Freelance Senior Android Developer

Senior Android Developer (12-month independent Contract)📍 Amsterdam, Netherlands (Hybrid: 3 Days Onsite)💰 €134.77 per hour + VAT📅 12-Month Independent Contractor Contract (40 Hours per Week)Are you a Senior Android Developer who thrives on building products at scale and influencing technical direction? We're seeking an experienced Senior Android Developer to join a newly formed product team focused on delivering innovative insurance and flexibility solutions used by millions of customers worldwide. This is an opportunity to play a key role in shaping customer experiences, driving architectural decisions, and delivering impactful mobile solutions within a highly collaborative engineering environment.About the RoleYou'll join a product team responsible for enhancing customer-facing experiences focused on:Car Hire Insurance products that help customers protect their journeys.Accommodation Flexibility products that provide greater freedom when plans change.New mobile experiences designed to increase customer engagement and conversion.Large-scale mobile applications serving customers globally.Key ResponsibilitiesDeliver End-to-End SolutionsBuild and deliver Android features from concept through production.Collaborate closely with Android, iOS, and backend engineering teams.Contribute across the full software development lifecycle.Lead Technical DirectionDrive technical decision-making.Lead architecture and design discussions.Produce high-quality technical documentation, including RFCs, ADRs, and design proposals.Maintain Production ExcellenceMonitor application stability and performance.Investigate incidents and resolve complex production issues.Ensure high standards of reliability and user experience.Improve Performance & QualityProfile applications and identify performance bottlenecks.Implement monitoring, testing, and performance metrics.Maintain excellent code quality and test coverage standards.Collaborate Across FunctionsPartner with Product Managers, Designers, QA specialists, and Engineers.Translate business requirements into scalable technical solutions.Participate in experimentation, feature evaluation, and release planning.Mentor & Support OthersHelp onboard new team members.Share knowledge and contribute to engineering best practices.Support the growth and development of fellow engineers.Required Skills & Experience✅ 6+ years of Android development experience✅ Expert-level Kotlin development✅ Strong hands-on experience with Jetpack Compose✅ Deep understanding of:Kotlin CoroutinesFlowStructured ConcurrencyAsynchronous ProgrammingThreading and Testing✅ Modern Android architecture expertise:MVVM / MVIJetpack ViewModelNavigation ComponentsHilt / Dagger✅ Strong testing experience:Unit TestingCompose TestingEspresso TestingScreenshot Testing✅ Experience with:API design and integrationBackend software conceptsMulti-module Gradle projectsAndroid profiling and performance optimisationA/B testing and release planning✅ Strong communication and stakeholder management skills✅ Fluent English communication skills, both written and verbalDesirable ExperienceGraphQLFederated architecturesKotlin MultiplatformGoogle Play Store app releasesLarge-scale distributed systemsAWS or other cloud-based environmentsPassion for exploring and adopting new technologiesWhat We're Looking ForThe ideal candidate is someone who:Takes ownership and drives initiatives independently.Leads technical discussions with confidence.Solves complex engineering challenges.Influences technical and architectural direction.Collaborates effectively across multiple teams and disciplines.Balances technical excellence with business objectives.Thrives in large-scale, fast-paced product environments.Why apply?12-month contractHybrid working model (3 days onsite in Amsterdam)Opportunity to work on products used by millions of customersHigh-impact engineering challenges at scaleCollaborative and innovative engineering cultureExposure to modern mobile, backend, and cloud technologies📩 Interested? Apply now or get in touch for a confidential discussion.#AndroidDeveloper #SeniorAndroidDeveloper #Kotlin #JetpackCompose #MobileEngineering #ContractRole #AmsterdamJobs #AndroidJobs #TechHiring #SoftwareEngineering #GraphQL #AWS #HiringNow