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# Dennis Thiessen — Master CV Profile Extraction
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## Metadata
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- **Source files:** Dennis_Thiessen_CV-1.pdf, Dennis_Thiessen_CV-2.pdf
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- **Subject:** Dennis Thiessen (the user — all content is first-person)
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- **Extracted:** 2026-03-28
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- **Status:** Active professional CV — not a publication
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- **Notes:** Two CV variants exist. CV-1 is more polished/targeted (fewer bullets, tighter). CV-2 has more detail (extra PoC bullet at Bosch, RiskAhead project, full education grades). Synthesized below.
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---
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## Personal Info
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- **Name:** Dennis Thiessen, M.Eng.
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- **Email:** dennis@thiessen.io
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- **Phone:** +41 795 955 585
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- **Location:** Bern, Switzerland
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- **LinkedIn:** linkedin.com/in/dennis-thiessen
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---
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## Education
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| Degree | Institution | Location | Year |
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|--------|-------------|----------|------|
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| M.Eng. in Computer Aided Engineering (focus: Software Design & Software Engineering) | Universität der Bundeswehr München | Munich, Germany | Sep 2013 |
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| Master's Thesis | Tongji University | Shanghai, China | Sep 2013 |
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| B.Eng. in Computer and Communication Technologies | Universität der Bundeswehr München | Munich, Germany | Sep 2012 |
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**Master's Thesis details:**
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- Title: "Development of a Web-Based Remote Fault Diagnosis System"
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- Methods: Neural Networks, Particle Swarm Optimization, Fuzzy Networks
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- Grade: 1.0 (Very Good — top grade in German system)
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- Overall M.Eng. grade: 1.6 (Good)
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**Official degree names:**
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- B.Eng.: "Information and Telecommunication Technologies" (Universität der Bundeswehr München)
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- M.Eng.: "Computer Aided Engineering" — focus: Software Design and Software Engineering
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- **Resume framing:** Use "Software Design & Engineering" as the focus descriptor — more recognizable than official programme name.
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---
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## Work Experience
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### 1. Swisscom — Bern, Switzerland | Oct 2023 – Present
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**Title:** Senior Data, Analytics & AI Engineer → Staff Data, Analytics & AI Engineer
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**Timeline:** Senior: Oct 2023 – Apr 2025 | Staff: Apr 2025 – Present (confirmed via LinkedIn)
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**Resume framing:** Show as "Staff Data, Analytics & AI Engineer" for current title; note promotion if space allows.
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**Additional LinkedIn-confirmed skills at Swisscom:** PySpark, Infrastructure Automation & Ops, Component Owner role.
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**Bullets from CV-1 (more targeted):**
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- Owned ETL pipelines (Python, Kafka, SAP BODS) consuming Kafka topics and Oracle sources into Teradata
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- Migrated legacy pipelines to AWS (S3, Glue, Athena, Redshift, Lambda, Step Functions, Airflow)
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- Requirements Engineering, Implementation and Operation of ETL pipelines and data products
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**Bullets from CV-2 (more detail):**
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- Implementation and operation of ETL pipelines using BODS, Kafka and Python
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- Architecture and operation of Teradata DWH
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- Providing data, analysis and dashboards for B2B stakeholders
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**Key tech stack:** Python, Kafka, SAP BODS, Oracle, Teradata, AWS (S3, Glue, Athena, Redshift, Lambda, Step Functions), Airflow
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---
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### 2. BOSCH Semiconductor Manufacturing — Dresden, Germany | Feb 2020 – Jan 2023
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**Title (CV-1):** (Senior) Data Analysis Engineer
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**Title (CV-2):** (Senior) Engineer Data Analysis
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**Bullets (combined from both CVs):**
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- Built data services in Python, Java, C# over OracleDB and Hadoop/ImpalaSQL to supply analysis teams with data and insights
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- Containerized and orchestrated ML inference (Docker, Kubernetes, Ansible) inside pipelines for 24/7 production lines, enabling fully automated image classification and significantly reducing manual classification workload for line engineers
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- Application Owner for semiconductor data analysis applications and upstream pipelines; delivered training, documentation, SLOs; stakeholder management to ensure efficient and effective use of systems
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- Proof of concept: set up Elastic-Stack (ELK) using Docker and Apache Kafka for anomaly detection; implemented monitoring and alerting with Grafana, Prometheus, and Loki *(CV-2 only — include when space allows)*
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**Key tech stack:** Python, Java, C#, OracleDB, Hadoop, ImpalaSQL, Docker, Kubernetes, Ansible, ELK Stack, Kafka, Grafana, Prometheus, Loki
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---
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### 3. Fraunhofer CML — Hamburg, Germany | Sep 2018 – Jan 2020
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**Title:** Research Software Engineer
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**Bullets (combined):**
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- Development and bug-fixing of SCEDAS (C#, .NET, MS SQL, Entity Framework) — a Decision Support System with mathematical heuristics for optimal planning in crew scheduling; improved runtime and correctness with test coverage
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- Built microservices (Express.js, Java, Docker, SQLite) for research prototypes/applications
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- Introduced build automation and deployment (CI/CD) pipeline with quality gates using Jenkins and Git
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- Conducted research in ML for Digital Twins in Shipping and NLP (Natural Language Processing) *(CV-2 only)*
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**Key tech stack:** C#, .NET, MS SQL, Entity Framework, Express.js, Java, Docker, SQLite, Jenkins, Git
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---
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### 4. Vizrt — Bergen, Norway | Jul 2017 – Aug 2018
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**Title:** DevOps Engineer
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**Bullets (combined):**
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- Software Engineering in Python and C++ for a distributed backend video transcoding component
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- Developed automated integration and unit tests for Audio, Video & Streaming in Python to improve quality and long-term maintainability
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**Key tech stack:** Python, C++, distributed systems, A/V streaming
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---
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### 5. Generali — Hamburg, Germany | May 2015 – Jun 2017
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**Title:** Software Engineer
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**Bullets:**
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- CV-1: Python/C++ development for distributed backend components; implemented test automation and long-term maintainability practices
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- CV-2: Software Engineering for a process-oriented workflow web-portal using Java/J2EE, JavaScript and Oracle DB
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**Key tech stack:** Python, C++, Java, J2EE, JavaScript, Oracle DB
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---
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## Projects
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### RiskAhead (discontinued) | 2015–2017
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- Full-stack Android application (Java, RESTless Microservices, PHP, MySQL, Docker)
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- Features: incident/hazard reporting on Google Maps with push notifications
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- Media: featured in VICE Germany (article linked in CV-2)
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- **Provenance:** personal project, discontinued — not peer-reviewed, not a published paper
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---
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## Skills Inventory
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### Programming Languages
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Python, SQL (Postgres, MySQL, Oracle, Impala/Hadoop), Java, C#, TypeScript, C++, JavaScript
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### Frameworks & APIs
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Flask, FastAPI, Django, Swagger/OpenAPI, Express.js, J2EE, .NET, Entity Framework, SQLAlchemy
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### Data & Pipelines
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ETL/ELT design, data modeling, Airflow, Kafka, SAP BODS, Hadoop/Impala, Teradata DWH, SQL performance tuning (explain plans, indexes, partitions)
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### Cloud & Infra
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AWS (S3, Glue, Athena, Redshift, Lambda, Step Functions), Docker, Kubernetes, Ansible, CI/CD, IaC
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### ML & AI
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PyTorch, SciKit-Learn, Pandas, NumPy, Matplotlib, Plotly, Mockito, ML inference deployment (Docker/K8s)
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### Observability / DevOps
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ELK Stack, Grafana, Prometheus, Loki, Jenkins, Git, pytest
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### Blockchain (bonus)
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RPC APIs, public node operation, on-chain data via RPC/REST, basic Solidity, Kraken client since 2017
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### Legacy / Enterprise
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Oracle, Teradata, SAP BODS
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---
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## Certifications
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| Certification | Issuer | Year (approx.) |
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|--------------|--------|---------------|
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| AI for Trading Nanodegree | Udacity | see cert PDF |
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| IBM AI Engineering Professional Certificate | Coursera / IBM | see cert PDF |
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| ITIL v3 Foundation Certificate | Serview | see cert PDF |
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| Certified Professional for Software Architecture — Foundation Level (iSAQB) | iSAQB | see cert PDF |
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| Camunda BPM Process Engine (Basic & Advanced) | Camunda Services | see cert PDF |
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| UIPath Developer Training | UIPath | see cert PDF |
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| Data Engineering with AWS | AWS / Udacity | see cert PDF |
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---
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## Languages
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| Language | Level | Source |
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|----------|-------|--------|
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| German | Native | CV, LinkedIn |
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| English | Fluent / Professional | CV, LinkedIn |
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| Norwegian | Elementary / Basic | CV, LinkedIn |
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| Russian | Elementary / Basic | LinkedIn only |
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**Note:** Swisscom Zeugnis mentions French and Italian — this is likely boilerplate HR text. User confirmed: does NOT speak French or Italian professionally. Do NOT include on resume.
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---
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## Provenance Notes
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- **Safe to claim (full ownership):** All items listed under each position — solo developer work clearly attributed
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- **Shared/team work:** Bosch ML pipeline integration — context suggests team effort; hedge as "led" or "owned end-to-end" only if confirmed
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- **Do NOT claim:** Any results from collaborators at Fraunhofer research projects (NLP, Digital Twins) unless specific contribution confirmed
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- **RiskAhead:** Personal project framing only — not a commercial product, not peer-reviewed
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---
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## CV Variant Notes
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Two CV variants exist — likely tailored for different JDs:
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- **CV-1** (1 page): Leaner, adds Blockchain skills section, more AWS-specific, better for data engineering / platform roles
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- **CV-2** (2 pages): More detail on tech stack, includes Bosch PoC and RiskAhead project, has grades — better for engineering-depth or R&D-adjacent roles
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When generating resumes, prefer CV-1's framing for data engineering JDs, CV-2's detail depth for ML/AI or research-adjacent JDs.
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---
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## Resume Bullet Seeds
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### Swisscom
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1. Owned end-to-end ETL pipeline migration from legacy Teradata/Oracle stack to AWS (S3, Glue, Athena, Redshift, Lambda, Step Functions, Airflow), reducing operational overhead
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2. Designed and operated Kafka-based ingestion pipelines (Python, SAP BODS) consuming multi-source Oracle and Kafka topic feeds into Teradata DWH
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3. Led requirements engineering through operation of data products for B2B stakeholders
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### Bosch
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1. Containerized and orchestrated ML inference (Docker, Kubernetes, Ansible) into 24/7 semiconductor production pipelines, enabling fully automated image classification and reducing manual workload for line engineers
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2. Built Python/Java/C# data services over OracleDB and Hadoop/ImpalaSQL, supplying analysis teams with on-demand data and insights
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3. Served as Application Owner for analytics platforms and upstream pipelines; established SLOs, training, and documentation for stable 24/7 operations
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4. Delivered anomaly detection PoC using ELK Stack + Kafka with Grafana/Prometheus/Loki monitoring
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### Fraunhofer
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1. Maintained and extended SCEDAS decision support system (C#/.NET/MS SQL) with heuristic crew scheduling optimization; improved runtime and correctness via test coverage
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2. Built microservice layer (Express.js, Java, Docker, SQLite) for research prototype applications; introduced Jenkins CI/CD with quality gates
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### Vizrt
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1. Engineered distributed video transcoding backend (Python, C++); developed automated integration and unit test suite for A/V streaming to improve release-over-release reliability
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### Generali
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1. Developed distributed backend components (Python, C++, Java/J2EE) for a process-oriented workflow web-portal; implemented test automation for long-term maintainability
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