. This role requires working hours with overlap till 8 PM CET. Requirements 4+ years of professional experience in Android development. Strong knowledge of Kotlin. Knowledge of Jetpack Compose (Note: this refers specifically to Compose UI, not general Android Jetpack components). Solid understanding of Kotlin Coroutines and Structured Concurrency. Experience implementing Clean Architecture. Experience maintaining strict architectural layer separation (Data / Domain / Presentation). Be passionate about modern Android development. Detail-oriented and performance-driven individual. Be comfortable working in production environments. Strong architectural mindset. The ability to balance new feature delivery with stability and maintainability. Nice to have Experience working with GraphQL. Responsibilities Design, develop, and maintain Android features using modern best practices. Implement scalable, maintainable solutions following Clean Architecture principles. Ensure strict separation of layers (Data, Domain, Presentation). Write high-quality, testable, and efficient Kotlin code. Optimize app performance and responsiveness. Troubleshoot, debug, and resolve production issues. Collaborate with cross-functional teams to deliver high-impact features. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

Technology

Svitla Systems

Senior Android Engineer

Senior

Remote

Krakow, Poland

🏢 Summary: Full-time Senior Android Engineer role focused on developing and maintaining a high-performance Android application, delivering new features, ensuring architectural integrity, and optimizing app performance in a production environment. The position involves working with modern Android technologies and Clean Architecture principles to build scalable and maintainable solutions. The role requires collaboration with cross-functional teams and overlapping working hours until 8 PM CET. 🗂️ Requirements: 4+ years of professional Android development experience, Strong knowledge of Kotlin, Experience with Jetpack Compose (Compose UI), Solid understanding of Kotlin Coroutines and Structured Concurrency, Experience implementing Clean Architecture, Experience maintaining strict separation of Data, Domain, and Presentation layers, Experience working in production environments, Ability to design scalable and maintainable Android architectures 📃 Skills: Android, Kotlin, Jetpack, Compose, Coroutines, GraphQL 🏢 Description: Svitla Systems Inc. is looking for a Senior Android Engineer for a full-time position (40 hours per week) in Europe . Our client is one of the world’s largest and fastest-growing job sites. You'll join the team working on the Android application. This role involves both feature development and ongoing support, ensuring a high-performing, scalable, and user-friendly mobile experience by delivering new features, maintaining existing functionality, resolving bugs, and improving app performance and user experience. This role requires working hours with overlap till 8 PM CET. Requirements 4+ years of professional experience in Android development. Strong knowledge of Kotlin. Knowledge of Jetpack Compose (Note: this refers specifically to Compose UI, not general Android Jetpack components). Solid understanding of Kotlin Coroutines and Structured Concurrency. Experience implementing Clean Architecture. Experience maintaining strict architectural layer separation (Data / Domain / Presentation). Be passionate about modern Android development. Detail-oriented and performance-driven individual. Be comfortable working in production environments. Strong architectural mindset. The ability to balance new feature delivery with stability and maintainability. Nice to have Experience working with GraphQL. Responsibilities Design, develop, and maintain Android features using modern best practices. Implement scalable, maintainable solutions following Clean Architecture principles. Ensure strict separation of layers (Data, Domain, Presentation). Write high-quality, testable, and efficient Kotlin code. Optimize app performance and responsiveness. Troubleshoot, debug, and resolve production issues. Collaborate with cross-functional teams to deliver high-impact features. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!