(Senior) Data Engineer (m/f/d)
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 9, 2026. yoummday scores A on the Alion truth index.
Your mission
We are looking for a (Senior) Data Engineer (m/f/d) in Berlin. You will work closely with the Head of Data Products and expert teams to develop innovative solutions and successfully implement our data strategy.
Data Lake & Warehouse Management: You will be responsible for our Data Warehouse, Lakehouse, and associated processes. You ensure high data quality and fast, reliable data provisioning for our business stakeholders across the entire data value chain.
Data Operations & Infrastructure: In close collaboration with our DevOps and Security teams, you will develop and implement data infrastructure in a hybrid environment (on-premise and cloud). You will actively shape the data architecture and work on programmatic provisioning of the infrastructure.
Reporting & Analysis: You will contribute to creating detailed reports and in-depth analyses to advance our data strategy. You will quickly identify bottlenecks and sources of errors, independently implement requirements for stable and secure data provisioning.
Data Quality & Optimization: You will actively improve data quality and flows, identify optimization potential, and implement solutions to continuously enhance the data infrastructure.
Data Availability & Standardization: You will implement data integrations using scripts and platform methods and be part of the team standardizing data provisioning across the organization to ensure consistent and reliable data availability.
Your skillset
Academic Foundation: You hold a degree in Computer Science, IT, Mathematics, or a related field, and successfully apply your solid theoretical knowledge in practice.
Technical Expertise: You have extensive knowledge in SQL, Python, statistics, and database design, mastering the entire data pipeline. You continuously develop efficient solutions to optimize our data processes.
Entrepreneurial Spirit: You act proactively in a dynamic environment, developing results-oriented solutions that promote both short- and long-term business goals.
Communication Skills: You present complex technical topics clearly and understandably in both German and English, effectively conveying them to all relevant stakeholders.
Practical Approach: You demonstrate a pragmatic, goal-oriented approach and implement projects efficiently, always focusing on scalability and sustainability.
Your winning deal
Your benefits: In addition to 30 days of vacation, we also offer you a job lunch allowance (€69 per month), a "Givve" card (topped up with €50 per month), discounts via "Corporate Benefits", the option of leasing a JobRad, pension contributions (occupational pension & VL) and great team and company events.
Your workplace: You will work in a flexible, hybrid model from one of our dog-friendly and modern office in Berlin Kreuzberg and will have the opportunity to do "work from abroad" within the EU for 2 weeks a year (*only applies to employees with an EU passport).
Your footprint: A position in a profitable company where you have the freedom and confidence to help shape it and work with us on the "future of work".
The values: We score highly with an open, authentic culture and a high-performing and humorous team that is already looking forward to making bold decisions with you and breaking new ground that will lead us to sustainable success.
Your opportunity: From day one, you will have the opportunity to take on responsibility, drive innovation and develop the company and yourself together with a team of experts.
About us
Are you looking for a profitable scale-up that offers you long-term prospects and a disruptive business model with a growth-oriented corporate culture? Do you also want to grow beyond the usual standards, bring your own initiative and appreciate actively shaping topics?
Then yoummday is the right place for you!
yoummday: “ You made my day ” - As an innovative SaaS platform, we connect companies with highly qualified freelance call center agents (“Talents”) worldwide. Our digital solution enables flexible, scalable and efficient customer support - without the need for traditional call center structures. We are a family-run Munich-based scale-up with over 350 employees (“Daymakers”) at 5 locations in Europe and 1 in the USA - further growth is inevitable ;).
Become part of our team and set new standards in AI-supported customer service with us to create smart, data-driven solutions that inspire.
At yoummday, we value diversity and equal opportunities. We welcome applications regardless of gender, background, age, sexual orientation, religion, or disability. Different perspectives make us stronger - which is why we actively promote an inclusive work environment where everyone can reach their full potential.