Sr Software Developer

Lumen Technologies
Municipality of Madrid, Spain
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Intermediate

Job location

Municipality of Madrid, Spain

Tech stack

Clean Code Principles
API
Artificial Intelligence
Amazon Web Services (AWS)
Azure
Cloud Computing
Cloud Engineering
Continuous Integration
Software Design Patterns
DevOps
Python
NoSQL
Secure Coding
Software Engineering
Test Driven Development
FastAPI
Build Management
Containerization
Kubernetes
Docker
Microservices

Job description

Experteer Overview As a Senior Software Engineer at Lumen, you design and build scalable AI-enabled software in a cloud-native environment.You will develop AI Agents, APIs, microservices, and RAG pipelines, collaborating with cross-functional teams to deliver reliable, secure systems.You drive engineering excellence through clean code, testing, and CI/CD while staying ahead of cloud and AI trends.You will work in a hybrid Madrid setting, contributing to a high-impact, AI-ready connectivity platform.Compensaciones / Beneficios* Design and build high-performance, scalable Python software in the cloud* Develop AI Agents, APIs, microservices, and RAG pipelines* Collaborate with partners, architects, and other engineering teams to define requirements* Promote clean code, TDD, and CI/CD practices* Stay current with cloud, Python, DevOps, and AI trends and advocate adoption* Troubleshoot complex issues to ensure production stabilityResponsabilidades* 7+ years of professional software development experience* At least 3 years in a senior engineer role at a large technology company* Deep expertise in Python with FastAPI for production-grade apps* Experience with cloud platforms (AWS, Azure, or GCP)* Containerization (Docker, Kubernetes)* Relational and NoSQL databases* Messaging queues* Strong understanding of design patterns and secure coding principlesRequisitos principales*

Requirements

  • 7+ years of professional software development experience
  • At least 3 years in a senior engineer role at a large technology company
  • Deep expertise in Python with FastAPI for production-grade apps
  • Experience with cloud platforms (AWS, Azure, or GCP)
  • Containerization (Docker, Kubernetes)
  • Relational and NoSQL databases
  • Messaging queues
  • Strong understanding of design patterns and secure coding principles

Apply for this position