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AI engineering and LLM integration

I help product teams build LLM integrations, agent systems and AI-dependent features with a clear view of their behavior. The work connects the use case and available data with implementation, evaluation and operating constraints. A promising demonstration is a starting point for investigating what the product can reliably support.

01 / The starting point

When this helps

This service suits teams moving from an idea or prototype into a product, or improving an integration whose quality or cost is difficult to understand. It is useful when the demo works but the team needs evidence about real inputs, failure cases and the consequences of model or workflow changes.

02 / The work

What the work covers

How the consulting process works

We begin with the task the feature should perform, the data it can use and the expectations of its users. I review the current approach and help define the behavior that needs to be evaluated before choosing an integration or agent design.

The scope can include LLM integration, agent and pipeline engineering, an evaluation harness and model or vendor assessment. Quality, usage cost and runtime constraints are considered together. The goal is to give the team a working implementation and a repeatable way to examine its strengths and limitations.

Possible deliverables

  • llm integrations
  • agent systems
  • evaluation harness
  • model and vendor read

03 / Before we start

Bring your context

About Wojciech Bajer

Bring the use case, representative inputs, expected outputs and any existing prototype. Explain where the current behavior succeeds or fails, which data is available and what cost or response-time constraints matter. Examples from the intended workflow are more useful than a demonstration built only around ideal inputs.

04 / Useful questions

Before choosing a route

Can you review an existing AI prototype?

Yes. We can examine the integration and use representative examples to identify what needs further evaluation or engineering. This helps distinguish a model limitation from a problem in the surrounding data, prompts, workflow or application behavior.

Do we need a particular model or vendor?

The choice should follow the task, data and operating constraints. A model or vendor review can compare the relevant options against useful examples and tradeoffs. The evaluation should make the reasoning visible and give the team a basis for revisiting the choice later.

Connected work

The next step is a conversation

Start with your context.

Share the goal, the obstacle, and what needs to move forward.