Senior Fullstack Developer (Java & React)

On-site in Spain·Added today

Sngular

6 open roles

Overview

Requirements

  • Have the right to work in Spain

    Sngular doesn't mention sponsorship in the ad.

  • Work on-site in Spain

    No relocation package mentioned.

  • Have senior-level experience

    Senior-level role.

The role

What you'll do

  • End-to-End Development: You will build robust and scalable solutions, from backend business logic to dynamic and intuitive frontend user interfaces.

  • AI-Driven Engineering: You will research, apply, and promote the use of generative AI tools and code assistants to optimize development workflows, automate tasks, and accelerate delivery cycles.

  • Modeling and Architecture: You will design and interpret Entity-Relationship Diagrams (ERDs) to structure data, ensuring consistency and a proper flow of information.

  • Efficient Collaboration: You will work hand-in-hand with the team using Git for version control, guaranteeing best practices in continuous integration and deployment (CI/CD) under modern development approaches.

  • AI and Agent Integration: Research and implement modern AI frameworks to build intelligent features, work with autonomous agent architectures, and connect large language models (LLMs) with our system's capabilities.

  • Advanced Architecture and AI: Implement and evolve systems based on microservices and hexagonal architecture, while also integrating vector databases to support semantic searches and AI contexts.

  • Spec-Driven API Design: Design, build, and consume robust REST APIs using Spec-Driven Development (SDD) approaches, ensuring clear and automatable API contracts for both humans and AI agents.

  • Modern Frontend Ecosystem: Manage complex client-side states using tools like React Redux, Pinia, or Zustand, powering development with TypeScript (JSX/TSX).

  • Quality, Security, and Clean Code: Guarantee maximum software robustness by applying SOLID principles, Clean Code, solid testing strategies, advanced authentication/authorization systems, and specific security patterns for AI integration.

  • Cloud Deployment and Infrastructure: Deploy and optimize our solutions across major Cloud environments (AWS, Azure, GCP, or similar), ensuring a scalable infrastructure for both our traditional and AI workloads.

About Sngular

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IT Services
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