Senior

Dumitru, Romania

Senior

€35-€60 hourly



About me

I am a consultant / contractor / freelancer with 5+ years of experience, only interested in remote work.

I help companies around the world to design and implement their software solutions.

Let's connect!

My work experience

  • Junior Software Developer at Vauban - Employee 06-01-2015 - 04-01-2017

    Bucharest


    The client, a French investment bank, was struggling with the development and maintenance of the web application involved in financial technologies, due to legacy code and old architecture. Users were complaining about performance.

    Drastically increased application performance by 70% by rebuilding the application using a clean architecture and increased usability and browser support by 90% by implementing a friendly and responsive user interface.

    Skills used: Java 8, JAXB, Spring core, Spring MVC,
    Spring REST, Spring Data
  • Software Development Engineer at Playwing - Employee 05-01-2017 - 06-01-2018

    Bucharest


    The customer, involved in e-commerce and digital advertising technologies, was losing revenue every day as he was lacking transparency into business metrics.

    Drastically increased revenue by 370% by offering in-depth insights into the business by designing and implementing a straightforward portal for metrics & statistics that allowed the best monetization decisions for mobile applications.

    Skills used: Java 8, JAXB, Spring core, Spring MVC, Spring REST, Spring Data.
  • Senior Software Developer at Luxoft - Employee 06-01-2018 - 09-01-2019

    Bucharest


    The client, a Swiss investment bank, was struggling with the
    development and maintenance of the web application involved
    in financial technologies.

    Drastically reduced time to develop a new feature by 50% by decoupling the application modules by designing a solution to integrate Spring technologies bringing Dependency injection capabilities. Redesigned about 30% of the codebase in the process while keeping a very stable & reliable solution for the end-user.

    Skills used: Java 8, JAXB, Spring core, Spring MVC, Spring REST, Spring Data
  • Senior Software Developer at Wipro Technologies - Employee 09-01-2019 - 04-30-2021

    Bucharest


    The client, NXP Semiconductors, was struggling with script files creation (in proprietary language) according to the specifications that are described in XLS files.

    Eliminated script creation time going from 2 months of work to only 1 minute by fully automating the process by designing and implementing a source-to-source compiler to generate the scripts having 100% of syntax errors eliminated.

    Skills used: Java and compiler principles: lexical analysis, syntax analysis, parser, tokenization, creation