Jaelyn
Cuellar

Building intelligent systems, modern web applications, and scalable software.

Expertise

Technical Expertise

Languages

PythonJavaScriptTypeScriptJavaCSQLSwift

Frontend

ReactNext.jsTailwind CSSHTML5CSS3

Backend

Node.jsExpressASP.NET CoreREST APIsJWT Authenticationbcrypt

Databases

PostgreSQLSQLiteRedis

Cloud & Infrastructure

AWSCloudflareLinuxVPS HostingGitGitHubDocker

Security

AuthenticationAuthorizationJWTIAMSecure DeploymentsBackup strategies

Career

Professional Experience

Aug 2022 – Dec 2023

Research Assistant (App Development)

Bass Connections, Duke University

Contributed to the development of a digital research platform for a global Alcohol Use Disorder study through software development, code reviews, and user documentation.

Summer 2023

Software Engineer

Code+

Built cloud cost-intelligence software integrating AWS and Azure pricing APIs while collaborating in Agile engineering teams.

Spring 2023

Teaching Assistant

Duke University

Supported 100+ students in computer science Python fundamentals through debugging guidance, code reviews, and problem-solving instruction.

Summer 2024

Technical Project Manager

Code+

Led six Agile software engineering teams and coordinated technical delivery across concurrent web and data engineering projects.

2025 – 2026

Full-Stack Engineering

CareConnect

Designed and implemented a healthcare-focused content management platform with secure APIs, authentication workflows, schema validation, and centralized error handling.

2026

Full-Stack Web Developer

Freelance

Developed a Next.js premium booking platform application using TypeScript, App Router, SSR, API routes, and secure deployment architectures leveraging Cloudflare and VPS hosting.

Contact

Let's Build Something Great