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# Senior Fullstack Developer (Java & React)

- **Company:** Sngular
- **Location:** Lleida (Lérida), Spain
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Artificial Intelligence, Amazon Web Services, Application Integration Architecture, Microsoft Azure, Cloud Computing, Continuous Integration, Integrated Development Environments, Systems Integration, Strategies of Testing, TypeScript, Google Cloud, ReactJS, Large Language Models, Spring-boot, Backend, Front End Software Development, React Redux, Api Design, Restful APIs, Microservices
- **Published:** September 29, 2026
- **Apply:** https://www.buscojobs.com.es/senior-fullstack-developer-java-react-en-lleida-ID-373283915

## About the Role

Cloud deployment and infrastructure: deploy and optimize solutions across AWS, Azure, GCP or similar
Requisitos principales 3+ years of experience in Java (Spring Boot) and React
fluent communication skills and agile mindset
experience with AI tools/frameworks and integrating AI into workflows
ability to design and implement REST APIs and microservices
familiarity with CI/CD practices
experience with frontend state management libraries (React Redux, Pinia, Zustand) and TypeScript
communication
agile mindset
team collaboration
Java (Spring Boot)
React
React Redux

## Description

OverviewIn this role you will build robust, scalable software end-to-end, from backend services to rich frontend interfaces. You will work within an AI-driven, Spec-Driven Development environment and collaborate with a cross-functional team to accelerate delivery. You will explore and apply generative AI tools to optimize workflows and integrate AI contexts with microservices architectures. This position emphasizes high-quality code, secure and maintainable design, and cloud deployment across major platforms. A strong focus on collaboration, agility, and impact within a diverse team will shape the product and its user experience.Compensaciones / Beneficios Budget for trainingWelcome packWellbeing pack2 days for technical eventsBirthday day offUdemy accessResponsabilidades AI and agent integration: research and implement modern AI frameworks and connect LLMs with the systemAdvanced architecture and AI: develop microservices-based, hexagonal architectures with vector databasesSpec-driven API design: build and consume REST APIs with Spec-Driven Development and automatable contractsModern frontend ecosystem: manage complex client-side state with React-related tools and TypeScriptQuality, security, and clean code: apply SOLID, testing strategies, and secure AI integration patternsCloud deployment and infrastructure: deploy and optimize solutions across AWS, Azure, GCP or similarRequisitos principales 3+ years of experience in Java (Spring Boot) and Reactfluent communication skills and agile mindsetexperience with AI tools/frameworks and integrating AI into workflowsability to design and implement REST APIs and microservicesfamiliarity with CI/CD practicesexperience with frontend state management libraries (React Redux, Pinia, Zustand) and TypeScriptcommunicationagile mindsetteam collaborationJava (Spring Boot)ReactReact Redux


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