Senior Data Engineer

Your mission

• End-to-End Development: Design, develop, and deploy scalable, maintainable, efficient, and reliable applications using Python 3, FastAPI or Flask, with optional use of Angular. Ensure seamless integration of back-end components.
• Big Data Management: Handle (near) real-time big data environments, managing and processing datasets starting from terabytes with precision and efficiency.
• ETL Processes: Design, implement, and manage ETL (Extract, Transform, Load) processes to ensure efficient data handling through its entire lifecycle.
• Performance Optimization: Implement caching services like Redis to improve application performance.
• Data Pipelines: Develop and manage data pipelines using Airflow.
• Mentorship: Provide guidance and mentorship to junior developers, fostering a culture of continuous learning and improvement within the team.
• Architecture & Design: Collaborate with architects and other developers to design robust, high-performance, secure application architectures.
• Collaboration: Work closely with product managers, designers, and other stakeholders to understand requirements, provide technical insights, and ensure the successful delivery of features.
• Code Quality & Best Practices: Write clean, efficient, and well-documented code while setting and maintaining high standards for code quality through code reviews, testing, and automated tooling.
• Containerization: Containerize applications using Docker and manage container orchestration with Kubernetes.
• Infrastructure Management: Create and manage infrastructure using Helm Charts and Terraform.
• Cloud Deployment: Deploy and manage applications on AWS cloud platforms, including S3, ECR, EKS, RDS, and EFS.
• Data Visualization: Create data visualizations using Plotly.
• CI/CD Implementation: Implement CI/CD pipelines using GitHub.
• Troubleshooting & Optimization: Troubleshoot and resolve application issues while optimizing performance.

• Experience: You have a minimum of 5 to 7 years of professional experience as a Data Engineer, particularly with Python 3, FastAPI, or Flask, and optional familiarity with Angular. You have a strong track record of designing and deploying scalable applications across backend components and, optionally, front-end components.
• Big Data Management: You possess deep knowledge in managing (near) real-time big data environments, dealing with datasets starting from terabytes. You have implemented processes to efficiently handle, analyze, and process large volumes of data within strict deadlines.
• ETL Processes: You are proficient in implementing ETL (Extract, Transform, Load) processes, ensuring effective and efficient data handling throughout its lifecycle.
• Deep Understanding: You have in-depth knowledge of software development methodologies, RESTful APIs, microservices architecture, and CI/CD pipelines.
• Problem-solving: You have strong analytical and problem-solving skills and can tackle complex technical challenges.
• Communication: You have excellent communication and interpersonal skills and can convey complex technical concepts to non-technical stakeholders.
• Adaptability: You thrive in a fast-paced, dynamic environment and can manage multiple priorities and projects simultaneously.
• Language Skills: You have a good command of the English language. German is a plus.

Nice to Have:

• Experience with Dash Framework for data visualization.
• Familiarity with other cloud platforms and technologies.

Why us?

• Flexible hours.
• Work-from-home options.
• Low hierarchies and open feedback culture.
• Open & international environment.
• Modern offices are in Mainz.
• English is the company language and is used in international working environments.
• Attractive development perspectives with creative freedom for growth.
• Shape the future circular battery space and the green energy transition.