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Malt Strategy
Dan GalerDG

Dan Galer

AI & Integrations Engineer | Microservices Expert

€344/day
Buenos Aires, AR
3-7 years
Python
PostgreSQL
Node.js
artificial intelligence
Big Data

Average response time: 1 hour

About Dan

Backend & AI Solutions Engineer | Microservices, Integrations, and GenAI
  • I help businesses connect systems, automate workflows, and leverage AI to deliver scalable, future-proof solutions. With over 4 years of experience in backend development and more than 50 successful integrations, I specialize in building systems that are both robust and intelligent.
What I Do
  • AI-Powered Solutions – Build and deploy LLM-based applications (LangChain, LangGraph, OpenAI), from chatbots to data enrichment pipelines.
  • System Integrations – Design seamless data exchange between CRMs, ERPs, and external APIs using microservices.
  • Backend Development – Expert in FastAPI and NestJS, delivering secure, high-performance APIs and services.
  • Data Workflows – PostgreSQL schema design, optimization, and real-time data processing pipelines.
  • Collaboration & Product Fit – Work closely with product and business teams to deliver solutions aligned with company goals.
Whether you need a custom integration, a GenAI-powered assistant, or a scalable backend system, I bring both technical depth and a business-first mindset to every project

  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Complif
    Backend Developer
    August 2022 - Today (3 years and 10 months)
    Buenos Aires, Argentina
    System Integrations & Microservices
    • Developed and deployed high-performance microservices using FastAPI and NestJS, enabling smooth communication between diverse platforms.
    • Specialized in performance, scalability, and maintainability, ensuring solutions grow with your business needs.
    • Managed and optimized data pipelines and workflows using PostgreSQL, delivering low-latency data processing and analysis.
    AI & Automation Projects
    • Built GenAI-powered solutions using LangGraph, LangChain, and OpenAI APIs, including: Automated data enrichment workflows, Intelligent matching & recommendation engines, Conversational AI assistants for support and operations.
    • Integrated LLM-based systems into existing enterprise workflows to reduce manual work and increase operational efficiency.
    • Designed scalable architectures to support AI-driven applications, ensuring cost-efficiency and reliability.
    Collaboration & Product Alignment
    • Worked closely with cross-functional teams to gather requirements, design solutions, and deliver on-time, production-ready software.
    • Partnered with stakeholders to ensure every integration aligned with business objectives and provided measurable impact.
  • Complif
    Customer Success Analyst
    December 2021 - August 2022 (8 months)
    Buenos Aires, Argentina
    • Led end-to-end implementation of tailored projects for financial industry clients, ensuring compliance with regulatory standards and alignment with client business goals.
    • Designed, developed, and deployed custom solutions using Python and FastAPI, significantly improving operational efficiency and addressing unique client requirements.
    • Built and optimized databases with PostgreSQL, including schema design, data modeling, and performance tuning for high-volume transactions.

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Education

  • Engineering
    University of Buenos Aires
    2024
    Engineering

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