Senior Backend Software Engineer (Python)

TL;DR

Senior Backend Software Engineer (Python): Building and continuously delivering backend services for mobile apps in a microservices architecture with an accent on RESTful web services, CI/CD pipelines, and cloud deployments on AWS. Focus on designing and implementing new features end-to-end, promoting test automation (unit/integration/e2e/performance), and reducing technical debt while coordinating incidents and mentoring junior colleagues.

Location: Madrid, Spain (Hybrid, 60% onsite/40% home office)

Salary: €45,400 - €68,000 EUR

Company

hirify.global is a pet e-commerce company building services for millions of customers.

What you will do

• Collaborate with product owner and architects in an Agile/Scrum environment to investigate solutions, estimate work, and align on requirements.
• Design, implement, deliver, and support backend solutions (RESTful web services) using microservices architecture.
• Integrate backend services with iOS and Android mobile apps and support the full software development lifecycle (discovery to maintenance).
• Promote and implement test automation, including unit, integration, e2e, and performance tests.
• Build and maintain CI/CD pipelines and deploy services using Docker, Kubernetes, AWS, and Terraform.
• Maintain existing applications, reduce technical debt, and coordinate incident response with the team.

Requirements

• 6+ years of professional experience with Python; Java and Spring Framework experience is a plus.
• Strong understanding of complex architecture landscapes and ability to independently investigate and implement new features.
• Ownership mindset with experience in unit testing and Test-Driven Development (TDD).
• Experience with DevOps tools and practices: container orchestration, CI pipelines, monitoring/alerting, AWS, and Kubernetes.
• Ability to contribute across the full software development lifecycle (frontend, backend, testing, and DevOps).
• Excellent verbal and written communication skills; working language is English.

Nice to have

• Experience with Agile practices and knowledge of Agile values/principles.
• Experience with microservices and the e-commerce domain.
• Experience with AI-assisted development (e.g., GitHub Copilot/Copilot Chat) for code generation, refactoring, test automation, and debugging.

Culture & Benefits

• Hybrid working model: 60% onsite and 40% at home.
• Option to work abroad for 20 days in approved countries.
• Self-organized Scrum teams with pair programming, code reviews, and training opportunities.
• DevOps mindset with focus on continuous delivery and clean code.
• Wellbeing offers, subsidised transport or bike leasing, and a 20% discount on products.