Ruan D.
Full-stack Product Engineer

Skills

Spring Boot

Sql

Java

Javascript

Php

Angular

Ruan is available for hire

Meet Ruan D.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

Mid-Level 3 Analyst Developer with extensive experience in Java, JavaScript, Angular, and Spring. Responsible for maintaining and enhancing a tax and financial administration system. Demonstrates expertise in bug resolution, feature development, data analysis, and tax adjustments. Skilled in performing database corrections and adjustments, documenting software functionalities, and detailing bugs and general software requirements.

Java Developer
6/1/2020 - 8/1/2020

Led the development of a JAVA-based system tailored for pharmaceutical establishments, ensuring robust and efficient software operation. Created comprehensive documentation detailing system functionalities to support ongoing and future development efforts. Managed project demands and workflow effectively using Trello, providing clear communication and task organization within the team.
Systems Engineer 3 - Intermediate
2/1/2023 - Present

Managed key modules in the Tax and Financial Administration system for a government entity, defining project scope in collaboration with module managers. Suggested and implemented improvements and new functionalities, facilitating the transfer of technical knowledge and business rules to both new and existing team members. Conducted bug fixes, developed new functionalities, and modified high-criticality features, ensuring seamless system enhancements. Created and maintained automatic routines and generated various reports using Java as the base language, integrating JSP with scriptlets, JPA, Hibernate, Servlets, and Javascript. On occasion, utilized Spring and Angular 9 frameworks, with IBM Informix as the database system.
Systems Engineer II
3/1/2022 - 2/1/2023

Focused on bug fixing, creation of new functionalities, and modification of existing functionalities. Developed and maintained automatic routines while generating various reports. Leveraged Java language utilizing JSP with scriptlets, JPA, Hibernate, Servlets, and Javascript. Depending on project requirements, employed Spring and Angular 9 frameworks. Utilized IBM Informix database to support backend operations. Actively ensured the smooth operation of the system through proactive measures.
Junior Systems Engineer II
10/1/2021 - 3/1/2022

Developed expertise in Java, utilizing JSP with scriptlets for dynamic web content. Conducted bug fixing, created new functionalities, and modified existing ones. Developed and maintained automatic routines and generated various reports. Leveraged JPA and Hibernate for object-relational mapping, and employed Servlets for managing client-server interactions. Also handled JavaScript for frontend interactivity. Adapted to project demands by utilizing Spring framework and Angular 9 for modern web development. Worked with IBM Informix database for robust data management and retrieval.
Junior Systems Engineer
2/1/2021 - 11/1/2021

Developed and maintained applications using Java, JSP with scriptlets, JPA, Hibernate, Servlets, and JavaScript. Implemented various new functionalities and modified existing ones. Created and maintained automatic routines and generated various reports. Occasionally utilized Spring and Angular 9 frameworks based on project requirements. Worked extensively with the IBM Informix database for backend management and data storage.
QA Analyst
1/1/2021 - 2/1/2021

Developed expertise in identifying and detailing bug requirements, executing comprehensive software testing, and performing database adjustments and repairs. Gained proficiency in tailoring report specifications and carrying out related technical tasks. Utilized tools and frameworks to streamline bug tracking and software maintenance processes, ensuring high-quality deliverables.
RC Analyst Level 3
5/1/2020 - 1/1/2021

Gained extensive experience in the analysis of databases, tax adjustments, and database correction, executing crucial database tasks including DDL, DML, and TCL. Specialized in identifying and detailing bugs and testing new functionalities. Developed, tested, and released comprehensive reports. Provided client containment and developed support and deployment solutions. Delivered assistance and training for users and clients, facilitated remote deployments, and participated in related activities to ensure smooth operational processes.
Java Developer
7/1/2018 - 9/1/2021

Spearheaded the development of web and desktop systems focusing on solving diverse problems and automating operations. Enhanced technical expertise in Java, C#, and Python to build robust applications. Leveraged frameworks such as Spring, ASP.NET, and Django for seamless backend development. Demonstrated proficiency in front-end technologies, including HTML, CSS, JavaScript, and React.js, to create dynamic user interfaces. Engaged in database design and management using SQL Server, MySQL, and SQLite, ensuring data integrity and optimization. Utilized version control systems like Git and SVN for maintaining collaborative codebases. Applied Agile methodologies and tools such as JIRA and Trello to streamline project workflows and ensure timely delivery. Pioneered automated testing procedures using Selenium and JUnit, enhancing software reliability and performance.
RC Analyst Level 2
11/1/2017 - 6/1/2020

Acquired expertise in the analysis and repair of databases, with a strong focus on adjusting data inconsistencies. Provided high-quality customer service and conducted remote implementations and training sessions to enhance client knowledge and system efficiency. Managed the adjustment, registration, issuance, and correction of NFEs and NFCes, ensuring accurate financial documentation. Developed innovative solutions to support team needs, facilitating improved workflow and troubleshooting processes.
Level 1 Support Analyst
8/1/2017 - 11/1/2017

Developed expertise in delivering customer service while handling complex tax adjustments. Executed remote implementation and training programs efficiently. Conducted precise database adjustments to ensure data integrity and streamline operations.
Computer Support Intern
6/1/2017 - 8/1/2017

Gained extensive experience in customer service, addressing and resolving a broad range of customer inquiries and issues with efficiency and professionalism. Developed proficiency in database adjustments, including data entry, updates, and maintenance tasks. Demonstrated skills in fiscal resolutions, effectively managing billing disputes, payment discrepancies, and financial adjustments. Excelled in remote implementation, providing over-the-phone and online support to clients, ensuring seamless integration and adoption of new systems. Proficient in using CRM tools to manage customer interactions, track service history, and ensure customer satisfaction.