W

Winamax

Online poker and sports betting platform

Back-End Developer - Poker Team

Backend EngineeringConfirmed live in the last 24 hours
Full-timeParis, FranceNo salary listedIn-person

About the Job

Requirements

  • Significant experience developing backend services for a high-traffic platform handling more than 10,000 requests per second.
  • Significant experience with load balancing, high availability, scaling, caching, databases, and storage.
  • Strong knowledge of distributed event-driven architectures.
  • Strong knowledge of Redis or Kafka, including data structures, publish/subscribe, streams, and pipelines.
  • Strong knowledge of a relational database such as MySQL or PostgreSQL, including modeling, optimization, transactions, and locks.
  • Knowledge of a cloud environment.
  • DevOps knowledge, including continuous integration and continuous delivery, Docker, and observability.
  • The position requires a permanent full-time employment contract and is exclusively for a 35-hour workweek.

Responsibilities

  • Design the platform architecture.
  • Develop highly available and scalable microservices.
  • Develop APIs and data models.
  • Write unit and end-to-end tests and create scenarios under real-world conditions.
  • Participate in the team's code reviews.
  • Deploy applications on Amazon Web Services.
  • Monitor and optimize the poker platform.
  • Document the poker architecture and services.
  • Collaborate with the Front-End, Data, Infrastructure, Security, and project management teams.
  • Create a poker gateway with authentication, rate limiting, routing, and publish/subscribe messaging exceeding 10,000 messages per second.
  • Implement a registration microservice capable of processing 1,000 registrations per second.
  • Add new game types and special operations to the poker game engine.

Desired Qualifications

  • Knowledge of JavaScript and the Node.js ecosystem; the microservices are based on Node.js.
  • An educational background in Maths sup/spé.

About the Company

Winamax

Online poker and sports betting platform

Winamax operates online poker and sports betting services in France and Spain. It runs on cross‑platform tech that delivers a seamless experience on PC, Mac, and mobile devices, letting users play poker against others or place sports bets through an integrated platform. Revenue comes from wagering activity, with additional income from advertising and partnerships. The company differentiates itself by securing a leading position in France (notably after Euro 2021) and expanding in Spain, while emphasizing responsible gaming and strict data protection to protect user privacy. Its goal is to grow its market footprint in France and Spain while maintaining trusted, secure gaming experiences for players.

Company size
201-500
Company stage
Seed
Total funding
$13.2M
Headquarters
Paris, France
Founded
1999

Recently Posted Jobs

Explore more opportunities at Winamax

See more jobs