About me

Senior Java / DevOps Engineer with 8+ years building enterprise microservices, cloud infrastructure, and CI/CD pipelines. Deep expertise in Spring Boot, Kubernetes, and AWS/Azure/GCP. AI and Rust specialization as differentiators for modern stack adoption. Proven at the European Patent Office (EPO) deploying AI-augmented systems at scale. Fluent in English, German, and Czech.

Resume / CV

PDF | ODT

Skills

Java

Java 8–21

8 years

Spring Boot

8 years

Spring Framework

8 years

Spring WebFlux

6 years

Spring Cloud

6 years

Spring Security

7 years

Hibernate / JPA

7 years

Camunda BPM

5 years

Maven / Gradle

8 years

JUnit / Mockito

7 years

Jenkins / CI-CD

7 years

REST API Design

7 years

Microservices Architecture

6 years

OAuth2 / Keycloak

5 years

WildFly / Tomcat

5 years

Cloud

AWS

6 years

Azure

5 years

GCP

4 years

Kubernetes

6 years

Docker

7 years

Jenkins

7 years

Ansible

4 years

Terraform

5 years

Prometheus

5 years

Grafana

5 years

ELK Stack

5 years

Kafka

5 years

RabbitMQ

6 years

Vault

4 years

Ai

GPT-4

4 years

Claude

4 years

Llama

3 years

Mistral

3 years

Ollama

3 years

Spring AI

3 years

LangChain

3 years

RAG

3 years

Vector Search

3 years

Prompt Engineering

4 years

Fine-Tuning (LoRA)

2 years

OpenAI Whisper

2 years

TensorFlow

3 years

PyTorch

3 years

Hugging Face

3 years

MLOps

3 years

NLP

3 years

pandas

4 years

scikit-learn

3 years

Languages

Rust

4 years

Java 8–21

8 years

Python

6 years

Kotlin

5 years

Scala

4 years

JavaScript / TypeScript

6 years

ReactJS

5 years

Angular

5 years

Node.js

5 years

Bash

7 years

SQL

8 years

gRPC

4 years

Protocol Buffers

4 years

Experience

Senior Java Solutions Architect / AI Agent Developer, EUROPEAN PATENT OFFICE (EPO), Munich, Germany

05/2025 — 05/2026

• Integrated LLMs and generative AI into legacy patent examination processes using Spring Boot and Camunda BPM, automating decades-old manual workflows • Architected and deployed 20+ autonomous AI agents for server monitoring, infrastructure automation, and log anomaly detection across hybrid cloud environments • Built AI-driven document intelligence using Claude and custom RAG pipelines to auto-classify patents and generate examination summaries • Architected AI-augmented logistics document processing on AWS (EC2, S3, Lambda, Kubernetes) with LLM-based classification and anomaly detection • Scaled ELK logging platform processing 10TB+ daily logs with ML pattern recognition, cutting incident response by 50%

Senior Java / DevOps Engineer, GLS IT SERVICES, Frankfurt, Germany

10/2024 — 04/2025

• Led development of an enterprise AI helpdesk agent using ChatGPT, Llama 3, and Whisper v2 (Spring AI, LangChain, RAG) • Deployed AI agents for automated server monitoring and alerting, reducing manual DevOps overhead by 30% • Hardened microservices security using Keycloak and Spring Security with AI-based threat detection

Senior Java Engineer, ORANGE POLAND, Warsaw, Poland

01/2024 — 09/2024

• Engineered sales authentication systems (Java 17, Spring Boot, OpenAPI, WildFly) serving high-throughput production traffic • Extended 2FA and security mechanisms with AI-driven fraud detection heuristics (Kubernetes, OAuth2, Keycloak)

Lead Java Engineer, KNAPPSCHAFT, Bochum, Germany

03/2023 — 12/2023

• Designed business process workflows using Camunda Platform 8, streamlining administrative procedures • Developed AI-powered backend services leveraging Claude Sonnet for intelligent document processing (Spring Boot, Kubernetes, Angular) • Led delivery of non-profit support application features (Java 21, Spring Boot 3, Spring Cloud, OpenFeign, RabbitMQ)

Senior Software Engineer, CIRCLE K, Warsaw, Poland

06/2022 — 03/2023

• Developed and tuned Machine Learning algorithms for the core fuel and retail product platform (Java 8, Groovy, Scala, Apache Spark) • Built PoC AI systems for security heuristics and vulnerability detection with the cybersecurity team • Deployed microservices on Kubernetes with Kubeflow for ML pipeline automation (Docker, Vault, Elasticsearch, Kibana, Grafana)

Senior Software Engineer, ORANGE POLAND, Warsaw, Poland

07/2021 — 06/2022

• Developed remote fueling application features (Java 17, Kotlin, Spring Boot, Spring WebFlux, OpenAPI, Spring Cloud) • Extended Azure cloud pipelines and serverless functions (AKS, Azure DevOps, Azure Functions, Cosmos DB) • Maintained NodeJS microservices (NodeJS 16, TypeScript, HapiJS)

Senior Software Engineer, WORKFUSION, Warsaw, Poland

05/2020 — 06/2021

• Coded firmware and middleware for IoT smart home entertainment solutions (Java 7, ReactJS, GWT, Kafka, MongoDB, Spring WebFlux) • Mentored junior developers and conducted performance tuning in production environments

Earlier Contracts

04/2018 — 04/2020

Amaris Consulting (04/2018–04/2019) — Developed an AI-powered bidding platform (Java 11, Spring MVC, Hibernate, PostgreSQL, Angular 7); implemented ML algorithms and banking data migration automation (Python, Murex, OpenHFT, FIX) • Broadcom Inc. (04/2019–08/2019) — R&D of mainframe products and APIs (Java 8, Spring Boot, JUnit, Mockito, Jersey, IBM z/OS); developed Cucumber E2E suite and Jenkins CI pipelines; led front-end development and mentoring • DHL International GmbH (08/2019–12/2019) — Built Big Data scheduling and performance reporting applications (Java 8, Spring Boot, Oracle 12g, Teradata, AWS S3) • E.Stradis GmbH (12/2019–04/2020) — Developed credit risk management products on low-latency Linux systems (Java 7, Java EE, Spring 4, EJB, JMS)

MBA, The Power Business School

2023 — 2024

IT Project Management, Postgraduate Studies, Warsaw School of Computer Science

2021 — 2022

Computer Science, Bachelor of Science, Warsaw School of Computer Science

2014 — 2018