Senior Mobile Developer (Kotlin + Swift) – Remote

About the role

FullStackFullStack is looking for a Senior Mobile Developer to join its talent network and work on remote, project‑based assignments for U.S. clients. You will become an integral part of the client’s engineering team, collaborating daily with designers and engineers to deliver high‑quality mobile applications.

Key responsibilities

• Design, develop, and maintain native iOS (Swift) and Android (Kotlin) applications.
• Integrate mobile apps with event‑streaming platforms such as Kafka and microservice back‑ends.
• Implement scalable architecture patterns and ensure performance and reliability.
• Participate in CI/CD pipelines, automated testing, and continuous delivery processes.
• Collaborate in Agile/Scrum ceremonies and contribute to technical documentation.

Required profile

• 5+ years of professional mobile development experience.
• Advanced English proficiency.
• Completed a four‑year college degree.
• Proven ability to work independently and take extreme ownership of deliverables.

Required skills

• Kotlin (Android)
• Swift (iOS)
• Kotlin Multiplatform & Compose Multiplatform
• Kafka (event streaming)
• Microservices & event‑driven architecture
• SQL databases
• Kubernetes and Infrastructure‑as‑Code concepts
• gRPC & Protobuf
• CI/CD tooling
• Agile/Scrum methodology

What we offer

• Flexible, remote project‑based work with U.S. clients.
• Opportunity to work on large, complex systems alongside top engineering talent.
• Access to a transparent talent network that supports professional growth.