Piers Karsenbarg
Customer Success Architect at Pulumi
Stony Stratford, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolPiers Karsenbarg is a Customer Success Architect with 11 years’ experience helping organisations adopt cloud-native infrastructure through hands-on solutions engineering and customer-facing architecture. Based in Stony Stratford, he has progressed through multiple senior roles at Pulumi, translating platform capabilities into deployable IaC patterns across AWS, Azure, GCP and Kubernetes. He contributes to well-known community repos like aws-samples/serverless-patterns and pulumi/examples, adding multi-language Pulumi examples (TypeScript, Go, .NET) and practical ALB-to-Lambda patterns that make complex serverless deployments reproducible. Before Pulumi he led engineering at TrueLayer and built resilient backend services at Just Eat, bringing practical product- and API-integration experience to platform adoption. Piers combines a developer-first mindset with customer empathy, making him effective at turning PoCs into production-day infrastructure. He studied Computer Science at the University of Surrey and is known for small, high-impact open-source fixes that keep example ecosystems healthy.
11 years of coding experience
15 years of employment as a software developer
Computer Science, Computer Science at University of Surrey
Stackoverflow
3,155reputation
345kreached
45answers
77questions
Github Skills (31)
docker10
typescript10
microsoft-azure10
dockers10
pulumi10
go10
lambdas10
aws10
aac10
typescript-types10
lambda10
infrastructure-as-code10
serverless10
azure10
typescripts10
Programming languages (21)
Github contributions (5)
pulumi/examples
Dec 2020 - Oct 2022
Infrastructure, containers, and serverless apps to AWS, Azure, GCP, and Kubernetes... all deployed with Pulumi
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:24 reviews, 16 commits, 33 PRs in 1 year 9 months
Contributions summary:Piers primarily contributed to the example projects by implementing and modifying infrastructure-as-code configurations using Pulumi, focusing on AWS, Azure, and Kubernetes deployments. They added new examples for features like API Gateway HTTP API, ECS Anywhere, and multi-container applications using Docker. The user also updated existing examples to align with newer versions of the Pulumi ecosystem and addressed testing-related issues.
containersgcpdevopsserverlessinfrastructure
aws-samples/serverless-patterns
Aug 2022 - Aug 2022
Serverless patterns. Learn more at the website: https://serverlessland.com/patterns.
Role in this project:Cloud Engineer / Infrastructure Engineer
Cloud Engineer / Infrastructure EngineerContributions:1 commit, 7 PRs, 3 comments in 1 day
Contributions summary:Piers primarily contributed to building serverless patterns using AWS services, specifically focusing on implementing and configuring infrastructure-as-code solutions using Pulumi. They added multiple examples demonstrating how to deploy an Application Load Balancer (ALB) connected to a Lambda function using Pulumi with different languages such as Typescript, Javascript, Go and .NET. The user also made small code changes, which included minor improvements in existing patterns and fixing minor issues related to Pulumi examples.
serverless-applicationsserverlessaws-lambdapatternsaws
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