Senior AI Software Engineer - Flexible, Platform-Driven

Astek Group; Barcelona; On-site; EUR 70,000 - 105,000; Full time

Job summary

Astek Group in Barcelona is seeking a Senior AI Software Engineer to join a leading international aviation company, contributing to innovative digital solutions within the aviation industry.

You will design, build, and maintain AI-powered capabilities, integrate with AI models and development tools, and drive production-ready, observable AI services while collaborating with platform, DevOps, security, and product teams. Flexible schedules and professional growth are emphasized.

Qualifications

• Bachelor's degree in Computer Science or related field.
• Hands-on software engineering with Python/Java/TypeScript.
• Experience integrating LLMs, AI APIs, or agent frameworks.
• Knowledge of prompt engineering, RAG, MCP, and AI agents.
• Proficient in CI/CD, testing, containerization, and cloud-native development.
• Ability to collaborate with cross-functional teams.
• Nice to have: reusable developer platforms or internal tools.
• Nice to have: experience with local LLMs, Kubernetes, Docker, and cloud platforms.
• Nice to have: responsible AI, security, and governance practices.
• Nice to have: adoption of new engineering technologies in large organizations.

Responsibilities

• Design, build, and maintain AI-powered engineering capabilities, workflows, and reusable components.
• Develop integrations with AI models, developer tools, and software delivery platforms.
• Build reusable AI-enabled solutions that accelerate development productivity across teams.
• Integrate engineering platforms and developer tools into an AI-driven ecosystem.
• Define automation, human oversight, and governance for AI workflows.
• Balance usability, reliability, security, cost, and performance in AI designs.
• Develop production-ready, observable AI-enabled services.
• Implement testing, CI/CD, monitoring, logging, and operational best practices.
• Collaborate with platform, DevOps, security, and product teams to integrate AI into SDLC.
• Support engineering teams with documentation, templates, and best practices.
• Gather user feedback and continuously improve AI capabilities.

Skills

Python/Java/TypeScript proficiency

LLMs integration experience

CI/CD practices

Collaborative teamwork

Prompt engineering/RAG/MCP/AI agents

Cloud-native development

Education

Bachelor's degree in Computer Science or related field

Tools

Kubernetes

Docker

Cloud platforms

AI APIs

Agent frameworks

Job description

Astek Group in Barcelona is seeking a Senior AI Software Engineer to join a leading international aviation company, contributing to innovative digital solutions within the aviation industry.

You will design, build, and maintain AI-powered capabilities, integrate with AI models and development tools, and drive production-ready, observable AI services while collaborating with platform, DevOps, security, and product teams. Flexible schedules and professional growth are emphasized.