Wendyle Seno | Technical Support Engineer

About

Turning technical chaos
into clear solutions

I specialize in solving complex technical problems across SaaS and e-commerce platforms, with a focus on reliability, scalability, and clear communication. My work sits at the intersection of technical support, platform troubleshooting, and front-end systems within fast-moving product environments.

I bring a calm, structured approach to ambiguous issues and communicate technical details in ways that help teams move faster and users feel supported. From diagnosing integrations and storefront behavior to managing high-impact escalations, I deliver solutions that are durable, well-documented, and aligned with product goals.

🔍

Deep Troubleshooting

Root-cause analysis across API integrations, storefront behavior, widget configurations, and cross-platform compatibility issues.

⚡

Fast Resolution

Structured diagnostic workflows that reduce resolution time and prevent recurring issues through thorough documentation.

🎨

Front-End Expertise

Custom HTML, CSS, and JavaScript implementations for SaaS widgets and e-commerce storefronts across major CMS platforms.

🤝

Cross-Team Bridge

Technical liaison between customers, support teams, and engineering — translating complex issues into actionable tickets.

Experience

Career Timeline

A track record of solving hard problems and building support systems that scale.

Dec 2025
— Current

● Now

Dec 2025 – Current

Technical Support Engineer

Freelance

FreelanceRemote

Diagnose, troubleshoot, and resolve complex technical issues across a suite of SaaS applications while providing expert guidance on setup, configuration, optimization, and conversion-focused features. Collaborate closely with engineering and product teams, apply advanced HTML/CSS customizations, and serve as the technical liaison translating customer needs into effective solutions.

Jun 2025
— Dec 2025

Jun 2025 – Dec 2025

UGC Customizations Developer

Yotpo

Full-timeHybrid

Developed custom HTML, CSS, and JavaScript solutions for UGC widget implementations across Shopify, WordPress, and BigCommerce. Collaborated directly with enterprise clients to deliver pixel-perfect, responsive customizations while maintaining platform compatibility and performance standards.

Mar 2025
— May 2025

Mar 2025 – May 2025

Subject Matter Expert

Yotpo

Full-timeHybrid

Handled escalated technical support cases, mentored support team members, and created internal documentation to improve response quality. Served as the technical bridge between customers, support, and engineering teams for complex platform issues.

Mar 2024
— Mar 2025

Mar 2024 – Mar 2025

Technical Support Engineer

Yotpo

Full-timeHybrid

Provided frontline technical support through Salesforce ticketing and live chat. Diagnosed integration issues, troubleshot API connections, and guided customers through platform setup and configuration across multiple e-commerce ecosystems.

Aug 2022
— Mar 2024

Aug 2022 – Mar 2024

IT Support Intern & System Administration

CITE Technical Institute

Internship → Full-timeOn-site

Managed Windows OS environments, performed hardware troubleshooting, maintained network infrastructure, and provided end-user technical support. Built foundational skills in systematic problem-solving and clear technical communication.

Skills & Tools

Tech Stack

Tools and platforms I use to diagnose, fix, and build.

Development

Front-end implementation, diagnostics, and browser-level debugging.

HTMLCSSJavaScript Responsive DesignFront-End Debugging API TroubleshootingBrowser DevTools

Platforms

Commerce and SaaS surfaces where issues are reproduced and resolved.

Yotpo UGC Platform

Infrastructure

Systems, network, hardware, and maintenance fundamentals.

Windows OSBasic Networking Hardware TroubleshootingSystem Administration Software MaintenanceIT Inventory

Support & Workflow

Ticket handling, escalation hygiene, and durable documentation loops.

SavioLive Chat Support Technical DocumentationKnowledge Base Creation Escalation Handling

Selected Work

Projects built for real storefronts

A closer look at the front-end experiences I design and implement for e-commerce merchants.

Preorder pricing and campaign information widgets displayed on a Shopify product page

View live store

Essential Preorder appShopifyFront-end developmentTheme integration

Essential Preorder feature · 01

Preorder Campaign Widgets

Visit demo

Built as a new feature for the existing Essential Preorder app, these responsive storefront widgets make preorder savings, pricing, and fulfillment details clear at the moment customers decide to buy.

01

Variant-awareWidgets appear only when the selected product variant is available for preorder, keeping every message accurate and relevant.

02

Campaign-poweredPrices, discounts, and scheduled end dates come directly from the active campaign—no hardcoded values required.

03

Theme-readyDesigned responsively for Dawn and Horizon, the widgets are fully adaptable and can also work with other Shopify themes when their product templates are not heavily customized. Placement is managed through Shopify’s Online Store editor.

Merchants can request a preorder discount widget, an improved preorder description widget, or both. Future support is planned for campaign-level custom HTML, CSS, JavaScript, and Liquid.

Live demo Store password: test

Essential Apps Support Guide v2 dashboard showing app-specific support resources and reusable code snippets

Explore support guide

Support operationsShopify appsKnowledge systemWorkflow design

Support workflow project · 02

Essential Apps Support Guide v2

Open guide

A centralized Shopify support dashboard I created to replace the slow process of searching through lengthy, document-style support guides. It brings the resources agents need into one searchable, structured workspace.

01

Centralized knowledgeApp-specific troubleshooting guides, investigation checklists, reusable code snippets, ticket references, reply templates, internal updates, and support resources live in one place.

02

Guided case triageA structured investigation flow helps support agents document issues consistently and move from initial context to diagnosis more efficiently.

03

Ready-to-use outputsThe workflow generates organized ticket summaries, diagnoses, customer responses, and engineering escalations from the captured case details.

Designed to make troubleshooting faster, more organized, and more consistent—from the first investigation step through customer communication and engineering handoff.

Live project Public support workflow demo

What I Do

Core Services

From first-line triage to enterprise escalations — end-to-end technical support.

🎧

Technical & Customer Support

Expert-level support through ticketing systems, live chat, and escalation handling. I triage complex issues, communicate clearly, and ensure timely resolution across multiple channels.

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Technical Solutions

Deep troubleshooting of platform configurations, API integrations, and cross-platform compatibility. I diagnose root causes, implement fixes, and document solutions for team knowledge bases.

🎨

Front-End Customization

Custom HTML, CSS, and JavaScript for SaaS widgets, e-commerce themes, and UGC displays. Clean code, responsive design, and pixel-perfect implementation.

🛒

SaaS & E-commerce Support

Hands-on experience with Shopify, WordPress, BigCommerce, and UGC platforms. I bridge technical gaps between merchant needs and platform capabilities.

Why Work With Me