CONSTANTIN IONESCU
SENIOR PYTHON DEVELOPER • CONTRACTOR • FREELANCER
ABOUT ME
I am a passionate Python Backend Developer | Consultant |
Contractor | Freelancer with 4+ years experience.
I use my skills and experience to design and implement top-of-the
line backend solutions for companies worldwide.
Let's have a talk if you think my expertise could help your
organization.
CONTACT
-
WORK EXPERIENCE
-Bucharest, Romania
Senior Python Developer
Web Application | Cisco
in/constantin-ionescu
constantin ionescu
The client, an American leader in the Networking field, was dealing
with an increased demand for more advanced instrument to
manage access for internal engineers to their internal applications.
SKILLS
Python
Django
Flask
MySQL
Postgres
MongoDB
4
1
1
4
1
1
years
year
year
years
year
year
EDUCATION
Bucharest University of Economic
Studies
Master in Managment of Banking
Systems, 2010 - 2012
• Decreased 90% of the time for setting up network devices for
an organization by designing a solution that automatically applies
devices settings.
• Decreased 70% of the time for giving specific access to use a
certain application by developing a single sign-on platform that
gives permission to the user for every application.
• Reduced 99% of the forbidden and unwanted words in
Techzone articles by designing a custom- tailored module that
analyzes article text provides an alerts in case of presence of
specific words.
• Led a team of 2 backend developers from the position of a
Senior Developer.
LANGUAGE
Romanian
English
Feb 2021 - Sep 2023
Native
Advanced
CERTIFICATIONS
PCEP - Python Programmer
PCAP - Python Programmer
Database SQL/MySQL
Java Programming
ISTQB Foundation Level
Skills: Django, Flask, API, MongoDB, SQLite, GitHub, GitLab, Web
Scrapping.
Python Backend Developer
Calculation Engine | IBM
Mar 2020 - Mar 2021
The client, a global leader in ESG research and data lacked an up
to date and safe calculation engine.
• Gained an increase of 8x in performance by designing a
notebook calculation engine that extracts and calculates data.
• Eliminated 99% of manual work by designing a script
calculation engine that extracts and calculates data.
Skills: Pandas, Numpy, PostgreSQL, AWS services such as S3 and
Lambda
Python Developer
Automation | Harman
Jun 2017 - Mar 2018
The client, a global leader in Automotive industry was responsible
for designing infotainment systems for its clients.
• Reduced 60% of the running time for integration tests by
designing script with automated tests.
• Improved integration time flow with 15% by designing scripts
for automated processes.
Skills: Scripting, XML, JSON, Linux, Shell, WMware, Jenkins,
GitHub, Confluence, Jira
