Willian A.
Back-end and Systems Engineer

Skills

Node.js

Spring Boot

Cascading Style Sheets

Sql

Github

Html

Java

Javascript

Mongodb

Amazon Aws

React

Willian is available for hire

Hire Willian A.

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Bio

Java Developer with extensive expertise in technologies such as Java, Spring Boot, Spring Webflux, React, React-Native, NodeJs, Maven, JPA, RabbitMQ, Kafka, JavaScript, TypeScript, HTML5, CSS3, Git, MongoDB, SQL databases, and cloud services including Microsoft Azure and Amazon AWS. Skilled in constructing robust enterprise applications leveraging frameworks like Spring Boot and Spring Webflux to design scalable and highly efficient systems, focusing particularly on RESTful APIs and reactive services. Experienced in agile development environments, collaborating effectively with team members to ensure timely project deliverables while maintaining adherence to best practices. A self-motivated learner, continuously seeking opportunities to acquire new technologies and refine existing expertise. Proficient in system integration, utilizing messaging services like RabbitMQ and Kafka to facilitate asynchronous communication between application components, and competent in working with both MongoDB and SQL databases to create comprehensive, scalable solutions encompassing backend development and front-end implementation. Aims to apply this extensive technical knowledge to drive innovation and contribute to projects that harness these technologies for organizational success.

Mid-Level Java Developer.
11/1/2022 - Present

Engaged in the development, maintenance, evolution, and improvements of a high-traffic banking application within the Benefits area. Acquired expertise in modern programming languages and frameworks such as Java, Spring Boot, and Angular. Proficiently managed and optimized databases using Oracle and MySQL. Implemented advanced security protocols and performance enhancements, leveraging tools including Jenkins for continuous integration and Docker for containerization. Utilized Git for version control and facilitated seamless collaboration within cross-functional agile teams. Specialized in RESTful API development and microservices architecture, ensuring scalability and robust performance of the application.
Front End Developer
2/1/2021 - 11/1/2022

Played a key role in the maintenance, evolution, and improvement of the Jobii system by employing extensive expertise in Java and Spring Boot for backend development. Enhanced system performance and reliability through proactive monitoring and issue resolution using tools like New Relic and Grafana. Utilized Jenkins for continuous integration and deployment, ensuring smooth software updates and reduced downtimes. Employed PostgreSQL for database management, executing complex queries to optimize data retrieval and storage operations. Implemented frontend changes using Angular and React, enriching user interface and experience. Ensured code quality and consistency by adhering to best practices and using Git for version control. Additionally, conducted unit and integration testing with JUnit and Mockito to maintain application integrity and performance standards.
Intern
11/2/2019 - 12/1/2020

Assisted in supporting prioritized demands, continuously improving the systems utilized to achieve optimized solutions. Contributed to processes that ensured confidentiality, integrity, and availability of company information. Supported operational systems by correcting identified and prioritized faults, implementing workaround solutions for critical errors impacting customers under time constraints. Developed technical expertise in system optimization and fault management, ensuring robust information security and high system reliability.