Senior Backend Developer (Python & Node.js)

A Snapshot of Your Day

Web Applications Design & Development Engineering (High Tech) work focuses on designing the look/feel/user experience in addition to programming the functionality of interactive web applications. Web Applications are defined as: Cross-platform applications installed on remote servers and accessed through the internet Developed using standard web technologies (i.e., HTML5, JavaScript, and CSS) that work across multiple devices Developed for use as a product by external customers (vs. as an e-commerce website/online sales tool, external marketing/communications website, or internal company intranet website). Web Applications designers/developers: Create the overall visual, audio, and interactive design of the web application Create and manipulate individual design elements (e.g., audio, video, still images, animation, text, etc.) using graphic/multi-media design software (e.g., Photoshop, Illustrator, Protocols, Aftereffects, etc.) Develop the architecture and program the functionality of the web application using programming languages (e.g., ASP, Java, Perl, Python, Node JS C++, etc.) in addition to scripting languages (HTML5, JavaScript, CSS) Specialization Match Note: Incumbents who develop websites or web applications for the purposes listed below should be matched to the applicable Website Design & Development: Communications & Marketing or Website Development: E-Commerce specialization: Marketing or e-commerce websites or web applications providing customer self-service support or account management Web applications used primarily to deliver/organize virtual content or information purchased by customers

How You’ll Make an Impact

• This version integrates the full AWS ecosystem and code quality tools you requested. It focuses on high-throughput data streaming and serverless architecture.
• Key Responsibilities
• Cloud-Native Development: Design and deploy scalable backend services using AWS ECS (Fargate/EC2) and AWS Lambda for serverless compute.
• Stream Processing: Architect real-time data pipelines using Kinesis or Apache Kafka to handle high-velocity data streams.
• Asynchronous Workflows: Manage distributed task queues with Celery, ensuring seamless integration between Python/Node.js services and AWS message brokers.
• Data & Storage: Optimize PostgreSQL performance and manage unstructured data storage using AWS S3.
• Security & Config: Implement secure credential management using AWS Secrets Manager and Parameter Store.
• Quality: Monitor application health via Sentry and enforce high coding standards through SonarQube/Sonar Cloud integration in the CI/CD pipeline.

What You Bring

• Architecture Evolution: Lead migration from legacy monoliths to high-performance Microservices and event-driven architectures.
• Required Skills and Qualifications
• Backend Mastery: 8–10 years of experience with Python (Asyncio) and Node.js.
• AWS Compute & Serverless: Hands-on experience with ECS (container orchestration) and Lambda functions.
• Data Streaming: Proven experience with Kafka or Kinesis for event-driven systems.
• Asynchronous Tools: Deep knowledge of Celery for background processing and task scheduling.
• Database: Strong PostgreSQL skills (schema design, complex joints, and performance tuning).
• Infrastructure & Security: Familiarity with S3, Secrets Manager, and Parameter Store for cloud-native configuration.
• DevOps & Quality: Experience integrating Sonar for static analysis and Sentry for real-time error tracking into CI/CD pipelines.
• Soft Skills: Ability to work in Agile (Scrum/Kanban) teams and thrive in a multicultural environment.

About the Team

In the central Digital Products and Solutions (DPS) organization, our Software Application and Engineering department is responsible for developing software solutions for both internal and external customers.

In DPS, our software products already cover a wide range of categories, and we see many opportunities for growth: Asset Performance Management, Energy Management, Asset Monitoring, Asset Health Prediction, Customer Portal & AI-assisted Applications, Connectivity & Edge, Backend Core / Domain / Platform Services, and Professional Services.

Who is Siemens Energy?

At Siemens Energy, we are more than just an energy technology company. We meet the growing energy demand across 90+ countries while ensuring our climate is protected. With more than 92,000 dedicated employees, we not only generate electricity for over 16% of the global community, but we’re also using our technology to help protect people and the environment.

Our global team is committed to making balanced, reliable, and affordable energy a reality by pushing the boundaries of what is possible. We uphold a 150-year legacy of innovation that encourages our search for people who will support our focus on decarbonization, new technologies, and energy transformation.

"Let’s make tomorrow different today" is our genuine dedication at Siemens Energy to all customers and employees on the way to a balanced future.

Check out this video to learn more about Siemens Energy: https://www.siemens-energy.com/employeevideo

Our Commitment to Diversity

Lucky for us, we are not all the same. Through diversity, we generate power. We run on inclusion and our combined creative energy is fueled by over 130 nationalities. Siemens Energy celebrates character – no matter what ethnic background, gender, age, religion, identity, or disability. We energize society, all of society, and we do not discriminate based on our differences.

Regards

• We offer options to work flexibly, especially after successful onboarding – whether it be working remotely, flexible working hours or a combination of both
• Working with a distributed team
• Opportunities to work on and lead a variety of innovative projects
• Supportive work culture

https://jobs.siemens-energy.com/jobs