Oliver B. - Senior Software Architect

Go to Website

Remscheid, Germany

Experience

Jan 2025 - Present

11 months

Senior Software Architect

private Project

Designed blockchain-based learning platform with event-driven architecture, integrating RESTful APIs for personalized learning paths.
Developed scalable microservices using Java, Python, and React in Kubernetes, enabling real-time data processing.
Implemented smart contracts (Solidity) for secure course purchases and mentor engagement.
Led AI-supported matching system (DecisionTreeRegressor) to optimize learning recommendations.

Sep 2023 - Feb 2025

1 year 6 months

Production Monitoring

private Project

Led the transformation of monolithic Java applications to a microservices architecture in Azure/Kubernetes using Spring Boot and TDD, increasing scalability by 25%.

Nov 2022 - Sep 2023

11 months

Life Insurance Platform

IBM

Designed and extended a Java- and Spring Boot-based platform in IBM Cloud with DB2, introducing new functionalities.

Aug 2022 - Mar 2023

8 months

PowerBI Modernization

private Project

Restructured the existing Power BI landscape by creating and maintaining database views in MSSQL and BigQuery.

Jul 2022 - Present

3 years 5 months

Senior Java Engineer

The NextGen GmbH

Transformed monolithic Java applications to microservices in Azure/Kubernetes, increasing scalability by 25%.
Built Spring Boot applications in cloud-native environments, reducing deployment times by 30%.
Optimized Power BI and BigQuery analytics, improving decision accuracy by 30%.

Dec 2021 - Aug 2022

9 months

Blockchain Java API

IBM

Designed and implemented a blockchain interface using Java in a CI/CD environment for power plant controls, improving data exchange efficiency by 40% and enhancing operational reliability.

Sep 2020 - Nov 2021

1 year 3 months

Watson AI Prediction

IBM

Developed and automated testing for an AI platform (Watson AI) using Selenium and Java, ensuring software quality and reducing the error rate by 25%.

Aug 2016 - Jun 2022

5 years 11 months

Application Architect

IBM

Designed Java-based blockchain interface for power plant controls in CI/CD, improving data exchange by 40%.
Developed Watson AI platform with automated testing (Selenium, Java), reducing error rates by 25%.
Led modernization projects in banking and telecom, enhancing reliability by 20%.

Feb 2016 - Jul 2016

6 months

Consultant Developer

binaris Informatik GmbH

Optimized JavaEE banking software, increasing system efficiency by 15%.

Jan 2016 - Dec 2019

4 years

Various Modernization Projects

IBM

Led and implemented projects in banking, telecommunications, and defense, including JavaEE platform upgrades, security enhancements, and compliance solutions, increasing software reliability and customer satisfaction by 20%.

Dec 2009 - Jan 2016

6 years 2 months

Software Engineering Manager

TOMRA Systems GmbH

Designed and led the development of a data science platform using Java, PostgreSQL, and BI integration, enabling predictive customer support, increasing customer satisfaction by 30%, and reducing unplanned outages by 25%.
Developed Java-based BI platform with PostgreSQL, improving data processing by 50%.
Integrated data science and ERP systems, increasing data transparency by 53%.

Summary

Senior Solution Architect with many years of experience designing cloud-native microservices, blockchain, and AI solutions using Java, Kubernetes, and agile methodologies. Expert in event-driven architectures, RESTful APIs, and DevOps, delivering scalable systems with up to 40% efficiency gains.