Maurice Borgmeier

Maurice is a Senior Cloud Consultant and Trainer at tecRacer Consulting with a focus on Automation, Serverless and Data Analytics. As a member of the AWS Ambassador and AWS Community Builder programs he likes to share what he learns.

About me

I’m a Cloud Consultant at tecRacer Consulting with a focus on Automation, Serverless and Data Analytics. I enjoy building (and breaking) things on AWS. I help our customers build secure, scalable, performant and cost-effective solutions on AWS.

AWS Certifications:

• AWS Certified Solutions Architect - Professional
• AWS Certified DevOps Engineer - Professional
• AWS Certified Data Analytics - Specialty
• AWS Certified Security – Specialty
• AWS Certified Database - Specialty
• AWS Certified Big Data - Specialty
• AWS Certified Advanced Networking - Specialty
• AWS Certified SAP on AWS - Specialty
• AWS Certified Machine Learning - Specialty
• AWS Certified Machine Learning Engineer - Associate
• AWS Certified Data Engineer - Associate
• AWS Certified SysOps Administrator - Associate
• AWS Certified Solutions Architect - Associate
• AWS Certified Developer - Associate
• AWS Certified Cloud Practitioner
• AWS Certified AI Practitioner

Posts

2025  ¹

February  ¹

• Which AWS Regions are Lambda@Edge functions executed in?

2024  ¹⁸

December  ¹

• Integrating HubSpot with AWS Lambda

November  ¹

• How I spent a few hours using advanced technology to save $2

September  ²

• Building Data Aggregation Pipelines using Apache Airflow and Athena
• How to accidentally create read-only DynamoDB items

August  ⁴

• Making the TPC-H dataset available in Athena using Airflow
• Enabling Apache Airflow to copy large S3 objects
• You can't Opt-Out of Performance Tracking in the AWS Console
• Improving Accessibility by Generating Image-alt texts using GenAI

June  ¹

• Going on an Industry Quest: Manufacturing and Auto

May  ¹

• Switching Identity Providers in the IAM Identity Center

April  ⁴

• Introduction to SSO with the IAM Identity Center and Entra ID
• Using undocumented AWS APIs with Python
• Adding Cognito Authentication to our Serverless Dash App
• Build a Serverless S3 Explorer with Dash

March  ³

• Adding Basic Authentication to the Serverless Dash App
• Building Lambda with Terraform
• Deploying a Serverless Dash App with AWS SAM and Lambda

February  ¹

• Understanding Iterations in Ray RLlib

2023  ⁷

September  ¹

• Teaching boto3 to store floats and datetime objects in DynamoDB

August  ²

• Handling Errors and Retries in StepFunctions
• HIVE_CURSOR_ERROR in Athena when reading parquet files written by pandas

June  ¹

• Advanced Credential Rotation for IAM Users with a Grace Period

April  ¹

• Push-Down-Predicates in Parquet and how to use them to reduce IOPS while reading from S3

March  ¹

• The beating heart of SQS - of Heartbeats and Watchdogs

January  ¹

• What are the folders in the S3 console?

2022  ²⁷

December  ¹

• Introduction to asynchronous interactions with the AWS API in Python

October  ¹

• Implementing Pessimistic Locking with DynamoDB and Python

September  ¹

• Glue Crawlers: No GetObject, No Problem

June  ²

• Waiting for things to happen and paginating responses with boto3
• What is a Quantum Ledger Database?

May  ⁵

• Enable Autocomplete for boto3 in VSCode
• Getting a near-real-time view of a DynamoDB stream with Python
• Getting started with testing DynamoDB code in Python
• Putting the database to sleep using Lambda - a Python developer's first contact with Golang
• Glue Crawlers don't correctly recognize Ion data - here's how you fix that

April  ⁴

• What is Amazon Ion, and how can I read and write it in Python?
• Lambda Destinations can improve success- and error handling for asynchronous Lambda Functions
• Understanding Apache Airflow on AWS
• Implementing accurate counters in DynamoDB using Python

March  ⁵

• Deep Dive into DynamoDB streams and the Lambda integration
• Using Permission Boundaries to balance Security and Developer Productivity
• Introduction to MQTT and AWS IoT Core
• Scheduling dev.to posts with Honeycode
• Honeycode changed my mind about no-code

February  ⁴

• How the Application Load Balancer works
• How ALIAS records can reduce initial load times for your website
• Working around Glue's habit of dropping unsuspecting columns
• Use the CDK to trigger your Lambda function in sub-minute intervals

January  ⁴

• Solving Hive Partition Schema Mismatch Errors in Athena
• Lambda SQS Event Filters may delete your messages if you're not careful
• Simplify your code and save money with Lambda Event Filters
• How to ingest MQTT data from VerneMQ into your Data Lake using IoT Core

2021  ¹²

December  ²

• Can AWS re:Post replace stackoverflow?
• Using PySpark and AWS Glue to analyze multi-line log files

August  ¹

• IAM: What happens when you assume a role?

July  ¹

• Implementing optimistic locking in DynamoDB with Python

June  ¹

• What I wish somebody had explained to me before I started to use AWS Glue

April  ¹

• Working with lists in DynamoDB

March  ³

• Complexity costs: Read performance for nested DynamoDB items with different Lambda configurations
• Modelling a product catalog in DynamoDB
• DynamoDB in 15 minutes

February  ¹

• How boto3 impacts the cold start times of your Lambda functions

January  ²

• Why I had to update my mental model of DynamoDB streams
• New Year, New Design

2020  ⁸

October  ¹

• Speed up Docker Image Building with the CDK

September  ²

• Enforcing encryption standards on S3-objects
• Deployment Issues with Cross Stack Dependencies and the CDK

June  ¹

• S3 Cross Account Adventures

May  ¹

• Building a static website with Hugo and the CDK

March  ¹

• Building a Fargate-based container app with Cognito Authentication

February  ¹

• The case of the missing bucket notifications

January  ¹

• Machine to Machine Authentication with Cognito and Serverless

2019  ⁵

September  ¹

• Automating ACM Certificates with Serverless Framework

August  ¹

• Deploying the Serverless Framework to AWS from Azure DevOps

June  ¹

• Automating Athena Queries with Python

May  ²

• Managing multiple stages with Terraform
• Building Lambda with terraform