Senior Software Engineer · Contractor · Zurich

Your senior engineer for AI full-stack projects.

AI engineering with RAG and LLMs, plus Java Spring Boot, React, Angular, Python and .NET — projects across eight industries, from banking to healthcare. I take your project from architecture to go-live.

Request a project →contact@slaven.ch

Reply within 24 hours

million Lines of Code

Industries

10+

Projects delivered

24h

Response time

// Stack

AI EngineeringRAG · LLM · GPT integrations

BackendJava Spring Boot · Python · .NET · JUnit / Mockito

FrontendReact · Angular · TypeScript · Cypress / Playwright

Cloud & DevOpsAzure · Kubernetes · OpenShift · PostgreSQL / MongoDB

// Industries

Banking
Healthcare
Transport
Government
Construction
Textile
Education
Infrastructure

// Certifications & training

✓ iSAQB Software Architecture Foundation
✓ AZ-900 Azure Fundamentals
✓ IREB Requirements Engineering
✓ Advanced Kubernetes

Selected projects

Banking · Global

AI search engine for a large global bank

Enterprise search powered by LLMs and retrieval-augmented generation — relevant answers instead of keyword hit lists.

Python
RAG / LLM
Azure

Read case study →

Enterprise Software · Switzerland

ChatGPT-powered assistant for a multi-language document base

Retrieval-augmented ChatGPT integration letting staff query a large multi-language document library in natural language instead of manual search.

.NET
Blazor
Semantic Kernel

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Transport · Switzerland

Construction, event and traffic planner for a transport company

One planning platform for construction sites, events and traffic — a single source of truth for daily operations.

Java / Spring Boot
Angular
Kubernetes

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Textile · Global association

Performance indicators and data acquisition for a global textile association

Automated data acquisition and KPI reporting for members worldwide — decisions backed by data.

React
TypeScript
Material UI

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Healthcare

Content platform for a healthcare company

React front end with static-site generation and a headless CMS — fast, editor-friendly pages.

React
Gatsby
GraphQL

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Non-profit · Language technology

AI-assisted language tools for a non-profit association

Java/Spring AI platform on Azure OpenAI — schema-validated, reliable AI language support inside a system the association owns.

Spring AI
Azure OpenAI
Angular

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Education · Switzerland

API integrations for an educational-services company

Java-based REST/SOAP/RPC integrations connecting core systems for an educational-services company — reliable data exchange, verified end to end.

Java
REST / SOAP
CI/CD

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Facility Management · Internal Platform

Backend for an internal building-management platform

Spring Boot backend for day-to-day facility and building management — a reliable system of record replacing ad-hoc spreadsheets.

Java / Spring Boot
OpenAPI
OpenShift

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IT Infrastructure · Datacenter

Platform engineering and test automation for a datacenter operator

Ansible-driven platform tooling and Playwright-based test automation for a datacenter operator — safer changes, verified with data.

Python
Playwright
Ansible

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Construction · Switzerland

Monitoring platform for construction sites

Angular/NodeJS monitoring platform giving construction teams real-time visibility into site status across a microservice backend.

Angular
NodeJS
PostgreSQL

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Have an idea in mind?

Briefly describe what you are planning — you will receive an assessment and a proposed meeting slot within 24 hours.

✉ contact@slaven.ch

◎ Zurich, Switzerland · remote & on-site

// Direct inquiry

→ Project & goal

→ Technology environment

→ Timeframe & workload

Open e-mail with template

Opens your e-mail client — subject and structure are pre-filled.