Senior AI Engineer — Retrieval-Augmented AI Platform

Softeq; Warszawa; Hybrid; PLN 200,000 - 280,000; Full time

Job summary

Softeq is seeking a Senior AI Engineer to join our team and contribute to cutting-edge AI initiatives across product development, data platforms, and scalable services. You will own retrieval-augmented generation features, manage prompts, and oversee model evaluation, observability, and cost considerations.

You will work with Databricks, FastAPI, and React to implement robust AI capabilities, build semantic indexes, and ship features through the service layer and user interface, in a

Qualifications

• Retrieval-augmented generation in practice: context assembly, relevance evaluation, working within context limits, vector indexes and keeping them current.
• Prompt and context engineering as a versioned, repeatable process.
• Evaluation of AI features: test sets, metrics, regression when the model updates.

Responsibilities

• Builds and hardens an AI assistant grounded on a curated data layer.
• Delivers product AI features: personalized recommendations, generated summaries and briefings, in-product assistance, learning suggestions, and irregularities detection in reporting.
• Owns prompt and context orchestration, retrieving data from catalogs with proper user permissions.
• Builds and maintains indexes for semantic search and keeps them current as tables change.
• Implements guardrails: instruction injection resistance, restricted scope, and output filtering.
• Builds evaluation practice: example sets, regression runs when a model or prompt changes, and acceptance criteria.
• Monitors inputs, outputs, quality, latency and cost per request, and supports explainability of answers.
• Ships AI features into the service layer and the application interface.

Skills

Context assembly

Prompt engineering

Model evaluation

Observability

Tools

Databricks

FastAPI

React

SQL

Vector search

Job description

Softeq is seeking a Senior AI Engineer to join our team and contribute to cutting-edge AI initiatives across product development, data platforms, and scalable services. You will own retrieval-augmented generation features, manage prompts, and oversee model evaluation, observability, and cost considerations.

You will work with Databricks, FastAPI, and React to implement robust AI capabilities, build semantic indexes, and ship features through the service layer and user interface, in a