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Lead  Software Engineer - Al Product development

Spain - Barcelona💼 Full-time🗓 2026-05-14 → 2026-07-31

Core

Lead Software Engineer designing and building scalable AI-powered backend services, LLM-based applications, and microservices for LS&H products.

Role type

Lead Software Engineer (AI Product Development)

Builds

Cloud-native AI services, LLM-driven applications, APIs, and microservices for LS&H products

Domain

AI/ML, Cloud Infrastructure, Backend Engineering

Deliverable

production ML models | product features | infrastructure

Required skills

Python backend engineering, cloud ecosystem expertise (Azure/AWS), LLM and agentic AI application development, microservices architecture, ETL pipeline development, API design

Preferred skills

Software architecture definition, AI/ML workflow implementation (RAG, vector databases), technical mentoring, cross-functional collaboration

Technologies

Python, Azure, AWS, LLMs, microservices, ETL pipelines, vector databases

Responsibilities

Scoping and shaping AI platform initiatives, designing and maintaining backend services, translating requirements into code, collaborating with Cloud Ops and Product teams, building LLM-based applications, leading technical approach from design to implementation, testing and validating solutions

Seniority

Lead, hands-on IC with strategic influence

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