Fullstack Developer at Qualibar in Remote

We are looking for an experienced Full Stack Developer to join our engineering team. The ideal candidate will have strong expertise in building scalable, secure, and high-performance applications using PHP (Laravel), React, and modern cloud-native technologies. The candidate should also have practical knowledge of AI technologies, prompt engineering, RAG/MCP, and AI-assisted software development. You will be responsible for designing and developing distributed systems, implementing microservices, contributing to architecture, CI/CD, and DevOps initiatives, and leveraging AI tools to improve development productivity and solution quality.

Key Responsibilities

• Design, develop, test, deploy, and maintain scalable web applications.
• Develop microservices-based applications using PHP (Laravel).
• Build and consume RESTful APIs with OAuth2/JWT authentication.
• Develop responsive user interfaces using React, HTML5, CSS3, Bootstrap, and Ajax.
• Containerize applications using Docker and manage deployments with Kubernetes.
• Design highly available, scalable, and maintainable distributed systems.
• Work with Kafka/RabbitMQ for asynchronous communication.
• Implement caching strategies using Redis/Memcached.
• Optimize MySQL databases through efficient queries, stored procedures, functions, and views.
• Participate in architecture discussions, code reviews, and technical documentation.
• Build and maintain CI/CD pipelines for automated deployments.
• Leverage AI tools and AI-assisted development practices to improve coding efficiency, code quality, debugging, testing, and documentation.
• Apply prompt engineering techniques to effectively interact with and utilize Large Language Models (LLMs) for software development and business use cases.
• Demonstrate working knowledge of RAG (Retrieval-Augmented Generation) and MCP (Model Context Protocol), including their application in AI-powered systems and integrations.
• Use AI coding assistants such as Cursor, Claude Code, GitHub Copilot, or similar tools as part of the software development workflow.
• Collaborate with Agile teams throughout the software development lifecycle.
• Mentor junior developers and promote engineering best practices.

Required Skills

• Strong experience with PHP and Laravel Framework.
• Experience building Microservices Architecture.
• Hands-on experience with Docker and Kubernetes.
• Strong knowledge of React.js.
• Experience with REST APIs, OAuth2, and JWT.
• Strong understanding of MySQL and experience with MongoDB and Redis.
• Experience with Kafka and/or RabbitMQ.
• Strong knowledge of OOP, SOLID Principles, Design Patterns, and Dependency Injection.
• Experience with HTML5, CSS3, Bootstrap, Ajax, JSON, and XML.
• Experience with CI/CD pipelines.
• Practical knowledge of AI concepts and Large Language Models (LLMs).
• Knowledge of Prompt Engineering and the ability to design effective prompts for AI/LLM-based applications.
• Understanding of RAG (Retrieval-Augmented Generation) and MCP (Model Context Protocol).
• Hands-on experience or strong working knowledge of AI-assisted coding tools such as Cursor, Claude Code, GitHub Copilot, or similar tools.
• Ability to effectively use AI coding tools for code generation, refactoring, debugging, testing, documentation, and development productivity.
• Familiarity with Jira or VersionOne.
• Understanding of Agile/Scrum methodologies.
• Exposure to mobile application development is an added advantage.
• Excellent communication skills with advanced English proficiency.

Preferred Qualifications

• Experience designing enterprise-scale distributed systems.
• Experience integrating AI/LLM capabilities into web applications or enterprise systems.
• Experience implementing RAG-based applications, AI agents, or MCP-based integrations is a plus.
• Experience with cloud platforms such as AWS, Azure, or Google Cloud is a plus.
• Strong analytical and problem-solving skills.
• Ability to mentor team members and work in a collaborative environment.
• Ability to evaluate, adopt, and effectively leverage emerging AI development tools and technologies.