Alejandro KlerBack End Developer
👋 Hi, I'm Alejandro Kler, a seasoned Backend Developer with over seven years of professional experience in building robust software solutions. Currently enhancing real estate technology as a Senior Software Engineer at Keyway, I specialize in Kotlin, Terraform, and AWS cloud services.
Certifications
Java
Java
11/26/2019
C1 Advanced
C1 Advanced, B2 Upper Intermediate, B1 Intermediate
10/07/2021
JAVA Developer
Java
10/06/2023
Tech stack
Java (5)
B1 Intermediate
B2 Upper Intermediate
C1 Advanced
MySQL (6)
Spring (5)
AWS SQS (5)
Elasticsearch (4)
Go (4)
Hexagonal Architecture (4)
AWS DynamoDB (4)
Microservices Architecture (4)
Amazon Web Services (AWS) (3)
PHP (2)
JavaScript (2)
Bootstrap (2)
Terraform (2)
Kotlin (2)
AWS API Gateway (1)
Python
Rust
Docker
Experience
Senior Software EngineerKeyway
12/2022 - Currently

Developer in a leading real estate tech company. Backend services using Kotlin. Cloud services using terraform and AWS.

Terraform
Kotlin
Amazon Web Services (AWS)
Senior Software EngineerElevva
04/2022 - 12/2022

I was part of the IT team from scratch, designing and building the company software architecture. Developing with Java and Spring boot. Cloud services created and configured from zero using AWS (Elastic Beanstalk, DynamoDB, SQS, Cognito, and others). On demand image resizer implemented using CloudFront, S3, Lambda and API gateway.

AWS API Gateway
AWS SQS
Java
Spring
Amazon Web Services (AWS)
Senior Software DeveloperMercado Libre
11/2018 - 04/2022

Built resilient APIs with high traffic and uptime demand. Designed microservices architectures using Queues, MySQL, non relational DBs, Document Search, distributed cache, locks and other infrastructure services. Backend oriented development with majority use of Java, scripting with Python and Go. Troubleshooting errors and monitoring real time incidents. Junior mentorship and projects coached.

Java
Microservices Architecture
Spring
Go
MySQL
AWS SQS
Elasticsearch
Hexagonal Architecture
AWS DynamoDB
Software DeveloperClicktur
12/2016 - 11/2018

Developed systems and modules for tourism business, and integration with hotel booking web services. Majority use of PHP and MySQL. Meetings with client companies for requirements discovery.

PHP
MySQL
JavaScript
Bootstrap
Education
Computer engineeringUniversity of Buenos Aires
02/2016 - Currently
Electronic technicianE.E.S. Técnica Nº9 J.A. Rodriguez
02/2009 - 02/2015