Luis Jaller

Full Stack Developer (Mid-Level)

Mid-level Full Stack Developer with experience in Node.js, NestJS, React, Next.js and Expo. Focused on building scalable, maintainable web and mobile applications, with cloud experience in AWS, Kubernetes and Terraform

My Tech Stack

From modern interfaces to cloud-native infrastructure

TypeScript

TypeScript

Node.js

Node.js

NestJS

NestJS

React

React

Next.js

Next.js

Expo

Expo

Kubernetes

Kubernetes

Helm

Helm

Terraform

Terraform

AWS

AWS

My Journey

From first lines of code to building real-world solutions.

2023

The Beginning

I built a strong foundation in HTML, CSS, and JavaScript before transitioning to professional client projects, where I gained hands-on experience with backend development and modern workflows.

HTML
CSS
JavaScript
2023

Backend & DevOps Foundations

Delivered backend solutions with Node.js and Express and implemented modern DevOps workflows including Docker, Kubernetes, and CI/CD. Gained practical Infrastructure-as-Code experience by deploying Azure resources via Terraform.

Node.js
Express
Docker
Kubernetes
Terraform
Azure
2024

Microservices & Cloud Maturity

Advanced the stack by adopting NestJS for microservices and Helm for Kubernetes resource management. I streamlined delivery via GitHub Actions and established observability with New Relic, fully managed through modular Terraform.

NestJS
Microservices
Helm Charts
GitHub Actions
Terraform
New Relic
2025

Cloud & DevOps on AWS

Delivered cloud-native AWS solutions for a client until mid-2025. Utilized serverless components (Lambda, SQS, EventBridge) and RDS to build scalable systems managed via Infrastructure as Code.

AWS
Lambda
RDS
SQS
EventBridge
Terraform
2025 – 2026

Frontend & Product-Focused Development

Delivered scalable user interfaces using React and Next.js powered by Prisma ORM. Also expanded into mobile development with Expo, engineered NestJS microservices with DynamoDB design contributions, and streamlined deployments using Helm Charts.

React
Next.js
React Native
Expo
NestJS
DynamoDB
Prisma
Helm

Featured Projects

A highlighted project currently in development, showcasing my approach to backend architecture, APIs, and scalable web solutions.

MyMotoFinance API
Backend

MyMotoFinance API

Comprehensive financial management system tailored for gig-economy riders (DiDi, Uber Moto). Features include daily income tracking, automated debt savings, and preventive vehicle maintenance scheduling.

NestJS
Prisma
PostgreSQL
Docker
TypeScript