Senior Data Engineer – Flexibility

Role Overview

• Shape the Future of Energy: You build and optimize data products that intelligently connect and orchestrate millions of decentralized energy resources worldwide.
• Develop Advanced Data Workflows: You design and implement scalable clustering and forecasting workflows based on asset measurements and complex time-series data.
• Empower Energy Trading: You deliver the precise evaluations and predictions necessary for high-stakes decision-making and trading on the wholesale energy market.
• Solve Scalability Challenges: You apply solid engineering and creative problem-solving to ensure millions of individual assets work together in perfect concert.
• Drive Sustainable Impact: You collaborate with a growing team to deliver high-quality, impactful solutions that accelerate the global transition to a fully renewable energy system.

Requirements

• Production-Grade Track Record: You have hands-on experience working on real-world projects with a proven history of delivering robust data solutions into production.
• Focus on Stabilization: You take full ownership of system reliability, actively monitoring and stabilizing workflows to ensure continuous, high-quality operations.
• Time-Series Expertise: You are comfortable working with large-scale time-series data and deeply understand the unique structural and processing challenges it presents.
• Technical Skills & Core Stack
• Programming & Data Wrangling: You have solid experience writing clean, maintainable code for complex data manipulation and transformation tasks. While our forecasting ecosystem relies on Python, Polars, and Pandas, at gridX, our main programming language is Go. Strong proficiency in equivalent languages or data wrangling frameworks is highly welcome.
• Database Mastery: You command strong SQL skills. We rely heavily on ClickHouse, experience here is a highly valued asset.
• Cloud & Infrastructure: You have practical experience provisioning and managing scalable infrastructure using AWS, Kubernetes, and Terraform.
• MLOps & Orchestration Workflow Management: You are experienced in building and orchestrating complex data pipelines and ML workflows. We utilize Metaflow, Argo, and MLflow, but practical experience with any comparable orchestration and model lifecycle tools is fully transferable.
• Rigorous Validation: You thoroughly test, validate, and benchmark models and data products prior to deploying them into live environments.
• Observability: You maintain clear visibility over production systems and possess practical experience setting up metrics and alerting dashboards using Grafana.

Tech Stack

• AWS
• Cloud
• Grafana
• Kubernetes
• Pandas
• Python
• SQL
• Terraform
• Go

Benefits

• Flexible & mobile working: Work remotely for up to 70 days from anywhere in the EU
• Vacation: 30 vacation days + 0.5 days of special leave for both December 24th and 31st
• Health & Sports: 30 Euro allowance for Urban Sports Club or E-Gym Wellpass as well as offers for company health management & (Mental) Health Care
• Personal development: cross-functional coaching, access to e-learning platforms & an annual development budget of 1,500 euros per employee
• Employee discounts: Access to gridX Corporate Benefits
• Stay fit and save the planet with our JobRad offer
• Receive a fair monthly contribution to your company pension plan
• City travel subsidy: 30 Euros monthly allowance for your monthly/annual ticket
• Modern workplace in the heart of Aachen and Munich with IT equipment of your choice
• Relocation Support: We support your relocation to Germany
• Experience the gridX culture at regular team events and receive an additional 100 Euros per employee for your department event
• We will donate 20 Euros to a charity of your choice on your birthday
• Sabbatical option: Take a break from your daily work routine to pursue personal projects, travel, or further education.