Senior Python Developer (all genders)

Department: IT

Employment Type: Permanent employee

Schedule: Full-time

Seniority: Experienced

Location: Berlin

We’re seeking a seasoned Senior Python Developer who enjoys solving real-world operational puzzles to join our team. At Sunday Natural, our digital products are the invisible engine behind our premium nutrients, from raw material sourcing to final production. In this role, you won’t just be writing code; you will be the technical architect ensuring our software systems perfectly mirror our physical supply chain. You’ll act as a vital bridge between our engineering core and our Manufacturing and Supply Planning departments, building the robust tools that keep our global operations running with scientific precision.

Key Responsibilities:

• Backend Architecture: Design and implement scalable Python services that form the backbone of our production and logistics infrastructure.

• Operational Partnership: Collaborate closely with Supply Planning and Manufacturing stakeholders to translate complex physical workflows into intuitive, automated software solutions.

• Process Automation: Develop and optimize backend logic for inventory management, production scheduling, and demand forecasting to eliminate manual friction.

• System Evolution: Support the continuous improvement and integration of our Odoo ERP environment, ensuring data flows seamlessly across the entire business.

• Mentorship & Quality: Lead by example with high-quality, testable code and provide technical guidance to the wider team to foster a culture of engineering excellence.

• 6+ years of professional experience in backend development with a mastery of Python and its modern frameworks (e.g., FastAPI, Django, or Flask).

• Stakeholder Bridge-Builder: Proven track record of working directly with operational teams like Manufacturing, Supply Planning, or Logistics to solve business-critical bottlenecks.

• Domain Awareness: You understand the logic behind supply chain processes—such as lead times, Bill of Materials (BOM), and inventory cycles—and know how to model them in code.

• Data Mastery: Deep knowledge of PostgreSQL or other relational databases, with the ability to optimize performance for complex, high-volume transactions.

• Architectural Mindset: You prioritize stability, maintainability, and clean code, with a strong commitment to TDD and Git-based CI/CD workflows.

• Bonus Points: Experience with Odoo (OpenERP) is a strong plus

• An appealing discount on all of our products – from essential oils to vitamins & nutrients
• We offer 28 days of paid time off per year plus up to 5 days off between Christmas and New Year
• The Urban Sports Club membership, Swapfiets bike rental and a subsidy for the Deutschland Ticket
• We believe great things happen when we work flexibly, which is why we embrace a hybrid model with up to four home office days –up to five depending on the business need– and up to two weeks per year working from abroad.
• Receive various discounts of up to more than 50 percent on attractive brands such as Flaconi, Bosch, Apple or Expedia
• You will be given real ownership and plenty of room for new initiatives, as well as the opportunity to contribute your expertise and implement your great ideas
• Inviting office spaces with access to plenty of organic teas and superfoods from around the world
• We like to celebrate each other! Regular tea & office parties, Christmas and summer feasts and various influencer events such as Women's Day