Jude Michael Castillo

JC

Open to opportunities

Jude Michael Castillo

@judemichaelcastillo

Full-stack developer focused on scalable React, Next.js, and AWS solutions.

What I'm looking for

I’m seeking a mid-level engineering role focused on building scalable web apps, performance optimization, CI/CD and automation within collaborative teams that value measurable impact and reliable delivery.

I am a full-stack developer with 3+ years building, deploying, and maintaining production web applications using React, Next.js, Node.js, TypeScript, and AWS. I deliver scalable, business-driven solutions across frontend, backend, and cloud infrastructure with an emphasis on performance and reliability.

At my most recent role I built and maintained production React and Next.js applications for 200+ users, implemented CI/CD pipelines with GitHub Actions and AWS CodePipeline to reduce release cycles by 40%, and optimized API response times and page load performance. I also developed TypeScript-based component libraries, custom WordPress themes and plugins, and automated workflows using AWS Lambda and Make.

I bring strong operational discipline, a focus on performance optimization and automation, and a collaborative mindset that ties engineering work to measurable business outcomes. I’m motivated to join teams where I can improve reliability, accelerate delivery, and contribute to scalable product experiences.

Experience

Work history, roles, and key accomplishments

BW

Web Developer

Business Webbing

Aug 2022 - Sep 2025 (3 years 1 month)

Built and maintained production React and Next.js applications for 200+ users, implemented CI/CD pipelines reducing release cycles by 40%, and optimized frontend/backend performance to improve load times and bounce rates.

React Next.js TypeScript GitHub Actions CI CD RESTful APIs

LE

Business Operations Assistant

Lendistry

Jun 2021 - Apr 2022 (10 months)

Automated administrative workflows to improve operational efficiency and supported business development via data research, lead generation, and CRM organization.

Workflow Automation CRM Data & Research Lead Generation Scheduling Process Improvement Communication

NL

Operations & Automation Assistant

Nine Labs

Mar 2020 - Apr 2021 (1 year 1 month)

Managed and optimized digital content workflows for client social platforms, designed visual assets, and improved CRM data accuracy and reporting processes.

CRM Email Automation Reporting Client Communication

Education

Degrees, certifications, and relevant coursework

MT

Mindanao State University - Iligan Institute of Technology

Bachelor of Science, Mechanical Engineering

2020 -

Bachelor of Science in Mechanical Engineering with a strong foundation in problem-solving, systems thinking, and analytical modeling.

Tech stack

Software and tools used professionally

GitHub

AWS CodePipeline

GitHub Actions

MySQL

PostgreSQL

Gmail

Node.js

Next.js

Tailwind CSS

JavaScript

ES6

Prisma

WordPress

AWS Lambda

Vercel

Netlify

Vite

Make

Remote

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