Valter L.
Engineering Manager

Skills

Node.js

Spring Boot

Spring

Typescript

Pl/sql

Github

Oracle Database

Java

Javascript

Postgresql

Mysql

Docker Cloud

Valter is available for hire

Meet Valter L.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

Objective: To engage with an organization that prioritizes employee empowerment and fosters motivation through meaningful responsibilities.

Tech Lead
12/1/2021 - Present

Led a high-performance technical team focused on services within the Super App Gringo. Developed proficiency in crafting scalable and efficient code, employing a variety of languages and frameworks to ensure optimal performance. Major accomplishments include the successful implementation of complex services and features that enhanced the user experience and reliability of the application.

Demonstrated expertise in back-end technologies such as Java, Python, and Node.js, while actively engaging in front-end development with React and Angular. Leveraged cloud platforms including AWS and Google Cloud for deploying and managing scalable services. Utilized containerization tools like Docker and Kubernetes to simplify and optimize the development workflow.

Extensive experience with databases, both relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis), to support versatile data storage needs. Employed CI/CD pipelines, enhancing the software development lifecycle through tools like Jenkins and CircleCI. Practiced collaborative code management with Git, ensuring high code quality and streamlined version control.

Contributed to the architectural design and implementation of microservices, promoting efficiency and scalability. Maintained rigorous performance monitoring and logging using technologies such as Prometheus and Grafana. Also focused on security best practices and enforced them throughout the development processes. This role demanded a combination of leadership, advanced technical skills, and strategic thinking to drive the success of the Super App Gringo's services.
Software Engineer IV
11/1/2021 - 11/1/2021

Served as a developer on the internal Trade Market project. Gained proficiency in Java and Spring Boot, with significant hands-on experience in creating RESTful APIs. Utilized Angular for developing dynamic and responsive front-end interfaces. Demonstrated expertise in SQL, leveraging PostgreSQL for database management, including writing complex queries for data retrieval and manipulation. Maintained code quality and version control by utilizing Git and conducted regular code reviews to ensure adherence to industry best practices. Engaged in continuous integration and continuous deployment (CI/CD) processes using Jenkins, improving deployment frequency and reliability. Additionally, developed a strong understanding of microservices architecture and containerization with Docker, contributing to the scalability and efficiency of the system.
CLS Technical Systems Leader
9/1/2020 - 11/1/2021

Developed applications in the business area of Loans and working capital for corporate clients, utilizing skills in Git, Java 8, Java 11, Spring, SpringBoot, JPA, Hibernate, AWS, Rest, Http, Gateway, STS (API access), API versioning, Splunk, Json, and Hexagonal architecture. Managed projects using Scrum and Agile methodologies, leveraging Jira for project tracking. Played a key role in the implementation and monitoring of a project to comply with the Central Bank's resolution 4374. This included development, support, deployment to production, and post-deployment optimization of credit release processes in collaboration with the CIP. Facilitated a study group focused on Java mentoring, creating study schedules, setting challenges, and offering mentoring sessions to answer technical questions. Conducted technical interviews to aid the recruitment process, aligning candidates' skills with the organization's technological requirements.
Software developer
6/2/2019 - 9/1/2020

Overseeing the development of a proprietary JAVAEE system utilizing a custom framework based on Java integrated with Struts, Hibernate, and Docker. Delivered effective management and project control systems for governmental institutions, specifically tailored for state agencies, municipalities, and states of Brazil under a bidding regime. Enhanced technical skills in Git, Docker, Rancher, SqlServer, Oracle, PostGres, Java, React, JavaScript, HTML, Struts, JSP, Linux, and Nginx.

Contributed to the analysis and creation of a calculation memory project, defining the stack, architecture, and integration with existing systems leveraging Spring Boot, React, and Docker. Held roles in both senior (Software Developer II) and junior (Software Developer I) capacities, consistently advancing technical proficiency in enterprise-level application development.
Programmer II - Java/Oracle
2/2/2017 - 5/2/2019

From February 2017 to May 2019, the role involved maintenance and improvements in a back-end sales system utilizing Java languages 1.7 and 1.8. Conducted process and requirement analysis to ensure the integration of new products within the general sales system. Managed a back-end system integrated with multiple sales platforms, supporting over 200,000 sales points, including POS, Mobile, and WebServices. Oversaw deployment and conducted performance analysis for over 40 system instances within a local datacenter, handling 300GB of log generation per day. Implemented solutions in Java and PLSQL, leveraging Linux as the development environment and using Git for project versioning.
JDEdwards Programmer
1/2/2014 - 1/2/2017

Gained expertise in JDEdwards ERP system through requirements analysis, process improvements, and providing support. Excelled in developing custom solutions within the JDEdwards platform, involving comprehensive analysis, documentation, adherence, database management, and deployment.
Business Analyst - Intermediate
1/2/2013 - 1/2/2014

Business Analyst - Intermediate
April 2013 – November 2014

Performed consulting and analysis for ERP implementation on the RM line. Maintained SQL Server databases, Windows Server 2008 and 2012 infrastructure. Executed project deliveries aligned with PMBOK methodologies, including kick-off meetings, planning, risk management, documentation, training, and go-live activities. Developed technical proficiency in ERP systems and project management frameworks.