Senior Full-Stack Engineer

Siemens Energy; Barcelona; Híbrido; EUR 55.000 - 75.000; Jornada completa

Descripción de la vacante

A leading energy technology company is seeking a Senior Full-Stack Engineer in Barcelona. You will design and maintain innovative software solutions, working with C#, .NET, and Python, while collaborating with UX and DevOps teams. A Master's degree and 5+ years of experience in software development are required. Join us to drive digital transformation and engineering excellence in a hybrid work environment.

Formación

• 5+ years of experience delivering production-grade full-stack software solutions.
• Strong frontend expertise in modern JavaScript (ES6+).
• Hands-on experience with microservices, REST/GraphQL APIs.

Responsabilidades

• Design, develop, and maintain scalable full-stack applications.
• Build backend microservices and intuitive frontends with React.
• Deploy and operate cloud-native solutions across AWS, Azure, or GCP.

Conocimientos

C#

.NET

Python

FastAPI

React

TypeScript

AWS

Azure

GCP

Docker

Kubernetes

Terraform

CI/CD

Educación

Master’s degree in Computer Science, Software Engineering, or related field

Descripción del empleo

Senior Full-Stack Engineer

About the Role

Location Spain Barcelona Barcelona

• Country : Mexico
• State / Province / County : Ciudad de Mexico
• City : Mexico City
• Country : Spain
• State / Province / County : Madrid
• City : Madrid
• Country : Spain
• State / Province / County : Navarra / Nafarroa
• City : Pamplona
• Country : Spain
• State / Province / County : Basque Country
• City : Zamudio

Remote vs. Office Hybrid (Remote / Office) Company Siemens Energy Organization EVP Global Functions Business Unit Digital Products and Solutions Full / Part time Full-time Experience Level Experienced Professional

A Snapshot of Your Day

Join the Scalable Core team as a Senior Full-Stack Engineer, where you will design, develop, and maintain cutting-edge, cloud-native software solutions that power Siemens Energy’s intelligent digital platforms. Each day, you’ll engage with the full technology stack—crafting robust backend microservices, building responsive web interfaces, and ensuring top-notch quality through automated CI / CD and testing frameworks. You will collaborate closely with architects, data scientists, UX designers, and cloud specialists to deliver seamless, data-driven experiences that enable scalable AI and energy-management solutions. Your contributions will play a vital role in strengthening Siemens Energy’s Software Factory initiative, driving innovation, security, and developer excellence across the enterprise.

How You’ll Make an Impact

• Design, develop, and maintain scalable, secure, and high-performance full-stack applications supporting Siemens Energy’s digital and AI / ML platforms.
• Build and integrate backend microservices using C#, .NET, Python / FastAPI, or , while developing intuitive frontends with React, TypeScript, and modern UI toolkits.
• Deploy and operate cloud-native solutions across AWS, Azure, or GCP using automated CI / CD pipelines, ensuring reliability and performance.
• Ensure quality and resilience through automated testing, monitoring, and continuous improvement practices across the full stack.
• Collaborate cross-functionally with UX, DevOps, data, and product teams to align architecture with user, data, and AI / ML requirements.
• Mentor and guide developers, contribute to architecture discussions, and foster a culture of collaboration, scalability, and engineering excellence.

What You Bring

• Master’s degree in Computer Science, Software Engineering, or a related field, with 5+ years of experience delivering production-grade full-stack software solutions.
• Proficiency in C# / .NET, Python / FastAPI, or , combined with strong frontend expertise in React, TypeScript, and modern JavaScript (ES6+).
• Hands-on experience with microservices, REST / GraphQL APIs, and event-driven architectures (, Kafka, Redis).
• Fluency in cloud-native development, including AWS, Azure, or GCP, and CI / CD pipelines using Azure DevOps, GitLab CI, or GitHub Actions.
• Solid understanding of DevOps practices, containerization (Docker, Kubernetes), and infrastructure as code (Terraform or Pulumi).
• Strong communication, ownership, and mentoring skills—capable of collaborating effectively across distributed, multidisciplinary teams and fostering a culture of technical excellence.