Senior Backend Engineer (m/w/d) - Checkout - Hamburg or Berlin (hybrid)

Stellenbeschreibung:

Overview

We’re looking for a Senior Backend Engineer (m/f/d) to join our Checkout Team within the Checkout Unit – onsite in Hamburg or remotely within Germany.

Our team ensures a seamless shopping experience by managing the entire order lifecycle – from cart to payment, including chargebacks, refunds, and promotions. A key focus is COBA, a core backend service handling orders, payments, and customer data.

Responsibilities

You can take a business problem, translate it into a technical problem, and work with the team to ensure it is properly designed, planned, and delivered.
Help envision and work hand-in-hand with other colleagues to develop a scalable software architecture for our API written in PHP.
Embrace modern agile software development methodologies and extreme programming practices such as TDD and pair programming.
Extensive tech stack: use the right tools for the right tasks without being dogmatic about it.
Plenty of room for your ideas and creations, flat hierarchies, and very short decision paths.

Who you are

Proactive problem solver with a strong sense of responsibility and eager to learn
Able to handle complex technical tasks independently
Team player, ensuring high-quality, technically sound solutions that amplify team efforts
5+ years of experience with PHP, with a strong focus on modern development
Proven expertise in Symfony or Laravel, following best practices for scalable applications
Golang experience is a plus
Solid understanding of engineering principles and software architecture
Strong experience with MySQL & Redis
Fluent English communication skills