Senior Python Developer / DevOps (m/f/d)

Siemens; Amadora; On-site; EUR 65,000 - 90,000; Full time

Job summary

Siemens Global Business Services in Portugal is seeking a Senior Python Backend Engineer to design, develop, and maintain sophisticated backend systems. You will build scalable RESTful services with FastAPI, use SQLAlchemy for data access, and contribute to cloud-native solutions across edge computing and cloud environments.

The role requires strong testing, CI/CD with GitLab, and collaboration with global stakeholders.

Qualifications

• 8+ years of backend Python experience.
• Strong FastAPI expertise for scalable, secure apps.
• Hands-on with RESTful APIs and service-oriented architectures.

Responsibilities

• Design, develop, and maintain backend Python solutions.
• Contribute to edge computing and cloud-based solutions.
• Work with distributed systems, high-performance architectures.
• Collaborate with Product Owners, Architects and developers.
• Provide mentoring and guidance to team members.
• Drive CI/CD, DevOps practices, and deployment automation.
• Promote code quality, best practices, and continuous improvement.
• Participate in Agile/Scrum ceremonies.

Skills

Python

FastAPI

RESTful APIs

SQLAlchemy

pytest

GitLab CI/CD

AWS

Docker

Kubernetes

Agile/Scrum

Communication

Education

Bachelor's or Master's in Software Engineering/CS

Tools

Docker

Podman

Kubernetes

GitLab

AWS services

Job description

520079

08-Oct-2026

Global Business Services

Information Technology

Siemens Global Business Services (GBS) enables Siemens units worldwide and external customers to accelerate their business transformation into a sustainable and digital future.

Our goal is to optimize processes and provide services driven by expertise in areas such as business administration, human resources, supply chain management, sales, marketing, and engineering. Through innovation and digitalization, we facilitate the achievement of a successful and sustainable transformation.

In our GBS Western Europe and Africa Hub, we are already more than 1400 connected people from over 57 nationalities across 14 countries.

Are you ready to be part of the change? Come join us!

Your responsibilities will include…

• Designing, developing, and maintaining cutting-edge backend solutions using modern Python technologies.
• Contributing to the creation and implementation of innovative Edge Computing and cloud-based solutions.
• Working with complex distributed systems, high-performance architectures, and demanding technical requirements.
• Collaborating closely with Product Owners, Architects, and fellow developers to transform business needs into technical solutions.
• Providing technical mentoring, guidance, and support to team members whenever needed.
• Driving continuous improvements in software quality, performance, security, and maintainability.
• Participating actively in Agile ceremonies as part of a highly collaborative Scrum team.
• Evaluating requirements, proposing technical approaches, and influencing architectural decisions.
• Working with modern CI/CD pipelines, deployment automation, and DevOps practices.
• Promoting engineering best practices, code quality standards, and a culture of continuous improvement.

We're looking for a Senior Python Backend Engineer who…

• Has 8+ years of professional experience developing backend solutions in Python.
• Demonstrates strong expertise in building scalable, secure, and high-performance applications using FastAPI.
• Has hands-on experience designing and maintaining RESTful APIs and service-oriented architectures.
• Is highly proficient with SQLAlchemy and database-driven application development.
• Has a solid testing mindset, with practical experience implementing automated tests using pytest and other testing frameworks.
• Is experienced with CI/CD pipelines, particularly using GitLab, enabling reliable and automated deployments.
• Possesses a strong understanding of cloud-native architectures, with practical experience working with AWS services.
• Is comfortable working with containerized environments and orchestration platforms such as Docker, Podman, and Kubernetes.
• Writes clean, maintainable, and production-ready code, actively promoting engineering best practices, code quality, and continuous improvement.
• Thrives in an Agile/Scrum environment, collaborating effectively with developers, architects, product owners, and international stakeholders.
• Has excellent communication skills, a proactive mindset, and the ability to foster knowledge sharing and engineering excellence within the team.
• Is passionate about technology, continuously learning new tools, frameworks, and industry best practices.

Educational Background

• Bachelor's or Master's degree in Software Engineering, Computer Science, or a related field.

Nice to Have

• Experience with AWS container and serverless services.
• Knowledge of Kubernetes administration and deployment strategies.
• Exposure to microservices architectures and event-driven systems.
• Experience with observability, monitoring, and logging solutions.
• Contributions to open-source projects or technical communities.

What you can expect from us…

A hybrid and flexible working model designed to promote work-life balance; a budget for home office support; and the opportunity to contribute 16 hours a year to volunteer work.

Health insurance, access to our on-site medical center, and sports groups are also available.

You will also have access to online learning platforms, partner discounts, shuttle bus transportation, and potential financial support for studies.

What makes us proud as an employer

• Merco – Companies and Leaders with the Best Reputation in Portugal (#1 Technology/Manufacturing)
• Forbes – World’s Best Employers (#1 Engineering & Manufacturing)
• LinkedIn – LinkedIn Top Companies (#2)
• OnStrategy – REPSCORE 2024: Brands’ Reputation in Portugal (#1 Engineering & Electronic Services)
• Fortune – World’s Most Admired Companies (#1 Industrial Machinery)
• SSON – Top 20 most admired Shared Services Organizations and Global Business Services in 2024

Siemens is committed to creating a diverse environment and is proud to be an equal opportunity employer. We strongly encourage applications from a diverse talent pool!