Sreyleth Vuth Timmer
Senior Backend Developer
About Me
Hi there!My name is Sreyleth Vuth Timmer. I was born and raised in Phnom Penh, Cambodia, and now reside in Southern California, USA.I proudly serve as a Senior Backend Developer, with a strong focus on SQL Server and RESTful API. My passion lies in working with data, and my aspiration is to evolve into a Data Engineer and Machine Learning Engineer.Thank you for taking the time to visit my website! Feel free to explore, and don't hesitate to reach out if you'd like to chat or perhaps meet over coffee.Cheers!
Resume
Sreyleth Vuth Timmer
sreylethvuth@gmail.com | www.linkedin.com/in/sreyleth-vuth-timmer/WORK EXPERIENCE
UPG Enterprise LLC - Chicago, IL
SQL Developer (Remote) Sept 2023 - Present
• Implemented an ETL process to optimize the extraction, transformation, and loading of "shipped" data from various ERP (Enterprise Resource Planning) sources into a SQL Server backend pipeline in the Data Warehouse. The resulting data is used in Tableau to create visualization reports for the Flat Roll President, enabling access to comprehensive company 'shipped' reports and leading to a 30% improvement in revenue tracking and strategy.
• Worked in close collaboration with management and Tableau developers to design and build Tableau reports, focusing on enhancing the scalability of the SQL Server backend infrastructure through efficient ETL processes.
• Resolved Tableau API call issues in Postman, enabling automatic daily SQL Server table refresh in Tableau, thereby streamlining operations and increasing efficiency.Pacific Dental Services - Irvine, CA
Senior Backend Developer Jan 2020 - Aug 2023
• Mentored and provided guidance to a team of 2 software developers and 1 intern, improving their coding proficiency by 30%.
• Achieved a 78% reduction in page load times for the "Credit Card Processing Payment" page through SQL optimization.
• Implemented optimized coding techniques in the CapEx data entry system, reducing error rates by 80%.
• Developed dynamic stored procedures, cutting financial reporting processing time by 70%.
• Integrated Epic health record system with dental applications, boosting efficiency by 30%.
• Anonymized PHI patient data in the testing phase using Python and Microsoft SQL Server.
• Architected the Accounting Reconciliation pipeline between Epic Chronicle and Epic Clarity, using SSIS packages, SQL Server stored procedures, SQL jobs, and automated email reports.
• Automated provider ID reconciliation from QSI to Epic on Provider Goal page via SQL server trigger.
• Architected and built the "Daily Financial Summary Message to Executives" pipeline in the Epic database using MuleSoft APIs, Microsoft SQL Server, and SQL Scheduled Job (ZappySys).
• Developed MuleSoft RESTful APIs to link SQL Server stored procedures with RingCentral Glip via OAuth 2.0 Password Grant Type.
• Created dimensional schemas in Snowflake and wrote queries for the Patient Dashboard project.
• Developed an AWS API Gateway REST API with Lambda integration in Python for the Patient Dashboard project.
• Created data schema and queries in AWS Aurora MySQL for the Revenue Builder project.
Software Developer - 2016-2019
• Resolved IT Help Desk Tickets using Microsoft SQL Server.
• Collaborated with Accounting/Finance and Marketing teams to improve and develop systems using CMS Ektron, C#,
ASP.Net, and Microsoft SQL Server.EDUCATION
University of California, Irvine
Bachelor of Science: Computer Science And Engineering 2016CERTIFICATIONS
• AWS Certified Cloud Practitioner, Issued 2023
• Mulesoft Certified Developer - Level 1 (Mule 4), Expired 2021 (renewable upon job offer)SKILLS
• Languages: Microsoft SQL Server, MuleSoft, Python, C#, .NET
• Tools: SSMS, Postman, Tableau, MuleSoft Anypoint Studio and Platform, Snowflake and Snowsight, CMS Ektron,
AWS Aurora MySQL
• Source Control: TFS, Bitbucket, Git Command Lines
• CI/CD: Bamboo
• Others: Agile Software Development Life Cycle, User requirements analysis, Code validation, Technical
documentation in Confluence, Technical flow design in LucidchartREFERENCES
Available upon request. Recommendations viewable at my LinkedIn profile: www.linkedin.com/in/sreyleth-vuth-timmer/
Portfolio
COMING SOON...
Contact
Interested in chatting? I'm always excited to connect with new people! Feel free to send me an email and I'll be sure to get back to you as soon as I can. Thank you for reaching out!