Software Engineer (H/F) - CDI - Paris

About Wiremind

Since 2014, Wiremind has established itself as a technology-driven company transforming the transportation and event industries through a 360° approach that combines UX, software engineering, and artificial intelligence.

Our expertise lies primarily in helping clients optimize and monetize their capacity. We work on a wide range of projects, including ticket demand forecasting and pricing, 3D air cargo optimization, and competitor price scraping. Our applications are trusted by companies such as SNCF, United Airlines, Qatar Airways, and Paris Saint-Germain (PSG) to visualize, analyze, and optimize their capacity.

Dynamic and ambitious, we are committed to preserving our strong engineering culture, which is at the heart of our success. Profitable and self-funded since our founding over 10 years ago, Wiremind is made up primarily of engineers and technical experts who continue to drive the growth of our SaaS business.

About CAYZN

CAYZN is our advanced Revenue Management solution for the transportation industry, helping clients optimize their capacity through dynamic pricing. It combines an intuitive user interface with powerful data visualization tools and automated workflows powered by a business rules engine. Leveraging machine learning models, CAYZN recommends—and can automatically apply—the optimal prices to maximize occupancy across buses, airlines, and rail networks.

Your Role

As a Software Engineer, you will contribute to the development of new features for our products. You will work on both business and technical challenges raised by our clients, with the support of our Product Experts and Data Scientists.

While no two days are the same, your responsibilities will include:

• Developing new features for our end users, with a strong focus on code quality and close collaboration with a senior software engineer who will mentor and support your growth.

• Participating in application maintenance, production monitoring, and infrastructure management.

• Addressing technical debt, proposing new technical solutions, and challenging architectural decisions to continuously improve the codebase.

• Working closely with the Product team on a daily basis to share ideas, improve the product, and deepen your understanding of customer needs.

Tech Stack

Backend

• Python

• SQLAlchemy

• Remoulade

• Flask / FastAPI

• GraphQL

Frontend

• TypeScript

• Angular

• NgRx

• D3.js

• Next.js

Databases & Storage

• PostgreSQL

• Elasticsearch

• Redis

Infrastructure & DevOps

• GitLab CI/CD

• Kubernetes

• Prometheus

• Grafana

• Kibana

Your Profile

• You hold an engineering degree (or equivalent) and have initial experience in software development.

• You are proficient in Python or another comparable backend programming language.

• You are passionate about solving business challenges through innovative technology.

• You care deeply about delivering high-quality software.

• You have solid computer science fundamentals and are eager to grow quickly in an environment that embraces engineering best practices.

• You have an interest in design and user experience (UX).

• You speak fluent English and French.

What We Offer

By joining Wiremind, you'll enjoy:

• A self-funded startup with a strong engineering culture

• Beautiful 900 m² offices in the heart of Paris (Boulevard Poissonnière)

• Competitive, performance-based compensation

• A supportive and stimulating team that encourages initiative, autonomy, and continuous learning

• A learning-focused environment with strong career growth opportunities

You’ll also benefit from:

• On-demand training opportunities

• A hybrid work policy: two remote working days per week, plus the possibility to work temporarily from abroad

• Discounted access to WellPass to support your well-being

• A vibrant company culture with monthly social events, regular tech and product talks, annual off-site retreats, and team-building activities

• An annual budget for your computer equipment

• A partnership with the People & Baby inter-company nursery network to help support childcare for children aged 0–3

Recruitment Process

1. Screening interview with our Talent Acquisition Specialist

2. Take-home technical assessment

3. Debrief interview with the Hiring Manager to discuss your technical assignment

4. Final on-site interview with our CTO

Wiremind is committed to equal opportunity, diversity, and inclusion. We encourage all qualified candidates, regardless of background, to apply.