Headshot of Marco Klein

Marco Klein

Senior Engineer & Technical Lead
Solution Design • Enablement • Mentoring 38 years • Nuremberg, DE German (Native) • English (C1)
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Senior Software Engineer and technical lead with nearly 20 years of experience delivering complex, client-facing projects with a consistently high quality record in fast-paced environments, from consultative design through stakeholder management to hands-on implementation. Leading teams of 3 to 20 and coordinating offshore developers across multiple countries in classic and agile setups. Designing reusable solutions and organization-wide standards, rolled out through bilingual training and documentation, alongside mentoring team members and apprentices with several moving into permanent roles. Technical focus on web, Python, and integration solutions, complemented by continuous learning in self-driven, AI-powered projects. Seeking a role where client delivery, technical leadership, and solution design meet, in a quality-driven organization where technical experience shapes decisions and active employee development is part of the culture.

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Highlights

  • Delivered 1,000+ time-critical projects across ~20 years with only 2 data-impacting errors, by sustaining precision even under high concurrent workload
  • Sustained offshore delivery across 3 countries and 15+ rotating developers over 11 years through collaborative quality governance, standard processes, and agile coordination
  • Engineered a unified project scaffold (layout, quality monitoring, framework) underpinning ~500 projects/year and cutting implementation time, runtime management, and data processing by ~10%
  • Enabled 130+ users via 20+ bilingual training sessions and documentation, and mentored 4 apprentices (3 to permanent roles), growing both internal talent and organization-wide standards adoption
  • Governed Confirmit on-premise and maintained stability for 11 years through 5x user growth (~30 to 150), covering platform administration, hands-on support, standards, and escalations
  • Led developer coordination and documentation, and co-led analysis and design for strategic CRM/ERP consolidation integration, unlocking multi-million-dollar cost savings

Experience

GfK GmbH / NIQ • Enterprise Applications • Nuremberg, DE

MuleSoft Software Engineer

since 07/2023

Technical responsibility and enablement through the MuleSoft Center for Enablement (C4E) in a post-merger environment, promoting its mission, services, and integration opportunities, coordinating development, and contributing to integration architecture and API design

  • Owning team responsibility since 08/2025 as primary contact for integration architecture, platform, and projects
  • Guided 5-8 offshore developers in India as Scrum Master and Product Owner, aligning backlog, delivery flow, and coordination
  • Led developer coordination and documentation, and co-led analysis and design for strategic CRM/ERP consolidation integration
GfK SE • Ad Hoc Operations • Nuremberg, DE

Senior IT Specialist &
Technical Lead

01/2018 - 05/2023

Led the scripting and coordination team (3-11 members) as functional team lead and department deputy, owning capacity planning, hiring, apprenticeship coaching, coordination with ~15 rotating offshore developers, and final escalation point for the most complex implementations

  • Steered the ~20-person department as interim head for six months and maintained delivery and team cohesion after 70% team reduction
  • Designed and delivered a semi-automated global NPS measurement system as technical lead, with configurable Qualtrics surveys, automated data flows via APIs, and Python consolidation pipeline
  • Resolved production-critical incidents under time pressure, protecting data integrity and client deliverables

IT Specialist

01/2015 - 12/2017

Owned end-to-end service delivery for mid-to-high complexity projects, including costing, effort estimation, offshore coordination, and Confirmit administration and support, and took on apprentice supervision

  • Ported a real-time quality monitoring module to Unicom Dimensions, supporting adoption through documentation and ~5 bilingual training sessions
  • Represented DACH operations in global technical initiatives including platform evaluations, standardization decisions, and data processing automation design
  • Conducted on-site root cause analysis in Bulgaria and Romania after significant quality drops, documenting findings that initiated organizational process changes

Junior IT Specialist

07/2011 - 12/2014

Advanced into mid-to-high complexity project execution and consulting, continued Confirmit administration and support, and established coordination with offshore developers

  • Created the organization's first responsive layout, eliminating mobile workarounds, enhanced a real-time quality monitoring module with improved detection algorithms, and architected a component-based scripting framework
  • Architected a unified project scaffold from all three and drove adoption as global standard across Europe and India through ~15 bilingual training sessions, documentation, and hands-on enablement

Senior IT Assistant

04/2010 - 06/2011

Return to ad hoc project environment and took on increasingly complex projects, expanded into design and feasibility consultation, and continued Confirmit administration and support

  • Built reusable interactive components (ranking, sliders, media players) as configurable modules for team adoption, and maintained a shared function library
GfK AG • Group IT • Nuremberg, DE

Senior IT Assistant

07/2009 - 03/ 2010

Delivered on-site first-level support at IT Service Desk for ~1200 employees across hardware, software, phone systems, and printer fleet, including vendor coordination, and maintained an inventory management web app, improving usability and data integrity

Education

GfK AG • Ad Hoc Operations • Nuremberg, DE

Computer Science Expert
(Software Development)

09/2006 - 07/2009

Dual vocational training in fast-paced (ad hoc) project delivery environment, including scripting of online surveys, Confirmit administration and support, cross-platform function migration, and independent management of 10–12 concurrent projects during senior staff absence

Certifications

Salesforce Certified MuleSoft Developer

Salesforce 11/2023

Professional Scrum Product Owner I
(PSPO I)

Scrum.org 09/2021

Trainings

MuleSoft Integration Solutions Architect

Salesforce 11/2024

MuleSoft Platform Architect

Salesforce 10/2024

Self Study

  • Continuous learning in emerging methods and patterns focused on solution design, spanning automation, data pipelines, cloud infrastructure, applied AI, and prompt engineering, with next expansion into containerization and modern frontend frameworks
  • Deepening understanding through hands-on experimentation in Python-based personal projects, including a RAG-based game master assistant, an audio-to-structured-notes generator with speaker recognition, and a health-constrained nutrition planner

Skills

Technical Skills

  • Python
  • JavaScript / JSON
  • HTML / XML
  • CSS
  • OpenAPI / RAML
  • Git
  • Jira
  • Confluence
  • DataWeave

Methodologies & Practices

  • Technical Enablement
  • Business-to-Technical Translation
  • Solution Design
  • Requirements Analysis
  • Agile / Scrum
  • Process Mapping
  • Stakeholder Management
  • Mentoring

Interests

Pen & Paper RPG

Structured rules meet improvisation, where plans spectacularly fail and memorable moments come from adapting together to the resulting chaos

Dancing

Ballroom and rockabilly dancing, leading with clarity, adjusting mid-step to shifting beats, and staying present in the rhythm

Reading

Philosophy and world literature, including Orwell, Voltaire, Goethe, and Sartre, drawn to understand how people think, decisions get made, and how systems hold together or break

Make Music

Piano and self-taught guitar, playing primarily by ear and using both for improvisation and expression beyond relying on fixed notation