Fullstack Software Engineer (x/f/m) - Core Billing Platform

PARTECH PARTNERS; France; Sur place; EUR 40 000 - 70 000; Plein temps

Avantages offerts par ce poste

Fair rewards & equity packages

Flexible office & remote options

Top-tier equipment

Flexible vacation & hours

Comprehensive healthcare

Transport support

Training budget

Extended parental leave

Résumé du poste

A leading health tech company is seeking a Software Engineer to design and own their billing platform. This role involves building scalable systems, automating tasks, and ensuring reliability across multiple transactions. Candidates should have backend or full-stack experience with programming skills in Python and OOP languages. The company offers flexible working conditions and comprehensive health benefits, fostering an environment of growth and collaboration.

Qualifications

• Experience with backend or full-stack development.
• Proficient in OOP languages, particularly Python.
• Ability to navigate complex system logic.

Responsabilités

• Build the core billing engine for processing transactions.
• Design modular, reusable components for scalability.
• Integrate payment gateways and internal systems.
• Automate billing processes across regions.
• Ensure system reliability and accuracy.

Connaissances

Backend development

Python programming

Full-stack experience

OOP languages (Java, C#)

Scalable platform design

Complex system navigation

Fluent English

Outils

Python

Flask

React

React Native

PostgreSQL

Description du poste

Location

Anywhere in France, Belgium, Spain

Employment Type

Full time

Department

Engineering

You. Better. With Alan.

Alan is building a vertically integrated health partner that unites insurance and smart healthcare delivery into one seamless system. Our vision is to make prevention the new norm of care for all.

Our mission: Help people live in good health to 100 while helping employers feel proud, turning health benefits from a cost centre into their most valuable investment.

By connecting all aspects of care (private, public, and direct to consumer) we create the most member-centric healthcare experience, reducing claims costs while generating new monetization opportunities.

We partner with tens of thousands of companies across France 🇫🇷, Spain 🇪🇸, Belgium 🇧🇪, and Canada 🇨🇦, serving over a million members.

How we work: our Leadership Principles

• Mission is the Boss — We think long-term and are methodical optimists who take risks, seeking our mission's success above all else.
• Distributed Ownership — Accountable enlightened despots: everyone owns their decisions and results.
• Radical Transparency — All information is accessible and written-first, so everyone can make the best decisions asynchronously.
• Always Growing — Direct, positive, and caring feedback, combined with self-growth ownership.

⭐ Design and own our billing platform

At Alan, billing is a critical platform that powers all of our services across multiples countries. We turn complex rules, multi-country regulations, and high transaction volumes into scalable, reliable systems.

As a Software Engineer on this team, you will:

• Build the core billing engine: process thousands of transactions daily with precision and reliability.
• Design modular, reusable billing primitives and abstractions that scale across products and regions.
• Integrate with payment gateways, partner APIs, and internal systems.
• Automate billing schedules and workflows across multiple countries.
• Ensure system reliability, accuracy, and operational excellence.
• Collaborate with product, design, and operations to create a unified platform.

Why this role is special:

• Design Alan’s core financial systems and global expansion.
• Work on complex distributed systems powering thousands of transactions daily.
• Influence platform design, architecture, and future scalability.
• Be part of a team that values engineering craftsmanship and continuous improvement.
• Work in an environment where your ideas, designs, and decisions drive tangible outcomes.

🛠 Your playground

• Stack: Python/Flask, React, React Native, PostgreSQL.
• What you’ll do: ship scalable, reliable systems and build the backbone of Alan’s billing operations.
• Impact: your work directly unlocks new services, countries, and exciting deals. It then supports their reliable operation.

👥 Who we’re looking for

• We are looking for software engineers of all experience levels, ideally with backend / full-stack experience.
• Passionate about navigating complex business logic and system dependencies.
• Experienced with scalable, resilient platform design.
• Well‑versed in OOP languages (Python, Java, C#).
• Fluent in English (French is a plus but not required).
• Curious, self‑starting, humble, collaborative, and eager to grow.

🙌 Perks & Benefits

• Fair rewards & equity packages.
• Flexible office & remote options.
• Top‑tier equipment: MacBook Pro, monitor, noise‑canceling headphones.
• Flexible vacation & hours.
• Comprehensive healthcare for you, children, and partners.
• Transport support and coaching for personal growth.
• Training budget for conferences, courses, books.
• Extended parental leave for all parents.

🔄 Recruitment note

We hire people, not roles. Don’t worry if you don’t check every box - high potential and curiosity matter most. We may even suggest another team if we see a better fit.