geseib

Principal Software Engineer at JPMorgan, developing firmwide patterns for secure and resilient cloud application governance. Cloud engineer focusing on AWS networking, serverless applications, and automation. This profile highlights hands-on workshops, infrastructure templates, scripting utilities, and a commitment to working backwards from customer needs. Connect via LinkedIn for full professional background.

Working Backwards & Engagements

• Document goals and success metrics before writing a line of code and craft a PRFAQ to clarify the customer problem.
• Concept notes and reference data sets live in the engagements repo dev branch, including DynamoDB design ideas and sample game content used to iterate with customers.

AWS Networking & Training

• 2019–2024: Co-led AWS Networking Immersion Day content that evolved into the AWS Networking Workshops catalog.
  • Original creator for the gateway load balancer exercises and advanced networking workshop.
  • Covers VPC routing, Transit Gateway, Direct Connect, VPN, and Gateway Load Balancer patterns.
• 2020–2023: Delivered internal AWS networking training which became public courses:
  • AWS Network Connectivity Options
  • AWS Network Monitoring and Troubleshooting
• Amazon Data Exchange: Launch team member supporting data provider and consumer workflows; contributed the article "Find and acquire new data sets and retrieve updates automatically using AWS Data Exchange".

Repository Highlights

• AWS networking & connectivity – Examples and workshops such as awsnetworking, tgwwalk, and transitgateway explore multi-VPC designs, Transit Gateway, and routing best practices.
• Serverless & application prototypes – Projects like arcane-whispers, aws-acm-autovalidate, and aws-serverless-workshops demonstrate Lambda, API Gateway, and event-driven patterns.
• Automation tools & samples – Utilities including r53resolverhelper, project1, and nexus-vlans showcase Python and shell scripts for infrastructure management and testing.
• Engagement & event collaboration – Repositories like engagements, awselbworkshop, and multitgwworkshop capture real-time collaboration for projects, teams, and organizations using React, serverless, and single-table design applications.

Featured Workshops

• AWS AppSync Calorie Tracker Workshop – Serverless GraphQL APIs with AppSync, Lambda, and DynamoDB.
• AWS Lambda Zombie Workshop – Zombie-themed lab teaching Lambda, API Gateway, and DynamoDB.
• AWS Serverless WebApp Workshop – Full-stack application built with Lambda, DynamoDB, S3, and CloudFront.
• AWS Networking Workshop – Hands-on labs covering VPC design, Transit Gateway, and network connectivity patterns.

Notable Gists

• s3etag2md5hash.py – Compare an Amazon S3 object's ETag with a local MD5 hash.
• byoip.sh – Automate Bring Your Own IP setup for AWS.
• gistfile1.txt – Shell script to compare service availability across AWS regions.
• Additional snippets cover EC2 user data initialization and PHP access to AWS Secrets Manager.

Certifications

• AWS Certified Advanced Networking – Specialty (valid through May 2027)
• AWS Certified Security – Specialty (valid through April 2026)
• AWS Certified DevOps Engineer – Professional (valid through February 2026)
• AWS Certified Database – Specialty (valid through January 2026)
• AWS Certified Solutions Architect – Professional (valid through July 2027)
• AWS Certified Solutions Architect – Associate (valid through July 2027)
• AWS Cloud Quest: Data Analytics
• AWS Cloud Quest: Solutions Architect
• AWS Cloud Quest: Serverless Developer
• AWS Cloud Quest: Cloud Practitioner
• AWS Cloud Quest: Security

Connect

• LinkedIn – Professional background and roles.
• Credly – AWS certifications and digital badges.

Find more at github.com/geseib.