Koorosh Komeili Zadeh

Junior Software Engineer - Data Platforms & Backend Systems

Randstad Area, the Netherlands

(+31) 6 8782 4064
kooroshkz
kkomeilizadeh@gmail.com
kooroshkz
kooroshkz.com

Work Experience

Software Engineer Intern – Data Platforms – TomTom (Sep 2025 – Present)

Working on scalable backend systems and data platforms, contributing to product-facing tools with focus on performance, reliability, and large-scale data workflows.

  • Maintained and optimized ETL pipelines and backend platforming tools using Scala, Python, and Apache Spark on Azure Databricks
  • Automated deployment, orchestration, and data governance using Databricks DABs, Unity Catalog, and Azure Data Lake
  • Implemented monitoring and observability solutions for metrics, logs, costs, and performance visualization on Grafana
  • Collaborated with cross-functional teams to design and improve cloud-based, distributed data workflows

Software Engineer Intern – Backend Systems – Diplora (Jun 2024 – Feb 2025)

Developed backend services and APIs for high-frequency data systems in a cloud production environment, contributing to scalable and production-ready systems.

  • Migrated legacy workflows to a cloud-native architecture, improving system reliability, scalability, and maintainability
  • Built real-time streaming pipelines with Apache Kafka for reliable ingestion and buffering of high-frequency data
  • Developed Python-based platform tools and REST APIs using AWS Lambda, API Gateway, and S3
  • Designed event-driven architectures to support scalable and efficient data workflows

Teaching Assistant – Leiden Institute of Advanced Computer Science (Feb 2024 – Present)

Supported courses in Algorithms and Data Structures, Object-Oriented Programming, Software Development, Data Science and System Security.

Education

Leiden University – BSc in Computer Science - Data Science and Artificial Intelligence (Sep 2023 – Jun 2026)

Relevant Coursework: System Design, Object-Oriented Programming, Algorithms & Data Structures, Distributed Systems, Software Security

Thesis: Adaptive data profiling for improving data quality, observability, and backend pipeline reliability

Projects

Skills

Programming Languages Python, Java, JavaScript, SQL
Backend & Product Development REST APIs, FastAPI, Flask, Django, Node.js, React, Microservices, API Design, Unit & Integration Testing
Cloud & Databases AWS (Lambda, API Gateway, S3, EC2, DynamoDB), Azure (Functions, Data Lake), PostgreSQL, MySQL, MongoDB
Data & Streaming Kafka, Airflow, Apache Spark, Data Warehousing, ETL Pipelines
DevOps & Tooling Linux, Git, Docker, Kubernetes, CI/CD, Monitoring & Observability (Grafana), Terraform

Licenses & Certifications