ANDREAS JOHANNES HAAS

Software Architect & Consultant

Summary

IT Project Manager with over a decade of experience in IT infrastructure, SAP administration, custom software development, and digital project leadership. Adept in managing large-scale digital transformation projects with a focus on leveraging AI to turn ideas into impactful solutions.

Experience

Jan 2025 – Now

Software Architect & Consultant

Self-Employed · Schechingen

  • Designing and developing tailor-made applications to solve specific business bottlenecks
  • Refactoring and modernizing existing software systems to reduce technical debt
  • Identifying manual workflows and implementing automated software solutions
  • Bridging business goals and technical execution as a fractional CTO for SMEs
  • Connecting disparate software ecosystems through clean APIs and integrations
Oct 2021 – Dec 2024

IT Project Manager

Stadtwerke Aalen GmbH · Aalen

  • Led planning and execution of cross-functional IT projects
  • Controlled budgets, timelines, and team resources
  • Developed Microsoft SharePoint intranet applications using APIs
  • Built mobile apps for customer card authorization (Flutter, Dart)
  • Customized SAP modules (IS-U) and managed market partner communications
Jul 2014 – Sep 2021

IT Specialist / SAP & Systems Admin

Stadtwerke Aalen GmbH · Aalen

  • Administered SAP systems (users, permissions, transaction adaptation)
  • Managed Active Directory, Exchange servers, VMWare, and SharePoint
  • Maintained backup infrastructure (NetApp Nearstore, Tape Library)
  • Ensured availability of over 150 SAP workstations
Sep 2011 – Jun 2014

IT Apprentice (IT-Kaufmann)

Stadtwerke Aalen GmbH · Aalen

  • Gained deep knowledge in business IT operations and systems integration

Skills

Languages

PythonTypeScriptJavaScriptGoRustJavaKotlinDartSQLBash/ShellHTML/CSS

Frameworks & Runtimes

SvelteKitReactNext.jsAstroNode.jsFastAPIExpressFlutterTailwindVitePayload CMS

AI / ML

OpenAI APIAnthropic Claude APIEmbeddings & Prompt EngineeringHugging FaceOllamaMCP (Model Context Protocol)AI-Augmented Development (Cursor, Claude Code, Copilot)

Cloud & Infrastructure

KubernetesDockerGitHubNginxLinux / systemdVercel

Databases

PostgreSQLRedisMongoDBSupabaseFirebaseSQLite

Architecture & Practices

REST / GraphQL / WebSocketsMicroservices & Event-Driven ArchitectureDomain-Driven DesignTest-Driven DevelopmentAgile / ScrumOAuth2 / JWT / Auth Flows

Enterprise IT

SAP (IS-U)SharePointActive DirectoryVMWareOracleSQL ServerNetApp

Soft Skills

Stakeholder ManagementTechnical CommunicationMentoringRequirements EngineeringCross-Functional CollaborationFractional CTO Leadership

Education & Certifications

Projektmanager (TÜV), certified by TÜV Nord (exam)

2024

IT Business Manager / Project Leader, further education at manQ

May 2015 – Oct 2016

Informatikkaufmann (IT Management Assistant)

2011 – 2014

Realschule Schechingen

2005 – 2011

Leadership & Committees

Betriebsrat Member (Works Council)

2018 – 2024, Active and substitute member; served as secretary since 2023.

Youth and Trainee Representative Chair

2012 – 2016, Advocated for apprentices' rights and training conditions.

Languages

German

Native

English

Professional working proficiency

Interested in working together?