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Bien Carlo San Jose

Software Engineer • Specialized in Java, Python and Javascript • I turn data into digital products that enhance user experience
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Email: ****@****.***
Location: Kawasaki, Kanagawa, Japan
Current employer: Rakuten
Current title:
Senior Software Engineer
Last updated: 02/04/2026 17:49 PM
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About

Bien Carlo San Jose is from Kawasaki, Kanagawa, Japan. Bien Carlo San is currently Senior Software Engineer at Rakuten, located in Japan. Bien Carlo San also works as Web Developer at Shang Primea Inc., a job Bien Carlo San has held since Jan 2017. Another title Bien Carlo San currently holds is Application Engineer at Ultima Gaming Sdn Bhd.

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Bien Carlo San Jose's current jobs
Company: Rakuten
Title: Senior Software Engineer
Period: Jan 2019 - Present (7 years, 3 months)
Location: Japan

- Modified and created customized and standard applications in line with software engineering best practices and standards. - Automated, maintained and optimized systems and software infrastructure for clients. - Troubleshoot software changes before and after releases to correct problems and enhance performance. - Tested and corrected problems with code and implementation to improve usability and better serve customers. - Used Jira to facilitate project management and team communication. - Debugged applications to resolve logical and programming issues. - Created training documents for department to educate members on web service implementations. - Designed, developed and deployed software to meet business needs. - Updated existing software to resolve errors and adapt it to new performance requirements. - Collaborate with product managers, designers, and other stakeholders to understand project requirements and translate them into technical specifications. - Design and develop robust, scalable, and maintainable web applications using modern technologies and best practices. - Build and maintain efficient front-end components using HTML, CSS, and JavaScript frameworks Angular - Develop server-side logic and APIs using Java. - Implement and maintain database solutions using relational databases (PostgreSQL) - Write clean, well-documented, and testable code, and conduct code reviews to ensure code quality and adherence to coding standards. - Troubleshoot and debug issues, perform root cause analysis, and implement effective solutions.

Company: Shang Primea Inc.
Title: Web Developer
Period: Jan 2017 - Present (9 years, 3 months)
Location: Makati, National Capital Region, Philippines

- Designed APIs to allow outside applications and sites to interact smoothly with websites. - Developed websites to work properly across Microsoft, Google and Mozilla browsers. - Worked on back end to develop server logic protocols and manage database connections. - Created error-free code in HTML, Java and PHP. - Collaborated with design team to create attractive and user-friendly websites. - Used coding skills to build prototype sites according to designer vision. - Created sites and implemented special features to achieve functionality outlined in project designs. - Integrated e-commerce strategies into client websites to meet business demands.

Company: Ultima Gaming Sdn Bhd
Title: Application Engineer
Period: Jan 2017 - Present (9 years, 3 months)
Location: Cyberjaya, Selangor, Malaysia

- Created components and systems to isolate parts for test-driven development. - Collaborated with team to implement new features and elements for various platform versions. - Automated, maintained and optimized systems and software infrastructure for clients. - Ran tests on code to confirm proper functionality and desired results, identifying and diagnosing errors. - Wrote readable and clean code to support software objectives at optimal functionality. - Diagnosed program malfunctions, identifying root causes and implementing corrective solutions. - Designed and updated software systems to meet customer needs and exceed expectations. - Tested server loads to determine whether the system infrastructure could handle expected user demands.

Company: Truelogic - Digital. Strategy. Results.
Title: Python Developer
Period: Jan 2016 - Present (10 years, 3 months)
Location: Makati, National Capital Region, Philippines

- Created REST APIs and integrated backward-compatible features for tailor-made software that improved integration with third-party applications and operating systems. - Conveyed data results using graphs and charts. - Collected data by means such as surveys and opinion polls. - Addressed and resolved business issues by analyzing various types of data. - Used data cleansing software to manipulate and analyze raw data.

Company: Narra Systems LLC
Title: Software Development Engineer
Period: Jan 2013 - Present (13 years, 3 months)
Location: Makati City, Philippines
Company: Smart Communications, Inc.
Title: Intern
Period: Jan 2013 - Present (13 years, 3 months)

Web Developer, We created a web based experts finder and social network for the employees fo Smart Communications.

Bien Carlo San Jose's top skills
Elastic Stack (ELK) Grafana HTML5 Cascading Style Sheets (CSS) PostgreSQL Microsoft Azure Spring Boot Spring Framework React.js Oracle Database Elasticsearch Scala Ruby JavaScript AngularJS Vue.js Java TypeScript Node.js MongoDB
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