Freelancer profile translated to English.

Description

Database Developer / ETL / Migrations in SQL and NoSQL. Several years of experience in common databases: MySQL, MariaDB, Oracle, MS/SQL and PostgreSQL.

Programming languages: C/C++, Python, PHP.

Development of web applications, mainly backend in PHP (Sysfony, Laravel, CodeIgniter) and Ruby.

Languages

German
Native or bilingual
Schweizerdeutsch
Conversational
English
Fluent
French
Basic
Spanish
Basic
Czech
Basic

Workplace preferences

Can work on-site

Konstanz (up to 50km)

CascadeIT - Dr. Helmut Steigele
On Malt
SQL Troubleshooting / Optimization
January 2022 - February 2022
Zürich, Schweiz
GMZ Migros Zürich
Database Developer / Migration and Support
RETAIL (SMALL BUSINESS)
December 2020 - October 2020 (-1 month)
Zürich, Switzerland
Migration of extensive databases from Visual FoxPro and HFSQL.
SQL PL/SQL ETL Python XML CAMT

Helmut

CascadeIT - Dr. Helmut Steigele

Reviewed on 2/2/2022

Mr. Dau has demonstrated several strengths. 1. Listening 2. Confident in explaining, analyzing, and evaluating code defects 3. Presenting solution patterns 4. Placing these solution patterns within established development frameworks I would and will gladly rely on his expertise again at any time.

Former user and 1 other person have recommended Andreas

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Signup to reveal

Electrical Engineering Assistant
Rheinische Akademie Köln
1986

Andreas Dau

System Consultant

About Andreas

Experience

Reviews

5.0

Quality

5.0

Deadline

5.0

Communication

5.0

Helmut

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