Software Engineer / Architect, DevOps Engineer

12/2023 – 10/2024

- Use custom IP for each integrated exchange. Customizable trading times (sleeping time) and max amounts per asset. For personal use.
- Tech: GCP (Cloud Run, VPC, NAT, Router, GCR, gcloud), GitLab, node.js, several APIs from exchanges, TradingView, Webhooks

Node.Js, Typescript, Google Cloud, JavaScript

9/2022 – 7/2023

- Smarte Schulverwaltung Niedersachsen: Ramping up a 10 years governmental project as part of the architecture team.
- Created the auth system using Keycloak. Created a vue.js component using OIDC. Prototypical integration of third-party user sources using SAML or OIDC brokering. Integrated backend by coding a Keycloak extension.
- Created a self-healing distributed logging system using OpenSearch and FluentBit, that works both with docker-compose and Kubernetes. Created logging lib for each project language. Architectural documentation.
- Set up, documented and managed inhouse Kubernetes clusters using K3s
- Created CD pipelines for all system components using Helm and Jenkins

Techs:
Java, OSGI, JavaScript, Vue.js, PostgreSQL, Jenkins, Helm, Kubernetes, K3s, OpenSearch, ELK, FluentBit, FluentD, Keycloak, OIDC, OIDC brokering, LDAP

Elasticsearch, JavaScript, Jenkins, Kubernetes, Postgresql, Vue.Js

1/2019 – 4/2022

* Architecture, development, launch, CD-pipelines and operation of a
medical messengers based on AWS and JavaScript
* Transforming a project, embedded in another company's infrastructure
(coliquio GmbH), into a dedicated company with independent tech stack
* Integrated 3rd party products: Hubpot, MailJet, Sendinblue, Vonage,
Stripes, Matomo, Zapier
* Supporting a certification process and migrating from AWS to OVH cloud
* Techs: AWS, OVH, DynamoDB, S3, SNS, EKS, Route53, EC2, Serverless, Lambda, Kibana, Grafana, Node.js, Express, Jest, TypeScript, npm, REST, WebSockets, Swagger, Plotly, Docker, Kubernetes, Calico, Helm, Terraform, Prometheus, Grafana, GitLab, Postman, OIDC, Keycloak, Tyk, RabbitMQ, AMQP, Microservices, MongoDB, React, PWA, Jira, Confluence

Mongodb, Confluence, Docker, Git, Jira, Amazon Web Services (AWS), JavaScript, Kubernetes, Node.Js, Typescript