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Henry-G TanohHT

Henry-G Tanoh

Software/Data Engineer

€667/day
Paris, FR
3-7 years

Average response time: 1 hour

About Henry-G

I am a software engineer with strong experience in distributed/data systems.
I have worked on a wide range of software systems, ranging from low-level embedded systems, to saas backend to data engineering.
I currently working on big data pipelines for ads delivery at Criteo.
I have worked with the following languages Python, C++, Scala and Go.
My skills and expertise are on the mix backend and data ops.

Let's discuss how we can work together.
  • English

    Native or bilingual

  • French

    Native or bilingual

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

Experience

  • Criteo
    Software Engineer | Data
    E-COMMERCE
    October 2024 - Today (1 year and 8 months)
    Paris, France
    Designed and implemented an automated bid reset system for real-time ad auctions, optimizing daily budget
    allocation strategies—improved campaign budget utilization by 5% through intelligent bid level adjustments at
    day-start intervals.
    Architected and optimized ETL pipelines using SQL and Spark to ingest and transform high-volume 3rd party
    attribution data into the company's sales attribution framework.
    Built a comprehensive monitoring infrastructure for ML-based forecasting API using MAPE/SMAPE metrics and
    Tableau dashboards. Continuously tracked prediction accuracy for page view forecasting models, enabling
    data-driven optimization of ML service performance
    SQL Spark ETL (Extract, Transform, Load) Processes Hadoop Hive
  • Heex Technologies
    Software Engineer
    November 2022 - September 2024 (1 year and 10 months)
    Paris, France
    • Architected and implemented an automated deployment system for edge applications that reduced installation time by 70% and eliminated common configuration errors across 100+ robot deployments.
    • Built a comprehensive CLI toolkit in Go that automated common operational tasks, reducing data retrieval time from minutes to seconds and improving client productivity.
    • Engineered high-performance data collection services in Go/C++
    • Participated in efforts to enhance database performance by implementing caching strategies and optimizing indexes.
    • Spearheaded the development of a modern documentation platform using Docusaurus, resulting in 40% faster search times through Algolia integration and improved developer onboarding.
    • Implemented OpenTelemetry integration package that tracked CPU and memory utilization across robot fleets, enabling real-time resource monitoring through custom Grafana dashboards
    • Led company-wide migration from JSON to Protobuf, reducing payload size and enforcing type safety across service interfaces
  • Connected Car Data Platform
    Software Engineer
    January 2019 - October 2022 (3 years and 9 months)
    Paris, France
    • Engineered a specialized data pipeline that captured and processed real-time telemetry data from the test vehicle fleet using AWS IoT Core
    • Developed ETL workflows with AWS Glue to transform vehicle sensor data into simulation-ready formats, enabling accurate vehicle behavior modeling
    • Implemented efficient C++ algorithms for sensor fusion with minimal memory footprint, optimizing for embedded automotive hardware constraints
    • Developed a comprehensive performance monitoring system to track and analyze system latencies across vehicle test runs

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Education

  • Ingenieur
    Grenoble INP
    2018
    Informatique et systèmes

Skill set

Categories