Insight Integral is hiring a Senior Backend Engineer to support one of our large consulting clients. this role will be supporting cutting-edge projects within the AI space and sitting remotely in Europe.
Day-to-Day
Design, develop, and deploy scalable backend services and APIs supporting a high-performance distributed application
Build and optimize microservices architecture and event-driven systems to support real-time processing (Backend -Develop server-side logic using Python (FastAPI/Flask) and integrate with cloud-based infrastructure (AWS))
Implement and maintain messaging systems and streaming pipelines to support application workflows
Collaborate with cross-functional teams across global time zones to deliver production-ready features
Execute testing strategies (unit, integration, load) and resolve performance or reliability issues
Communicate technical progress clearly to both engineering and business stakeholders
REQUIRED SKILLS AND EXPERIENCE
8–10+ years of backend engineering experience in production environments -Strong Python experience building REST APIs (FastAPI, Flask, or similar)




Experience designing and deploying microservices in containerized environments (Docker, Kubernetes)
Strong understanding of cloud platforms (AWS) and serverless components (Lambda, SQS, Step Functions) -Experience with databases (SQL + NoSQL) and distributed systems architecture
Hands-on experience with event-driven architectures and messaging systems
Strong debugging, performance optimization, and system design skills
Ability to communicate technical concepts and progress clearly to non-technical stakeholders
NICE TO HAVE SKILLS AND EXPERIENCE
Experience with GenAI applications or RAG-based systems
Exposure to AI-first development environments, including working alongside LLM systems or agentic workflows -Familiarity with infrastructure-as-code tools (Terraform, CloudFormation)
Experience with distributed search technologies such as Elasticsearch
Experience working in globally distributed engineering teams
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📌 Backend Engineer (Madrid)
🏢 Insight Global
📍 Madrid