Tawan Wattana Email & Phone Number

Bangkok Metropolitan Area

- Contributed significantly to the development effort of an in-house loan software using Rust, replacing an outdated third-party system within a timeline of just one year. This resulted in cost savings of millions of Malaysian Ringgit annually, and significantly reduced support requirements, saving hundreds of man-days.- Collaborated closely with underwriters to conceptualize and implement a loan decisioning mechanism capable of dynamically composing and evaluating hundreds of criteria for loan applications.- Architected and implemented a loan management system, modeling various loan structures to ensure accuracy and compliance, thus optimizing revenue collection processes for thousands of loans.

Bangkok Metropolitan Area

- Developed the core system for an investment data pipeline and GraphQL APIs utilizing Rust, capable of processing data for hundreds of data types across millions of companies.- Assisted in configuring EKS, RDS, and IAM services on AWS using Pulumi, streamlining infrastructure setup and management.- Established an end-to-end observability pipeline for the entire core backend system, encompassing data collection, processing, monitoring, and alerting mechanisms to promptly respond to any anomalies or critical events.- Maintained automated unit tests and end-to-end tests, consistently improving code coverage to exceed 90% across all repositories, ensuring robustness and reliability of the codebase.

Nonthaburi, Thailand

- Collaborated closely with clients in the real estate industry to identify and develop new features on a quarterly basis aimed at enhancing the quality of life for homeowners.- Designed and implemented a subscription service providing various benefits to homeowner subscribers, earning millions of Thai Baht annually.- Spearheaded the development of a smart home device platform supporting over 20 types of devices which help selling them, enabling users to dynamically configure scenes and automate their homes for increased convenience and efficiency.- Achieved 80% improvement in server response time for the most frequently used APIs within a legacy codebase, enhancing overall system performance and user experience.