Senior Software Engineer - Backend - Core Team

Ins & outs

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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 want to help everyone deliver more human and personal customer experiences every day.

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

Our technology is used in 25 countries by over 150 of Europe's biggest companies, including Carrefour, Domino's, Credit Agricole, New Look, Leroy Merlin and Jules. We are present in more than 70,000 business locations and give the entire organisation, from c-suite to frontline, CX and insights teams the tools they need to bring value to the company and the customer.

We are looking for a full-time Senior Backend Developer to strengthen and expand our technical stack to provide our feature team with a solid base to develop on. We will count on your vision and your technological skills to build and maintain the foundations that will help us sustain our growth.

Goodays has already positioned itself as a leader in our industry, having experienced strong exponential growth for the past several years. We’re counting on you to help us attain even greater heights.


In this role, your responsibilities will be:

  • Advocacy for improvements to our product quality, security, and performance.

  • Software and infrastructure : You will contribute to the technical and architectural decisions by collaborating with the Ops team and the feature teams. We expect you to be involved in the entire life cycle of our products from the conception to the post-delivery maintenance and monitoring.

  • Identify impediments to our efficiency as a team - technical debt, missing tooling, architectural issues - then propose and implement solutions

  • Continuous Improvement of our stack: You want you to constantly monitor and improve the components of our product used by millions of users

  • Quality assurance: Pair with our staff engineer in order to mentor more junior engineers and ensure best practices are adhered to. Key elements will be tooling and code reviews.


We’re looking for someone with:

  • 5 years’ minimum experience in a core or tech lead role

  • Significant professional experience in Python, Django, PostgreSQL

  • Experience with distributed systems and technologies

  • Experience with database and web applications scaling, notably in a international environment

  • Working knowledge of Docker and Cloud hosting providers

  • An expertise in SaaS environments

An experience with the following is a plus:

  • Computer science education or equivalent experience

  • Experience working with: Elasticsearch, Kibana, Datadog

  • General familiarity with: Frontend technologies, Git, Sentry


  • You are versatile, independent and adaptable.

  • You are creative and innovative, yet analytical mindset

  • You’re positive and have a solution-oriented mindset

  • You are naturally curious and always strive to learn new things.

  • You have excellent interpersonal skills.

  • Highly responsive and service-oriented attitude, accustomed to working in an international environment, action-driven

  • You are the type of person who can think big, do things and have fun.

  • You have strong French and English oral and written communication skills to communicate clearly with (and be understood by) technical and non-technical audiences

  • You know when and how to say no


Reports to the Head of Engineering


  • A front-row seat with a company that is changing the way multiple industries do business, thanks to a best-in-class product and exponential growth

  • A great and diverse team of professionals who are talented, fun, supportive, open, communicative and who you can learn from and share with

  • FLexible, fun and challenging working environment with significant opportunities for career growth and development 

  • An international environment

  • Attractive salary package including excellent pension, health insurance and life insurance

  • Open and inclusive working environment including flexible hours and parent-friendly options

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