Skills
Backend: Node.js, Express, pm2, SAP CAP
Frontend: JavaScript, HTML, CSS, React, SPA, Electron, D3.js
Containers: Docker, Kubernetes
Cloud: AWS (EC2, S3, SES), OpenStack, SAP BTP Cloud, DigitalOcean, Open Telekom Cloud, OVH, MCS, Heat, cloud-init
DB: MongoDB, CouchDB, MySQL, SQL Server
Protocols: HTTP, HTTPS, SOAP, WebRTC, WebSockets, TURN/STUN
Formats:OpenAPI, Swagger, JSON, YAML, XML, SVG, E-Mail, 360 VR
Web servers: nginx, Apache
Open-Source applications: BigBlueButton, Kurento, OpenVidu, Moodle
Payment services: PayPal, Stripe
API: Rest API, SOAP/WSDL
Workflow: BPEL, BPMN
Unix: SSH, shell scripting, cron, systemd
Web admin: Proxying, Caching, SEO, Google Ads, Privacy, SSL, Letsencrypt, DNS
Code control: Git, SVN, Github, Bitbucket,
Project management: Redmine, Jira, Trac, Mantis
Build tools: NPM, Ant, Grunt, Maven
CI/CD: Concourse, Jenkins, Hudson,
Tools: DataDog, Kong, WebStorm, VSCode, Visual Studio, Eclipse, WinSCP, Putty, MS Office, Inkscape, Gimp, Corel, AutoCAD
Other: Java, Swing UI, Android, WinForms, Lua, C#, ASP.NET, Delphi, PHP, OpenUI, SAPUI, RabbitMQ
Software Engineering: Requirements Analysis, System Design & Architecture, Specification, UI Prototyping, Development, Quality Assurance, Testing, Integration, Deployment, Maintenance, Reverse-Engineering, Agile practices, Scrum