John Lester Serrano

John Lester Serrano

Auckland, New Zealand

Full-Stack Developer

About

Full-Stack Developer and AI Engineer with 7+ years of experience building scalable web and mobile applications and serverless AWS infrastructure. Strong across React, React Native, Next.js, Node.js, and Python, with deep expertise in cloud architecture, CI/CD automation, and production AI/LLM integrations. Delivering secure, reliable software that supports real-world product growth.

Experience

Lead Full-Stack Developer

2025

Lubin AI LLC

Lead Full-Stack Developer

2025

Moji Social LLC Inc

Lead Software Engineer

2024

HealthnowPH/KonsultaMD

DevOps Developer

2023

SquidPay

Software Engineer

2022

Apppps Partners Inc

DevOps Developer

2022

Sun Moon Technologies

DevOps Developer

2021

Forent

Frontend Developer

2018

Apppps Partners Inc

Web Developer Intern

2018

Apppps Partners Inc

Tech Stack

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Languages & Frameworks

JavaScriptTypeScriptPythonPHPBashReact.jsReact NativeNext.jsNode.jsLaravelTailwind CSSBootstrapjQuery

Backend & APIs

Node.jsPythonPHPGraphQLREST APIs

AWS Cloud

LambdaAPI GatewayAppSync (GraphQL)CognitoDynamoDBRDSOpenSearchS3EC2ECSElastic BeanstalkCloudFormation