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Malt Tech Trends 2026
Alex G.AG

Alex G.

Senior Backend & AI Engineer

€440/day
Murcia, ES
8-15 years
Python
Prompt engineering
Artificial Intelligence
Back-End Development
AI Automation

Average response time: 1 hour

Freelancer profile translated to English.
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About Alex

Looking to integrate language models into your existing infrastructure without skyrocketing API costs, or do you need a robust asynchronous backend that supports high concurrency? I can help you transform your technical needs and complex analytical flows into stable, production-ready software products and infrastructures that are ready to scale.

How can I help you and what value do I bring to your business?

*AI and LLM Orchestration**: I design and deploy advanced **LLM-as-a-Service (LLMaaS)gateways. I implement logic for autonomous multi-agent flows, strict context window control, and cost optimization through dynamic prompt routing and semantic caching using the Gemini API.

*Voice and Real-time Interaction**: I configure highly available asynchronous microservices and fluid conversational flows by integrating **ElevenLabsand WebSockets for synthetic voice streaming with minimal latency.
  • **Data Architecture and Performance**: I build massive telemetry ingestion and real-time data processing pipelines by implementing event-driven architectures with **Python**, Go, Kafka, and Redis.
What sets me apart
I don't just create experimental scripts; my approach is pure engineering. I master both intelligent development (**Python/AI**) and low-level performance (**Go/SQL**), as well as cloud automation (**AWS/Docker/DevOps**). This allows me to deliver fully decoupled, modular, and secure solutions under strict confidentiality standards (NDA).

Typical deliverables:
  • Highly available APIs and optimized microservices (FastAPI/Flask).
  • Custom gateways and connectors for efficient LLM consumption.
  • Automated ETL pipelines for analytics and big data processing.
  • Analytical dashboards and metric instrumentation (Grafana/Prometheus).
Software Publishing
HR Services
Health and Wellness
Press and Media
Environmental and Sustainable Development

  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • Luxof
    Senior Backend & AI Engineer
    January 2025 - March 2026 (1 year and 2 months)
    Development and deployment of backend solutions based on microservices (Python/FastAPI) and integration of conversational AI APIs (Gemini) for international clients under a contract basis.
    Python AI GO Prompt engineering Back-End Development
  • TURING
    Senior AI Engineer
    SOFTWARE PUBLISHING
    October 2016 - January 2026 (9 years and 3 months)
    Design and development of highly available microservices and LLM-as-a-Service (LLMaaS) gateways. Implementation of Python architectures for orchestrating dynamic conversational flows and processing complex prompts for clients in the US tech sector.
    Python LLM Prompt engineering GO AI

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Education

  • Degree in Computer Engineering
    Autonomous University of Madrid (UAM)
    2014
    Grado Universitario

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