Michael Geiß

Solution Architect & Full Stack Developer

Experienced Solution Architect and Lead Full Stack Developer with a strong focus on modern software quality, agile methodologies, and sustainable enterprise architectures. Proven track record in designing and implementing scalable solutions for the financial industry, including process optimization, modernization of legacy systems, and team enablement through best practices and standards.

Skills

Solution Architecture

  • Business Process Management
  • Domain Driven Design
  • CQRS
  • C4 Architecture Modelling
  • Micro-Frontends
  • Microservices
  • Moduliths
  • System Integration
  • API Management
  • REST
  • OpenAPI
  • Cloud Events
  • Cloud Computing
  • OAUTH 2.0

Backend Development

  • Java
  • Spring Boot
  • Node
  • Javascript
  • Typescript
  • Azure Cloud
  • AWS Cloud
  • AWS CDK
  • Github Actions
  • Docker
  • Kubernetes
  • Helm
  • ArgoCD
  • SQL
  • PostgreSQL
  • NoSQL
  • MongoDB
  • CosmosDB
  • CouchDB

Frontend Development

  • JavaScript
  • TypeScript
  • React
  • Angular
  • RxJS
  • Playwright
  • Jest
  • Mocha
  • Vitest
  • HTML
  • CSS
  • Styled Components
  • Web Components

Agile Coach

  • Scrum
  • Kanban
  • Test Driven Development
  • Pair Programming
  • Test Automation
  • OKR-Master
  • Holacracy Master

Languages

German

Native

English

Fluent

Work

Freelancer

Solution Architect & Full Stack Developer
– Present
Berlin, Germany

As an architect and lead developer in the banking sector, I modernized enterprise process landscapes by designing and optimizing business processes, transforming legacy monoliths into modular monoliths and microservices, and defining and implementing organization-wide development guidelines, libraries, and standards—enabling internal teams to adopt consistent, scalable, and future-proof practices.

  • Business Process Management, API Management, System Integration

  • Domain Driven Design, CQRS, Hexagonal Architecture

  • Java, Spring Boot

  • JavaScript, TypeScript, React

IT Architect & Full Stack Developer
–
Berlin, Germany

As a freelance architect and developer, I contributed to diverse projects including digital learning applications and startup initiatives. Led architectural design and implementation of AWS-based solutions for autonomous drone surveillance systems, focusing on IoT integration and quality management.

  • Development and design of web application in the digital learning space

  • Architecture, Project and Quality Management, AWS Development and IoT Integration for a startup in autonomous drone surveillance of business premises

Europace AG

Full-Stack Developer
–
Berlin, Germany

  • agile test-driven full-stack web application development with Spring (-Boot)/NodeJS and AngularJS/Angular

  • self-organization (sociocracy, holacracy)

  • OKR Master

  • AWS Development

Hypoport SE

Full-Stack Developer
–
Berlin, Germany

Agile test-driven Full Stack Web Application development with Spring(-Boot) and AngularJS

SOPAT GmbH

Student Tutor
–
Berlin, Germany

Consulting: Software Architecture and Development Processes

Berlin Institute of Technology

Student Tutor
–
Berlin, Germany

Taught courses in fundamentals of computer science, software modeling, and model-driven software development; supervised software engineering projects and internships using Scrum (on-site).

  • Fundamentals of Computer Science (Java)

  • Software Modeling & Model-Driven Software Development (UML, BPMN)

  • Supervision of software engineering projects and internships (Eclipse, EML, GEF, Java)

  • Applied Scrum in student projects (Scrum)

Projects

Reusable Translation Web Components

Lead Full Stack Developer at Major public-sector financial institution
–
application

Designed and introduced reusable web components for translation workflows in regulated environments, enabling efficient multilingual communication.

  • TypeScript
  • React
  • Nginx
  • Azure
  • Docker
  • Kubernetes
  • Github Actions
  • Web Components
  • Azure Translation

Enterprise-wide Customer Search Solution

Solution Architect and Lead Full Stack Developer at Major public-sector financial institution
–
Web App, API

Identified and prioritized recurring customer needs; Architected and established a unified solution for organization-wide customer data access, streamlining processes and eliminating redundancies.

  • Java
  • Spring Boot
  • TypeScript
  • React
  • Web Components
  • CosmosDB
  • SOAP
  • REST
  • Azure
  • Docker
  • Kubernetes
  • Github Actions

Digital Contract Review and Archiving Solution

Solution Architect and Lead Full Stack Developer at Major public-sector financial institution
–
Web App, Workflow, API

Designed and delivered a platform for digital contract management, driving compliance, automation, and auditability throughout the organization.

  • Java
  • Spring Boot
  • TypeScript
  • React
  • PostgreSQL
  • OpenAPI 3.0
  • Azure
  • Docker
  • Kubernetes
  • Github Actions
  • Camunda Workflow

Intelligent Chat-based Document Analysis with AI

Solution Architect, Lead Full Stack Developer, and Test Engineer
–

Developed an interactive AI-driven chat component, making complex documents intuitively accessible and enabling targeted information extraction for end-users.

  • Java
  • Spring Boot
  • TypeScript
  • React
  • Web Components
  • Playwright
  • PostgreSQL
  • OpenAI
  • OpenAPI 3.0
  • User Experience
  • Azure
  • Docker
  • Kubernetes
  • Github Actions
  • Camunda Workflow

Dashboard-Driven Employee Workspace Portal

Solution Architect and Lead Full Stack Developer at Major public-sector financial institution
–
application

Led the migration and transformation to a modular, dashboard-driven employee portal, enhancing productivity and the user experience.

  • Java
  • Spring Boot
  • PostgreSQL
  • TypeScript
  • React
  • Web Components
  • Azure
  • Docker
  • Kubernetes
  • Github Actions
  • Micro-Frontends

Authentication and Authorization Standards

Solution Architect and Lead Full Stack Developer at Major public-sector financial institution
–
Solution Design, API, Web App, Libraries

Established company-wide authentication and authorization standards, accelerating secure integration and raising security levels across all applications

  • TypeScript
  • React
  • OAuth 2.0
  • OpenID Connect
  • MS Entra ID
  • Github Actions
  • Azure
  • Playwright

Blue Prints & Common Libraries for Web Application Development

Lead Full Stack Developer at Major public-sector financial institution
–
Web App, Libraries

Introduced reusable blueprints and libraries, standardizing development best practices and accelerating custom web application delivery.

  • Java
  • Spring Boot
  • TypeScript
  • React
  • Web Components

Migration of Credit Analysis and Decision Protocol Lifecycle

Solution Architect and Lead Full Stack Developer at Major public-sector financial institution
–
Web App, Workflow, API

Modernized and modularized legacy credit protocols, introducing scalable patterns and future-proof processes for enterprise workflows.

  • Java
  • Spring Boot
  • TypeScript
  • React
  • Moduliths
  • Microservices
  • Domain-Driven Design
  • CQRS
  • Hexagonal Architecture
  • API Management
  • OpenAPI 3.0

AI-powered Document Review and Contract Support in Real Estate Financing

Full Stack Developer, Test Engineer, Dev Ops Engineer, Business Analyst, and UX-Designer
–

Drove automation and transparency in contract review processes by implementing an AI-powered end-to-end solution for real estate financing.

  • Java
  • Spring Boot
  • TypeScript
  • Angular
  • AWS CDK
  • Karma
  • Mocha
  • Protractor
  • Docker
  • Github Actions
  • No Estimates

Introduction and Scaling of Modern Self-Organization

–

Initiated and guided the company's transition to modern self-organization, establishing new processes, training, and decision-making frameworks.

  • Holacracy
  • Sociocracy
  • Sociocracy 3.0
  • Agile
  • Decision Making Process
  • Self-Organization
  • Moderation

Migration from AngularJS to Angular during Production Operation and Software Development

Lead Full Stack Developer and Test Engineer
–

Orchestrated the seamless migration from AngularJS to Angular in ongoing production, enabling future-ready web development.

  • TypeScript
  • JavaScript
  • AngularJS
  • Angular
  • CouchDB
  • Protractor
  • Webpack
  • Karma
  • Mocha
  • TeamCity

Education

Publications

Interests

Music

Investments

Sports