Victor

Latin Americas
Brazil

$65

English
About me

I have experience as a Java and have worked on numerous challenging projects and frameworks. My expertise includes developing APIs, Micro Services, and REST, as well as working with Java 8-14, Spring Boot, NodeJS, Angular 8, Redis, Docker, Kubernetes, ElasticSearch, Java Cloud, AWS, Azure, Hexagonal framework, Grails, and other cutting-edge technologies that enable optimal performance and availability.

Skills
Skill Java Java
80.0%
(18yrs)
Spring boot
100.0%
(10yrs)
Skill Node.JS Node.JS
70.0%
(4yrs)
Skill PostgreSQL PostgreSQL
80.0%
(5yrs)
Skill AWS AWS
70.0%
(5yrs)
Skill Docker Docker
60.0%
(5yrs)
Skill Kubernetes Kubernetes
50.0%
(2yrs)
Skill Angular JS Angular JS
80.0%
(3yrs)
HIPAA
0%
(2yrs)
Experience
Full Stack Software Engineer | TarmacIO
May 2021 - Present

Healthcare Workflow Optimization - ABOUT Ensocare

● Orchestrated enhancements of healthcare workflows, utilizing Java, Angular (version 8, 11and 16), and AWS. This led to a 30% boost in system efficiency and a 25% reduction in patient wait times, showcasing expertise in Java and Angular.

● Managed microservices migration from Spring to Spring Boot, achieving greater scalability and system reliability, demonstrating advanced knowledge in microservices architecture and Spring frameworks.

● Developed an Angular-based admin panel to improve patient transfer processes, notably improved accessibility for individuals with special needs and enhanced patient management and staff workflows.


Avalo Mental Health Chat Platform - AvaloChat

● Directed backend development with Grails and Groovy, integrating video and text functionality to create a more engaging user experience on the Avalo Mental Health Chat Platform, reflecting strong capabilities in Grails.

● Implemented CI/CD pipelines with CircleCI and utilized GitHub for version control, enhancing the deployment workflow and ensuring high code reliability with a commitment to DevOps best practices.

● Maintained high code quality standards through test-driven development and optimized operational efficiency on Heroku, leveraging cloud technologies and modern development methodologies.


Project: LLM Training and Chatbot Development

● Developed tools in Python 3 using LangChain, integrated with Pinecone to train LLMs with files, calculate tokens, and generate embeddings.

● Created a chatbot for a car rental company with Python, incorporating rules for user access to reservation and cancellation data, improving customer service and operational efficiency

Software Developer | Veloe
Feb 2020 - May 2021

● Acted as a pivotal Java backend developer, enhancing vehicle tag solutions for automated toll and parking payments, which is crucial for Brazil's transportation infrastructure.

● Optimized and integrated hundreds of microservices, utilizing Java, Spring Boot, AWS services, and AWS DynamoDB, reinforcing a scalable back-end infrastructure and demonstrating my proficiency in cloud computing and microservices.

● Applied hexagonal architecture principles to modularize application components, significantly improving the system's adaptability and maintainability.

● Spearheaded the integration of OCR and NFC technologies to refine vehicle tag reading precision and speed up contactless payments, contributing to a seamless user experience.

● My work led to a significant increase in transactional accuracy and efficiency, enhancing user experience and service reliability, as evidenced by the successful application of advanced technologies.

● Maintained high coding standards through CI/CD practices and unit testing, ensuring robust and reliable software solutions.

Software Developer | Empiricus - BTG Pactual
Apr 2019 - Feb 2020

● Initiated and led the internalization of the previously outsourced e-commerce platform, leveraging Java 11, AWS, Python, and Vue.js. This strategic move aimed to reduce operational costs and increase product launch efficiency, demonstrating my versatility in using both backend and frontend technologies.

● Developed a robust and scalable e-commerce solution, employing a sophisticated technology stack that included Java 11, AWS, Python, and Vue.js, showcasing my proficiency in these languages and frameworks.

● Enhanced platform performance by integrating various AWS services (Lambda, SQS, SNS) and Kubernetes and Minikube, facilitating a more dynamic and scalable cloud infrastructure.

● Designed and implemented microservices using Micronaut, Kotlin, Webflux, and gRPC, contributing to an advanced and modular solution architecture.

● Integrated recurring payment solutions specifically tailored for financial mentorship programs, significantly driving revenue growth and showcasing my ability to implement complex payment systems.

● Innovative Business Model Implementation:

● Successfully adopted and implemented a business model similar to New York's Copywriter system, achieving daily sales of approximately $500,000. This achievement marked a significant milestone for Empiricus - BTG Pactual in the Brazilian financial advisory sector.

Software Developer | Walmart - Labs
Apr 2013 - Mar 2019

● Initiated career as a DevOps operational analyst, overseeing the seamless operation of applications within a microservices architecture by implementing rigorous monitoring and assurance protocols.

● Transitioned to a Java developer analyst role, gaining in-depth experience with Walmart's e-commerce platform through Spring Boot, RESTful microservices, and advanced caching with Redis and EhCache.

● Key contributor in utilizing Solr for search functionalities, successfully indexing over 4 million products, significantly enhancing the product cataloging process.

● Further developed technical proficiency by working with ElasticSearch, improving search engine capabilities within the e-commerce domain.

● Embraced and mastered Rust as a strategic move in Walmart's development approach, leading to creating the e-commerce store's front end and refining front-end development skills.

● Undertook the maintenance and advancement of various APIs crafted in Rust, showcasing the versatility and deepening knowledge in diverse programming languages and technologies.

Software Engineer | PimentaGroup
Jan 2018 - Jul 2020

● Played a pivotal role in developing a CRM system for the healthcare sector to streamline the appointment scheduling process between patients and doctors, catering to over 3000 clients and 300,000 users.

● Utilized a technology stack including C++, Python, Sentry for error tracking, and AWS services to build and support the system infrastructure.

Software Developer | Capgemini
Nov 2010 - Nov 2013

● Key player in the outsourced team that transitioned Banco Bradesco's legacy Cobol systems to a robust Java platform, encompassing Intranet, Internet, and Client Server applications.

● Contributed over 7,000 hours to the RECR (Credit Recovery) Intranet project, leveraging the Spring framework with JSF, MVC with EJB, and ensuring seamless integration with existing Cobol systems.

● Directed a development team on a Java JEE/AWB web project, overseeing the strategic migration process and ensuring on-time project delivery.

● Provided crucial post-deployment support for Bradesco's Financial Terminal System, a critical Cash Control system utilized across more than 4,500 agencies in Brazil.

● Addressed and resolved complex box closure issues, managed version control, and deployed system updates in a live production environment.

● Developed Java Swing and Spring-based Client-Server systems, significantly contributing to the modernization and enhancement of banking operations.

P
Software Developer | Porto Seguro Seguros Corp
Aug 2002 - Oct 2010

● Independently developed and implemented an automation tool that transformed thousands of 4GL programs from structured Portuguese format into a unified standard in seconds. This pioneering work, designated initially to 20 development analysts, was officially adopted by the company, significantly accelerating the process and contributing to Porto Seguro's achievement of ITIL CMMI maturity level C.

● Over six years, I developed an advanced system for analyzing customer profiles and calculating auto insurance premiums using complex programming and data analysis to ensure precision and efficiency.

● A key contributor to a 2-year project developing a web service for transient auto transit, focusing on real-time data handling within a service-oriented architecture.

● Spearheaded the creation of a web service for automotive telemetry, facilitating real-time vehicle tracking and data acquisition, thereby bolstering safety and operational efficiency.

● Engineered automated systems for calculations and system-to-system comparisons to optimize processes and maintain data integrity for calculation and conference robots.

● Developed and refined calculation systems for various insurance sectors, including dental, child welfare, SME health services, and life insurance over 3 years, diversifying the company's insurance product offerings.

● Conducted extensive training for the team on creating and managing Unified Modeling Language (UML) documentation, elevating the company's standards for software documentation.

Business Administration Accounting Foreign Trade | University Mackenzie of SP Brazil
1999 - 2004