Software Engineer Core Billing

Scaleway; Rennes; Hybride; EUR 40 000 - 60 000; Plein temps

Avantages offerts par ce poste

Up to 3 days of remote work per week

Healthy meal service

Access to gym and daycare services

Internal mobility opportunities

Résumé du poste

A leading cloud services provider in Rennes is seeking a skilled Engineer to join their Billing & Payments team. The role involves software development, optimization of billing systems, and collaboration with a dynamic team. Ideal candidates should be proficient in Python and have experience with high-volume databases, and the ability to work in a hybrid environment. The company emphasizes a commitment to a sustainable cloud and offers significant employee benefits.

Qualifications

• You write clean, scalable Python code.
• You contribute across languages confidently.
• You optimize high-volume PostgreSQL databases.

Responsabilités

• Design technical solutions and challenge functional specifications.
• Write clean, maintainable, and well-structured Python code.
• Ensure system performance and optimization.

Connaissances

Python

Go

PostgreSQL

Observability with Prometheus

gRPC APIs

Description du poste

Overview

Join Scaleway and shape the sovereign cloud of tomorrow !

Since 1999, we have been designing secure, sustainable infrastructures aimed at supporting the most ambitious companies.

Historically known for our dedicated servers (Dedibox), we made a strategic shift to cloud computing in 2015. Staying true to our principles of simplicity, flexibility, and technical excellence, we have become one of the leading players in Europe in the sector.

With the rise of artificial intelligence, we have strengthened our commitment, supported by the Iliad Group, which is investing €3 billion to develop a serious, sovereign AI alternative to American and Asian giants.

Every day, thanks to our rich catalog of products and services (bare metal, containerization, serverless, AI, etc.), Scaleway proudly serves 38,000 private and public sector clients, from Photoroom to Mistral AI, Golem AI, and ADEME.

Our offices are located in Paris, Lille, Toulouse, Bordeaux, Rouen, Rennes and Lyon.

Why we need you

Our growth is driving us to strengthen our Billing & Payments team to support our technical evolution and ensure a seamless, reliable billing experience for our customers.

Your mission will be to design, develop, and maintain high-quality software solutions while challenging existing functional specifications, in order to improve scalability, maintainability, and performance across our billing systems.

Your future team

We work in a collaborative and international environment where the diversity of Scalers, combined with a spirit of sharing, helps bring new projects to life every day, advancing our ambitions together.

You will be part of a team of 10 people, working on both technical and functional projects according to the roadmap and priorities of the Billing & Payments department. The team’s work is deeply connected to Scaleway’s data flows, requiring strong optimization, high reliability, and a constant focus on technical excellence.

Manager: Joachim Audouard is an experienced Engineering Manager, currently at Scaleway, with a background combining scientific expertise and technical leadership. Holding a PhD in Physics from Université Paris-Sud, he began his career in academic research, focusing on climate modeling and data analysis at CNRS and Stony Brook University. He later transitioned to the tech industry, working as a developer, lead developer, and then manager at companies such as WPO and Linxo, where he led data and technical teams. His skills span data management, SaaS environments, and Python development, all within international contexts in both English and French. Also involved in impact-driven initiatives through Team for the Planet, he blends strategic vision, scientific rigor, and the ability to lead complex projects.

Your daily routine

• Design technical solutions and challenge functional specifications
• Write clean, maintainable, and well-structured Python code following best practices
• Participate in architecture discussions and contribute to the evolution of our stacks (code, observability, deployment)
• Regularly engage in pair programming and code reviews
• Ensure system performance and optimization, particularly in high-volume PostgreSQL environments
• Integrate metrics and monitoring using Prometheus and Grafana
• Develop and maintain APIs in gRPC (protobuf)
• Contribute to reducing technical debt alongside delivering new features

About you

• Soft Skills
  • Communication: You share openly and transparently
  • Team Spirit: You put the collective first
  • Constructive Feedback: You coach and learn continuously
  • Initiative: You drive team progress proactively
• Hard Skills
  • Python: You write clean, scalable code
  • Go: You contribute across languages confidently
  • PostgreSQL: You optimize high-volume databases
  • Observability: You monitor with Prometheus & Grafana
  • gRPC APIs: You design robust, data-driven services

What you will find at Scaleway

• Hybrid work: We offer up to 3 days of remote work per week
• Offices: Our offices are spacious, dynamic workspaces with bold design, conveniently located near public transport. Most of our offices feature outdoor spaces (terraces) and bike parking facilities
• Dining: Our chef provides a healthy meal service at the headquarters, and breakfast is available across all our sites year-round. Scalers working from regional sites enjoy a Swile card for lunches
• Well-being commitments: Whether it’s access to a gym, daycare places, or discounted services for caring services, Scaleway is committed to supporting Scalers in maintaining a balanced life
• International environment: With dozens of nationalities, Scaleway offers a stimulating environment where English is as widely spoken as French
• Career & Mobility: Our managers value internal mobility, and opportunities to transition to other entities within the Iliad Group are accessible to all Scalers

Why join Scaleway

• A rich and diverse product offering : Scaleway offers over 100 public cloud products in IaaS, PaaS, and AI.
• A cutting-edge technical environment : Scaleway provides modern infrastructures, including high-performance bare metal servers, to tackle exciting technical challenges.
• Commitment to responsible cloud : Scaleway is dedicated to a more responsible cloud, with data centers powered solely by renewable energy since 2017, minimizing our ecological footprint and holding top-level certification.

Next steps

• Screening call
• Manager interview to understand your skills and approach
• Technical interview
• HR interview

At Scaleway, we are committed to building an inclusive and respectful workplace where everyone has a fair opportunity to thrive.

All applications are considered with care, regardless of age, gender, sexual orientation, ethnic or social background, religion, disability, or any other characteristic.

We believe great ideas come from everywhere, and everyone which is why you should definitely apply.

Role details

• Seniority level: Not Applicable
• Employment type: Full-time
• Job function: Engineering and Information Technology
• Industries: Software Development