Java / React Full Stack Developer - Remote

This position consists of 2 openings to ensure technical quality in the applications of one of our clients in the financial sector. You will join a mission-critical technological modernization and architecture mission. The core project involves migrating legacy systems from .NET to Spring Boot and NestJS. Your main challenge will be to design and implement scalable microservices using hexagonal architecture without impacting the business. Key Responsibilities: Technical Strategy and Development: Design robust backend architectures delivering scalable microservices and REST APIs in Java and Node.js under the hexagonal standard. Implement high-performance frontend applications building responsive and accessible interfaces in React with TypeScript. Optimize information processing by modeling and indexing complex data structures in SQL Server and MongoDB. Quality and Governance: Ensure the technical stability of the product by building comprehensive unit test coverage for frontend and backend. Accelerate software development cycles by operating artificial intelligence assistants under strict code review and security protocols. Continuous Operations and Delivery: Ensure the availability of releases at early stages by executing and resolving failures in deployment pipelines toward development environments. Skills, Knowledge and Expertise: Must-haves: Master Java 17+ and Spring Boot for creating REST APIs and deployments with architecture.