- Drove development of scalable cloud services powering global maps and location platforms leveraging Java, Spring Boot, and AWS ECR, ECS, API Gateway. - Automated data cleansing processes for global market expansion, building a robust serverless architecture with AWS Batch, EventBridge, S3, Lambda, Python, and Pandas.- Created CI/CD pipeline to automate the release process, enabling efficient and streamlined deployments, and reducing deployment time from 6 to 1.5 hours.- Produced monthly reports using AWS CloudWatch insight on 8 key metrics like 5xx/4xx error, responding time, etc.- Took on the role of Scrum Master, facilitating the implementation of Scaled Agile Framework (SAFe) processes. Collaborated with diverse and distributed teams from Romania, Germany, and Portugal to ensure alignment of the development progress and fostered effective partnerships.- Facilitated quality, code, and test case review meetings to uphold high development standards throughout the software development life cycle.

- Took on a crucial role as a Senior Full Stack Engineer in developing the KPMG Smart Application Factory, using Sprint Boot, React.js, Docker, and Jenkins. Led core development efforts for the component library module, implementing the visitor pattern to handle various AST nodes' content and generate source code for both frontend and backend systems. Implemented locking mechanisms using Redis to prevent concurrent edits of the same page in collaborative environments. (https://digitalspace.lighthousekpmg.com/digital-space-webui/detail/low-code)- Designed and deployed the KPMG Collaboration Centre (KCC) locally and on cloud servers using Tomcat, Nginx, and Docker, addressed user experience issues during multiple file downloads, ensuring smoother interaction, optimised SQL queries, achieving a 60% performance improvement. Enhanced user login authentication architecture, integrating Shiro + JWT for diverse authentication methods. (https://kpmg.com/cn/en/home/insights/2020/08/kpmg-collaboration-centre.html

- Played a pivotal role as a Senior Software Engineer in crafting the KPMG Datalake using Spring Boot, Vue.js, and TypeScript. Developed an ETL process scheduling module based on Zookeeper, orchestrating and monitoring data processing workflows. Implemented user password policies in Java, incorporating features like password complexity, periodic changes, history checks, and expiration alerts. (https://kpmg.com/cn/zh/home/social/2019/08/kpmg-data-lake.html)- Proactively handled user feedback and bug reports, showcasing a commitment to continuous improvement and user satisfaction throughout the development lifecycle.

- Designed and implemented features using React.js, Spring Boot, and MySQL, and deployed the application on the Openshift platform.- Collaborated with the product team for requirement analysis, and developed functional modules based on business needs.- Conducted code reviews, and worked with the testing team for quality assurance.- Resolved production issues, and provided support to other teams.