freiberufler Data Engineer auf freelance.de

Data Engineer

offline
  • 36€/Stunde
  • 00-848 Poland
  • auf Anfrage
  • ru  |  en
  • 24.09.2024

Kurzvorstellung

Results-driven Data Engineer and Production Support Lead with 25+ years in IT, specializing in enterprise data-processing solutions. Expertise in ETL, database optimization, and system interaction. Strong analytical skills, adaptable team player.

Qualifikationen

  • Airflow
  • Amazon Web Services (AWS)
  • Congos
  • Google Cloud Platform
  • Looker
  • Microsoft Azure
  • Postgresql
  • Python
  • Snowflake
  • SQL

Projekt‐ & Berufserfahrung

Senior Data Engineer/DW Production Support Lead (Festanstellung)
Kundenname anonymisiert, Warsaw
6/2020 – 9/2024 (4 Jahre, 4 Monate)
IT & Entwicklung
Tätigkeitszeitraum

6/2020 – 9/2024

Tätigkeitsbeschreibung

• Integrating external data sources using Python, Airflow, SQL, third-party APIs.
• Developing, maintaining data pipelines using SQL, Python ( Airflow, Snowflake,
GCP ).
• Legacy SQL code re-factoring and maintenance for better performance.
• Looker report development and query optimization per customer requests.
• DQM automation improvement with alerting system set up.
• Performing root cause analysis to identify problems related to customer
data discrepancies and other issues.
• Re-organizing of production/customer problems processing for better
customer service (Jira).

Eingesetzte Qualifikationen

Engineering data management (EDM)

Customer and technical application support Lead (Festanstellung)
Kundenname anonymisiert, Berlin
8/2018 – 5/2020 (1 Jahr, 10 Monate)
IT & Entwicklung
Tätigkeitszeitraum

8/2018 – 5/2020

Tätigkeitsbeschreibung

• Resolving and providing a guidance to developers for escalated technical issues,
acting as subject matter expert (SME) for customer issues related to
application and its environments,
• raising feature enhancements to improve software, based on customer
requirements and feedback,
• improving of processes used by the support team constantly.

Eingesetzte Qualifikationen

Technischer Support

Zertifikate

Snowflake Certificate
2010

Ausbildung

#2151 Microsoft Windows 2000 Network & Operating System Essentials
Ausbildung
2000
- Project Estimation Workshop by Carnegie Mellon
Ausbildung
2000
Conflict management by IBA
Ausbildung
2000
Master degree
Atomic and Molecular Physics
Institute of Atomic and Molecular Physics of Academy of Science of Republic of Belarus
1994
Minsk

Über mich

• Data Engineer / Production Support Lead / Production Support Engineer with over 25 years of experience in IT support/development of enterprise-level data-processing solutions.
• High skilled in interaction between different systems and data transferring between them (ETL).
• Very well versed with data flow analyzing.
• Experienced in improvement and refactoring of existing legacy databases and applications, their business logic optimization.
• Familiar with Information Data Warehouse and RDMS design concepts (OLAP, OLTP).
• Solid understanding of networking, server, and database principles.
• Has an experience in script programming for different platform.
• Skilled in efficient problem solving, able to discover root cause, area impacted, to compare different solutions and to propose the optimal one for data discrepancies problems or any other data issues.
• Strong troubleshooting skills with creative problem-solving abilities with attention to detail.
• Good analytical skills and ability to work with customer
• Perfect understanding of all stages of software development and support process.
• Good organizer, communicative, has strong leader skills.
• Flexible, independent team player in a high-pressure environment with changing priorities.
• Ability to quickly learn and adapt to changing needs.
• Good understanding of all stages of database administration and development.

Weitere Kenntnisse

Skills
• SQL, Python, Unix-shells
• Google Cloud Platform, AWS, Azure
• Airflow, IBM DataStage
• Snowflake, PostgreSQL, MS SQL, Azure Data Warehouse, DB2
• Windows, Linux
• funnel.io, Amplitude, Adjust
• Looker, Cognos

Persönliche Daten

Sprache
  • Russisch (Muttersprache)
  • Englisch (Fließend)
Reisebereitschaft
auf Anfrage
Arbeitserlaubnis
  • Europäische Union
Home-Office
bevorzugt
Profilaufrufe
76
Alter
44
Berufserfahrung
24 Jahre und 11 Monate (seit 01/2000)
Projektleitung
25 Jahre

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