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MediaMarktSaturn

. Develop value-adding features for customers following Clean Code principles .

Posted 10/14/2026full-timeBarcelona • SpainMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in front-end and back-end technologies, including HTML5, CSS3, JavaScript/TypeScript, Kotlin, and Node.js, while applying Clean Code principles and DevOps practices. Proficient in cloud platforms, API design, and microservices architecture, with a strong focus on application performance and maintainability.

Highest-signal resume keywords

HTML5CSS3JavaScript/TypeScriptKotlinNode.js

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactExpressSpring BootAPI DesignSQLPostgreSQLMySQLMongoDBGitKubernetes

Soft Skills

Team CollaborationKnowledge SharingAdaptabilityConstructive CommunicationProblem Solving

Tools & Technologies

Google CloudCI/CD PipelinesTerraformHelmFluxGrafanaPrometheusKibanaPayment GatewaysStripe

Industry Keywords

Microservices ArchitectureClean Code PrinciplesDevOps PracticesWeb Application SecurityPerformance Optimization

Tech Stack

Tools & technologies

CloudFluxGrafanaJavaJavaScriptKotlinKubernetesMicroservicesMongoDBMySQLNode.jsNoSQLPostgresPrometheusReactSpringSpring BootSpringBootSQLTerraformTypeScript

About the role

Key responsibilities & impact

Develop value-adding features for customers following Clean Code principles
Take responsibility for team services from requirements analysis through operation using DevOps practices
Make architectural decisions to ensure application performance, robustness, and maintainability
Support the transition from on-premise systems to the cloud
Share knowledge with colleagues and contribute to team growth
Analyze recurring support requests and implement automated solutions in code
Foster open, honest, and constructive team discussions
Work on the Payment & Basket Platform team’s core stack and improve developer experience

Requirements

What you’ll need

Experience in front-end technologies such as HTML5, CSS3, JavaScript/TypeScript, and frameworks like React
5+ years of professional experience working with Kotlin
Strong knowledge of backend technologies and frameworks like Node.js, Express, and Spring Boot
Extensive experience in API design and integrating microservices in a fault-tolerant and RESTful manner
Experience with SQL databases such as PostgreSQL and MySQL
Experience with NoSQL databases such as MongoDB
Knowledge of version control systems such as Git
Proficiency in cloud platforms, preferably Google Cloud
Experience with CI/CD pipelines
Understanding of payment gateways and integrations such as Stripe and PayPal
Familiarity with web application performance optimization techniques
Solid knowledge of object-oriented programming languages, preferably Java
Practical experience with GitOps tools such as Terraform, Helm, and Flux
Practical experience with Kubernetes
Familiarity with operating business-critical services
Experience monitoring services using Grafana, Prometheus, and Kibana
Understanding of microservices architecture and implementation
Knowledge of common design patterns and testing strategies
Knowledge of security best practices for web applications
Ability to adapt to rapidly changing technologies and methodologies
Excellent English language skills, written and spoken

Benefits

Comp & perks

10% discount on the entire MediaMarkt website
Flexible Pay “MediaFlex program” including options such as Ticket Restaurant and Private Health Insurance with Adeslas
Flexible working time
Possibility to combine home office / presential working
Intensive workday every Friday and during summer
Choice between two offices
Meals for less than €4 at the MediaMarkt Iberia HQ
Free coffee and free fruit once a week at the Pier01 office
Training budget
Language classes in English, Spanish, and German
Paid day off on your birthday
Cutting-edge technological stack
Training plan
Flexible working schedule and home office policy
Gym
Product discounts
Wellness and healthy plans