// identity_systems
Digital identity, done right
Authentication, verifiable credentials, and open standards like OIDC4VP — building the flows people trust with the question “who are you?”.
$ whoami
Mohamed Abdelsamei
Backend engineer · identity systems · cloud architecture
I build the backend systems people trust with their identity — ten years of designing, scaling, and quietly keeping alive the services underneath identity & verification platforms.
## what_i_do
// backend_architecture
Systems that stay boring
Designing, modernizing, and scaling cloud-native services on AWS — distributed systems that double performance and then stay out of the news.
// technical_leadership
Teams that ship with confidence
Leading system design across product, infra and security teams — and mentoring engineers to own architecture, not just tickets.
## open_source
// dart_package
aws_xray_sdk — AWS X-Ray distributed tracing for Dart
Auto-traces dart:io HTTP and Smithy SDK clients,
propagates X-Amzn-Trace-Id, and sends segments via
UDP. First-class Lambda support. Verified publisher on pub.dev.
Dart
MIT
✓ verified publisher
## writing --latest
$ ls articles/ — total 0
Notes on backend architecture, identity systems, and boring reliability are in the works. The RSS feed is already live — point your reader at it and the first post will find you.
first one publishing soon — nothing here is rushed.
## stack --list
// build
- Node.js / TypeScriptcore
- Dartcore
- RESTful API designdaily
- Distributed systemsdaily
- Event-driven architecturedaily
// run
- AWScertified SA
- Serverless architecturescore
- CDK / Infrastructure-as-Codedaily
- Dockerdaily
- CI/CD pipelinesdaily
// lead
- System design leadershipdaily
- Technical strategydaily
- Mentoring & coachingongoing
- Cross-functional alignmentongoing
- Security & reliability reviewsongoing
$ also_speaks:
DynamoDB
OIDC / OAuth2
observability
$ ping mohamed