Ed Legaspi

IT Consultant | Senior Java Backend Developer

Laguna, Philippines Joined on Aug 31, 2022 https://www.czetsuyatech.com

Education

BS Computer Science | University of the Philippines

Pronouns

him

Work

Independent IT Consultant

Java, Spring Boot, Quarkus, AWS Services, Microservices, Event-Driven

Lambda, Serverless, Quarkus, Spring Native

Tradewise: bot trade for Binance spot market | Spring, AWS, Python, XGBoost
Sparqr: an online marketplace for comic book creatives | Spring, Quarkus, AWS, Microservice

Let's build scalable startup products by leveraging serverless technology.

30 posts published

1 comment written

10 tags followed

Ed Legaspi

Mar 7

Hands-On Coding: Exploring Hyperparameters for Programmers

#machinelearning #programming #learning #algorithms

2 min read

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Ed Legaspi

Mar 2

Understanding How Scope Affects Values in Your Spring REST Controller

#springboot #programming

1 min read

Ed Legaspi

Mar 2

How to Convert Vertically Stored Asset Data into Columnar Format for Cointegration Analysis

#machinelearning #python #programming

1 min read

Ed Legaspi

Mar 2

Learn to Incorporate Rolling Hurst Values into Your DataFrame

#machinelearning #python #programming

1 min read

Ed Legaspi

Feb 5

Implementing Glowroot: A Hands-On Tech Review for Application Monitoring Mastery

#springboot #productivity #java #learning

5 min read

Ed Legaspi

Dec 14 '23

Navigating the Code: A Guide to Environment Variables, Configuration, and Feature Flags

#programming #appconfig #tutorial #learning

3 min read

Ed Legaspi

Jul 1 '23

Java XML Validation: How to Validate an XML Document against an XSD

#java #xml #xsd

3 min read

Ed Legaspi

May 20 '23

Unlocking Google Calendar API with Keycloak: A Developer's Guide

#keycloak #googleapi #tokenexchange #spring

7 min read

Ed Legaspi

May 7 '23

Implementing X509 Certificate Validation in Java: A Step-by-Step Guide

#java #digitalsigning #digitalcertificate

3 min read

Ed Legaspi

May 3 '23

Java-Based Implementation of Digital Signatures and X509 Certificates for Secure XML Document Processing

#java #digitasignature #javacryptography #xmlsignature

7 min read

Ed Legaspi

Feb 12 '23

How to Insert Records in Batch with Spring Data

#spring #springdata #springjpa #batchinsert

4 min read

Ed Legaspi

Jan 2 '23

Write Hello World in Java Using Intellij and Maven

#intellij #java #maven #helloworld

4 min read

Ed Legaspi

Dec 26 '22

How to implement authentication in NextJS using Amazon Cognito

#authentication #cognito #nextjs

4 min read

Ed Legaspi

Dec 23 '22

How to Use Jasypt or Jce to Encrypt Passwords in Spring Config

#jasypt #jce #spring #encryption

2 min read

Ed Legaspi

Dec 13 '22

Securing your NextJS Web Application with AWS Amplify and Cognito

#react #nextjs #aws #security

2 min read

Ed Legaspi

Dec 5 '22

Microservice Architecture with Spring Cloud in Code

#microservices #cloudskills #java #spring

3 min read

Ed Legaspi

Dec 3 '22

How to Build a Basic CRUD App with NextJS, React, Redux, Observable and MUI5 Components

#nextjs #react #mui #redux

10 min read

Ed Legaspi

Nov 30 '22

How to Build a Basic CRUD App with NextJS, TS, React, Redux-Tookit and MUI5 Components

#webdev #react #nextjs #mui

5 min read

Ed Legaspi

Nov 28 '22

How to Secure a Spring Rest Service using Spring Aspect

#security #spring #tutorial #java

4 min read

Ed Legaspi

Nov 20 '22

How to Upload Maven Artifacts to GitHub Packages

#maven #github

2 min read

Ed Legaspi

Nov 16 '22

How to integrate Spring REST Docs with Javadocs

#springdocs #springrestdocs #javadocs #java

3 min read

Ed Legaspi

Nov 11 '22

How to Deploy a Quarkus RESTEasy Microservice as AWS Lambda Function

#aws #lambda #quarkus #java

2 min read

Ed Legaspi

Nov 4 '22

How to Compile a Quarkus Project Natively using Docker Builder

#quarkus #java

1 min read

Ed Legaspi

Nov 4 '22

How to Implement API Design First Development

#api #apidesign

5 min read

Ed Legaspi

Nov 2 '22

How to Configure Multitenancy in Keycloak with Spring API Gateway Integration

#java #spring #keycloak #multitenancy

3 min read

Ed Legaspi

Oct 31 '22

Anatomy of a Microservice - Components and Structure

#java #microservices

3 min read

Ed Legaspi

Oct 27 '22

Use AWS Parameter Store Values for Quarkus Lambda Datasource Credential

#lambda #quarkus #datasource #aws

2 min read

Ed Legaspi

Oct 25 '22

How to Setup Keycloak With MySQL Database using CLI in Docker

#keycloak #mysql #database #docker

3 min read

Ed Legaspi

Oct 24 '22

Inter-Microservice Communication with OpenFeign using AWS AppMesh

#java #aws #microservices #openfeign

3 min read

Ed Legaspi

Oct 24 '22

Spring Method Level Security with Amazon Cognito and JWT Token

#java #spring #cognito #aws

3 min read

Writing Debut

One Year Club

8 Week Writing Streak

4 Week Writing Streak

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