Smailyn Feliz
@smailynfeliz
Full-stack developer blending QA test automation and AI curiosity to build reliable web experiences.
Dominican RepublicWhat I'm looking for
I’m a Full Stack Developer focused on building and maintaining web applications end-to-end, handling both frontend and backend work. I’ve implemented features, integrated APIs and databases, and optimized performance to improve the user experience.
My foundation includes QA and test automation using Playwright and Postman, and I’m comfortable owning work end-to-end. I also bring a growing focus on applied AI and enjoy collaborating across cross-functional teams.
Before dev, I strengthened my customer-first and problem-solving mindset through technical support for cellular networks and routers, plus customer service and sales. I also worked managing and processing insurance claims—tracking coverage, verifying policies, and resolving issues with accuracy.
Experience
Work history, roles, and key accomplishments
Full Stack Developer
OrionTek
Oct 2025 - Feb 2026 (4 months)
Built and maintained full-stack web applications across frontend and backend. Implemented features integrating APIs and databases, and optimized performance and user experience.
QA Analyst
Global Solid Source
May 2023 - Oct 2025 (2 years 5 months)
Managed and processed insurance claims, including tracking and verifying coverage and policies. Resolved claims and made necessary adjustments.
Technical Support
PBSC Center
Aug 2022 - May 2023 (9 months)
Provided technical support for cellular networks and routers. Advised customers on telecommunications plans and services, and tracked technical issues while communicating effectively.
Customer Service/Sales
Call Max Dominicana
Feb 2018 - Oct 2019 (1 year 8 months)
Handled customer service and advised customers on telecommunications plans. Resolved issues and met sales targets.
Education
Degrees, certifications, and relevant coursework
Alterna Academy
Full Stack Developer, Full Stack Development
2025 -
Listed education at Alterna Academy for a Full Stack Developer program starting Sep 2025. Focused on full-stack development skills.
Alterna Academy
JavaScript Foundational, JavaScript
Listed certification/course in JavaScript Foundational.
Alterna Academy
Relational Database, Databases
Listed certification/course in Relational Database.
Alterna Academy
Applied AI — Anthropic Claude 101 / Claude Code in Action, Applied AI
Listed certification/course in Applied AI with Anthropic Claude 101 and Claude Code in Action.
Alterna Academy
Foundational C# — Microsoft, C#
Listed certification/course in foundational C# under Microsoft.
Alterna Academy
JavaScript Algorithms & Data Structures (V8), JavaScript Algorithms & Data Structures
Listed certification/course in JavaScript Algorithms & Data Structures (V8).
Tech stack
Software and tools used professionally
Availability
Location
Dominican RepublicAuthorized to work in
Job categories
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