Lavinia Rusu

is looking for freelance projects. 🔎

Bis 2023, Senior Java Full Stack Engineer, ABS
Bucharest, Rumänien

Fähigkeiten und Kenntnisse

Java
Angular
Spring Framework
Spring Boot
TypeScript
Oracle DB
SQL
JUnit
JDBC
Git
Software Development
Scrum
Frontend
HTML
Backend
Database
REST
Full-stack development

Werdegang

Berufserfahrung von Lavinia Rusu

  • 2 Jahre und 4 Monate, Nov. 2020 - Feb. 2023

    Senior Java Full Stack Engineer

    ABS

    The client was struggling to expand their market possibilities and come up with an innovative solution in regards to UI. • Improved server application performance by 40% by migrating the server on Spring Boot. • Reduced the rigidity of the code by 50% by splitting the back-end server mechanism in several spring beans with a specific scope. • Created architectures by splitting the functionalities on business domains. Skills: Java 11, Java Spring, Spring Boot, Spring Security, Angular

  • 10 Monate, Feb. 2020 - Nov. 2020

    Senior Java Full Stack Engineer

    ABS

    The client, a company focused on managing taxes and financial calculations for European customers, was struggling with a slow invoice generation process, due to very complex business logic. • Decreased the rigidity of the code by 40%, by improving the invoice mechanism design using reverse engineering . • Substantially improved invoice generation process performance by 35% by refactoring the back-end code and tune inefficient sql statements. Skills: Java 11, Java Spring, JDBC, JUnit, Oracle

  • 1 Jahr und 2 Monate, Jan. 2019 - Feb. 2020

    Senior Java Full Stack Engineer

    ABS

    The client, a global laundry software leader, faced US expansion challenges due to a complex, outdated, and unfriendly UI for garment scanning and stockroom processes. • Decreased by 3x the time spent on events processing and greatly improved usability by designing and implementing a friendly and responsive UI. • Created functional solutions like a web app to handle product scanning and manage stockroom and financial information using modern Angular features. Skills: Java 11, Spring, JDBC, REST, Oracle

  • 1 Jahr und 2 Monate, Jan. 2018 - Feb. 2019

    Senior Java Engineer (Team Lead)

    ABS

    The client, a major IT company, grappled with low customer satisfaction due to slow server updates and manual database tests. - Reduced server update time by 40% by redesigning the mechanism and separating DDL/DML scripts. - Cut testing time from 8 hours to 45 minutes through automation and Jenkins pipelines. - Improved test coverage by 35% with back-end unit tests for the server update process. - Elevated productivity with agile practices. Skills: Java 8, Spring, JDBC, JUnit, Oracle.

  • 2 Jahre und 5 Monate, Sep. 2015 - Jan. 2018

    Senior Java Engineer

    ABS

    The client faced significant time and cost inefficiencies due to slow invoice generation, hindering scalability and adaptation to market demands. - Substantially enhanced application performance by 30% by refactoring the need for third-party libraries into highly efficient helper classes. - Created functional enhancements, including an automated invoice generator with a Java-based process scheduler for faster financial data processing. Skills: Java 8, JDBC, Oracle, SQL, REST, Glassfish.

  • 3 Jahre und 8 Monate, Feb. 2012 - Sep. 2015

    Java Engineer

    ABS

    The client, specializing in tax and financial calculations for American customers, faced performance issues and inefficiencies in their invoicing process due to complex business logic. Here's how we addressed it: - Improved code efficiency by 50% by redesigning the application and restructuring the invoice generation mechanism. - Enhanced invoice generation speed by 50% through code refactoring and SQL statement optimization for financial data retrieval. Skills: Java, Oracle 10g, SQL, Glassfish.

  • 1 Jahr und 3 Monate, Dez. 2010 - Feb. 2012

    Java Engineer

    ABS

    The client was risking losing clients, due to a poorly maintained ERP software system that also had performance issues on main business flows. - Drastically decreased the number of defects reaching production by 35% by fixing bugs and writing unit and regression tests for all the possible scenarios. - Identified repetitive types of problems and their flows and improved customer satisfaction by 50% by redesigning and refactoring the back-end code on these business areas. Skills: Java, Oracle, SQL, SOAP.

  • 1 Jahr und 4 Monate, Sep. 2009 - Dez. 2010

    Mobile Developer

    ABS

    The client, a company focused on PDA mobile applications development tools, was dealing with low user satisfaction, due to its slow and inefficient user interface. - Decreased by 2x the time spent on events processing and greatly improved usability by designing and implementing a friendly and responsive ui. - Highly enhanced the upload/download to/from pda transfer time by 60% and reduced the burden on the database by refactoring the back-end code. Skills: Java, JDBC, Oracle 9, SQL, Embedded Visual Basic

  • 2 Jahre und 7 Monate, März 2007 - Sep. 2009

    Software QA Engineer

    ABS

    The client, a major IT firm, faced time wastage and scalability challenges due to product quality issues stemming from the absence of automated tests and lengthy manual testing. - Eliminated 50% of the manual work done by team members by automating all the important business flows, via a regression and load software testing tool (qf test) for java and web technologies. - Slashed production bugs by 60% by instituting automated pre-delivery testing. Skills: Python, Groovy, QF Test, SQL, Oracle 9i.

Ausbildung von Lavinia Rusu

  • 2004 - 2008

    Bachelor's degree in Computer Science

    The Bucharest University of Economic Studies

Sprachen

  • Englisch

    Fließend

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