Key Responsibilities: Design, develop, and maintain back-end services, APIs, and databases for web and mobile applications.Collaborate with front-end developers and other team members to integrate user-facing elements with server-side logic.Write reusable, testable, and efficient code using languages such as Node.js, Python, Ruby, or Java (depending on the stack).Develop and manage well-functioning databases (e.g., MySQL, PostgreSQL, MongoDB) and applications, ensuring optimal performance and security.Ensure system scalability, robustness, and security by applying best practices in back-end development.Identify and resolve performance bottlenecks and system issues in a timely manner.Work with DevOps engineers to build and maintain CI/CD pipelines and deployment processes.Develop unit tests and integration tests to ensure the stability of the codebase.Perform code reviews and mentor junior developers to promote high-quality code.Stay updated with the latest industry trends, tools, and technologies to ensure continuous improvement in back-end development.Implement security measures such as data protection, user authentication, and access control. Requirements: Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent work experience).5+ years of experience in back-end development.Proficiency in back-end languages such as Node.js, Python, Java, Ruby, or PHP.Experience with databases such as MySQL, PostgreSQL, MongoDB, or Redis.Strong understanding of RESTful APIs and microservices architecture.Experience with cloud platforms (e.g., AWS, Azure, Google Cloud) and deploying applications in cloud environments.Familiarity with containerization tools (e.g., Docker, Kubernetes) and DevOps practices.Experience with version control systems (e.g., Git).Understanding of security practices for back-end services, including encryption, authentication, and authorization.Knowledge of testing frameworks (e.g., Mocha, Jest, JUnit) and test-driven development.Strong problem-solving skills and attention to detail.Excellent communication and collaboration skills.Familiarity with Agile development methodologies. Preferred Qualifications: Experience with GraphQL and real-time communication protocols (e.g., WebSockets).Knowledge of serverless architecture.Experience with CI/CD pipelines and automated testing tools.Familiarity with message brokers like RabbitMQ, Kafka, or Redis.Experience in monitoring and performance tuning of production systems. Benefits: Competitive salary and performance bonuses.Comprehensive health, dental, and vision insurance.Professional development opportunities.Collaborative and inclusive work environment.