Andreas M.
Senior Software Engineer
Experience
Nov 2024 - Jun 2025
8 monthsSenior Software Engineer
EBL Consulting SIA
- The project involved operating a NixOS-based on-premises infrastructure, including domain migrations and SSL certificate management, email management, and CI/CD using a self-hosted instance of Gitea.
- The HashiCorp (Consul, Vault, Nomad) stack was used for orchestration and secret management.
- The actual web application was developed using TypeScript, React, and Docker, and Stripe was integrated as a payment provider. The ORY stack (Kratos, Keto, Oathkeeper) was used for authentication and authorization.
- The API was implemented in Go with Gin, including Swagger documentation and custom mailing functionality.
- PostgreSQL v16 was used for data storage.
Sep 2023 - Nov 2023
3 monthsSenior Software Engineer
NEEC Audio Barcelona
- Design and implementation of the software and cloud architecture for integrating an audio amplifier into a cloud infrastructure using Go and the Gin framework as well as WebSockets.
- A CI/CD setup using Gitea was deployed on AWS.
- ORY Kratos and Keto were configured for user and access management. The business logic was implemented in a Go-based API using the Gin framework and documented with Swagger.
- A separate CLI tool was developed for device configuration and connection to the broker component.
- Communication between the frontend and amplifiers was handled by a custom Go-based broker using WebSockets.
- AWS DocumentDB was used for data storage.
- Load testing was successfully conducted using a simulator program capable of emulating data streams from thousands of devices.
- A user manual was provided at the end.
Apr 2023 - Jun 2025
2 years 3 monthsSenior Software Engineer
Freunde von GISAID e.V.
- As part of a technical modernization initiative, a wide range of IT services were provided to the customer. These included both the development of new systems and the migration of existing ones.
- Designed and developed a new user management system using Next.js and TypeScript for efficient handling of users, roles, and groups.
- Built a pathogen-agnostic web application for analyzing and visualizing biological data.
Oct 2021 - Jan 2023
1 year 4 monthsKarlsruhe, Germany
Senior Software Engineer
Rommelag iLabs GmbH
- Developer for the Rommelag Pharma Platform (RPP), a modular software solution for monitoring, controlling, and documenting BFS systems and pharmaceutical production processes.
- Responsible for the app development for the RPP and later the integration of the RPP at the customer site.
- Fundamentally revised the Machine Modeler app for modeling, mapping, and displaying machine data via OPC UA.
- Designed and implemented an OPC UA data simulator.
- Introduced a unified RPP development environment to facilitate the app development process for all team members.
- Improved the software development process through the introduction of developer tools such as black, pylint, and pre-commit.
- As Scrum Master, maintained relevant meetings and rituals (e.g., daily meetings, retrospectives, and sprint and season planning).
Feb 2021 - Mar 2023
2 years 2 monthsSenior Software Engineer
Freunde von GISAID e.V.
- Modernization, migration, and automation with Python and AWS in the bioinformatics field for GISAID.
- Responsible for data management and ETL pipeline optimization.
- Created analyses and reports based on existing pathogen data.
- Migration of the largest SARS-CoV-2 sequence database to PostgreSQL/AWS RDS with minimal downtime.
- Implemented the SARS-CoV-2 metadata search based on OpenSearch/AWS, including indexing infrastructure.
- Introduced and set up Drone CI and Gitea for continuous integration and version control.
Oct 2014 - Sep 2019
5 yearsKarlsruhe, Germany
Senior Software Engineer
Solute GmbH
- Backend development in the e-commerce sector at one of Germany’s largest price comparison portals with a focus on Python, PostgreSQL, Elasticsearch, Redis and various Python web frameworks.
- Improved and maintained database systems (SQL and NoSQL) with a focus on processing large amounts of data.
- Created and integrated web APIs into existing environments.
- Ensured operational reliability through on-call service and subsequent error analysis in the event of system failures.
- Designed and developed new software solutions and architectures in coordination with the team and product management.
- Performed team leadership tasks, e.g., conducting interviews and permanent representation on internal technical committees.
Oct 2011 - Sep 2014
3 yearsKarlsruhe, Germany
Software Engineer
Comsoft GmbH
- Developed desktop software under Debian Linux using Qt, C++, and Python for the air traffic control industry.
- Developed a 2D radar display using Qt and OpenGL v3.3.
- Developed an automated documentation system using Python, replacing the proprietary legacy documentation system.
- Further developed RAPS-3, a software suite for recording, analyzing, replaying, and simulating flight data in Eurocontrol Asterix format.
Mar 2010 - Sep 2011
1 year 7 monthsWillstätt, Germany
Software Engineer
BCT Technology AG
- Developed desktop software under Windows with Qt, C++, Make and Cygwin in the mechanical engineering and CAD environment.
- Main developer for BCT EasyPlot and ME10Manager.
- Implemented new features and fixed existing bugs in the software.
- Created test specifications, conducted testing and managed releases for the mentioned products.
- Provided third level support to customers.
Summary
Passionate and detail-oriented senior software engineer with over ten years of experience in full-stack development, cloud infrastructure, and systems architecture.
My expertise spans various areas, including backend services, frontend frameworks, DevOps practices, and data systems.
I currently focus on developing robust, secure, and maintainable software systems with an emphasis on clean code, CI/CD pipelines, and user-centered design.
Languages
German
NativeEnglish
AdvancedRussian
IntermediateCatalan
ElementarySpanish
ElementaryEducation
Sep 2006 - Mar 2010
University of Applied Sciences Offenburg
BSc Computer Science · Computer Science · Offenburg, Germany
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