Senior Software Engineer (Python)

About the Role We are seeking an experienced Senior Software Engineer with strong technical expertise, analytical thinking, and the ability to independently deliver high-quality software solutions. You will be responsible for developing and enhancing complex applications, translating business requirements into technical solutions, and ensuring software quality, reliability, and maintainability. The ideal candidate is a hands-on engineer who can navigate complex technical challenges, collaborate effectively with international stakeholders, and support the development of other engineers. Work Location: Onsite in Ho Chi Minh Key Responsibilities Software Development & Technical Design - Design, develop, test, and maintain software applications using Python, Java, and other relevant technologies. - Translate functional and business requirements into clear, scalable technical specifications. - Analyze complex requirements, identify dependencies, and anticipate potential technical challenges. - Develop advanced application features and components while ensuring code quality, performance, and maintainability. - Understand existing application architecture, integration points, and data structures to deliver effective technical solutions. - Evaluate existing code and components for reuse or enhancement before introducing new implementations. - Follow established coding standards, development processes, and software quality guidelines. Problem-Solving & Application Support - Independently investigate complex software defects, identify root causes, and implement sustainable solutions. - Troubleshoot application issues and provide technical support within agreed service expectations. - Identify potential risks affecting functionality, performance, scalability, or delivery timelines. - Communicate technical issues and proposed solutions clearly to both technical and non-technical stakeholders. - Maintain accurate technical documentation, troubleshooting records, and development updates. Collaboration & Technical Mentorship - Collaborate with engineers, technical leads, and business stakeholders to clarify requirements and deliver solutions. - Conduct code reviews and provide constructive feedback to improve engineering quality. - Mentor junior engineers through technical guidance, knowledge sharing, and problem-solving support. - Proactively communicate progress, dependencies, risks, and blockers. - Contribute to continuous improvement of development practices and team effectiveness. Ownership & Delivery - Take ownership of assigned technical deliverables from requirement analysis through implementation, testing, and release support. - Estimate effort, prioritize technical activities, and deliver within agreed timelines. - Work independently with limited supervision while maintaining alignment with the broader engineering team. - Identify opportunities to improve application quality, engineering efficiency, and maintainability. Requirements - At least 5 years of professional software development experience. - Strong hands-on programming experience with Python and/or Java. - Solid understanding of object-oriented programming, algorithms, data structures, and software design principles. - Experience developing, maintaining, and troubleshooting complex software applications. - Ability to translate functional requirements into technical designs and implementation plans. - Good understanding of software architecture, application integration, databases, and system dependencies. - Experience with debugging, automated testing, version control, and code review practices. - Strong analytical thinking, root-cause analysis, and independent problem-solving capabilities. - Ability to manage technical priorities, identify delivery risks, and communicate proactively. - Experience collaborating with cross-functional or international engineering teams. - Willingness to learn and work with unfamiliar programming languages, proprietary systems, and complex enterprise applications. Nice to Have - Experience with SQL, relational databases, and data-intensive applications. - Experience with REST APIs, backend services, and system integration. - Exposure to enterprise software or business-critical applications. - Experience supporting production applications and investigating customer-reported issues. - Experience mentoring junior engineers or conducting technical knowledge-sharing sessions. - Familiarity with Agile/Scrum methodologies. - Experience in healthcare technology, financial services, or other regulated industries. What We Offer - Opportunities to work on challenging international software engineering projects. - Ownership of meaningful technical deliverables and complex engineering challenges. - A collaborative environment that values engineering excellence, accountability, and knowledge sharing. - Opportunities to mentor other engineers and contribute to technical best practices. - Continuous learning and professional development opportunities. - Long-term career growth within a technology-focused organization.