Senior/ Principal Backend Engineer (Java/ Kotlin)

Technical Lead (Java)

Ho Chi Minh, Ha Noi - Viet Nam

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#Technical Leadership Lead and mentor a team of backend engineers across multiple functional domains. Provide technical direction and ensure alignment with architecture standards and engineering best practices. Review solution designs, code quality, and implementation approaches - promoting clean architecture, resilient microservices, and AI-enhanced development patterns. Guide the team in diagnosing complex technical challenges, using both traditional analysis and AI-powered debugging or observability tools. Support planning, estimation, and technical decision-making within the engineering team. Backend Architecture & Development Design and develop backend services using Java and modern backend frameworks (e.g., Spring Boot). Define and implement microservices-based architecture and API-driven systems. Ensure backend services are scalable, secure, resilient, and maintainable. Drive best practices in backend development, including maintainable system design, automated testing, code quality, API governance, performance optimization and documentation. Work closely with DevOps teams to support CI/CD pipelines, incorporate intelligent automation, and ensure stable, secure deployment environments. Integrate AI-assisted development practices into coding, testing, documentation, code reviews, and defect prevention workflows. #Banking & Payment Domain Design backend systems supporting banking products and financial transaction processing. Build and maintain services related to payments, card processing, financial operations, and core banking functions. Ensure backend implementations comply with financial industry standards and security requirements. Collaborate with business and product teams to translate banking and financial requirements into technical solutions. #Client Collaboration & Delivery Work directly with client stakeholders, architects, and product owners to understand business processes, requirements and define technical solutions. Challenge and clarify requirements with curiosity dig deep into the "why" behind business needs. Participate in architecture discussions and technical workshops with client teams. Communicate technical designs, trade-offs, and solutions clearly to both engineering teams and non-technical stakeholders. Support project delivery by ensuring technical risks are identified and mitigated early.

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Lead Data Engineer

Ho Chi Minh, Ha Noi - Viet Nam

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• Data Engineering
• Management

Architect, develop, and maintain scalable data infrastructure, including data lakes, pipelines, and metadata repositories, ensuring the timely and accurate delivery of data to stakeholders. Work closely with data scientists to build and support data models, integrate data sources, and support machine learning workflows and experimentation environments. Develop and optimize large-scale, batch, and real-time data processing systems to enhance operational efficiency and meet business objectives. Leverage Python, Apache Airflow, and AWS services to automate data workflows and processes, ensuring efficient scheduling and monitoring. Utilize AWS services such as S3, Glue, EC2, and Lambda to manage data storage and compute resources, ensuring high performance, scalability, and cost-efficiency. Implement robust testing and validation procedures to ensure the reliability, accuracy, and security of data processing workflows. Stay informed of industry best practices and emerging technologies in both data engineering and data science to propose optimizations and innovative solutions.

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Full-stack Lead (Android, Java)

Ho Chi Minh, Ha Noi - Viet Nam

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• Android

#Role Summary Lead the design and development of high-quality Android applications for banking projects in an Agile/Scrum environment Own the technical architecture and provide hands-on leadership across the full development lifecycle, from solution design to production deployment Drive scalable, secure, and high-performance mobile solutions aligned with modern Android best practices and enterprise standards Act as the technical authority for the Android domain, guiding the team on architecture, coding standards, and engineering excellence Contribute to backend/service integration and support end-to-end solution delivery as a full-stack Android technical leader when required Actively leverage AI tools to improve team productivity, code quality, testing coverage, and technical documentation Collaborate closely with cross-functional stakeholders, Solution Architects, and Delivery Leadership while mentoring and growing the Android engineering team#Key Activities Define and own the mobile architecture, technical roadmap, and engineering standards for Android applications Lead the design and development of complex, enterprise-grade Android solutions using Kotlin and Java Provide hands-on contribution to critical features, technical spikes, performance optimization, and integration layers Drive the adoption of Clean Architecture, MVVM, Jetpack Compose, and modularization strategies Review and approve technical designs, pull requests, and implementation approaches Ensure seamless integration with backend services, APIs, and external enterprise platforms Contribute to API design discussions and support backend collaboration for end-to-end delivery Establish and enforce best practices for code quality, testing strategy, CI/CD, and release management Identify technical risks, propose mitigation plans, and support delivery planning and estimations Coach and mentor Android developers, conduct technical training, and support career development Work closely with Product Owners, Scrum Masters, QA, DevOps, and Architects to ensure successful delivery

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