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
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.
Side Projects
Selected side projects to showcase hands-on work. Each project has a dedicated page with context, screenshots, and links.
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
Experience
A journey through technology leadership, innovation, and impactful solutions across diverse industries
Accenture
5 years,
4 months
4 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
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