Full-stack Developer (AI Solutions)

Job Description

We're looking for a full stack developer to join our growing Process Improvement team. If you're interested in AI solutions development and would like to further enhance your engineering skillset in a global company, then PSI might be the right choice for you.

Full-time employment based in Spain

You will:

• Architect, design, build, and maintain full-stack applications (web and desktop) using modern stacks (React, Next.js, Python, C#).
• Develop APIs, data models, workflows, and backend services using Python (FastAPI, Django) or optionally C#.
• Work with PostgreSQL (and SQL generally) to design database schemas, optimize queries, and ensure reliability.
• Write performant queries and manage schemas with PostgreSQL and SQL.
• Integrate with cloud-native services on Azure (Azure App Services, Azure OpenAI, Cosmos DB, Pipelines).
• Work in Linux environments to set up local environments, scripts, services, and troubleshooting tools.
• Create Docker containerized services, manage CI/CD pipelines through Azure Pipelines.
• Use Jira (or Atlassian ecosystem) for issue tracking and Agile sprint execution.
• Produce documentation and system diagrams: architecture, data flows, README files, onboarding guides.
• Mentor other engineers, participate in code reviews, and support design decisions.

Qualifications

Must have:

• Bachelor's degree in Computer Science or related discipline
• Minimum 5 years' experience in software development
• Cloud / Azure: Proven real-world experience with Azure (App Services, Pipelines, OpenAI or AI services)
• Databases: Strong expertise in PostgreSQL and SQL (schema design, tuning, policies, migrations).
• Languages & Frameworks:
  • Advanced Python backend development (Flask, FastAPI, Django, etc.)
  • React and TypeScript frontend development (Next.js, preferably with ShadCN/UI or similar design systems)
  • Experience with Authentication and Callbacks
• Docker / Containerization: Experience building and deploying container-based services
• CI/CD: Hands‑on experience with Azure Pipelines in production environments.
  • Creating Azure Test Plans
  • Creating Azure Test Pipelines
  • Creating Azure Build Pipelines
• Project Tracking: Experience using Jira for Agile development workflows.
• System Design & Documentation: Able to produce detailed design documents, readmes, API specs, and architecture diagrams.
• Security: Background working with security-first or compliance-regulated environments (e.g., finance, healthcare, or government)

Plus:

• Experience integrating AI/GenAI models or services (e.g. Azure OpenAI, LLMs, vector DBs, RAG workflows)
• Experience in enterprise CI/CD governance and change control.
• Prior roles collaborating with data science teams or AI research groups in an agile delivery context

Additional Information

• Stable, privately-owned company, organically growing since 1995
• Comfortable office facilities with easy commute; opportunities to work office-based/hybrid/remote from Spain
• Intensive induction program, technical and industry-related trainings for an optimal start and continuous development
• Friendly and supportive atmosphere in a committed team
• International environment, with colleagues around the world
• Opportunities to quickly see the results of your work
• Attractive income package; performance-based bonuses; corporate benefits