Senior AI Software Engineer (AI)

TL;DR

Senior AI Software Engineer (AI): Design, develop, deploy, and operate AI-driven features for a customer communications platform with an accent on operational excellence, metrics, observability, and best practices. Focus on proposing innovative AI solutions, building with LLMs and Agentic AI systems, and ensuring system reliability under real-world conditions.

Location: Hybrid, based in Madrid, Spain

Company

hirify.global is a unicorn AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, faster resolutions, and scale.

What you will do

• Own key responsibilities in the design, architecture, and end-to-end delivery of AI-driven modules.
• Propose innovative solutions by staying ahead of AI landscape trends and emerging technologies.
• Create, design, develop, test, and monitor your code in production autonomously and reliably.
• Collaborate with product managers, designers, and other engineers to offer pragmatic solutions.
• Mentor and promote tech growth within the teams.
• Participate in an on-call rotation to respond to critical system issues and ensure continuous system reliability.

Requirements

• At least 5+ years experience in software development, focusing on security, scalability, availability, and performance.
• AI experience is a must: strong knowledge of LLMs and hands-on experience building with them (usage, prompting, model integration).
• Proven understanding and direct experience with Agentic AI systems, including designing, developing, and deploying AI Agents.
• Familiarity with AI frameworks (e.g., LangChain, LlamaIndex, AutoGen) and modern AI architectures (RAG, vector databases, reranking).
• Can design pragmatic and simple architectures to solve problems at scale.
• Possess effective and proactive communication skills and collaborate with different profiles and roles.

Nice to have

• Experience working on frontend applications, preferably with React.
• Experience with AWS in a production environment, preferably for high volume/high availability services.

Culture & Benefits

• Fast-learning environment with an entrepreneurial and strong team spirit.
• Cosmopolite and multi-cultural mindset with 45+ nationalities.
• Competitive salary package and benefits.
• Strong commitment to diversity, equity, and inclusion.
• Work-life balance is important at hirify.global.