Senior Backend Developer

Mitte, Berlin💼 Full-time🗓 2026-05-21 → 2026-08-07

Core

Develop and extend a data processing pipeline handling over five billion products daily, managing connectors and legacy processing engines.

Role type

Senior Backend Developer (PHP/Symfony)

Builds

Data processing pipelines, connector lifecycle management, and modernization of legacy systems.

Domain

E-commerce data infrastructure, high-volume product data processing

Deliverable

production ML models | product features | infrastructure

Required skills

PHP 8.3, Symfony 7.x, Domain-Driven Design, CQRS, Sagas, hexagonal architecture, messaging architectures (queues, event buses), Linux CLI services, Docker, Kubernetes

Preferred skills

Modernization of legacy codebases, architectural decision making, mentoring engineers

Technologies

Kafka, Redis, MySQL, MariaDB, SQLite, DuckDB, S3/CEPH, Prometheus, Graylog, Grafana, Keycloak, Vault, OpenAPI, Jenkins

Responsibilities

Build deep understanding of connector lifecycle across configuration, orchestration, and processing layers; Drive incremental modernization from legacy stack to new services; Contribute to overall architecture of the connector platform; Mentor other engineers within and across teams.

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About productsup

Productsup is a Berlin-based company with a strong international customer base, and we’re looking to rapidly scale our internal operations to support our global growth. In this role, you’ll support our team in developing and extending our data processing pipeline, which processes over five billion products per day. In doing so, you will be supported by a scalable on-prem infrastructure and a team of highly talented developers. Most importantly, you’ll have room to bring your own individual solutions to the table and impact our product.