Full-Stack Engineer, Payments & Basket | Flexible & Cloud

MediaMarktSaturn Retail Group; Barcelona; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Young environment

MediaMarkt discount

MediaFlex program

Flexible working hours

Two offices in Barcelona

Training budget

Language classes

Birthday off

Cutting-edge tech stack

Job summary

MediaMarktSaturn Technology in Barcelona seeks an experienced backend developer to join the Payment & Basket Platform team. You will design and implement value-adding features, follow Clean Code, and own services from development to operation in a cloud-centric environment.

You will work with Kotlin, Node.js, and Java, contribute to API design, microservices, and IaC tooling (Terraform, Helm, Flux), and collaborate across teams to ensure high performance, reliability, and security in a

Qualifications

• 5+ years of professional experience with Kotlin.
• Strong knowledge of backend technologies and frameworks (Node.js, Express).

Responsibilities

• Develop value-adding features for customers following Clean Code principles.
• Embrace DevOps and own services from requirements to operation.
• Make architectural decisions for high performance, robustness, and maintainability during cloud transition.
• Share knowledge and grow the team.
• Address recurring support requests with automated code solutions.
• Foster open, honest team discussions with confident yet reflective communication.

Skills

Kotlin

Backend development

Node.js/Express

Microservices

SQL

NoSQL

Git

Cloud platforms

CI/CD

Payment gateways

Java

GitOps

Kubernetes

Monitoring tools

API design

Tools

Quarkus

Spring Boot

PostgreSQL

MySQL

MongoDB

Git

Terraform

Helm

Flux

Kubernetes

Grafana

Prometheus

Kibana

Stripe

PayPal

Job description

MediaMarktSaturn Technology in Barcelona seeks an experienced backend developer to join the Payment & Basket Platform team. You will design and implement value-adding features, follow Clean Code, and own services from development to operation in a cloud-centric environment.

You will work with Kotlin, Node.js, and Java, contribute to API design, microservices, and IaC tooling (Terraform, Helm, Flux), and collaborate across teams to ensure high performance, reliability, and security in a