Full Stack Software Engineer CatMan Apps (mfd)

MediaMarktSaturn; Barcelona; Presencial; EUR 40.000 - 70.000; Jornada completa

Descripción de la vacante

A leading technology firm in Barcelona is seeking a software developer to design and maintain backend services and APIs. The ideal candidate will have over 3 years of experience with NestJS, GraphQL, and cloud technologies like Google Cloud Platform. Join a dynamic environment that promotes innovation and offers flexibility in work arrangements.

Servicios

10% discount on the entire MediaMarkt website

Flexible working time with home office options

Training budget for professional development

Language classes: English, Spanish and German

Birthday day off

Cutting-edge technology stack

Formación

• 3+ years of professional experience in software development.
• Strong expertise in NestJS framework.
• Deep experience with GraphQL.
• Proficiency in database management and query optimization for MongoDB and PostgreSQL.
• Solid understanding of React and its core principles.
• Hands-on experience with Terraform for Infrastructure as Code.
• Familiarity with Google Cloud Platform services.
• Experience with Docker and Kubernetes.
• Knowledge of BigQuery and Looker Studio.
• Strong understanding of RESTful APIs and microservices architecture.
• Excellent problem-solving, communication and collaboration skills.

Responsabilidades

• Design, develop, and maintain backend services and APIs using NestJS.
• Ensure data integrity, performance, and scalability with PostgreSQL and MongoDB.
• Develop frontend applications and components with React.
• Manage infrastructure using Terraform in Google Cloud Platform.
• Deploy, monitor, and scale applications using Docker and Kubernetes.
• Analyze large datasets with Google BigQuery.

Conocimientos

NestJS framework

GraphQL

PostgreSQL

MongoDB

React

Terraform

Google Cloud Platform

Docker

Kubernetes

BigQuery

CI/CD pipelines

Descripción del empleo

Responsibilities

• Design, develop and maintain backend services and APIs using NestJS.
• Work with relational (PostgreSQL) and NoSQL (MongoDB) databases ensuring data integrity, performance and scalability.
• Design, develop and maintain frontend application and components with React.
• Develop and manage infrastructure as code using Terraform to provision and maintain cloud resources in Google Cloud Platform (GCP).
• Deploy, monitor and scale applications using containerization technologies primarily Docker and Kubernetes.
• Utilize Google BigQuery for querying and analyzing large datasets.
• Write clean, maintainable and well‑tested code adhering to best practices and coding standards.
• Participate in code reviews, technical design discussions and troubleshooting.

Qualifications

• 3+ years of professional experience in software development.
• Strong expertise in NestJS framework.
• Deep experience with GraphQL.
• Proficiency in database management and query optimization for MongoDB and PostgreSQL.
• Solid understanding of React and its core principles (hooks, state management).
• Hands‑on experience with Terraform for Infrastructure as Code.
• Familiarity with Google Cloud Platform services (Compute Engine, Cloud Functions, Cloud SQL, etc.).
• Experience with containerization using Docker and orchestration with Kubernetes.
• Knowledge of BigQuery for data warehousing and analysis.
• Knowledge of Looker Studio for creating reports and dashboards.
• Knowledge of microfrontends architecture and best practices for large decoupled front‑end applications.
• Strong understanding of RESTful APIs, microservices architecture and system design.
• Experience with version control systems (e.g., Git).
• Excellent problem‑solving, communication and collaboration skills.
• Bonus: Experience with CI/CD pipelines (Cloud Build, Jenkins), modern security practices in software development and deployment, and fast‑paced Agile environment.

About Us

MediaMarktSaturn Technology is working to make Europe’s number‑one consumer electronics retailer the technology leader in its industry. Several hundred developers, UX designers and system architects use state‑of‑the‑art technology to develop customer‑focused solutions for more than 6 million customers every day across 13 countries.

Benefits

• Dynamic environment that encourages contribution and culture co‑creation.
• 10% discount on the entire MediaMarkt website.
• Flexible Pay MediaFlex program (Ticket Restaurant, Private Health Insurance with DKV).
• Flexible working time with home office or on‑site options.
• Choice between two offices: MediaMarkt Iberia HQ (attractive menu) or Pier01 in Barceloneta (free coffee and fruit).
• Visa support available.
• Training budget for professional development.
• Language classes: English, Spanish and German.
• Birthday day off.
• Cutting‑edge technology stack.

Job Info

Location: Barcelona El Prat De Llobregat

Department: HQ - IT

Entry Level: Professional Level

Type of Employment: Full Time

Working Hours: 40

Recruiter: Angela Paredes Huanca