Senior Back-End Engineer

The role

You will develop and own backend features using Python/Django in a cross-functional team. You will design and troubleshoot integrations, guide technical decisions, and balance development speed with technical quality.

What you will do

• Develop and own backend features using Python/Django
• Support the creation of new backend services
• Design, create, and troubleshoot integrations with third-party vendors
• Understand customer needs and define solutions with the team
• Balance short-term speed of development with long-term technical quality
• Guide the team in making informed technical decisions
• Improve best practices including test culture, code reviews, monitoring and scalability

Required qualifications

• Exposure to architectural patterns of a large, high-scale web application
• AI Expertise: forefront user of Agentic AI with hands on experience
• Familiar and willing to support small JS/TS tasks when needed
• Expertise in troubleshooting issues, identifying root cause, and mitigating it
• High level of self-organization, ownership, and responsibility
• Excellent verbal and written communication skills
• Minimum B2 English level
• Willingness to be on-call for your squad (1 week every 5 weeks)

Nice to have

• Prior experience with Python

Benefits

• Open, collaborative, dynamic and diverse culture
• Generous monthly allowance for lessons on Preply.com
• Learning & Development budget and time off for self-development
• Competitive financial package with equity
• Leave allowance
• Health insurance
• Relocation package to join the Preply Barcelona Hub
• Access to free mental health support platforms
• Access to Gympass-partnered wellness and gym centers throughout Spain

About the company

Preply is a category-defining company that helps people discover tutors and craft personalised learning journeys. They have reached unicorn status with a $150M Series D.