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Zhe RenZR

Zhe Ren

Data Platform Engineer / Data Engineer

€800/day
Amsterdam, NL
8-15 years

Average response time: 1 hour

About Zhe

Data (Platform) Engineer with 6+ years of experience building and operating production-grade data platforms on GCP. Specialized in batch and streaming ingestion, data platform reliability, and platform self-service for analytics and ML use cases. Co-architected a streaming-first market data platform in the European energy trading domain (~20 external sources, ~200 pipelines, ~90% legacy migration completed). Currently transitioning from permanent roles to freelance consulting, open to contract opportunities in the Netherlands
  • Chinese

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Amsterdam (up to 50km)

Experience

  • Dexter Energy
    Data Platform Engineer / Data Engineer
    ENERGY AND UTILITIES
    September 2023 - March 2026 (2 years and 6 months)
    Amsterdam, Netherlands
    Worked on the Market Data team responsible for ingesting and operating energy market data used by trading and forecasting systems.

    • Co-led and built the Market Data Platform (MDP) from scratch (Medallion + Kappa-style), a streaming-first ingestion platform replacing legacy ingestion with ~90% migration completed.
    • Designed a connector-based ingestion framework (polling and push) with YAML data contracts as the single source of truth for dataset configuration and schema validation.
    • Implemented 7–9 production connectors (EPEX MATS, EEX, Volue, APG, GME, IPTO, DAMAS, etc.) with custom rate-limit handling and schema validation.
    • Delivered critical integrations such as EPEX MATS conformance and DAMAS PDF parsing, enabling support for key European energy markets.
    • Built core platform mechanisms including sanitization, idempotent ingestion, and Redis-backed distributed deduplication to ensure consistent backfills and reliable streaming ingestion.
    • Owned production reliability of market data pipelines, triaging data gaps, schema drift, and outages, and improving observability through Grafana, Prometheus, and Sentry dashboards and alerting.
    • Maintained dbt consolidation layer feeding DWH, analytics, and model pipelines.
    SQL Python Infra as Code CI/CD Management Cloud Administration
  • FedEx
    Data Platform Engineer
    November 2020 - September 2023 (2 years and 10 months)
    Hoofddorp, Netherlands
    • Built and operated a GCP-based analytical data platform supporting multiple logistics and operational domains.
    • Designed scalable ELT pipelines ingesting multi-domain enterprise datasets (logistics, orders, customer, company) and SaaS platforms (Salesforce, Google Ads) into a GCP-based data platform.
    • Delivered self-service PySpark/SQL templates enabling 50+ analysts to build and schedule jobs independently, significantly increasing platform self-service capabilities.
    • Implemented CI/CD pipelines for automated testing and deployment of data pipelines, improving reliability and release consistency.
    • Enabled lakehouse data exploration through Superset, allowing analysts and product teams to query platform datasets directly.
    • Operated platform infrastructure on GKE including orchestration, compute runtime, and monitoring of production data workloads.
    Google Cloud Platform (GCP) Python SQL Terraform CI/CD Management
  • FedEx
    Data Engineer
    May 2020 - November 2020 (6 months)
    Hoofddorp, Netherlands
    • Built data pipelines and microservices for the O2P migration (TNT -> FedEx).
    • Developed orchestration tooling for hourly migration across users.
    • Built an MVP with scheduled PySpark SQL jobs + microservices for automated campaign engagement (Salesforce/Adobe Target).
    SQL Microservices Architecture CI/CD Management Python Google Cloud Platform (GCP)

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Education

  • MSc Biomedical Engineering
    University of Groningen
    2016
    MSc
  • BSc Biomedical Engineering
    South China University of Technology
    2014
    BSc Biomedical Engineering

Skill set

Categories