Mirco Marahrens - Building Resilient Solutions for Real-Time and Data-Driven Decision-Making

Q: Where is Mirco based?

Mirco is based in Hamburg, Germany and prefers 100% remote projects.

Q: What languages does Mirco speak?

Mirco speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Mirco have?

Mirco has at least 11 years of experience. During this time, Mirco has worked in at least 5 different roles and for 5 different companies . The average length of individual experience is 2 years and 2 months . Note that Mirco may not have shared all experience and actually has more experience.

Q: What is Mirco's latest experience?

Mirco's most recent position is Senior Software Engineer at Vattenfall .

Q: What companies has Mirco worked for in recent years?

In recent years, Mirco has worked for Vattenfall , NORD/LB , IBM/Kyndryl , and IBM .

Q: Which industries is Mirco most experienced in?

Mirco is most experienced in industries like Information Technology , Education , and Manufacturing . Mirco also has some experience in Healthcare , Banking and Finance , and Energy .

Q: Which business areas is Mirco most experienced in?

Mirco is most experienced in business areas like Information Technology , Product Development , and Operations . Mirco also has some experience in Research and Development , Project Management , and Business Intelligence .

Q: Which industries has Mirco worked in recently?

Mirco has recently worked in industries like Information Technology , Manufacturing , and Healthcare .

Q: Which business areas has Mirco worked in recently?

Mirco has recently worked in business areas like Information Technology , Product Development , and Operations .

Recommended expert

Hamburg, Germany

Check rate

Experience

Jan 2026 - Present

7 months

Hamburg, Germany

Senior Software Engineer

Vattenfall

Lead of the platform engineering team for the development of a platform for energy trading, focusing on high availability, low latency, and scalability of libraries and services
Supporting quants and market access solutions for energy trading, including market access integration and deployment of algorithmic trading strategies

Aug 2024 - Dec 2025

1 year 5 months

Hanover, Germany

Senior DevOps Engineer

NORD/LB

Administered and optimized a data platform for financial analytics and reporting
Enhanced banking processes by developing and integrating AI solutions across business workflows
Streamlined the development and deployment of data products using GitHub, Kubernetes, and Python

Oct 2021 - Jul 2024

2 years 10 months

Hamburg, Germany

Senior Lead Site Reliability Engineer

IBM/Kyndryl

Led implementation of an alerting system using Instana in a distributed on-premise environment, improving incident management and system performance
Led a cloud-agnostic migration initiative using Texture for a manufacturing company, enabling a flexible cloud strategy and improved infrastructure transparency

Jan 2019 - Oct 2021

2 years 10 months

Hamburg, Germany

Application Architect

IBM

Designed and implemented cloud-native architectures and applications on Azure and IBM Cloud
Backend Developer for an electronic patient record system (ePA) using C++ and Python
Developed a microservice-based platform for the anonymous verification of medical test status

Jul 2015 - Oct 2018

3 years 4 months

Germany

Research Assistant

University of Stuttgart

Developed tensor network algorithms for quantum many-body simulations in and out of equilibrium
Participated in conferences, schools, and workshops, and organized seminars and a journal club
Built efficient C++ libraries with Python bindings using Pybind11, CMake, Scikit-Build, and vcpkg

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Education, Manufacturing, Healthcare, Banking and Finance, and Energy.

Information Technology

Education

Manufacturing

Healthcare

Banking and Finance

Energy

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Operations, Research and Development, Project Management, and Business Intelligence.

Information Technology

Product Development

Operations

Research and Development

Project Management

Business Intelligence

Summary

Versatile, value-driven technology professional with expertise in Software, DevOps & Platform Engineering, especially in Data Platforms and Machine Learning. Skilled in designing and operating robust infrastructure and developing and running data-intensive applications, with a strong focus on scalability, reliability, and performance. Passionate about building and optimizing systems that enable time-critical business processes and data-driven decision-making.

Skills

Hyperscalers: Microsoft Azure, Google Cloud Platform, Ibm Cloud
Programming & Devops: Ansible, Argo Cd, Artifactory, Cmake, Conan, Dev Containers, Docker, Fastapi, Git, Github, Grpc, Gsoap, Helm, Instana, Jenkins, Kubernetes, Make, Mariadb, Nexus, Openshift, Opentelemetry, Podman, Poetry, Prometheus, Quarkus, Sonarqube, Spring, Terraform, Uv, Vcpkg
Data & Ai: Databricks, Hadoop, Jupyter, Kafka, Mcp, Mongodb, Nosql, Oracle Database, Postgresql, Pytorch, Ray, Redis, Spark, Tensorflow

Languages

German

Native

English

Advanced

Education

Feb 2013 - Dec 2014

University of Göttingen

M.Sc. · Physics · Germany

Oct 2008 - Feb 2013

University of Göttingen

B.Sc. · Physics · Germany

Certifications & licenses

Azure Data Engineer Associate

Azure Solutions Architect Expert

MIT Data Leadership

Statistics

Experience

Total positions 5

Experience in Information Technology 7 y

Avg length 2 y 1 m

Longest experience 3 y 3 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Senior Software Engineer, Senior DevOps Engineer, Senior Lead Site Reliability Engineer

Main industries Information Technology, Education, Manufacturing

Main business areas Information Technology, Product Development, Operations

Qualifications

Highest degree Master

Certifications earned 3

Profile

Created

July 2026

Last Update

July 2026

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Frequently asked questions

Have questions? Find more information here.

Where is Mirco based?

Mirco is based in Hamburg, Germany and prefers 100% remote projects.

What languages does Mirco speak?

Mirco speaks the following languages: German (Native), English (Advanced).

How many years of experience does Mirco have?

Mirco has at least 11 years of experience. During this time, Mirco has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 2 years and 2 months. Note that Mirco may not have shared all experience and actually has more experience.

What roles would Mirco be best suited for?

Based on recent experience, Mirco would be well-suited for roles such as: Senior Software Engineer, Senior DevOps Engineer, Senior Lead Site Reliability Engineer.

What is Mirco's latest experience?

Mirco's most recent position is Senior Software Engineer at Vattenfall.

What companies has Mirco worked for in recent years?

In recent years, Mirco has worked for Vattenfall, NORD/LB, IBM/Kyndryl, and IBM.

Which industries is Mirco most experienced in?

Mirco is most experienced in industries like Information Technology, Education, and Manufacturing. Mirco also has some experience in Healthcare, Banking and Finance, and Energy.

Which business areas is Mirco most experienced in?

Mirco is most experienced in business areas like Information Technology, Product Development, and Operations. Mirco also has some experience in Research and Development, Project Management, and Business Intelligence.

Which industries has Mirco worked in recently?

Mirco has recently worked in industries like Information Technology, Manufacturing, and Healthcare.

Which business areas has Mirco worked in recently?

Mirco has recently worked in business areas like Information Technology, Product Development, and Operations.

What is Mirco's education?

Mirco holds a Master in Physics from University of Göttingen and a Bachelor in Physics from University of Göttingen.

Does Mirco have any certificates?

Mirco has 3 certificates. These include: Azure Data Engineer Associate, Azure Solutions Architect Expert, and MIT Data Leadership.

What is the availability of Mirco?

Mirco is immediately available part-time for suitable projects.

What is the rate of Mirco?

Mirco's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.