Kai S. - Project Management, Software Architecture and Development

Go to Website

Berlin, Germany

Experience

May 2025 - Jun 2025

2 months

Taufkirchen, Germany

Software Developer

Hensoldt AG

Development of a GUI application for capturing and calculating TOPSIS sensor combinations
Technologies: Python, VS Code, Unit Tests, Clean Code, GitHub Copilot

Mar 2023 - Nov 2023

9 months

Hamburg, Germany

Software Architect, Management Consultant and Team Coach

Plath Signal Products GmbH & Co KG

Development of a software architecture for a high-performance signal processing platform for broadband antennas
Advising the CTO
Coaching the leadership team

Jan 2022 - Present

3 years 8 months

Berlin, Germany

Software Architect and Developer

KSC GmbH

Development of a portfolio of intelligent and robust ML-based office tools for project acquisition, applications and communication
Technologies: Python, LangChain, Pandas, Open-source LLMs (local), Data Embedding, Vectorization, Web Scraping, LM Studio, AgentGPT, Agentic Framework, Image Recognition, Prompt Design, RAG Programming, PostgreSQL, Selenium, TensorFlow, Hugging Face, Clean Code, Tabnine, GitHub Copilot

Nov 2021 - Oct 2024

3 years

Hennigsdorf, Germany

Software Architect, Developer and Coach

Sinfonie GmbH & Co KG

Extension of an MS Access-based care management system to support KIM email communication according to new legal requirements with Gematik
Technologies: C#, .NET Core, Visual Studio 2022, JetBrains dotTrace, Resharper, Tabnine AI, Dependency Injection, IoC, XML, UML, Linq, Entity Framework 6, REST, SMTP, IMAP, POP3, Exchange Server, M365, MS Graph, MSSQL Server, Azure DevOps, TDD, CI/CD, NUnit, Trello, Clean Code, User-Centric Design, ALM, Log4Net, ADM, NLog

Mar 2021 - Aug 2022

1 year 6 months

Berlin, Germany

Tech Lead / Interim Data Product Owner

50Hertz Transmission GmbH

Leading the development of the BIM Digital Twin in the DC-Lines (Süd-Ost-Link) infrastructure project
Technology selection and creation of the backlog for a transversal integration layer
Coordination and consulting on business requirements and data architecture
Building and operating a central data product for infrastructure data
Participation in the change process to a data-centric matrix operations model
Migration of infrastructure projects to an enterprise-wide Data Platform
Technologies: BIM, Agile, Scrum, Kanban, SAFE, Jira, KPI, MS Teams, UML, TOGAF, ETL, Miro, Data Centricity, CIM, Data Discovery, MDM, GIS, Critical Infrastructure, Data Product, Asset Data, SQL, DaaS, Power BI, Git, ADM

Oct 2019 - Oct 2020

1 year 1 month

Potsdam, Germany

Software Architect and Developer

Brandenburgischer Landesbetrieb für Liegenschaften und Bauen

Implementing customer requirements for property management in coordination with customers, project management and BI architects
Connecting MS Project Server with SAP and developing a custom solution
Developing interfaces for communication between ERP and DMS solution
Technologies: M365, MS SharePoint, MS Project Server, MS Project, Exchange Server, EAI, Jira, TDD, MS Teams, C#, .NET, Visual Studio 2017/2019, Resharper, Entity Framework 6, MS SQL Server, MS Graph, Azure DevOps, SAP, CSOM, Log4Net, CI/CD, IoC, Private Cloud, Monitoring, Clean Code, Unit Tests

Mar 2019 - Dec 2020

1 year 10 months

Berlin, Germany

Process Analyst and Software Architect

Funk Gruppe

Designing a software architecture and developing a greenfield application for billing services and payment transactions with ERP-driven document generation and legally compliant archiving
Technologies: C#, .NET Core, Blazor, Visual Studio 2019, IoC, JetBrains dotTrace, Resharper, BPMN, UML, CI/CD, TDD, ARC42, Entity Framework 6, REST, MS SQL Server, WPF, MVC, MVVM, ASP.NET, SSIS, Bootstrap, Hangfire, Angular.ts, IE, MS Teams, Private Cloud, xUnit, Unit Tests, User Acceptance Tests, Dependency Injection, Clean Code, User-Centric Software Design, ALM, ADM, Fluent Assertions, Tabnine, Log4Net, SignalR

Mar 2019 - May 2019

3 months

Hennigsdorf, Germany

Software Architect, Developer and Coach

Sinfonie GmbH & Co KG

Extending an MS Access-based care management system according to Luxembourg legal requirements
Technologies: C#, .NET, Visual Studio 2017, JetBrains dotTrace, Resharper, XML, UML, Entity Framework 6, REST, MS SQL Server, TFS, MS Access, Azure Framework, Log4Net, CI/CD, IoC, Clean Code, Troubleshooting, Coaching Team, ALM

Sep 2018 - Dec 2018

4 months

Berlin, Germany

Software Architect and Developer

Francotyp Postalia GmbH

Developing a greenfield e-commerce portal application for integration with external logistics providers and social media
Technologies: C#, .NET, Visual Studio 2017, Resharper, XML, UML, Entity Framework 6, REST, Linq, SQL, ETL, MS SQL Server, Kubernetes, Azure DevOps, Agile Scrum, Kanban, GraphML, React, Teamcity, Codebeamer, Angular 6, E-Commerce Webshop, SignalR, Sentry, OAuth, Git, Azure Framework, IE, MS Edge, Firefox, Chrome, JetBrains dotTrace, Task Scheduler, GraphQL, SOAP, Docker, Clean Code, ALM, Troubleshooting, ADM, IaaS

Oct 2017 - May 2018

8 months

Schwerin, Germany

Project Manager, Software Architect and Troubleshooter

DVZ Mecklenburg Vorpommern GmbH

Reviewing a problematic existing project for managing court deposits and payment transactions
Migrating from Gupta to .NET
Creating a new software architecture and project plan
Restructuring and setting up team and development processes
Coaching the team and project management
Maintaining roadmaps and milestones, risk management, task coordination, milestone reporting, document and knowledge management
Technologies: Visual Studio 2015, Confluence, Jira, SharePoint, HP Quality Center, TFS, C# .NET 4.5, MVC 3, C++/CLI, MS SQL Server, jQuery, JavaScript, MVVM, Bootstrap, TypeScript, Gupta, Agile, ARC42, TOGAF, DevExpress, Scrum, Kanban, Log4Net, SignalR, CI/CD, IoC, IE, MS Edge, Firefox, Chrome, Clean Code, Private Cloud, Critical Infrastructure, ENTSO-E architecture framework

Mar 2016 - Mar 2017

1 year 1 month

Software Architect and Developer

Corning Optical Communications GmbH & Co. KG

Analysis, optimization and extension of an online platform and SAP production control
Deployment processes, programming, testing
Technologies: Visual Studio 2013, SCM, C# .NET 4.5, MVC 3, ASP.NET, web services, REST, JavaScript, TypeScript, Angular 2, jQuery, Bootstrap, Telerik Kendo, Kendo UI Framework, MS SQL, Oracle, SAP, UML, MsTest, SharePoint, CI/CD, Agile, XAML, dependency injection, IoC, cryptography, ReSharper

Feb 2014 - Feb 2016

2 years 1 month

Berlin, Germany

Project Manager, Software Architect and Troubleshooter

Kieback&Peter GmbH & Co. KG

Designing complex SaaS software architectures for the Qanteon GLT and Connect Router product development
Project and team leadership, managing suppliers, evaluating SCADA providers
Implementing Jira & Clean Code
Roadmap and milestone management, risk management, task coordination, document and knowledge management
Technologies: Visual Studio 2013 Ultimate, SCM, GLT, BACnet, PGA, VB.NET, C# .NET 4.5, MVC 3, ASP.NET, C++/CLI 4.5, IIS, OWIN, SignalR, WebSockets, web services, REST, MS SQL, MongoDB, Azure, AWS, NoSQL, MySQL, JavaScript, jQuery, Bootstrap, Vue.js, Node.js, Elasticsearch, Jira, Confluence, TypeScript, SharePoint, Kubernetes, EF, TFS, GIT, Nexus, MS Project, MsTest, ESB, SOA, OAuth, SCADA, GIS, Enterprise Architect, UML, BPML, VMware, ITIL, Scrum, Agile, TDD, E-Commerce, Log4Net, IoC, Skype, Private Cloud, QNX/Unix/Linux, Clean Code

Feb 2014 - Nov 2014

10 months

Berlin, Germany

Software Architect and Developer

KPMG AG

Designing software architectures and implementing software engineering processes
Test and quality management, programming
Developing a personnel planning software
Technologies: Visual Studio 2013 Ultimate, unit & integration testing, EF, TFS build definitions, e-commerce, web services, SharePoint, C# & VB.NET, MVC, MVVM, REST, WPF, WCF, MsTest, TDD, T-SQL, Azure, UML, BPML, Oracle, SAP, Scrum, Kanban, DevExpress, IIS Express, IoC

Aug 2013 - Nov 2013

4 months

Berlin, Germany

Software Architect and Developer

McFit GmbH

Creating custom solutions and connecting backend processes for an e-commerce portal
Building model catalogs, websites and REST web APIs for MS Dynamics CRM and MS SharePoint
Technologies: C# .NET, MVC 4, VB.NET, ADO.NET, Web API, web services, REST, JSON, SaaS, SOA, Ajax, MS Dynamics, SVN, PDF, TFS, UML, jQuery, AWS, cloud, Scrum, IIS

Jun 2012 - Jul 2013

1 year 2 months

Neckarsulm, Germany

Software Architect and Interim Development Lead

mike travel AG

Setting up a software development office in Berlin, selecting, hiring, coaching and training a 10-person development team
Designing a system architecture for an innovative processing of e-commerce travel services
Developing data harvesting/BI tools with machine learning and collaborating with partners
Roadmap and milestone maintenance, risk management, task coordination, knowledge management
Technologies: C#, MVC 4, C/C++, big data, ML, jQuery, Bootstrap, ECMAScript/JavaScript, ASP.NET, IIS, DI, Node.js, Python, Angus, MS SQL, Azure, AWS, RabbitMQ, Sonic MQ, MongoDB, PostgreSQL, Magento, XML, IoC, MS Project, UML, DWH, ETL, Scrum, Telerik UI, Elmah, Log4Net, Clean Code

Feb 2010 - Dec 2010

11 months

Belo Horizonte, Brazil

Founder and Builder

Digipen Ltda.

Founded and built Digipen Ltda.
Pitched for public and private funding
Created detailed plans for technology and organization

Dec 2000 - Dec 2009

9 years 1 month

Oyten, Germany

Founder, Head of Research and Development, Product Owner of digipen

bendit GmbH

Technical and disciplinary leadership of software development
Project management, software architecture, support of key accounts
Built a strategic partner and supplier network as well as product support
PR, marketing, and partner solution sales
Design, implementation, and marketing of the "digipen" product portfolio as the first digital pen-and-paper solution in Germany
Created the truck toll solution "Maut Connect" and managed projects for clients like Wiebe Gleisbau, Meyerwerft Papenburg, GFT Healthcare, Continental, Finum Finanzhaus
Technologies: SOA, Java, C++, C#, VB.NET, TCP/IP, sockets, Bluetooth, Anoto Technology, Oracle, EAI, form capture, handwriting recognition, ERP, DMS, JBoss, Apache Tomcat, MySQL, Sonic MQ, ESB & Orchestration Server, XML, XPath, Windows Forms, SPP, Nokia, RIM OS, Android, microservices, Jenkins

May 1998 - Apr 2002

4 years

Bremen, Germany

Research Associate in Production Informatics

Research Center for Work, Environment and Technology at the University of Bremen

Technical supervision of student staff
Carried out the EU IST projects BREVIE and DERIVE
Development and testing of mechatronic learning systems for vocational training of mechatronics technicians
Modeling virtual reality environments and programming optical position tracking and ultrasound object tracking
Integration into augmented reality and conferencing systems

Apr 1992 - Sep 1992

6 months

Japan

Lorem ipsum dolor sit amet

Stay Abroad

Educational trip as part of a cultural exchange

Jan 1986 - Jan 1987

1 year 1 month

Brisbane, Australia

Lorem ipsum dolor sit amet

Stay Abroad

AFS student exchange year

Summary

Conception and implementation of innovation and critical projects
Project management and team leadership Agile (Scrum, SAFE, TDD) & Waterfall
Digital transformation and organizational development
Fullstack software development in C#, .NET, Python and other languages
GUI & User Experience
Software architecture patterns (MVC, MVVM, BIM, SOA)
Data integration (Data-Centric, REST API, ETL) and data management (Data Product, Azure Devops), analysis and visualization