Iliad

Senior Java Payment Specialist - Montpellier - H/F

Iliad
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3 hours ago
Montpellier, FranceSenior

Responsibilities

  • Develop payment features for the Banque ONE and related logistics platforms.
  • Design and implement robust, high-performance REST and SOAP APIs.
  • Build production-quality services using Java and Spring Boot.
  • Integrate 3D Secure, SEPA/IBAN direct debits, PSP APIs, and new payment methods such as Wero.
  • Detect and process unpaid payments and contribute to technical architecture decisions.
  • Optimize latency and throughput while maintaining 24/7 availability.
  • Implement monitoring and observability and handle production incidents.
  • Apply unit, integration, and end-to-end testing practices.
  • Collaborate with product, business, and technical teams and document solutions.

Requirements

  • At least 5 years of backend development experience.
  • Significant experience on at least one long-term project involving payment flows and payment methods.
  • Experience with high-availability and high-load environments.
  • Strong Java and Spring Boot skills at a senior level.
  • Experience designing REST/SOAP APIs, implementing observability metrics, and working with relational databases.
  • Knowledge of MySQL, Hibernate, JPA, and high-performance distributed systems.
  • Ability to work autonomously, take initiative, communicate with business teams, and share technical knowledge.
  • Interest in a long-term technical role rather than immediate leadership or management.

Benefits

  • Group profit-sharing and performance-related incentives from Iliad.
  • Freebox reimbursement.
  • Swile meal vouchers worth €10 per day, with 60% covered by Free.
  • Transport reimbursement of up to 70%.
  • Advantageous health and disability coverage.
  • Time savings account (CET).
  • CSE benefits including gift vouchers, discounts, and exclusive offers.

Tech Stack

DockerJavaKubernetesMySQLSOAPSpring Boot

Categories

Iliad

About Iliad

1,001-5,000 employees

Iliad is the Italian mobile network operator of the Iliad Group, offering 4G/5G voice and data plans to consumers across Italy. Launched in 2018 and headquartered in Milan, it runs its own nationwide network with offices in Milan and Rome; the Iliad Group also owns Free in France. Iliad sells SIMs and subscriptions directly online and through retail points, using straightforward, fixed-price plans.

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