Thiri Yadanar Aung
ServiceNow Developer
Summary
ServiceNow Developer with 3.5 years of experience in ITSM and CSM application design, development, and maintenance, ensuring system stability during upgrades. Skilled in building secure RAG search applications using AWS with authentication and secure access. Experienced in network configuration, traffic visualization, and programming projects in PHP and Java during internships and university.
Overview
5
5
years of professional experience
7
7
Certifications
3
3
Languages
Work History
Lead ServiceNow Developer
NTT-AT
11.2022 - Current
- Built two applications from scratch and enhanced or modified four more, including CSM and ITSM solutions, while maintaining six applications through upgrades, testing, and error analysis.
- Created custom solutions such as widgets, data queries, access controls, UI actions, client scripts, flows, and business rules meeting timelines with zero release errors and achieving a 90% customer satisfaction rate.
- Enhanced functionality on release projects by adding table records, refining workflows, and updating scripts and notifications delivered with zero downtime or impact, ensuring seamless support for new and existing customers.
- Delivered 85% of development work independently, reducing deployment workload of teammate by 80% and cutting development costs by 90%.
- Integrated ServiceNow with Zabbix, email, and Azure Sentinel, automating tickets and reminders to speed operations by 30 minutes per ticket and reduce repetitive manual work by 60%.
- Designed self-service portal and knowledge base, improving resolution rates and reducing request load by 30%.
- Perform update set migrations, implemented servicenow upgrade plans, bug fixes, minimized downtime by 95%, and deployed ATF to cut manual testing by 50%.
AWS Developer
NTT-AT
04.2025 - Current
- Built an internal-use RAG search website to consolidate data from scattered locations such as Teams, SharePoint, and Box, reducing manual search efforts, while designing and implementing secure authentication and access controls, including IP filtering, and developing the static UI page for search, reducing search time from 30 minutes to under 5 minutes per query and consolidating 100% of scattered documents into a single search platform.
- Collaborated with senior developers while independently handling 80% of authentication and RAG functionality, enhancing the project’s security standards by 95%.
- Utilized AWS services including Kendra, Bedrock, Lambda, Cognito, CloudFront, Route 53, Amplify, S3, API Gateway, WAF and Certificate Manager, S3 to build a fully secure application.
Internship Student
NTT-AT
05.2020 - 08.2020
- Designed network topology and configured alias tools for the internal network, enhancing security by 10% and increasing deployment speed by 20%.
- Collected and visualized network traffic data, providing real-time dashboards for proactive monitoring, improving reliability, identifying anomalies, and reducing incident response time by 50%.
Education
Bachelor of Computer Science - High Performance Computing
University of Information Technology
Myanmar11.2023
Skills
Programming & Scripting: JavaScript, AngularJS, Glide API, AJAX, XML, PHP, Python, Java, HTML, CSS
Databases: RDBMS, SQL, MariaDB, ETL Processes
Development Methodologies: Agile, Waterfall
ServiceNow: Scoped Application & Data Modeling, Form/UI Configuration, Server-Side Development (Business Rules, Script Includes, UI Actions, Event Registry), Client-Side Development (Client Scripts, UI Policies), Access Control (ACLs), Notifications, Service Portal (Pages, Widgets), Service Catalog, Flow Designer, Integrations (Azure, Zabbix)
AWS: Kendra, Bedrock, Amplify, Cognito, Lambda, CloudFront, API Gateway, Route 53, IAM, S3, Lex
Certification
ServiceNow Certified System Administrator
Timeline
AWS Developer
NTT-AT
04.2025 - Current
AWS Certified Solutions Architect - Associate
01-2024
Lead ServiceNow Developer
NTT-AT
11.2022 - Current
Internship Student
NTT-AT
05.2020 - 08.2020
Bachelor of Computer Science - High Performance Computing
University of Information Technology
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