Senior Software Engineer Java / NodeJSQualgo Technologies

• Design, develop, and maintain robust, scalable, and high-performance backend systems and APIs using NodeJS/Java.
• Collaborate with frontend developers, product managers, and other stakeholders to understand requirements and translate them into technical solutions.
• Architect efficient and reusable backend components that can be leveraged across different projects and teams.
• Write clean, maintainable, and well-documented code following best practices and coding standards in NodeJS/Java.
• Optimize backend systems for maximum speed scalability, ensuring high availability and reliability.
• Implement security best practices to protect sensitive data and prevent security vulnerabilities.
• Conduct code reviews, provide feedback, and mentor junior developers ensure code quality and foster learning.
• Troubleshoot and debug backend issues, identify bottlenecks, and propose solutions to optimize performance.
• Stay up-to-date with backend technologies, trends, and best practices, and evaluate their potential impact on our systems and processes.
• Implement security and data protection measures
• Troubleshoot and debugging issues to ensure seamless operation of backend systems
• Document processes, procedures, and configurations to facilitate knowledge sharing and ensure consistency.

• Proven experience as a Senior Java/NodeJS Engineer, with minimum 5 years of experience in designing and building high-traffic backend systems using Java.
• Strong proficiency in Java/NodeJS and its ecosystem
• Solid understanding of database technologies such as PostgreSQL, MySQL, MongoDB, Redis databases.
• Experience in designing and building RESTful APIs and microservices architectures.
• Experience with message queue systems such as Amazon SQS, Amazon SNS, Kafka, RabbitMQ.
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform.
• Knowledge of containerization and orchestration tools such as Docker and Kubernetes.
• Understanding of Agile software development methodologies such as Scrum.
• Strong problem-solving skills and the ability to troubleshoot complex technical issues.
• Excellent communication and collaboration skills, with the ability to work effectively in a team environment.
• Experience with End-to-End Encryption (E2EE)/VPN is a plus.
• Understanding of DevOps practices, including continuous integration and deployment (CI/CD), containerization (e.g., Docker), and orchestration tools (e.g., Kubernetes).
• Good knowledge of secure coding practices.
• Excellent at teamwork and communication, great attention to detail.

● Annual leave 15 days per year

● Health Insurances, social insurance

● Performance review: once per year

● 13th-month salary

● Internal training/sharing and professional Training courses

● Team building, company trip, year-end party, monthly activities,....

● Devices: Macbook and screen (If needed)

● Free tea and coffee

● Comfortable working Area

● Working hours: 9 am-6 pm from Monday to Friday