Data Engineer & Scientist (f/d/m)

CEEZER; Berlin; Vor Ort; EUR 55.000 - 75.000; Vollzeit

Zusammenfassung

A sustainability technology firm in Berlin is seeking a Data Engineer & Scientist to design and maintain data pipelines and improve data workflows. The role requires strong skills in Python and SQL, and experience with large language models. This opportunity offers a chance to work on impactful climate solutions within a growing team focused on net-zero initiatives.

Leistungen

Free Urban Sports Club membership

Discounted public transport

Company pension scheme

Team events and offsites

Qualifikationen

• Around three years of experience as a Data Engineer or Data Scientist.
• Experience with building and maintaining data lakes or similar architectures in a cloud environment.
• Ability to lead projects with multiple stakeholders.

Aufgaben

• Own, design, implement, and maintain data pipelines using Python and Airflow.
• Explore and implement use cases with LLMs to improve data workflows.
• Collaborate with product, engineering, and operations to understand data needs.

Kenntnisse

Python

SQL

Data processing and automation

OpenAI APIs

Communication skills

Tools

Airflow

AWS S3

AWS Lambda

Jobbeschreibung

Overview

Are you ready to make a real impact? Are you excited by the opportunity to grow your coding skills while unlocking climate action for enterprise organizations? Then join CEEZER and help companies across the globe to leverage a truly impactful solution that is finally fixing how companies get to net-zero using the voluntary carbon market and data-led insights. Use your skills to tackle one of the most critical challenges humanity has ever faced: climate change.

We are looking for a versatile Data Engineer & Scientist (f/d/m), who will play a key role in structuring and operationalizing our data, enabling teams to access insights and tools without relying on spreadsheets or manual workarounds.

Your Mission

• Own, design, implement, and maintain data pipelines using Python (and Airflow).
• Explore and implement use cases with large language models (LLMs) to improve data workflows and automation.
• Structure and optimize our data lake and warehouse environments.
• Integrate and manage data in AWS using S3 and Lambda.
• Support the migration from Google Sheets to scalable and automated data systems.
• Build internal data interfaces using low-code or no-code tools, enabling non-technical users to input and retrieve data easily.
• Collaborate with product, engineering, and operations to understand data needs and co-design solutions.

What You Need To Succeed

• Around three years of experience as a Data Engineer or Data Scientist
• Strong Python skills for data processing and automation, knowledge of Airflow is a plus.
• Excellent SQL proficiency.
• Experience working with LLMs:
• Implementation of OpenAI APIs for data automation and enrichment.
• Prompt engineering for dynamic queries and natural language interfaces.
• Experience with model evaluation and fine-tuning is a plus.
• Proven track record in building and maintaining data lakes or similar architectures in a cloud environment.
• Experience in analysing and modelling risk data sets is a plus.
• Ability to lead projects with multiple stakeholders.
• Excellent oral and written communication skills in English.
• A valid working permit in Germany.

What’s In It For You At Ceezer

• A mission that matters: Join a rapidly growing, dynamic team of international changemakers who are passionate about solving the world’s most pressing challenge and help shape a sustainable, net-zero future.
• A learning culture: Take your skills to the next level with exciting growth opportunities, hands-on learning experiences, and access to resources designed to fuel your professional journey in a start-up that prioritizes learning and growth.
• A diverse environment: Thrive in an inclusive environment where diversity is celebrated, and your unique perspective helps us flourish as a team.
• A net-zero career: From day one, your professional and personal carbon footprint is neutralized—because at CEEZER, sustainability isn’t just our mission, it’s how we operate.
• An attractive package: Enjoy perks like free Urban Sports Club membership, a discounted public transport, a company pension scheme, team events and offsites, and more…

Excited To Create Impact With Us?

If you don\'t meet every requirement but have exceptional strengths that could make you excel in this role, we\'d love to hear from you. Apply now and let\'s discuss your potential.

The recruitment process entails the following:

• An intro call with the People Team.
• A 1-hour call with our SVP Tech, Felipe.
• A deep dive case study with two members from the Tech team.
• A final call with Carla, our Chief Impact Officer.

We prohibit discrimination or harassment of any kind and make employment and other employee lifecycle decisions based solely on merit, skills, and potential. We actively work to recognize and address unconscious biases, fostering an environment where all individuals feel valued and empowered to succeed. We welcome diverse applicants and are dedicated to providing equal opportunities for everyone to thrive. Please let us know if you have any specific needs regarding this application process.

About Us

Ambitious goals require ambitious people. We help global enterprises achieve their climate goals reliably, measurably, and on-time.

CEEZER is the leading partner for carbon credit procurement and management, empowering organizations to transform climate ambition into a clear path to net-zero. We offer transparent access to high-quality climate projects worldwide, combining proprietary risk assessment technology with expert guidance. Our industry-leading platform supports enterprises in designing, procuring, and managing carbon portfolios tailored to their sustainability goals, enabling real-time monitoring, framework-compliant reporting, and multi-stakeholder engagement. Trusted by major organizations including Deutsche Telekom, LGT, and Nasdaq, CEEZER provides the confidence needed to implement effective climate action strategies. For more information, visit ceezer.earth.