Software Engineer - CDI

Since 2014, Wiremind has positioned itself as a tech company transforming the world of transport and events with a 360° approach combining UX, software, and AI.

Our expertise lies primarily in optimizing and distributing our clients' capacity. We work on various projects such as ticket forecasting and pricing, 3D optimization of air freight or scraping competitor prices. Our applications are the preferred tool of companies such as SNCF, United Airlines, Qatar Airways or even PSG to visualize, analyze and optimize their capacity.

Dynamic and ambitious, we strive to maintain our technical DNA which is the engine of our success. The company, profitable and self-financed since its creation 10 years ago, is mainly composed of engineers and experts and currently supports the growth of our business model based on "software-as-a-service" solutions.


CAYZN is our advanced Revenue Management Solution for the transportation industry, helping our client to optimize their capacity with dynamic pricing. It offers an user-friendly interface coupled with data vizualisation and powerful automation workflows with a business rules engine. Leveraging machine learning models, CAYZN is able to recommend and automatically set the best price to fill our client means of transportation (bus, airlines or railways).

As a Software Engineer, you will take part in the development of new features for our solutions. You will solve business and technical enquiries raised by our customers, with the support of our Product Experts and Data Scientists.

In practice – even though there is no typical day – you can expect to:

• Develop new features for our end-users, with a strong focus on code quality and working together with a senior developer, who will support you in your progression

• Take part in maintenance tasks, application monitoring and infrastructure management

• Tackle technical debt, propose new solutions and challenge architecture decisions to keep on improving the code base

• Exchange on a daily basis with our product team to share ideas about how to improve our solution, and to develop your understanding of our customer requirements

Technical stack:

• Backend: Python 3.14 with SQLAlchemy, Remoulade, Flask/FastAPI, Graphql

• Frontend: TypeScript, Angular, NGRX, D3js, Nextjs

• Data-store: Postgresql, Elasticsearch, Redis

• Gitlab for continuous delivery

• Kubernetes for infrastructure

• Prometheus/Grafana and Kibana for operations

Your profile 🔍

• You possess a Engineering degree with a first experience in software development

• You have a strong foundation in Python or an equivalent backend language

• You're passionate about addressing business challenges through innovative technological solutions

• You are committed to maintaining high-quality standards in all aspects of your work

• You have a solid understanding of computer science and are eager to advance quickly in an environment that adheres to best development practices

• Avoir une appétence pour le design et l’UX

Our benefits 🤌

By joining us, you will integrate:

• A self-financed startup with a strong tech identity! 🧬

• Beautiful 800 m² offices in the heart of Paris (Bd Poissonnière) ✨

• Attractive remuneration indexed on performance 💪

• A caring and stimulating team that encourages skills development through initiative and autonomy

• A learning environment with opportunities for evolution 🧑‍💻

You will also benefit from:

• A hybrid policy: 2 days of remote work per week and the possibility to work occasionally from abroad 💻

• Access to WellPass at a preferential rate to maintain your well-being 🏀

• A great company culture (monthly afterworks, regular meetings on technology and products, annual off-site seminars, team-building…)

Our Recruitment Process 🤞

1. A screening interview with Yasmine, our Talent Acquisition Specialist

2. A technical test or case study to be prepared

3. A final interview with a manager at our offices to discuss your technical test or case study and meet the team

Wiremind is committed to equality of opportunity, diversity, and fairness. We encourage all candidates with the necessary experience to apply for our job offers