Senior Full-Stack Engineer

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.