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

Alan; Madrid; Híbrido; EUR 40.000 - 60.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Fair rewards & equity packages

Flexible office & remote options

Top-tier equipment

Flexible vacation & hours

Comprehensive healthcare

Transport support

Training budget

Extended parental leave

Descripción de la vacante

Alan is seeking software engineers to design and own their core billing platform in Madrid. This role involves building the billing engine, automating workflows, and ensuring system reliability across multiple countries. Candidates should have backend or full-stack experience and be comfortable navigating complex business logic and system dependencies.

Join a team that values engineering craftsmanship and continuous improvement while offering flexible work options and competitive benefits.

Formación

• Software engineers of all experience levels, ideally with backend/full‑stack experience.
• Experienced with scalable, resilient platform design.
• Curious, self‑starting, humble, collaborative, and eager to grow.

Responsabilidades

• Build the core billing engine, ensuring reliability and precision in transaction processing.
• Design modular, reusable billing primitives that scale across products.
• Integrate with payment gateways and internal systems.

Conocimientos

Backend/full-stack experience

Navigating complex business logic

Scalable, resilient platform design

OOP languages (Python, Java, C#)

Fluent in English

Herramientas

Python

Flask

React

PostgreSQL

Descripción del empleo

Design and own our billing platform

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

Responsibilities

• 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 teams to create a unified platform.

Why this role is special

• Design Alan’s core financial systems and drive 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, supporting their reliable operation.

Who we’re 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.