Discrete trading, algotrading, risk management, charting, pattern recognition, market psychology, personal psychology. Automated trading, collecting trade data from exchanges, resampling, realtime processing. Chasing rabbits. Quite a journey.

Disciplines e.g

• Python / Pandas
• Data storage
• Big data storage / Presto / Avro
• Java / Scala / Nodejs / React / GraphQL / timescaledb
• Stream / Reactive programming with Akka
• Kubernetes / Rancher
• A.I. / Machine learning

Conversation24 creates multi-channel messaging software. It was the responsiblity of me and my team to support developers working on the product, deploying, testing etc. Once deployed, keep everything running within golden signal specification.

Infrastructure as code. Automated build of microservices ran as container images (docker) in Kubernetes at AWS or VMware. Some technologies used: Terraform, Packer, security compliance with openpolicyagent, checks using tfsec. The developers mostly wrote code using node / php using mongodb and message queues etc. GitOps Automated security compliance checks

Disciplines e.g

• Management DTAP street
• Proactive prevention and resolution of incidents
• Keeping software and libraries up to date
• Leading team as project manager and being responsible for continuation of service

More progress

Disciplines e.g

• See above

Development and maintenance of web applications and infrastructure involving a high traffic web-shop // Leading development of a single page app webshop to scale rather than the old technology, setting up cloud computing

Disciplines e.g

• Agile software development / Kanban / Continuous deployment
• DC/OS / Terraform / Chef
• ICT and crypto related work
• Nodejs / React / GraphQL

Doing a variety of things

With just three colleagues I was honoured to be at the beginning days of Catawiki

Disciplines e.g

• Agile software development
• Ruby on Rails, test driven
• MySQL / Redis / Apache Solr
• Automated the server deployement using Chef

As a long time Linux user, I had been developing websites in PHP and TYPO3 for a while but Ruby on Rails was the framework that really started resonating with me, sparking a carreer programming. Is this website still up? I am afraid so

Disciplines e.g

• Linux systems engineering
• Ruby on Rails
• TYPO3
• Linux / MySQL / Apache / Nginx / etc
• User support