Stefan Junk Hybrid & Multi-Cloud Transformation Leader
Technology Architect and Strategic Advisor
I am a technology enthusiast combining management expertise and hands-on experience as cloud architect and digital product designer.
GenAICoding AgentsHybrid/Multi-CloudStrategic Advisory
Projects
These are projects i am currently working on. Click on
Get In Touchto discuss my projects or new innovative ideas. I am happy to share my experience or learn about your project and how I can support you.
Traumreise
AI-designed, agent-built personalized bedtime story app
A touch-first, bilingual app that turns a child’s real day into a calming, narrated bedtime story—built as an experiment in AI-driven design and agentic development.
#AgenticAI#AICodingAgents#AIDrivenDesign#GenerativeAI#LLM#Serverless#GoogleCloud#FastAPI#Firebase#React
Portfolio
With the finger on the pulse of science and with experiences across several business domains, a holistic integration of business and technology is mandatory for me. For high customer satisfaction I enjoy most to work closely and in direct communication with the client. I am best in a fast-paced and yet creative work culture with personal touchpoints and a high degree of personal responsibility.
Focus AreasIndustriesTechnologies
#SolutionDesign
#Consulting
#ArtificialIntelligence
#CloudComputing
#FinancialServices
#Automotive
#Python
#GoogleCloud
#AWS
#Azure
#Docker
#Kubernetes
#ProjectManagement
#SpaceTechnology
#Terraform
#TensorFlow
#React/JS
#QuantumComputing
#EnergySupplier
#ClineCodingAgent
#n8nworkflowautomation
#ComfyUI
Skills & Expertise
I help organizations turn complex requirements into clear, deliverable architectures—bridging stakeholders, governance and engineering. My work spans solution design, hybrid/multi‑cloud foundations, platform engineering and applied AI/ML, from discovery and roadmaps to hands‑on implementation. I’ve delivered in regulated environments across financial services, space technology, automotive and energy, focused on scalable, secure platforms and pragmatic product outcomes.
Experience
A journey through technology leadership, innovation, and impactful solutions across diverse industries
Accenture
5 years,
5 months
5 months
Cloud Advisory Consultant
Berlin•Sep 2020 - Present
Hybrid and multi-cloud transformation delivery in financial services, combining program leadership with hands-on platform and cloud architecture in regulated environments.
Key Achievements:
- Program/team leadership across discovery, assessment, and migration waves; aligned roadmaps, governance, and delivery plans across engineering, security, and risk
- Portfolio assessment at scale (~700 applications) with migration readiness criteria, requirements engineering, risk management, and stakeholder alignment (non-confidential, no client names)
- Modernization and migration execution for container platforms: migrated ~70 applications to AWS EKS across 4 regions, including cutover planning and operational readiness
JuSt Innovation
4 months
Freelancer
Berlin•Apr 2020 - Aug 2020
Cloud engineering services focusing on hybrid infrastructure.
Key Achievements:
- Service preparation and API design for migration to Google Cloud Platform
- Network design as Infrastructure-as-Code for hybrid cloud setup and staging environments in Amazon Web Services
DNL Deep Neuron Lab GmbH
11 months
Co-Founder
Berlin•Apr 2019 - Mar 2020
Company foundation, technical lead and product design for DNL. DNL provides a Software-as-a-Service solution to extract financial data from annual reports using latest findings of natural language processing and other machine learning techniques.
Key Achievements:
- Business plan design and evaluation of the underlying assumptions, as well as refinement of the business model and the product
- Funding application resulting in 350k€ worth of public funding and a business angel
- Team formation, including recruitment of five persons: an additional co-founder, a data scientist, two developer and a marketing expert
Chair of Space Technology, Technical University Berlin
3 years,
5 months
5 months
Research Assistant
Berlin•Oct 2014 - Mar 2018
Design of the hardware and power management solution for the modular nano-satellite bus TUBiX20. The design started from scratch up to the launched and operational prototype TechnoSat, carrying a payload for earth observation to detect wildfire.
Key Achievements:
- Design-to-cost for reliability, focusing on fault-tolerance, radiation-tolerance, disaster recovery while maintaining launch mass and inertia relevant mass.
- Requirements analysis of orbit related power and temperature cycles, as well as power demand and components lifetime were conducted.
- Responsible for the component design, prototyping, flight model production, subsystem and system testing, as well as supplier management and quality assurance
Fraunhofer Institute for Reliability and Microintegration (IZM)
2 years,
7 months
7 months
Research Assistant
Berlin•Sep 2011 - Apr 2014
Consulting on onboard high voltage power systems for international automotive and railway companies regarding electromagnetic compatibility (EMC).
Key Achievements:
- Analysis and design optimization of high voltage (HV) power systems and components of electric cars, focusing on chargers, battery pack and HV cables.
- Analysis and design optimization of a drive Converter of a electric train, focusing on electromagnetic interferences (EMI) and misbehavior in HV components.
Siemens AG, Wilo SE, Novero GmbH, RWE Power AG
2 years,
11 months
11 months
Thesis & Working Student
•Sep 2008 - Aug 2011
Key Achievements:
- Master Thesis, Siemens, Krefeld: Development of a boost converter design for the onboard power supply of trams to reduce losses and cooling demand
- Working Student, Wilo SE, Dortmund: Product Engineering for electronically controlled heating water pumps
- Working Student, Novero, Bochum: Design of automated testing systems for automotive speaker phone system
Contact
Let's Connect
Ready to discuss your next project or explore collaboration opportunities? Let's start a conversation.