Role Overview:
We are seeking a highly skilled and passionate Senior Software Engineer with a proven track record of success in designing, developing, and deploying robust and scalable microservices. You will play a critical role in building the core FinTech infrastructure of Vietpay, contributing to the development of innovative financial products and services that empower our customers. You’ll be working in close collaboration with our App Developers along with Scrum team to integrate mobile apps.

Key Responsibilities:
• Design, develop, and deploy high-performance and scalable microservices using Java and Python.
• Implement and maintain RESTful APIs and integrate them with various internal and external systems.
• Develop and maintain robust and efficient data models using relational databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Neo4j).
• Leverage GraphQL for API design and efficient data querying.
• Implement and manage message queues (Apache Kafka) and caching solutions (Redis) for optimal data flow and performance.
• Develop and maintain CI/CD pipelines using Jenkins and other automation tools for continuous delivery.
• Ensure the security, reliability, and performance of all microservices through rigorous testing and monitoring.
• Collaborate effectively with cross-functional teams, including Product Managers, UX/UI Designers, and QA Engineers, to ensure successful product delivery.
• Proactively identify and implement technical improvements and best practices to enhance the efficiency and scalability of our systems.
• Stay abreast of the latest advancements in cloud computing, microservices architecture, and relevant technologies.
• Actively participate in code reviews and mentor junior engineers. Qualifications:
Bachelor's or Master's degree in Computer Science/Engineering or a related field with 5+ years of experience.

Technical Skills:
• Strong proficiency in Java and Python programming languages.
• Experience with serverless computing platforms (e.g., AWS Lambda).
• In-depth knowledge of relational databases (MySQL, PostgreSQL) and NoSQL databases (MongoDB, Neo4j).
• Experience with GraphQL for API design and data querying.
• Hands-on experience with message queues (Apache Kafka) and caching solutions (Redis).
• Proficiency in AWS cloud services (EC2, S3, Lambda, RDS, ECS, EKS).
• Experience with containerization (Docker) and orchestration (Kubernetes).
• Strong understanding of CI/CD principles and experience with tools like Jenkins, GitLab CI/CD, or CircleCI.
• Solid understanding of software design patterns, data structures, and algorithms.
• Experience with Git or other version control systems.
• Strong work ethic and a passion for delivering high-quality software. Preferred Skills:
• FinTech domain knowledge.
• Agile development methodologies (Scrum, Kanban).
• Testing frameworks (JUnit, pytest) and test-driven development (TDD).
• Contributions to open-source projects. Soft Skills:
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork abilities.
• Proactive and innovative mindset, with a focus on delivering high-quality results.