Senior Full-Stack Engineer - Mobile & Backend

About the role

Como is looking for a hands-on Senior Full-Stack Engineer to build complete product capabilities across mobile applications, backend services, data and cloud infrastructure. You will take features from idea to production: designing the solution, developing the mobile experience, implementing backend services and APIs, working with data and integrations, and ensuring the result can be deployed, monitored and operated reliably. The role also includes guidance and mentoring of other developers.

Key responsibilities

• Design and develop complete features across React Native applications and backend services.
• Build mobile experiences using React Native and TypeScript, and backend services, APIs and business logic.
• Work with relational and document databases, including data modeling and query optimization.
• Build integrations with internal systems and third-party providers, and asynchronous processes using queues, events, scheduled jobs and background workers.
• Develop reusable capabilities for multiple products, customers and white-label applications, covering authentication, authorization, payments, ordering, loyalty and customer engagement.
• Take ownership of features from technical design through deployment and production operation.
• Design and operate cloud-based services with scalability, reliability, security and cost in mind.
• Write automated tests, monitor production systems and troubleshoot issues across applications, services, databases, infrastructure and integrations.
• Work with cloud services, containers, CI/CD pipelines, configuration and observability tools, and participate in code reviews and architectural decisions.
• Use AI-assisted development tools and guide and mentor other developers.

Required profile

• At least 8 years of professional software-development experience.
• Proven experience delivering production features across frontend or mobile and backend systems.
• Experience designing, deploying and operating cloud-based production services, and designing APIs and service-to-service integrations.
• Ability to independently understand a business requirement, design a solution and deliver it across the full stack.
• Strong problem-solving and communication skills, and guidance and mentoring abilities.

Required skills

• TypeScript and modern JavaScript; production experience with React Native.
• Backend services and APIs using Node.js.NET or a comparable stack.
• AWS, Azure, Google Cloud or another major cloud platform, including serverless architecture.
• SQL or NoSQL databases, authentication, authorization, API security and secure data handling.
• Containers, CI/CD, monitoring, logging and production deployments.
• Nice to have: white-label or multi-brand apps, native iOS or Android, distributed systems or microservices, payment/ordering/loyalty platforms, large-scale operations, and AI coding agents.