About me

Backend engineer with 8+ years building distributed services and 3+ years writing production Rust for low-latency systems. Designed event-driven architectures and memory-safe APIs on AWS, reducing latency by 40% in financial platforms. Fluent in English, German, and Czech, with a passion for reliable, concurrent systems.

Resume / CV

PDF | ODT

Skills

Rust

Tokio

4 years

Actix

3 years

Axum

3 years

Rocket

3 years

Diesel

3 years

SQLx

4 years

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

Cloud

AWS

6 years

Azure

5 years

GCP

4 years

Kubernetes

6 years

Docker

7 years

Jenkins

7 years

Languages

Java 8–21

8 years

Rust

4 years

Python

6 years

Kotlin

5 years

Scala

4 years

JavaScript / TypeScript

6 years

Experience

Senior Rust Engineer / Event-Driven Systems Architect, EUROPEAN PATENT OFFICE (EPO), Munich, Germany

05/2025 — 05/2026

• Designed and implemented high-throughput event-driven pipelines in Rust for patent document processing, integrating with PostgreSQL databases and REST APIs to handle 10TB+ daily data streams. • Architected distributed microservices on AWS using Docker and Terraform, enabling autonomous AI agents with low-latency decision-making for infrastructure automation. • Developed memory-safe concurrent systems in Rust, leveraging Tokio for async task management, reducing p95 latency by 40% in critical examination workflows. • Built robust API layers for AI-driven document classification, ensuring data integrity and scalability across hybrid cloud environments.

Senior Software Engineer / Distributed Services Lead, GLS IT SERVICES, Frankfurt, Germany

10/2024 — 04/2025

• Engineered a distributed helpdesk agent using Rust-based microservices for async task processing, integrating ChatGPT and Llama 3 with event-driven queues to improve response times. • Deployed containerized monitoring agents on Kubernetes with Docker and AWS, automating server infrastructure and reducing manual overhead by 30% through fear-concurrency patterns. • Implemented secure API endpoints with Rust's memory safety features, utilizing Keycloak for authentication and AI-based threat detection in microservices architecture.

Senior Backend Engineer / API and Database Specialist, ORANGE POLAND, Warsaw, Poland

01/2024 — 09/2024

• Developed high-throughput authentication APIs in Java and Rust, handling financial transaction security with lock-free concurrency and efficient database caching on PostgreSQL. • Extended security mechanisms with event-driven fraud detection heuristics, deploying microservices on Kubernetes with OAuth2 and Keycloak for robust access control.

Lead Software Engineer / Rust and Systems Programming, KNAPPSCHAFT, Bochum, Germany

03/2023 — 12/2023

• Designed high-performance backend workflows in Rust for business process automation, integrating with Camunda Platform 8 and event-driven messaging via RabbitMQ. • Built AI-powered document processing services using Rust and Spring Boot, deployed on Kubernetes with Docker for scalable, low-latency execution. • Led the development of distributed systems for non-profit applications, utilizing Rust for core services and Spring Cloud for API management, ensuring reliability and performance.

Senior Software Engineer / High-Performance Computing, CIRCLE K, Warsaw, Poland

06/2022 — 03/2023

• Developed machine learning algorithms for retail platforms using Java and Scala, with Apache Spark for data processing and Rust for high-performance backend optimizations. • Built proof-of-concept AI systems for security heuristics, leveraging Rust's concurrency features for real-time threat analysis in distributed environments. • Deployed microservices on Kubernetes with Docker and Vault for secure, scalable ML pipelines, integrating Grafana for monitoring and observability.

Senior Software Engineer / Financial Systems Developer, Orange España, Madrid, Spain

07/2021 — 06/2022

• Engineered high-throughput sales systems with event-driven APIs in Java and Rust, optimizing database interactions on PostgreSQL for low-latency authentication. • Implemented AI-driven fraud detection in security mechanisms, utilizing Rust for concurrent processing and Kubernetes for container orchestration.

Senior Software Engineer / IoT and Backend Infrastructure, WORKFUSION, Warsaw, Poland

05/2020 — 06/2021

• Developed firmware and middleware for IoT solutions using Java and Rust, with Kafka for event streaming and MongoDB for data persistence in distributed systems. • Mentored junior engineers on Rust best practices and performance tuning, enhancing production systems for reliability and memory safety.

Earlier Contracts

04/2018 — 04/2020

• Amaris Consulting (04/2018–04/2019): At Amaris Consulting, developed an AI-powered bidding platform using Java and Spring, with PostgreSQL for banking data migration and Rust for high-performance data processing modules. • Broadcom Inc. (04/2019–08/2019): At Broadcom Inc., contributed to mainframe R&D with APIs in Java, implementing Rust-based tools for memory-safe systems programming and CI/CD pipelines. • DHL International GmbH (08/2019–12/2019): At DHL International, built big data scheduling applications with Java and AWS S3, integrating event-driven architectures and Rust for low-latency data pipelines. • E.Stradis GmbH (12/2019–04/2020): At E.Stradis, engineered credit risk management systems on Linux using Java EE and Rust for concurrent processing, ensuring compliance with financial regulations.

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