Cristian Cristea

is looking for freelance projects. 🔎

Bis 2024, Senior Ruby Developer, A-Menu
Hamburg, Germany

Skills

Ruby on Rails
Ruby
PostgreSQL
JavaScript
Git
CSS
TDD
HTML
RESTful API

Timeline

Professional experience for Cristian Cristea

  • 8 months, Feb 2024 - Sep 2024

    Senior Ruby Developer

    A-Menu

  • 7 months, Jul 2023 - Jan 2024

    Senior Ruby Developer

    Comp2

  • 10 months, Sep 2022 - Jun 2023

    Senior Ruby Developer

    Placely

  • 11 months, Dec 2021 - Oct 2022

    Senior Ruby on Rails Developer

    Sudocs - PLAI

    Sudocs - PLAI The client, providing Natural Language Processing services, was struggling to develop their project, due to lacking technical expertise and team organization. Acquired the 1st major client by building a custom-tailored solution and leading a fast-paced team of 3 developers and 1 data scientist in designing and creating the product.

  • 5 months, Aug 2021 - Dec 2021

    Ruby on Rails Developer

    Sudocs

    Sudocs The client, a leading provider of Natural Language Processing services, aimed to build a project to automatically generate documentation for a codebase but was unable to do so due to lacking technical expertise. Improved customer satisfaction by 100%, by building a custom solution to automate the Github data management.

  • 1 year and 8 months, Jan 2020 - Aug 2021

    Ruby on Rails Developer

    Mozubi

    The client, active in the German e-learning market, was struggling to scale the business, due to a slow performant and non-customizable Learning Management System. Increased application loading speed from over 10 seconds to under 1 second by identifying the bottlenecks and by redesigning and refactoring the application. Increased customer satisfaction, by building a custom overview tool for student performance. Improved company's income, by developing a student tracking system and custom invoicing.

  • 7 months, Mar 2020 - Sep 2020

    Ruby on Rails Developer

    Le Wagon GmbH

    The client, leading coding Bootcamp worldwide providing Web Development and Data Science courses, was looking to scale their business by running multiple batches of students but was lacking teachers. Delivered 2 projects, by organizing and supporting 2 teams of 4 students with the challenges of developing production-ready applications. Achived a final review score of 9.1/10 based on 20 student reviews, effectively guiding students to solve coding problems and explaining programming concepts when needed.

Languages

  • English

    Fluent

  • German

    Fluent

  • Romanian

    First language

XING – The jobs network

  • Over 1 million jobs

    Find just the right job for you on XING.

  • Job offers just for you

    Get found by employers and over 20,000 recruiters.

  • 21 million members

    Connect with new people and gather inspiration to boost your working life.

  • Free membership

    Basic membership is free, but the opportunities are priceless.

Browse over 21 million XING members