Senior Full-Stack Engineer – Mobile & Backend

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.

Responsibilities

• Guidance and mentoring abilities What You'll Do - Design and develop complete features across React Native applications and backend services. - Build mobile experiences using React Native and TypeScript. - Design and implement 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. - Develop asynchronous processes using queues, events, scheduled jobs, and background workers. - Build reusable capabilities that can serve multiple products, customers, and white-label applications. - Work with authentication, authorization, payments, ordering, loyalty, and customer-engagement flows. - Take responsibility for features throughout their lifecycle—from technical design and implementation to deployment and production operation. - Design and operate cloud-based services with scalability, reliability, security, and cost in mind. - Write automated tests across mobile and backend components. - Monitor production systems and troubleshoot issues across applications, services, databases, infrastructure, and external integrations. - Work with cloud services, containers, CI/CD pipelines, configuration, and observability tools. - Improve system performance, reliability, security, and maintainability. - Participate in code reviews and practical architectural decisions. - Use AI-assisted development tools to improve delivery speed and engineering quality. - Guide and mentors other developers What We're Looking For - At least 8 years of professional software-development experience. - Proven experience delivering production features across both frontend or mobile and backend systems. - Strong knowledge of TypeScript and modern JavaScript development. - Production experience with React Native. - Experience developing backend services and APIs using Node.js, .NET, or a comparable modern backend stack. - Hands-on experience with AWS,
• Azure, Google Cloud, or another major cloud platform. - Experience designing, deploying, and operating cloud-based production services. - Experience designing APIs and service-to-service integrations. - Experience with SQL or NoSQL databases and practical data modeling. - Understanding of authentication, authorization, API security, and secure data handling. - Familiarity with asynchronous processing, queues, background jobs, and event-driven systems. - Practical experience with containers, CI/CD, monitoring, logging, and production deployments. - Ability to independently understand a business requirement, design a solution, and deliver it across the full stack. - Strong problem-solving and communication skills. - Guidance and mentoring abilities Technical Environment The technologies and technical areas relevant to the role include: - React Native, TypeScript, and JavaScript - Node.js and .NET - REST APIs and service-to-service integrations - SQL and NoSQL databases - AWS, Azure, or Google Cloud - Cloud-native services and serverless architecture - Docker and containerized applications - Kubernetes - Queues, events, background workers, and scheduled jobs - Authentication, authorization, and identity providers - Push notifications, deep linking, and social login - CI/CD and automated mobile and backend deployments - Logging, monitoring, tracing, alerting, and observability - App Store and Google Play build and release processes Candidates are not expected to have worked with every technology listed, but should have broad full-stack experience and the ability to learn unfamiliar parts of the stack.

Preferred

• Experience building white-label or multi-brand applications. - Familiarity with native iOS or Android development. - Experience with distributed systems or microservices. - Experience with payment, ordering, loyalty, or commerce platforms. - Experience operating systems at scale. - Practical experience with AI coding agents and development automation.