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Groupe Iliad

Mobile operator offering clear, transparent plans

Développeur Senior Java - Montpellier, h/f

Backend EngineeringPosted on Nov 10
Full-timeMontpellier, FranceNo salary listed

About the Job

Requirements

  • At least 4 years of backend development experience.
  • Significant experience on at least one long-term project of 2 or more years, demonstrating stability.
  • Strong proficiency in Java and Spring Boot.
  • Experience designing REST and SOAP APIs.
  • Knowledge of relational databases, including MySQL.
  • Experience with ORM technologies, including Hibernate and JPA.
  • Knowledge of high-performance distributed systems.
  • Ability to work autonomously and take initiative.
  • Pragmatic approach to delivering work quickly without sacrificing quality.
  • Technical curiosity and interest in learning.
  • Ability to communicate and share information with business teams.

Responsibilities

  • Develop features for payment and logistics domains.
  • Design and implement robust, high-performance REST and SOAP APIs.
  • Write production-quality Java and Spring Boot code.
  • Contribute to technical architecture decisions.
  • Develop 3D Secure payment flows, including registration journeys and terminals.
  • Implement SEPA/IBAN direct debits through the BNPP partner.
  • Manage detection and processing of unpaid transactions.
  • Integrate Payment Service Provider APIs.
  • Develop order-management flows for mobile phones and SIM cards for business-to-consumer and business-to-business use cases.
  • Implement dispatch of invoices and correspondence.
  • Manage hardware returns and after-sales service.
  • Integrate warehouse management system, order management system, and carrier APIs.
  • Optimize latency and throughput.
  • Ensure 24/7 high availability.
  • Implement monitoring and observability.
  • Handle production incidents.
  • Establish unit, integration, and end-to-end testing practices.
  • Work with product and business teams to understand requirements.
  • Share technical knowledge with the team.
  • Document technical solutions.

About the Company

Groupe Iliad

Mobile operator offering clear, transparent plans

iliad is the Italian mobile operator launched in 2018 as part of the iliad group, which also includes operators like Free in France. It runs on its own network across Italy, with offices in Rome and Milan, and offers simple, transparent, affordable mobile plans. The approach focuses on clear pricing, no hidden fees, lean operations, and serving a broad audience, including people who mistrust traditional carriers. The goal is to reshape the Italian mobile market by delivering value-driven offers and earning customer trust.

Company size
10,001+
Company stage
IPO
Headquarters
Paris, France
Founded
1987

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