freiberufler Senior Data/ML Consultant, Developer, Architect and Project Lead. auf freelance.de

Senior Data/ML Consultant, Developer, Architect and Project Lead.

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  • 81375 München
  • DACH-Region
  • de  |  en  |  nl
  • 28.06.2024

Kurzvorstellung

S. S. is a full stack senior machine learning and data consultant. With 10 years experience in data science, 5 years in consultancy, S. S. brings data science best practice into your business. Julia, Python, R, Scala, Matlab.

Ideal project: Julia

Qualifikationen

  • Big Data4 J.
  • Data Science4 J.
  • High Performance Computing
  • Julia (Programmiersprache)
  • Low Latency Computing
  • Maschinelles Lernen2 J.
  • Python3 J.
  • R (Programmiersprache)1 J.
  • Real time
  • Scala2 J.

Projekt‐ & Berufserfahrung

Lead Developer & Architect
Kundenname anonymisiert, München
9/2020 – 3/2021 (7 Monate)
Automobilindustrie
Tätigkeitszeitraum

9/2020 – 3/2021

Tätigkeitsbeschreibung

Supporting Usecase Development on Datalake

Guidance was provided for architectural decisions, adapting access policies, and debugging routing issues. A specific GDPR treatment ingestion processes was implemented and rolled-out. In production.

Duration: 6 months
Team setting: Team Lead, Team of 2, remote
Technologies: Infrastructure-as-code, cloudformation, sceptre, python, boto3, PySpark, scala, Spark, AWS Glue, AWS Secrets,

Eingesetzte Qualifikationen

Amazon Web Services (AWS), Apache Spark, Projektleitung / Teamleitung (IT), Python, Scala

Lead Developer & Architect
Kundenname anonymisiert, München
6/2020 – 3/2021 (10 Monate)
Automobilindustrie
Tätigkeitszeitraum

6/2020 – 3/2021

Tätigkeitsbeschreibung

20 ETL Pipelines on AWS

Replacing an CRM required the development of about 20 ETL pipelines to replace existing systems with new data-flows. Including one REST API. In production.

Team setting: Team Lead, Team of 3, remote
Technologies: AWS Glue, PySpark, python, boto3, pandas, AWS SNS, AWS SQS, PostgreSQL, MongoDB, AWS DocumentDB, AWS API Gateway, AWS Cog

Eingesetzte Qualifikationen

Amazon Web Services (AWS), Apache Spark, Mongodb, Postgresql, Projektleitung / Teamleitung (IT), Python

Lead Developer & Architect
Kundenname anonymisiert, München
1/2020 – 5/2020 (5 Monate)
Automobilindustrie
Tätigkeitszeitraum

1/2020 – 5/2020

Tätigkeitsbeschreibung

Building Multitenant Datalake on AWS

Implementing from scratch a datalake platform on AWS which is deployed in several countries using InfrastructureAsCode as the key technology. A key focus was GDPR conformity. In production.

Team setting: Team Lead, Team of 2, remote with a few on-side workshops
Technologies: Infrastructure-as-code, cloudformation, sceptre, python, boto3, PySpark, scala, Spark, AWS Glue, AWS Secrets, AWS IAM, S3, SNS, Lambda, Kubernetes, AWS VPC, AWS Transit Gateway, AWS Networking, AWS EC2, AWS Session Manager, AWS CloudWatch, AWS Sagemaker

Eingesetzte Qualifikationen

Amazon Web Services (AWS), Projektleitung / Teamleitung (IT), Python

Core Developer
Kundenname anonymisiert, München
4/2019 – 12/2019 (9 Monate)
Telekommunikation
Tätigkeitszeitraum

4/2019 – 12/2019

Tätigkeitsbeschreibung

Unification of Existing Time Series Analytics

Several custom anomaly detection solutions on time series were refactored and unified into a generic framework which can be easily deployed to new usecases and new infrastructures (AWS tested). In production.

Team setting: Team of 15, on-site, Scrum
Technologies: Python, PySpark, (PL)SQL, Hive, HBase, Oracle, Tableau

Eingesetzte Qualifikationen

Apache Spark, Big Data, Data Science, Oracle Database, Scrum, SQL, Tableau

Senior Data Science Consultant & Technical Lead (Festanstellung)
Machine Learning Reply, München
1/2019 – 3/2021 (2 Jahre, 3 Monate)
IT & Entwicklung
Tätigkeitszeitraum

1/2019 – 3/2021

Tätigkeitsbeschreibung

Everything around data science consultancy:
- recruiting new colleagues
- pitching new projects
- request for proposals
- requirements engineering
- team setup
- team lead
- conceptualization of data science or data engineering solution
- development of data science or data engineering solutions
- giving workshops, trainings
- auditing customers solutions
- architecting data lakes and cloud data infrastructure
- ...

Eingesetzte Qualifikationen

Amazon Web Services (AWS), Big Data, Data Science, It-Beratung, Maschinelles Lernen, Recruiting, Workshop - Kundenorientierung

Quality Assurance & Adviser
Kundenname anonymisiert, Herzogenaurach
10/2018 – 11/2018 (2 Monate)
Konsumgüterindustrie
Tätigkeitszeitraum

10/2018 – 11/2018

Tätigkeitsbeschreibung

Review: Custom Datascience Framework

Infrastructure review and code review of a framework implemented build by one of our customers.

Team setting: Team of 1, mixed remote & on-site
Technologies: R, AWS

Eingesetzte Qualifikationen

Amazon Web Services (AWS), R (Programmiersprache)

Teacher
Kundenname anonymisiert, Herzogenaurach
9/2018 – 9/2018 (1 Monat)
Konsumgüterindustrie
Tätigkeitszeitraum

9/2018 – 9/2018

Tätigkeitsbeschreibung

Workshop: Developing with Apache Spark

Four one-day workshops at customers, two introductory, the other two advanced. Contents: Performance optimization, monitoring, interfacing Scala-R-Python, best practices

Setting: Group of 15 persons, sole presenter
Technologies: R, Python, Spark

Eingesetzte Qualifikationen

Apache Spark, Python, R (Programmiersprache)

Data Science Developer
Kundenname anonymisiert, München
8/2018 – 3/2019 (8 Monate)
Marketing, PR und Design
Tätigkeitszeitraum

8/2018 – 3/2019

Tätigkeitsbeschreibung

Recommender System

Designed, implemented, and deployed Big Data recommendation system, now running in production for Millions of daily customers. In production.

Team setting: Team of 1, on-site, weekly reviews
Technologies: On-premise, R, Scala, SBT, Spark, Yarn, HDFS

Eingesetzte Qualifikationen

Apache Hadoop, Apache Spark, Big Data, Data Mining, Data Science, Datenanalyse, R (Programmiersprache), Scala

Senior Data Science & Engineering Consultant (Festanstellung)
Data Reply, München
7/2018 – 12/2019 (1 Jahr, 6 Monate)
IT & Entwicklung
Tätigkeitszeitraum

7/2018 – 12/2019

Tätigkeitsbeschreibung

Everything around data science consultancy:
- recruiting new colleagues
- pitching new projects
- request for proposals
- requirements engineering
- conceptualization of data science or data engineering solution
- development of data science or data engineering solutions
- giving workshops, trainings
- auditing customers solutions
- ...

Eingesetzte Qualifikationen

Big Data, Data Mining, Data Science, Data Warehousing, Engineering data management (EDM), It-Beratung, Maschinelles Lernen, Recruiting, Workshop - Kundenorientierung

Data Science Developer
Kundenname anonymisiert, München
6/2017 – 8/2018 (1 Jahr, 3 Monate)
Marketing, PR und Design
Tätigkeitszeitraum

6/2017 – 8/2018

Tätigkeitsbeschreibung

Fraud Detection

Draft, development, implementation, evaluation and deployment of an anomaly detection system to detect previously unkown types of fraud.

Team Setting: Team of 1, on-site, review once every three months
Technologies: R, Scala, Spark, Yarn

Eingesetzte Qualifikationen

Apache Spark, Data Mining, Data Science, Datenanalyse, R (Programmiersprache), Scala

Data Science Consultant (Festanstellung)
Data Reply, München
11/2016 – 7/2018 (1 Jahr, 9 Monate)
IT & Entwicklung
Tätigkeitszeitraum

11/2016 – 7/2018

Tätigkeitsbeschreibung

Everything around data science consultancy:
- recruiting new colleagues
- pitching new projects
- request for proposals
- requirements engineering
- conceptualization of data science or data engineering solution
- development of data science or data engineering solutions
- giving workshops, trainings
- auditing customers solutions
- ...

Eingesetzte Qualifikationen

Big Data, Data Mining, Data Science, Datenanalyse, It-Beratung, Recruiting, Workshop - Kundenorientierung

Data Science Developer
Kundenname anonymisiert, München
11/2016 – 4/2017 (6 Monate)
Telekommunikation
Tätigkeitszeitraum

11/2016 – 4/2017

Tätigkeitsbeschreibung

Callcenter and Webcontent Optimization using Speech Analytics.

A 3 dimensional content detection system was setup for written conversations. Given only plain text, it identifyed customer specific product entities, services, and problems.

Team Setting: Team of 3, on-site, reviews every week
Technologies: Python, NLP, spacy

Eingesetzte Qualifikationen

Data Mining, Data Science, Natural Language Processing, Python

Python Developer (Festanstellung)
Trufflebit, Nijmegen, Netherlands
1/2016 – 9/2016 (9 Monate)
IT & Entwicklung
Tätigkeitszeitraum

1/2016 – 9/2016

Tätigkeitsbeschreibung

Data Parsing

Build parser to extract time series data from customer specific text data formats

Team Setting: Team of 1, remote, steady exchange with CEO
Technologies: Python, PyParsing, Cython

Eingesetzte Qualifikationen

Data Mining, Python

Web Developer (Festanstellung)
Trufflebit, Nijmegen, Netherlands
9/2015 – 1/2016 (5 Monate)
IT & Entwicklung
Tätigkeitszeitraum

9/2015 – 1/2016

Tätigkeitsbeschreibung

Web Visualization

Build Django based web-dashboard with Bokeh based interactive data analysis visualization.

Team Setting: Team of 1, remote, steady exchange with CEO
Technologies: Python, Django, Bokeh

Eingesetzte Qualifikationen

Python, Web Entwicklung

Computer vision & Object recognition
University of Osnabrück, Osnabrück
4/2013 – 3/2014 (1 Jahr)
Maschinen-, Geräte- und Komponentenbau
Tätigkeitszeitraum

4/2013 – 3/2014

Tätigkeitsbeschreibung

Building an Autonomous Robot

Programmed robot with wheels and arms to grab a muffin from the receptionist on first floor, take the elevator, and bring it to the robotics lab.

Team Setting: Team of 14, on-site, Scrum
Technologies: ROS, Gazebo, Python, C++, OpenCV

Eingesetzte Qualifikationen

C++, Python, Robot Operating System, Scrum

Zertifikate

AWS Certified Solutions Architect – Professional
2021
AWS Certified Machine Learning – Specialty
2020
AWS Certified Solutions Architect – Associate
2020
AWS Certified Big Data – Specialty
2018
AWS Certified Cloud Practitioner
2018
Professional Scrum Master™ I (PSM I)
2017
Cloudera Certified CCA Spark and Hadoop Developer
2017

Ausbildung

M.Sc. Applied Stochastics
Master of Science
2016
Nijmegen, Netherlands
M.Sc. Cognitive Science
Master of Science
2015
Osnabrück, Deutschland
B.Sc. Mathematik/Informatik
Bachelor of Science
2014
Osnabrück, Deutschland
B.Sc. Cognitive Science
Bachelor of Science
2013
Osnabrück, Deutschland

Über mich

Specialized for building modern machine learning and data pipelines with Julia

Weitere Kenntnisse

10 years experience in Data Science and Data Engineering.
5 years experience in Data Consultancy.

Selected Programming Languages:
Julia, Python, R, SQL, Scala, Matlab, Java, C++, Haskell, ROS, JavaScript, HTML, CSS (Web Stack)

Selected Industries:
Telecommunication, Automotive, Retail, Bonus Program, Media, Manufacturer

Selected Data Science Fields:
Statistics, Machine Learning, Deep Learning, Computer Vision, NLP Natural Language Processing, Analytics, Anomaly Detection, Time Series Prediction, Recommendation, Object recognition, ETL, Data Pipelines, Data Lake, Visualization, Dashboards

Selected Big Data:
Julia, Dask, PySpark, Spark, Hadoop MapReduce, Data Lake Setup, Yarn, HDFS, Hive, HBase

Selected Database:
PostgreSQL, MongoDB, MySQL, Oracle, Microsoft, Hive, HBase

Cloud:
AWS, Azure, Infrastructure-as, code, terraform, cloudformation, sceptre

AWS:
S3, SNS, Kubernetes, AWS VPC, ETL, CRM, API, pandas, AWS SNS, AWS SQS, PostgreSQL, MongoDB, AWS DocumentDB, AWS API Gateway, AWS Cognito, AWS Lambda, infrastructure-as-code cloudformation, Lambda, AWS Transit Gateway, AWS Networking, EC2, AWS Session Manager, AWS CloudWatch

Azure:
Azure Machine Learning, Azure App Service, Azure AD, infrastructure-as-code terraform

Methodology: 
Scrum, Waterfall

Persönliche Daten

Sprache
  • Deutsch (Muttersprache)
  • Englisch (Fließend)
  • Niederländisch (Grundkenntnisse)
  • Spanisch (Grundkenntnisse)
Reisebereitschaft
DACH-Region
Arbeitserlaubnis
  • Europäische Union
Home-Office
bevorzugt
Profilaufrufe
803
Alter
34
Berufserfahrung
9 Jahre und 2 Monate (seit 09/2015)
Projektleitung
1 Jahr

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