Celeste Whelan
Meridian,USA
Summary
Senior Software Engineer specializing in full-stack development of enterprise-level applications with .NET technologies. Successfully led redesigns and integrations that improved user experiences and increased conversion rates, driving significant business impact while leveraging AI-assisted tools for efficient feature delivery.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Senior Software Engineer
Scentsy, Inc
Meridian, USA
10.2019 - 04.2026
- Developed and maintained multiple enterprise-level ASP.NET MVC applications across the full stack, owning features end-to-end from C# business logic and SQL Server through Razor views, Knockout.js, and Vue.js front-ends on a high-traffic global e-commerce platform serving multiple international markets
- Led a multi-phase checkout redesign across CWS and PWS flows, delivering full-stack changes to shipping address, consultant selection, payment, and order confirmation pages, including back-end service updates, access point shipping integration, and responsive front-end component work
- Led end-to-end UI implementation of a full enterprise website rebrand, including style guide adoption, site-wide SCSS/Bootstrap overhaul, Razor view refactoring, and Contentstack CMS-driven content integration, delivering a fully responsive experience across all breakpoints
- Built and maintained Scentsy Club’s subscription platform across the full stack: subscription management UI, loyalty rollup tasks, HPI/AGMB eligibility logic, skip/cancel flows, cross-border subscription handling, and SNS/SQS event-driven order processing
- Implemented server-side Conversions API integrations for Facebook, TikTok, and Pinterest, including event deduplication, SHA-256 data normalization, and EMQ parameter handling; also added Meta and Pinterest pixels to CWS and implemented Google Consent Mode v2 for EU compliance
- Implemented conversion tracking pipelines with event deduplication, SHA-256 data normalization, and platform-specific parameter handling across major advertising platforms
- Developed AWS Lambda functions for product indexing, Talon.One campaign syncing, and fulfillment order processing; built data pipeline infrastructure using SNS/SQS, Kinesis Firehose, and Glue to sync promotion data to a bronze-tier data lake
- Optimized SQL Server databases for improved query performance and system efficiency
- Implemented and managed 100+ Talon.One promotion campaigns across global markets, including coupon codes, bundle/combo discounts, giveaway items, and VAT-aware logic for European storefronts; also built a presale/pre-order system with deposit T&Cs, redemption flows, and CartStack back-in-stock and coming soon email integration
- Designed a homepage personalization system using Contentstack Personalize Edge SDK with Lytics audience targeting, including variant resolution, impression/conversion tracking, recently-viewed product rendering via the Lytics entity API, and a server-side cookie fix for Safari ITP identity stitching
- Leveraged AI-assisted development tools including Claude Code and Kiro CLI to accelerate feature development, code review, and troubleshooting, while retaining full ownership and understanding of all production code
.NET Application Developer
Pets Best Insurance
Boise, USA
06.2013 - 10.2019
- Created Web API for third-party quote and plan management; overhauled enrollment site for desktop and mobile using Bootstrap to ensure responsive design and accessibility
- Designed and maintained customer-facing and internal websites in ASP.NET MVC 5 with Razor to enhance user experience and streamline access to information
- Built multi-step online claim submission process and veterinarian search tool using Vue.js to simplify user interactions and improve service delivery
Education
Bachelor of Science - Computer Science
Neumont University
South Jordan, UT04-2012
Skills
- C#
- ASPNET MVC
- NET Core
- JavaScript
- React
- Nodejs
- REST API
- Microservices
- AWS Lambda
- HTML5
- CSS3
- SCSS
- Vuejs
- Bootstrap
- SQL Server
- MongoDB
- PostgreSQL
- Redis
- S3
- AWS CloudFormation
- S3
- SNS/SQS
- Kinesis Firehose
- Glue
- IIS
- Git
- GitHub
- Visual Studio
- Jira
- Figma
- Gulp
- Code review tools
- Command line tools
- Full-stack development
- Unit testing
- Responsive design
- Agile/scrum
- Search optimization
- Social media integration
- Promotional campaigns
- Email automation
- Google Analytics
Certification
AWS Certified Cloud Practitioner, 01/01/20
AI Tooling
Daily user of Claude Code for feature development, code review, refactoring, and debugging across full-stack .NET and React projects. Built and deployed multiple personal projects using React, TypeScript, and Vite with Claude Code as the primary development tool, including a resume site and a family event discovery app (kiddo-app) built on Supabase and Cloudflare Pages. Uses AI-assisted workflows to reduce time-to-delivery while maintaining full understanding and ownership of all code shipped to production.
Timeline
Senior Software Engineer
Scentsy, Inc
10.2019 - 04.2026
.NET Application Developer
Pets Best Insurance
06.2013 - 10.2019
Bachelor of Science - Computer Science
Neumont University