Peter is available for hire

Peter Saalbrink

Verified Expert in Engineering

APIs Developer

Amsterdam, Netherlands

Toptal member since September 9, 2022

Expertise

Data Engineering Back-end Developers Web Scraping Data Scraping Big Data Architecture Python Linux SQL MySQL NoSQL Unix ETL Jira

Bio

Peter is a passionate and communicative developer who loves working with data and data applications. With a background in data engineering and Python development, he always strives to use the newest technology and features and enjoys spreading his knowledge with his peers. Peter believes the best way to solve a technical problem is to discuss it so a solution that fits everyone's needs can be found.

Portfolio

Matrixian Group

Python, Linux, Bash, Docker, Apache Airflow, Elasticsearch, Flask, MongoDB...

Experience

APIs - 4 years
ETL - 4 years
Elasticsearch - 4 years
Python - 4 years
MongoDB - 4 years
Apache Airflow - 3 years
PostgreSQL - 3 years

Availability

Part-time

Preferred Environment

Linux, PyCharm, Flask, PostgreSQL, MongoDB, Elasticsearch, Docker, Apache Airflow, Python, SQL, MySQL, AWS Lambda, APIs, Amazon Web Services (AWS), NoSQL, Unix, Back-end, Back-end Development, Amazon EC2, Amazon S3 (AWS S3), Serverless, ETL, Git, Scrum, Automation, Python 3, Databases, DevOps, Data, Open Source

The most amazing...

...project I've completed was the successful migration of databases and data applications I managed and developed to the AWS cloud.

Work Experience

Data Team Lead | Data Engineer | Python Developer

2019 - PRESENT

Matrixian Group

Developed more than 15 data applications bringing value to several client segments.
Organized learning and development workshops for a team of eight data engineers, analysts, and scientists.
Migrated four SQL and NoSQL databases under my management to AWS services.
Deployed 15 different data applications that I developed to AWS Lambda and API Gateway.
Configured and managed ETLs and data pipelines using Apache Airflow.
Improved security, stability, and monitoring of all data products.
Set up testing for internal and external data applications.
Created multiple Python packages through the deployment of internal code.
Managed and strategized the tech stack used by the data team.
Tracked product development and fixed bugs using Jira as a reporting tool.

Technologies: Python, Linux, Bash, Docker, Apache Airflow, Elasticsearch, Flask, MongoDB, PostgreSQL, Programming, PyCharm, Data Engineering, Data Science, Automated Data Flows, Data Architecture, SQL, MySQL, AWS Lambda, APIs, Data Visualization, Google Cloud Platform (GCP), Amazon Web Services (AWS), API Integration, NoSQL, RabbitMQ, Cloud, JSON, Unix, Integration, OpenAPI, Back-end, Back-end Development, SQLAlchemy, Amazon EC2, Amazon S3 (AWS S3), Web Scraping, PostGIS, Serverless, Data Modeling, REST, Selenium, Amazon RDS, REST APIs, Web API, ETL, Team Leadership, Jira, Management, Git, GitHub, Database Security, Microservices, Data Pipelines, CI/CD Pipelines, Google Cloud, Data Warehousing, Web Services, Leadership, Scrum, Migration, Data Scraping, Data Structures, Object-oriented Programming (OOP), Relational Data Mapping, Automation, Python 3, Databases, Data Reporting, DevOps, Data, Serverless Framework, Big Data, Python API, Python Performance, Python Asyncio, Concurrency, Processing & Threading, Data Lakes, Amazon API Gateway, Amazon Cognito, Amazon Cognito User Pools, SSH, Zsh, FastAPI, Pytest

Experience

Housing Data Applications

http://platform.matrixiangroup.com

A set of data applications for real estate professionals and interested consumers, amongst which are an object information tool and an automated home valuation model. I was the leading back-end Python developer of these applications and the main data engineer for the databases that backed the applications. I built the applications using Python and Flask and deployed them with Serverless Framework, AWS Lambda, and AWS API Gateway.

Education

2013 - 2018

Master's Degree in Neuroscience

University of Amsterdam - Amsterdam, Netherlands

2009 - 2013

Bachelor's Degree in Neuroscience

University of Amsterdam - Amsterdam, Netherlands

Skills

Libraries/APIs

Web API, Python API, OpenAPI, SQLAlchemy, REST APIs, Python Asyncio

Tools

Apache Airflow, Jira, Git, PyCharm, GitHub, Zsh, Pytest, RabbitMQ, Amazon Cognito

Languages

Python, SQL, Python 3, Bash, PHP

Paradigms

ETL, Microservices, Scrum, Automation, DevOps, REST, Management, Object-oriented Programming (OOP)

Platforms

Linux, Unix, Docker, AWS Lambda, Amazon Web Services (AWS), Amazon EC2, Google Cloud Platform (GCP)

Storage

PostgreSQL, MySQL, NoSQL, JSON, PostGIS, Data Pipelines, Databases, Data Lakes, MongoDB, Elasticsearch, Amazon S3 (AWS S3), Database Security, Google Cloud

Frameworks

Flask, Serverless Framework, Selenium

Other

Data Engineering, Automated Data Flows, APIs, API Integration, Back-end, Back-end Development, Web Scraping, CI/CD Pipelines, Web Services, Data Scraping, Data, Big Data, Python Performance, Concurrency, Processing & Threading, SSH, Research, Analysis, Programming, Cloud, Serverless, Data Modeling, Amazon RDS, Team Leadership, Data Warehousing, Leadership, Migration, Data Structures, Relational Data Mapping, Amazon API Gateway, FastAPI, Data Science, Data Architecture, Data Visualization, Integration, Data Reporting, Amazon Cognito User Pools, Open Source

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