Artur Valter Software Development Service

Software engineering for AI and data products

Backend systems, data platforms and AI agents, from first prototype to production. Based in Bratislava, working remotely with clients in Europe and beyond.

Discuss a project

Services

B2B contracts, remote delivery, monthly or per-project billing.

  • AI agents & LLM systems

    Agents that investigate, summarise and explain, with retrieval, tool use, evaluation and cost control for production workloads.

  • Data platforms

    Pipelines and analytics over large datasets: ingestion, modelling, feature computation and query performance.

  • Backend development

    Services and APIs in Python and Java, from design through deployment and support.

  • Cloud & Kubernetes

    Deploying, operating and troubleshooting containerised systems on Azure, with CI/CD and observability.

  • Technical leadership

    Architecture, code review and delivery leadership for engineering teams shipping to demanding customers.

  • Web data collection

    Crawlers and scrapers that collect public web data reliably: scheduling, rate limiting, parsing and clean structured output.

My projects

Five years at a fintech company building AI for financial-crime detection, from platform engineer to team leader.

AI investigation agent

An LLM agent that investigates money-laundering alerts. I led the team from first release to production at a large bank.

LLM agents, Python, LiteLLM, Azure OpenAI

AI quality & tools

Evaluation of AI answers, plus tools for the agent: web search, page scraping and document scanning.

LLM evaluation, web search, scraping, Python

Customer risk scoring

A risk engine that scores bank customers, and a no-code rule builder for analysts.

Python, PostgreSQL, Airflow

Risk insights & network graphs

Explanations of why a customer is risky, account networks, and matching accounts of the same person.

Python, PostgreSQL, graph data, encryption

Data encryption

Encryption of sensitive stored data, and secure access to databases.

Encryption, Keycloak, Python

Backup & disaster recovery

Backup and restore for the whole platform, and the migration to OpenSearch.

Kubernetes, OpenSearch, MinIO, PostgreSQL, Logstash

About

The company is led by Artur Valter, a software engineer and former tech lead and team leader in fintech, where he led the delivery of AI-based investigation products to banks.

The work is hands-on: the person you talk to is the person who writes and ships the code.

Contact

Tell us briefly about the project. We reply within two working days.