William Smith Hernández CV

William Smith Hernández

Senior Java Developer

Professional profile

Software developer with 10+ years of experience in backend and fullstack development , specializing in Java , Spring Boot , AWS , microservices , and cloud deployment . Passionate about innovative , efficient solutions

Work experience

Senior Java Developer

acky | March 2021 - Present (5 años 8 meses)

Used skills

Supported product architecture under SaaS model in AWS. Developed microservices and APIs with Java, Spring Boot, Webflux, AWS (EC2, ELB, S3, Dynamo, CloudFormation, EKS), JWT. Focused on high availability, redundancy, and security.

Major achievement

Led SaaS architecture design and implemented microservices/APIs in AWS using Java, Spring Boot, Webflux, and reactive programming. Integrated OAuth for secure access.

Senior Software Developer

tata consultancy services | January 2018 - January 2021 (3 años)

Used skills

Analyzed and developed software in Java, JavaScript (Node.js). Built reactive/non-reactive microservices, migrated PostgreSQL to Aurora, built SQS queues, implemented tests. Used Spring, SpringBoot, WebFlux, Reactor, API dev, NodeJs, AWS, Docker, Kubernetes.

Major achievement

Developed and migrated microservices in Java/SpringBoot, Node.js, AWS, PostgreSQL, and implemented acceptance/performance tests. Used Kafka, Docker, Kubernetes.

Sistem Analyst

sophos banking solutions ltda | April 2016 - January 2017 (9 meses)

Used skills

Analysis and development in Java, created SOAP/REST services, developed PL/ORACLE procedures, migrated data, performed unit tests and validations. Used Spring, JPA, SOA, JSON, GIT, ORACLE DB.

Major achievement

Developed SOAP/REST services and PL/ORACLE procedures in Java. Led data migration and unit testing for banking systems.

Education experience

aws Certified Solutions Architect Associate Ingeniería Informática
Bsg institute | Especialización

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