Backend Engineer (m/f/d)

About Freshflow

€72 billion worth of fresh food is wasted every year in European grocery retail.

Freshflow is building the AI Operating System for the Fresh Food Supply Chain — starting with ordering and inventory optimization for fresh produce departments.

We work with some of the largest retailers in Germany and France — EDEKA, REWE, Carrefour, Intermarché, and E.

Leclerc — reducing waste by ~24% while improving on-shelf availability.

We're growing revenues 400% year-over-year, backed by World Fund and Capnamic, and just getting started.

The role

Freshflow is a B2B Saa S product that helps grocery stores optimize fresh-food ordering.

We use machine learning to predict demand and generate order recommendations, reducing food waste and stock-outs.

Our customers are some of the biggest retail chains across Germany and France.

You'll own the backend services that power the Freshflow platform.

We're a small team and you'll get exposure to every part of our product — ingesting data from customers, processing it, integrating our AI services, and serving data to our app and external systems.

• What you'll work on
• APIs — build and maintain the REST APIs that serve order recommendations to the mobile app and white-label partners, handle order submissions, and those we use internally.
• Partner integrations — receive data and route finalized orders to supplier systems via different means. Build new integrations as we onboard retail chains.
• Data delivery — bridge the analytical layer and the mobile app: read computed recommendations from the warehouse, denormalize them, and write them to an operational store the app can sync from.
• Infrastructure — provision and manage the cloud resources these services run on (compute, databases, messaging, secrets).

What we're looking for

• Strong Python experience — you'll write Fast API services, Pydantic models, async code and background workers.
• Experience with Postgre SQL and at least one document database (Firestore, Mongo DB, Dynamo DB). You'll work with both daily.
• Experience with REST API design — you'll build APIs that both internal UIs and external partners consume (versioning, auth, rate limiting, documentation).
• Understanding of authentication and authorization patterns (OAuth 2.0, JWTs, role-based access control).
• Understanding of multi-tenant data isolation (row-level security, path-based isolation, scoped tokens).
• Experience with GCP or an equivalent cloud platform.
• Nice to have
• Experience with Big Query or similar columnar warehouses.
• Terraform or equivalent Ia C experience.
• Experience building sync protocols for mobile or offline-first apps.
• Exposure to B2B Saa S or the grocery/retail domain.
• How we work
• Small team, high ownership, minimal process overhead.
• Python backend, dbt for analytical data transformation, Flutter for mobile, Airflow for orchestration.
• Everything on GCP: Cloud Run for compute, Big Query for analytics, Firestore for operational data.
• We're a small company and you need to be comfortable in an unstructured environment.

Freshflow is proud to be an equal opportunity employer.

This means that we don't discriminate based on race or ethnic origin, color, the language(s) you speak, where you (or your parents) are from, whether or not you consider yourself to have a disability, your age, gender, gender identity, sex, sexual orientation, religion, beliefs, or political opinions.

We're a diverse team in many ways, and we love it that way.

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