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stefan1condeescu/README.md

Hi, I'm Stefan Condeescu

Junior Software Engineer | Java, Python, C++, SAS | Backend, SQL, Data & Machine Learning

Based in Bucharest, Romania. I build practical software and data projects that combine application logic, relational databases, analytics, and machine learning.

Profile

  • Recent graduate of the Faculty of Economic Cybernetics, Statistics and Computer Science in Bucharest
  • Project-based Python internship working with SQLite, JSON, telemetry validation, anomaly detection, and CSV reporting
  • Portfolio spanning backend and web development, PostgreSQL and Oracle databases, analytics dashboards, and applied machine learning

Tech stack

Languages: Java, Python, C/C++, SQL, PL/SQL, SAS, JavaScript
Backend, web & APIs: Node.js, Express, React, Vite, REST APIs, JWT, Postman
Databases: PostgreSQL, Oracle SQL, SQLite
Data & ML: pandas, NumPy, scikit-learn, statsmodels, Streamlit, Plotly
Engineering: Git, Docker, Render, unittest, JUnit, UML, BPMN, GoF design patterns

Featured projects

MacroSense

Python, Streamlit, PostgreSQL, pandas, scikit-learn

Bachelor's thesis application for nutrition, activity, and weight tracking, with analytics dashboards, a What-if simulator, automated tests, and machine learning weight predictions.

PresenceBoard

React, Node.js, Express, Sequelize, PostgreSQL, JWT

Full-stack QR attendance platform with organizer authentication, recurring events, duplicate protection, live attendance views, and CSV export.

Oracle Maritime Transport DBMS

Oracle SQL, PL/SQL, relational modeling, triggers, packages

Database project with constraints, queries, views, procedures, packages, capacity validation triggers, and audit logging.

Global Freight Transport Analytics

Python, Streamlit, pandas, Plotly, scikit-learn

Analytics dashboard covering data preparation, interactive visualizations, outlier detection, clustering, and regression models.

Education

Bachelor's Degree in Economic Informatics
Faculty of Economic Cybernetics, Statistics and Computer Science
Bucharest University of Economic Studies | Sep 2023 - Jul 2026

Technical focus: software engineering, databases, data analysis, and machine learning.

Certifications & languages

  • Oracle Academy - Database Design and Programming with SQL
  • Oracle Academy - Database Programming with PL/SQL
  • Cisco Networking Academy - JavaScript Essentials 1 & 2
  • IELTS Academic - Overall Band 8.0
  • Cambridge FCE - C1 level

Languages: Romanian native, English advanced

Contact

Popular repositories Loading

  1. MacroSense MacroSense Public

    Bachelor thesis project: nutrition and activity tracking, PostgreSQL analytics, What-if simulation, and ML-based weight prediction.

    Python

  2. presenceboard-attendance presenceboard-attendance Public

    QR-based attendance tracker for classes, workshops, and recurring sessions, built with React, Express, Sequelize, and PostgreSQL.

    JavaScript

  3. remote-app-update-system remote-app-update-system Public

    A Python TCP client-server system that demonstrates remote application downloads, version tracking, and automatic update delivery.

    Python

  4. global-freight-transport-analytics global-freight-transport-analytics Public

    Streamlit dashboard for exploring global air and rail freight patterns with World Bank-style data, interactive visualizations, preprocessing, clustering, and regression models.

    Python

  5. bank-marketing-sas-analytics bank-marketing-sas-analytics Public

    End-to-end SAS analytics workflow for a bank marketing campaign dataset, including preprocessing, SQL analysis, reporting, visualization, and logistic regression.

    SAS

  6. eur-gbp-time-series-analysis eur-gbp-time-series-analysis Public

    Time series analysis of the EUR/GBP exchange rate in the Brexit period, using ARIMA/SARIMA forecasting and VAR-based macroeconomic dynamics.

    Python