Senior Backend Developer

Goodays (formerly Critizr) is Europe’s leading Customer Experience Management Platform. Founded in 2012, our vision is to make commerce better for everyone – for merchants and customers. We help companies deliver more human and personal customer experiences every day.

Our mission is to bring entire organizations together around a single goal: the customer. We provide a highly adopted Customer Experience Management platform that makes it easier to deliver human and personal customer experiences at scale.

Our technology is used in 25 countries by over 150 of Europe’s largest companies, including E.Leclerc, Domino’s Pizza, Crédit Agricole, Kingfisher, Sonepar, and EssilorLuxottica. We are present in more than 70,000 business locations and empower the entire organization – from C-suite to frontline teams, CX and Insights teams – with tools that create value for both the company and the customer.

As part of our product and technical growth, we are looking for a Backend Developer to strengthen our engineering team and actively contribute to the evolution of our SaaS platform.
The role is full remote in Metropolitan France or at the Lille or Paris office, not abroad.

Responsibilities

As a Backend Developer, you will work on a production SaaS product and play a key role in its technical evolution. Your responsibilities include:

• Designing, developing, and maintaining backend services and APIs using Python and Django
• Actively contributing to architecture and technical design decisions
• Working on real-world SaaS production challenges such as performance, reliability, scalability, and technical debt
• Analyzing and improving the existing codebase with a critical yet pragmatic mindset
• Collaborating closely with Product teams, including non-technical stakeholders
• Contributing to overall code quality through readability, testing, code reviews, and documentation

Desired Education & Experience

• High level of autonomy, with responsibility for designing, building, and maintaining backend services
• Proven experience building and maintaining SaaS products
• Strong awareness of technical debt and the ability to prioritize it effectively over time
• Ability to write clean, readable, and maintainable code with long-term quality in mind
• Strong written communication skills, including documentation, technical specifications, and async collaboration
• Comfort working closely with non-technical stakeholders such as Product Managers and Operations teams
• Ability to thrive in a structured, collaborative team environment where teamwork matters more than individual ego

Technical Environment

• Language: Python
• Framework: Django
• Databases & Tools: PostgreSQL, Elasticsearch, Redis

Other Requirements

• Flexibility and understanding of the culture of a fast-paced, commercially oriented technology company
• Highly responsive and service-oriented attitude, accustomed to working in an international environment
• Hands-on project management skills, including the ability to organize, prioritize, and manage deadlines
• Ability to maintain strong working relationships
• Collaborative team player with the ability to work independently when needed
• Sound and practical business judgment
• Passion for making a difference and interest in having a social impact in the retail world

What Goodays Offers You

• A front-row seat in a company transforming multiple industries with a best-in-class product and strong growth
• A diverse, talented, supportive, and open team you can learn from and grow with
• A fun and challenging working environment with strong opportunities for career development
• An international working environment
• An attractive salary package including pension, health insurance, and life insurance
• An open and inclusive workplace with flexible working hours and parent-friendly options