Senior Full Stack Engineer (React + Kotlin) – Remote

About the role

Join FullStackFullStack's talent network and work on remote, project‑based assignments for US clients. As a Senior Full Stack Engineer you will become an integral part of the client’s development team, collaborating daily with designers and engineers to deliver high‑quality software.

Key responsibilities

• Develop and maintain frontend applications using React, HTML5, CSS3, JavaScript and TypeScript.
• Build backend services with Kotlin, design and consume RESTful APIs.
• Participate in Agile/Scrum ceremonies and contribute to sprint planning.
• Maintain CI/CD pipelines and ensure reliable delivery of code.
• Work with cloud platforms (AWS, GCP or Azure) and micro‑services architecture.
• Take ownership of complex features, troubleshoot issues, and improve existing libraries.

Required profile

• 5+ years of professional software engineering experience.
• Advanced English proficiency.
• Completed a four‑year college degree.
• Proven experience in both frontend (React) and backend (Kotlin) development.
• Strong attention to detail and a proactive, can‑do attitude.

Required skills

• React
• Kotlin
• JavaScript
• TypeScript
• HTML5 & CSS3
• RESTful API design and consumption
• SQL and database design
• Git version control
• Object‑oriented programming and design patterns
• Microservices architecture
• Cloud platforms (AWS, GCP, Azure)
• CI/CD pipelines
• Java with Spring Framework / Spring Boot (optional)
• Agile / Scrum methodologies

What we offer

• Flexible, remote, project‑based work with US clients.
• Opportunity to collaborate with innovative teams worldwide.
• Access to a transparent talent network focused on growth and fair opportunities.