Senior Data Scientist (f/m/x)

exmox GmbH; Hamburg; Hybrid; EUR 60.000 - 90.000; Vollzeit

Zusammenfassung

A mobile marketing agency in Hamburg is seeking a Data Scientist to conduct exploratory data analysis, develop predictive models, and manage data pipelines. The ideal candidate has over 4 years of experience in data science, strong skills in Python and SQL, and is comfortable engaging with diverse teams. This position offers a flexible hybrid work model and a range of perks including professional development support.

Leistungen

30 days paid vacation

Public transportation tickets

Annual education budget of 1,500€

Annual workation opportunities

Gym membership - Wellpass

Monthly team lunches

Daily fruits and vegetables

Flexible working hours

Qualifikationen

• 4+ years of hands-on experience applying data science methodologies in production environments.
• Strong proficiency in Python and SQL for data manipulation and model development.
• Proven experience deploying machine learning models at scale.

Aufgaben

• Conduct deep-dive exploratory data analysis to identify trends and predict user behavior.
• Design and develop predictive models and recommend strategies.
• Build and maintain scalable data pipelines for data ingestion and transformation.

Kenntnisse

Python (Pandas, NumPy, Scikit-learn, PyTorch)

SQL

Data Science Methodologies

Cloud Platforms (Databricks)

Big Data Technologies (Spark)

Communication

Problem-Solving

Tools

MLflow

Jobbeschreibung

Overview

Your mission

→ You actively shape your position, we want you to get involved and contribute ideas!

Responsibilities

• Exploratory Data Analysis & Insights: Conduct deep-dive exploratory data analysis (EDA) to identify trends, predict user behavior and optimize key performance metrics (e.g., retention, ROAS).

• Machine Learning & Predictive Analytics: Design, develop, and deploy advanced machine learning models for predictive analytics, recommendation systems and anomaly detection.
• Optimize data-driven strategies through AI/ML applications.

• Data Engineering & Pipeline Development: Build and maintain scalable data pipelines for data ingestion, transformation and high-quality model inputs.

• A/B Testing & Experimentation: Design and execute rigorous A/B tests to validate hypotheses and assess the impact of new features.

• AI/ML Integration & Collaboration: Work closely with engineering and product teams to integrate AI/ML solutions into enterprise applications. Ensure smooth deployment and scalability of machine learning models.

• Data-Driven Leadership & Best Practices: Act as a thought leader, promoting data-driven decision-making and implementing best practices across the company.

Your profile

Must-Have

• Experience: 4+ years of hands-on experience applying data science methodologies in production environments.
• Technical Skills: Strong proficiency in Python (Pandas, NumPy, Scikit-learn, PyTorch) and SQL for data manipulation and model development.
• Experience with cloud-based platforms (Databricks) and big data technologies (Spark).
• Proven experience deploying machine learning models at scale.
• Communication & Collaboration: Ability to explain complex mathematical and ML concepts to both technical and non-technical stakeholders.
• Strong problem-solving skills and a team player mindset.
• Comfortable mentoring others and advocating for software engineering best practices in data science.

Nice to Have

• Familiarity with advanced experimentation techniques (causal inference, A/B testing, media mix modeling).
• Experience with deep learning and time series forecasting for business applications.
• Hands-on experience with ML monitoring tools (e.g., MLflow).
• Background in AdTech or marketing analytics.

Even if you don’t meet every requirement, we encourage you to apply! We value diverse skills and perspectives and you may bring something unique to the team.

Why us?

• Work Life Balance: We value rest and work life balance, we offer you 30 days of paid vacation days

• Commuter Benefits: We provide you with public transportation tickets

• Professional Development: We support you in deepening your skills and provide you an annual education budget of 1.500€

• Workation: Combine Vacation with work: we offer annual workation opportunities

• Gym membership - Wellpass: With Wellpass you can use more than 7000 Spas/ Gyms/ etc. in Germany

• Catering: We offer monthly team lunches, daily fruits and vegetables and every beverage you could wish for

• Flexibility: Benefit from flexible working hours and working from home

• Diversity: We are an international team of talented people with different cultural backgrounds

• Fun and Games: We have a big socializing area to make room for having relaxing activities within the working day

• Desk Setup: Wherever you work, we will provide you with your workspace utensils

Please note: this is not a remote only position, we offer you a flexible hybrid model here in Hamburg, Germany - Working from home on Monday and Friday.

About Us

Welcome! Bonjour! Selam! Olá! Hej! We are exmox - a Hamburg based mobile marketing agency, connecting advertisers with their highest value users through our owned and operated apps. We created an innovative business model that focuses on rewarding users for testing and engaging with the apps of our clients. Our products are available in DACH, US, UK & Canada.

Right now round about 60 employees from all over the world are working here with us in Hamburg. We are a divers & funny team, always looking for new talents to join us. Looking forward to meeting you!