m

Marcos R.

@mackre
Spain
English, Spanish
About me
Hi—I'm a Prompt Engineer who builds tested, documented prompt systems, not one-off prompts. I work across ChatGPT, Claude, Gemini & DeepSeek, delivering JSON-first outputs, generator/reviewer pairs, and multi-turn flows ready for RAG/LangChain. Every delivery includes a mini test set, simple KPIs (accuracy/format/cost), and guardrails against injection & bias. I prioritize clarity, versioning, and ROI so you get precise results with fewer tokens. Message me your goal and 2–3 sample inputs—I’ll recommend the right package.... Read more

Skills

m
Marcos R.
Offline • 

Reviews as Buyer

  • J
    image-docs

    josefdez715

    ES

    Spain

    5

    Amazing experience! The buyer gives clear instructions and is very easy to talk to.

    Helpful?
    Yes
    No
  • J
    image-docs

    josefdez715

    ES

    Spain

    5

    Great experience!

    Helpful?
    Yes
    No
  • J
    image-docs

    josefdez715

    ES

    Spain

    5

    Great experience as always.

    Helpful?
    Yes
    No
  • J
    image-docs

    josefdez715

    ES

    Spain

    5

    Amazing experience as always.

    Helpful?
    Yes
    No
  • J
    image-docs

    josefdez715

    ES

    Spain

    5

    Happy to work for him as always.

    Helpful?
    Yes
    No