Lun Xu
Engineering Manager
Tokyo
Summary
Seasoned software engineer with over 20 years of expertise in object-oriented project design and development. Possesses a strong technical background and a proven track record as an effective problem solver. Committed to streamlining operations to reduce costs and enhance organizational efficiency.
Overview
23
23
years of professional experience
4
4
years of post-secondary education
3
3
Languages
Work History
Manager
Rakuten Group, Inc.
02.2020 - Current
- Recruited, and onboarded a diverse and talented global development team from scratch.
- Cross-trained existing employees to maximize team agility and performance.
- Fostered a positive and inclusive team culture that encourages collaboration, innovation, and continuous improvement.
- Developed and implemented training programs to enhance the skills and knowledge of team members.
- Conducted regular performance reviews and provided constructive feedback to support professional growth.
- Identified and addressed skill gaps within the team and created development plans to bridge them.
- Oversaw the development, delivery, and maintenance of multiple products, ensuring they met quality standards and project timelines.
- Collaborated with cross-functional teams, including product management, design, and QA, to ensure seamless product development and delivery.
- Monitored and managed project progress, identifying and mitigating risks to ensure successful outcomes.
- Utilized strong analytical skills to assess complex situations and develop effective solutions.
- Implemented best practices and methodologies to optimize development processes and improve efficiency.
- Maintained positive customer relations by addressing problems head-on and implementing successful corrective actions.
- Drove operational efficiency through data-driven decision-making processes, leveraging analytics tools for informed strategy development.
Senior Software Engineer
Rakuten Group, Inc.
08.2018 - 01.2020
- Streamlined development workflows, increasing team efficiency and reducing time spent on repetitive tasks.
- As a major contributor, participated in the architecture, design, and implementation of the backend features of a large-scale distributed system using Java.
- Contributed Infrastructure as code implementation with Chef(Ruby).
- Maintained comprehensive documentation of development work, facilitating knowledge sharing among team members.
- Contributed ideas and suggestions in team meetings and delivered updates on deadlines, designs, and enhancements.
- Analyzed work to generate logic for new systems, procedures, and tests.
Full Stack Engineer
Rakuten Group, Inc.
08.2015 - 07.2018
- Designed and implemented scalable, reliable, and high-performance distributed systems for data center bare-metal server management.
- Built databases and table structures and introduced multiple-active global database cluster to the system.
- Ensured the architecture supports the needs of a global user base, including considerations for latency, data consistency, and fault tolerance.
- Verified and integrated several open-source solutions to the system.
- Understood full technology stack and underlying applications, services, and databases, resulting in optimal program performance.
- Increased application performance by identifying bottlenecks and optimizing code for efficiency.
- Analyze current system architecture and identify areas for improvement to support distributed requirements.
- Enhanced system resilience by proactively monitoring application logs for potential issues, and troubleshooting problems as they arose.
- Engaged in system operations and troubleshooting tasks, ensuring smooth performance and quick resolution of issues.
Senior Software Engineer
Simplex, Inc.
03.2013 - 07.2015
- Collaborated with clients to define solution requirements.
- Designed and developed FX Trading System features.
- Implemented trading algorithms to enhance client profitability.
- Worked flexible hours across night, weekend, and holiday shifts for alert on-call.
Software Engineer
Sun Japan Corporation
05.2004 - 02.2013
- Investigated new and emerging software applications to select and implement administrative information systems.
- Reviewed project specifications and designed technology solutions that met or exceeded performance expectations.
- Documented software development methodologies in technical manuals to be used by IT personnel in future projects.
- Collaborated with management, and internal and development partners regarding software application design status and project progress.
Software Engineer
USTC E-Business Technology Co., Ltd
07.2001 - 04.2004
- Developed foundational skills in object-oriented design and programming.
- Participated in various development projects, contributing to both front-end and back-end tasks.
- Led small teams in the design, development, and testing of software functionalities, ensuring alignment with project requirements and timelines.
- Oversaw the end-to-end project lifecycle, including final project acceptance and handover, ensuring client satisfaction and project success.
- Conducted code reviews and provided mentorship to team members, fostering a collaborative and productive work environment.
- Participate in the initial project design phase, collaborating with onshore teams to gather and understand project requirements.
- Acted as a Bridge SE between the onshore and offshore teams, effectively communicating requirements and project goals.
- Managed the development and testing phases as a Project Manager, coordinating efforts and ensuring the successful delivery of the project within scope and on schedule.
Education
Bachelor of Science - Computer Science Application Technology
Anhui University
Anhui, China 09.1997 - 07.2001
Skills
Schedule Management
Time Management
Problem-solving aptitude
Emergency Response
API Design and Development
System improvements
Source and Version Control: Git, Github
Continuous Integration and Deployment
Timeline
Manager
Rakuten Group, Inc.
02.2020 - Current
Senior Software Engineer
Rakuten Group, Inc.
08.2018 - 01.2020
Full Stack Engineer
Rakuten Group, Inc.
08.2015 - 07.2018
Senior Software Engineer
Simplex, Inc.
03.2013 - 07.2015
Software Engineer
Sun Japan Corporation
05.2004 - 02.2013
Software Engineer
USTC E-Business Technology Co., Ltd
07.2001 - 04.2004
Bachelor of Science - Computer Science Application Technology
Anhui University
09.1997 - 07.2001
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