Concepteur Développeur Java Spring Boot – Paiement & Authentification (H/F)

citech

Lille, Hauts-de-France, fr💼 Full-time💰 $37,000–$50,000🗓 2026-07-02 → 2026-07-31

Core

Designing and developing a new strategic payment and authentication application from scratch.

Role type

Senior Java Spring Boot Developer (Payment & Authentication)

Builds

New payment and authentication application features

Domain

Fintech / Payment Systems / Cloud Infrastructure

Deliverable

production ML models | product features

Required skills

Java 21/25, Spring Boot 3/4, REST API design, Oracle/PostgreSQL, JPA/Hibernate, Azure Cloud, Unit testing, Performance testing

Preferred skills

Payment Monétique experience, Authentication domain expertise, Scrum Master experience

Technologies

Java 21, Java 25, Spring Boot 3, Spring Boot 4, JPA, Hibernate, Oracle, PostgreSQL, Apache Tomcat, ElasticSearch, Azure

Responsibilities

Design application architecture, Analyze functional requirements, Develop new features in Java/Spring Boot, Produce functional and technical specifications, Write unit tests, Conduct performance and load tests, Resolve production incidents

Seniority

Senior, hands-on IC

Sourced via smartrecruiters · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.