Next availability 2024-04-01 (up to 50%) - in urgent cases please contact me via email or phone

About

Over 20 years of experience in software development and architecture
Broad knowledge of legacy and modern technologies and programming languages
Languages: German (mother tongue) - English (fluently) - French (basic) - Italian (basic)
Born in 1982 in Halle (Saale), Germany
Married, 4 children

Tech-Stack

Operations & Devops: AWS, Azure, Google Cloud, Kubernetes, Docker, Terraform, Ansible, Jenkins, Gitlab & Github CI/CD
Programming languages: Elixir, Python, Java, JavaScript/TypeScript, PHP, Go, C++, C
Frameworks: Phoenix, Django, Spring, Angular, React, Vue, Laravel, Symfony, Express
Databases & Persistence: PostgreSQL, MySQL, MSSQL, DB2, MongoDB, Redis, Surreal, Elasticsearch
Methodologies: Agile, Scrum, Kanban, XP, TDD, BDD, DDD, Clean Code, Clean Architecture
Architecturial Patterns & Methodologies: Monolith, Microservices, Event Sourcing, CQRS, Hexagonal Architecture, arc42, 12 Factor App
Toolchains: Jira, Confluence,

For a more detailed CV please get in touch with me

2021 - 2023

Engineered a public online purchase portal

State of the art technologies and methodologies

MVP in 3 months, first release in 5 months

2022 - 2023

Responsible for transition source control from ClearCase to Git

Introduced complex CI/CD pipelines to reassure quality and stability

16 projects with up to 20 year old code

2020 - 2021

Engineered an online portal for Security & Vulnerability Management

Responsible for requirements engineering, architecture, development and CI/CD

2016 - 2019

Complete redesign of a legacy system

High performance, high availability and high computational complexity

24/7 operation, 99.8% availability

Responsible for more than 1 billion calculations per 24 - 48 hours

Pragmatic approach to avoid overengineering and high complexity

2014 - 2016

Took over respnsibility for legacy software

Introduced modern technologies and methodologies

Introduced coding standards and best practices, deployed CI/CD pipelines

Reverse engineering to create a documentation, requirements and acceptance criteria for the successor

2011 - 2014

Responsible for the plattform software in a base station

Hardware - Platform - Control Layer interface

Christoph Galler
Im Krautgarten 4/2
88471 Laupheim
Germany

Phone: +49 172 895 695 7
Email: [email protected]

VAT-ID: DE 234682250