Employment History
Independent Software Engineer
Freelancing, Remote (Barcelona)
January 2025 - present
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Designed, developed, and maintained Web APIs (Java and
Python), including integration with external services
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Created educational software engineering content focused on
Java and the JVM ecosystem, Data Structures and Algorithms
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Designed and implemented LLM- and RAG-based systems for
document understanding and question answering
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Built end-to-end machine learning pipelines from data
preprocessing to model deployment
Tech Stack:
Java, Spring (Framework, Boot, AI), Python, FastAPI, Django,
PyScript, OpenAPI, Weaviate, PostgreSQL (with pgvector),
Generative AI (LLM, RAG, Agentic Systems), LangChain(4j),
Ollama, Docker, Kubernetes, AWS (EC2, S3, IAM, Lambda, ECR, ECS,
EKS)
Educational Content Creator
Contract, Hyperskill, Remote (Barcelona)
October 2023 — March 2024
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Created and enhanced educational content for the Spring Boot
track offered by JetBrains Academy through the Hyperskill
platform, contributing to high-quality, hands-on learning
experiences for aspiring developers
Tech Stack: Java, Spring Framework, Spring Boot
Software Engineer
Employment, ExB Group, Remote (Nürnberg, Barcelona)
March 2021 — November 2024
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Implemented key features in Java and Python within a
microservices-based event-driven architecture for a web-based
Intelligent Document Processing application
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Designed and developed scalable, decoupled microservices in
Java and Python, enhancing system robustness and performance
(documents upload, archiving and download, image processing,
REST and GraphQL APIs, notifications, AI models deployment)
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Deployed services in a cloud-native environment using Docker
and Kubernetes, ensuring high availability and scalability
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Led internal technical workshops focused on clean code
principles and improving overall code quality
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Conducted regular code reviews and participated in pair
programming to foster collaboration and knowledge sharing
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Advocated for tooling and workflow improvements to streamline
the developer experience and reduce friction in daily tasks
Tech Stack: Python, Java, Django, Spring
Framework, Spring Boot, Akka, GraphQL, PostGraphile, PostgreSQL,
EventStoreDB, RabbitMQ, Docker, Kubernetes, Helm, Keda, AWS S3,
MinIO, AWS ECR, AWS ECS, AWS EKS, Git, GitLab, TeamCity, Argo
CD, Grafana, AsciiDoc, Antora, Linux, JUnit
Lead Software Developer
Contract, IT-Systemhaus der Bundesagentur für Arbeit, on-site
(Nürnberg)
September 2019 — April 2020
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Served as Lead Developer for one of two agile development
teams, guiding technical direction and team collaboration
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Defined and evolved the application's architecture to support
scalability and maintainability
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Promoted clean code and consistent development practices to
maintain code quality
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Collaboratively decomposed features into manageable tasks,
ensuring effective sprint planning and delivery
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Implemented and tested application features across the full
stack, maintaining close alignment with business requirements
Tech Stack: Java SE 8, Java EE 7, Angular,
TypeScript, JavaScript, JUnit, Cucumber, Jenkins, Docker, Linux,
Oracle Database, Git
Full Stack Developer
Contract, Bundesamt für Migration und Flüchtlinge (BAMF),
on-site (Nürnberg)
May 2018 — September 2019
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Implemented features across both frontend and backend of a web
application
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Improved and maintained project documentation to support
developer onboarding and knowledge sharing
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Managed DevOps-related tasks and supported deployment
activities to ensure smooth delivery and system stability
Tech Stack: Java SE 8, Spring Framework, Spring
Boot, JUnit, Angular, TypeScript, JavaScript, Ansible, Jenkins,
Docker, Oracle Database, Hibernate, Linux, Git
Software Developer
Contract, IT-Systemhaus der Bundesagentur für Arbeit, on-site
(Nürnberg)
May 2014 — February 2018
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Developed a publishing workflow for web content within Oracle
CMS, streamlining the content creation and approval process
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Extended the CMS by implementing custom tools and features to
support efficient content management and improve the user
experience for content editors
Tech Stack: Oracle WebCenter Content, Java,
HTML, CSS, JavaScript, Oracle Database, Linux, CVS, Git
Senior Technical Consultant
Employment, virtual7 GmbH, on-site (Nürnberg)
February 2019 — May 2020
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Delivered software solutions across various client projects as
part of agile development teams
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Implemented new features, resolved bugs, and participated in
the full SDLC
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Acted as a software consultant, adapting quickly to different
domains and tech stacks
Software Developer / Senior Technical Consultant
Employment, virtual7 Romania, on-site (Timișoara)
February 2008 — January 2019
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Delivered software solutions across various client projects as
part of agile development teams
-
Implemented new features, resolved bugs, and participated in
the full SDLC across various client engagements
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Acted as a software consultant, adapting quickly to different
domains and tech stacks