Senior Mid Full-Stack Engineer

CASABOT is looking for a Senior / Mid Full-Stack Engineer to help build and scale the next generation of intelligent product experiences. This role is for an engineer who can move confidently across frontend backend integrations and cloud infrastructure while keeping product quality performance and developer discipline high.

You will work on modern web applications real-time product experiences backend services third-party integrations and scalable architecture. We are looking for someone with strong hands-on engineering skills good product sense and the ability to work in a fast-moving environment where clarity ownership and execution matter.

As a Full-Stack Engineer at CASABOT you will contribute to the design development integration and optimization of core product capabilities. You should be comfortable building with the MERN stack shaping frontend architecture with React / designing backend services with / Express and working with databases and real-time communication patterns.

This role also requires practical experience with third-party APIs API versioning CI/CD Docker AWS logging debugging and collaborative engineering practices. You should be able to contribute not just code but also structure documentation and sound engineering judgment.

• Design build and maintain full-stack product features using React / / Express and modern JavaScript/TypeScript tooling
  
• Develop scalable maintainable frontend and backend systems using the MERN stack
  
• Build responsive clean and performant user interfaces with strong attention to usability and engineering quality
  
• Streamline frontend architecture component structure and overall application flow for maintainability and scale
  
• Design and integrate backend APIs and services with external systems and third-party platforms
  
• Manage and improve API integrations including reliability backward compatibility and API versioning
  
• Work with PostgreSQL MySQL and MongoDB based on product and system requirements
  
• Implement authentication and security mechanisms including OAuth JWT and 2FA
  
• Build and maintain real-time capabilities using WebSockets
  
• Write clean reusable and well-documented code
  
• Contribute to technical architecture decisions across frontend backend integration and deployment layers
  
• Support CI/CD pipelines containerized workflows and cloud deployments
  
• Use Docker for development testing packaging and deployment workflows
  
• Work hands-on with AWS services for hosting infrastructure storage or application deployment
  
• Implement structured logging monitoring and debugging approaches across services and applications
  

• Experience designing scalable product architecture across frontend and backend systems
  
• Familiarity with observability structured logging and monitoring practices
  
• Experience working on SaaS platforms connected products or real-time applications
  
• Strong product intuition and ability to simplify engineering complexity
  
• Experience using AI-assisted development and GenAI tools in an effective and disciplined way