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Wojciech Matuszewski profile picture

Wojciech Matuszewski

Doing stuff with JavaScript / Golang. Probably coding / working or at the gym.

Joined Joined on  github website twitter website

Work

Serverless Engineer at StediInc

Automatic AWS CloudFormation rollbacks upon a test failure in your CI pipelines

Automatic AWS CloudFormation rollbacks upon a test failure in your CI pipelines

Reactions 4 Comments
6 min read

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AWS CDK and Amazon DynamoDB global tables

AWS CDK and Amazon DynamoDB global tables

Reactions 15 Comments
6 min read
Strategies to test AWS AppSync VTL templates

Strategies to test AWS AppSync VTL templates

Reactions 30 Comments 1
6 min read
Two ways to directly integrate AWS Lambda function with Amazon API Gateway

Two ways to directly integrate AWS Lambda function with Amazon API Gateway

Reactions 15 Comments
4 min read
Better error messages for non-existing API resources with Amazon API Gateway

Better error messages for non-existing API resources with Amazon API Gateway

Reactions 8 Comments
7 min read
Amazon EventBridge archive and ordered replay of events

Amazon EventBridge archive and ordered replay of events

Reactions 17 Comments 1
5 min read
Processing large payloads with Amazon API Gateway asynchronously

Processing large payloads with Amazon API Gateway asynchronously

Reactions 21 Comments
8 min read
Synchronous AWS Lambda & Amazon API Gateway limits and what to do about them

Synchronous AWS Lambda & Amazon API Gateway limits and what to do about them

Reactions 14 Comments 1
5 min read
Minimal AWS SSO setup for personal AWS development

Minimal AWS SSO setup for personal AWS development

Reactions 125 Comments 6
9 min read
Curious case of AWS mapping template built-in variables

Curious case of AWS mapping template built-in variables

Reactions 13 Comments
5 min read
Saving on AWS Lambda Amazon CloudWatch Logs costs

Saving on AWS Lambda Amazon CloudWatch Logs costs

Reactions 101 Comments 5
8 min read
Testing AWS Step Functions flows

Testing AWS Step Functions flows

Reactions 63 Comments
10 min read
DynamoDB showdown: vanilla API vs PartiQL

DynamoDB showdown: vanilla API vs PartiQL

Reactions 39 Comments 1
4 min read
Amazon SQS to AWS Lambda error handling

Amazon SQS to AWS Lambda error handling

Reactions 26 Comments
5 min read
Enforcing compliance with AWS CDK Aspects

Enforcing compliance with AWS CDK Aspects

Reactions 26 Comments 1
4 min read
Amazon DynamoDB single-table design with AWS Step Functions

Amazon DynamoDB single-table design with AWS Step Functions

Reactions 13 Comments
5 min read
Lambda-less outbound HTTP requests on AWS serverless

Lambda-less outbound HTTP requests on AWS serverless

Reactions 30 Comments 2
7 min read
Prevent costly Amazon DynamoDB operations in AWS Amplify CLI projects

Prevent costly Amazon DynamoDB operations in AWS Amplify CLI projects

Reactions 26 Comments 1
4 min read
Deploying AWS CDK apps using short-lived credentials and Github Actions

Deploying AWS CDK apps using short-lived credentials and Github Actions

Reactions 37 Comments 5
8 min read
Amazon S3 to AWS StepFunctions pattern

Amazon S3 to AWS StepFunctions pattern

Reactions 40 Comments 8
6 min read
Getting the most of AWS Lambda free compute - wrapper scripts

Getting the most of AWS Lambda free compute - wrapper scripts

Reactions 21 Comments 1
7 min read
API Gateway REST API: Step Functions direct integration – AWS CDK guide

API Gateway REST API: Step Functions direct integration – AWS CDK guide

Reactions 25 Comments
9 min read
Amazon CloudWatch Logs Insights Query Snippets as Code

Amazon CloudWatch Logs Insights Query Snippets as Code

Reactions 32 Comments 3
5 min read
Serverless WebSockets on AWS

Serverless WebSockets on AWS

Reactions 120 Comments
5 min read
The Unsung Hero of Serverless apps - Event Source Mapping

The Unsung Hero of Serverless apps - Event Source Mapping

Reactions 6 Comments
3 min read
Creating resilient API synthetic canary tests using CloudWatch Synthetics

Creating resilient API synthetic canary tests using CloudWatch Synthetics

Reactions 1 Comments 3
6 min read
Mocking API endpoints with Amazon API Gateway Mock Integration

Mocking API endpoints with Amazon API Gateway Mock Integration

Reactions 7 Comments
6 min read
Understanding the Lambda Logs API

Understanding the Lambda Logs API

Reactions 1 Comments
3 min read
Extending various TypeScript type declarations

Extending various TypeScript type declarations

Reactions 29 Comments 1
6 min read
Understanding the AWS Lambda Runtime API

Understanding the AWS Lambda Runtime API

Reactions 23 Comments
5 min read
Mutable and immutable useRef semantics with React & TypeScript

Mutable and immutable useRef semantics with React & TypeScript

Reactions 102 Comments 11
3 min read
Two lesser-known ways to increase observability in AWS Lambda based applications

Two lesser-known ways to increase observability in AWS Lambda based applications

Reactions 6 Comments
3 min read
Top three React & TypeScript pitfalls

Top three React & TypeScript pitfalls

Reactions 116 Comments 11
4 min read
One-Time presigned URLs with Amazon CloudFront and Amazon S3

One-Time presigned URLs with Amazon CloudFront and Amazon S3

Reactions 18 Comments 4
4 min read
Starting Synchronous Express Workflows with API Gateway and CDK

Starting Synchronous Express Workflows with API Gateway and CDK

Reactions 18 Comments
3 min read
Testing your Apollo Links

Testing your Apollo Links

Reactions 15 Comments
4 min read
Safe Node.js file operations with fp-ts

Safe Node.js file operations with fp-ts

Reactions 13 Comments
4 min read
RxJS Notification and materialize / dematerialize operators

RxJS Notification and materialize / dematerialize operators

Reactions 22 Comments 2
3 min read
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