I help product teams create low-maintenance Python software in the Cloud Maintenance activities such as functional extensions, customizations, or error corrections make up the majority of the costs of a software. I make sure that these maintenance costs are kept low in the long run to avoid expensive software rewrites.
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Are you operating a software system that fails to meet the existing availability or performance requirements? KPIs are looking bad, the system is getting slower by the day, and the IT support is flooded with tickets.
Are you developing a software solution that just doesn't take off? Development progress is unexpectedly slow, even though the teams are working hard to meet deadlines.
Do you want to develop a new, low-maintenance solution to ensure none of the above will happen?
If you answered “yes” at least once while reading the above, chances are high that I can support you.
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Please see the following overview and find out how I helped my clients in previous projects:
Scaling an application for processing video data Python Kubernetes Celery Kafka S3 Prometheus PostgreSQL OAuth2 PlantUML Key contributions: Identify and implement necessary architectural changes in collaboration with the Solution Architect 10⨯ increase in overall system throughput, making it available to more customers 50⨯ performance increase and stabilization of a business-critical ETL process Ensure system availability and operation in day-to-day business
Certification AWS Solutions Architect Associate AWS S3 Route 53 ELB EC2 EBS IAM Aurora
Software service for processing media files Python Kafka Faust Docker S3 Prometheus Terraform Ansible GitOps Infrastructure as Code PlantUML Key contributions: Implementation of Event Sourcing using Kafka as the exclusive data storage Design and implementation of a Serverless Framework to execute predefined workflows, similar to Apache Airflow, OpenFaaS or AWS Lambda Automated provisioning and configuration of infrastructure for test and production environments Automated software releases (Continuous Deployment) based on version control tags Ensure system availability and operation in day-to-day business
Automated identity verification based on passports and ID cards Java Spring Boot MongoDB Vue.js CloudFoundry Key contributions: CloudFoundry Buildpack to reuse existing company IP for optical character recognition Web page visualizing intermediate results of the business processes for sales demos and stakeholder management Reduction of technical project risks through prototypes and feasibility studies
Unified communication channels to the customer for use in CRM Java ActiveMQ Key contributions:
Highly available serial number generation for integrated circuits manufacturing Java Spring ActiveMQ SOAP Oracle 11g Quartz SoapUI Jenkins Docker Enterprise Architect Key contributions: Performance evaluation with JMeter Optimization of database access using PL/SQL Stored Procedures Automation of system tests Technical team lead
Delivery of debit card PINs via SMS Java Spring Boot SOAP ActiveMQ Oracle 11g Quartz AngularJS Jenkins PCI-DSS Enterprise Architect Key contributions: Processing of personally identifiable information in compliance with the Payment Card Industry Data Security Standard (PCI-DSS) Database migration from MySQL to Oracle to simplify systems landscape Automation of system tests Introduction of Continuous Integration for a Frontend (AngularJs, Jenkins)
