CareerPlan

Développeur Expert Java - Services Financiers - Ile de France

Paris, Ile-de-France, FRFull-time2026-11-05 → 2026-11-07

Core

Senior Java engineer designing and building high-performance distributed microservices for financial services.

Role type

Senior IC backend Java engineer (financial services)

Builds

High-volume distributed microservices, event-driven architectures, and scalable backend systems

Domain

Financial services, distributed systems, cloud-native architecture

Required skills

Java 17/21, Spring Boot 3.x, Microservices architecture, Kafka, PostgreSQL/Oracle, Docker, Kubernetes, AWS/GCP, CI/CD pipelines, TDD

Preferred skills

GraphQL/gRPC, Event Sourcing, CQRS, Hexagonal/DDD/Clean Architecture, NoSQL (MongoDB/Redis)

Technologies

Java, Spring Boot, Kafka, PostgreSQL, Oracle, MongoDB, Redis, Docker, Kubernetes, AWS, GCP, GitLab CI, Jenkins, JUnit, Testcontainers

Responsibilities

Design and develop complex high-performance microservices, structure code using Clean/Hexagonal principles, optimize backend performance and scalability, enforce development standards and conduct code reviews, industrialize CI/CD pipelines, contribute to target architecture and technical guilds, provide occasional technical mentorship, handle expert-level incident resolution and root cause analysis

Seniority

Senior, hands-on IC with technical leadership