Senior Software Engineer Backend/AI

Aircall is seeking a Senior Backend/AI Software Engineer to join their team in Madrid. This role is crucial for designing, developing, deploying, and operating business-critical AI features that add customer value on top of Voice. The ideal candidate will have 5+ years of experience in back-end development, with a strong focus on AI technologies.

Key responsibilities include:

• Participating in requirements analysis
• Proposing innovative solutions based on AI landscape trends
• Designing and architecting AI key modules
• Writing clean, scalable code and deploying applications
• Optimizing product and platform performance
• Mentoring team members

The role requires extensive AI experience, including:

• Knowledge of LLMs (GPT, Mistral, Llama, Claude, etc.)
• Experience with AI frameworks (Langchain, LlamaIndex, Auto Gen, etc.)
• Familiarity with AI architectures (RAG, reranking, etc.)

Aircall offers a competitive salary package, benefits, and a diverse, multicultural work environment. They value work-life balance and provide opportunities for fast learning and growth. The company is backed by over $220 million in investment since 2015 and is in a key growth phase.

Join Aircall to be part of a team that values innovation, collaboration, and making authentic, human connections through technology.