What services does István Ékes offer?

István Ékes offers test automation (Selenium, Appium, PyTest, Jest), full-stack web development (React, Angular, Next.js, WordPress), mobile app development (React Native), AI & automation integration (LLM, n8n, Zapier), e-commerce solutions (Shopify, WooCommerce, Medusa.js), and IT consulting for businesses across the EU.

Where is István Ékes based and does he work remotely?

István Ékes is based in Saarbrücken, Germany (Saarland). He works both on-site in the DACH region and fully remote for clients across the EU.

How can I contact István Ékes for a project?

You can reach István via email at contact@istvanekes.com, by phone or WhatsApp at +49 179 152 4004, or through LinkedIn at linkedin.com/in/istvan-ekes. He typically responds within 24 hours.

Was kostet eine Website bei István Ékes? (What does a website cost?)

Die Kosten hängen vom Projektumfang ab. Für eine individuelle Preiseinschätzung können Sie István direkt kontaktieren: contact@istvanekes.com oder +49 179 152 4004. / Pricing depends on scope. Contact István directly for a custom quote.

Milyen technológiákat használ Ékes István? (What technologies does he use?)

Ékes István számos technológiával dolgozik: Python, JavaScript, TypeScript, React, Angular, Next.js, React Native, Node.js, WordPress, Shopify, PostgreSQL, Docker, Selenium, Appium és sok más. / He works with Python, JavaScript/TypeScript, React, Angular, Next.js, React Native, Node.js, WordPress, Shopify, PostgreSQL, Docker, Selenium, Appium, and more.

Available for work · Saarbrücken, Germany 🇩🇪

Engineer. Founder. Human.

Hey, I'm István, a freelance Software Engineer with 7+ years of experience in test automation, web & mobile development, and AI-driven solutions. Founder of QAVLAR.tech.

Get in touch Explore QAVLAR

Python Test Automation React Native WordPress AI & LLM Docker Full-Stack

István Ékes, warm and approachable software engineer and founder, photographed in natural light

7+ Years exp.

EU EU-based

7+ Years of experience

20+ Projects delivered

1K+ Bugs caught & fixed

EU Working across the EU

Why choose me

Quality, expertise, and a client-first approach

Quality & Reliability

Committed to delivering high-quality, scalable, and secure solutions on time and within budget, no surprises, no jargon.

Proven Expertise

7+ years across industries, from fixing 1,000+ failing enterprise tests and halving execution time, to production mobile apps and AI-driven workflows.

Client-Centric Approach

I take the time to understand your goals and challenges, tailoring every solution to your specific needs, and I stay available after launch.

What I offer

Services

Web & Mobile Development

From WordPress sites to cross-platform Android & iOS apps, fast, scalable, secure solutions with API integrations that work in production.

Custom WordPress, Angular, Next.js
React Native (Android & iOS)
E-commerce (Shopify, WooCommerce)
API integrations & App Store publishing

Testing & QA

Manual or automated, I find bugs before your users do. One client's test suite went from 17 hours to 8.

Python / Selenium / Appium / PyTest
Browserstack, SikuliX, Postman
CI/CD integration & BDD frameworks
REST API & end-to-end testing

AI & Automation

Integrating Generative AI and building custom automation pipelines for marketing, content, workflows, and customer interaction.

LLM & RAG integrations (OpenAI)
n8n / Zapier / Python automation
Custom prompt engineering
AI-powered marketing & content tools

Consultation & Problem-Solving

Stuck on a technical decision? Vendor-neutral advice, code reviews, system diagnostics, and emergency debugging.

Technical architecture reviews
Tech stack selection & audits
Emergency debugging support
Workflow optimisation

PC Repair & Smart Home

Windows, macOS, Linux, Raspberry Pi, or Home Assistant, no glitch is too niche. Smart home automation for IoT environments too.

Hardware repairs (PC & laptop)
Data recovery
Smart home: MQTT, Home Assistant, RPi
Router & network setup

Need something not listed?

I love a challenge. If your problem doesn't fit neatly into a category, reach out, chances are I've solved something similar before.

Let's talk

Selected work

Portfolio

Anikó Horváth Kosmetik

Custom Shopify webshop

Bespoke Shopify theme for a German cosmetics brand, custom product configurator, payment integration, and a mobile-first layout built for conversion.

+180% online orders in 3 months

ShopifyCustom ThemePayment IntegrationMobile-First

Visit website

B&B Reifenservice GmbH

WooCommerce + Elasticsearch

WooCommerce webshop with 70,000+ products, a custom-built plugin and Elasticsearch integration for lightning-fast search, hosted on QAVLAR-owned infrastructure.

70,000+ products · load time under 1.5 s

WooCommerceElasticsearchCustom PluginSelf-hosted

Visit website

DokoDelux

SEO & Google Ads

Website and digital strategy for a vehicle-wrapping specialist, technical SEO, local search ranking, and targeted Google Ads campaigns for measurable lead generation.

Top-3 Google ranking + measurably more leads

SEOGoogle AdsWordPressLocal Search

Visit website

FableSprout

AI bedtime story app, iOS & Android

Intelligent bedtime story app that generates fully personalised, AI-powered stories teaching children moral lessons in a playful way, built and shipped to both app stores.

iOS & Android, React Native

React NativeOpenAIiOSAndroid

NZ Performance

High-performance automotive website

Modern, brand-forward website for a German automotive performance specialist, striking product presentation, fast load times, and an inquiry flow that converts.

Professional web presence live

WordPressCustom DesignSEOLead Gen

Visit website

Robolization

Robotics & Python, LEGO EV3

LEGO Mindstorms EV3 robot programmed in Python to autonomously play football, sensor fusion, motion control, and real-time decision logic all running on embedded hardware.

Autonomous football-playing robot

PythonLEGO EV3RoboticsSensor Fusion

How to work with me

Two ways to work with István

Brand

QAVLAR.tech

Full-team delivery

End-to-end AI integration and software development. A full team, scalable processes, and production-grade solutions, from e-commerce to AI agents.

Capabilities

WordPress, Next.js, React Native
Shopify & WooCommerce
LLM, RAG & AI Agents
n8n / Zapier automation
Test automation & QA
Technical consulting & audits

Visit QAVLAR.tech

Direct

Work Directly with István

Individual engineering & advisory

Same expertise, direct access. Ideal when you need me personally, for freelance engineering, AI implementation, emergency debugging, code reviews, or technical advisory.

Capabilities

Freelance software engineering
AI & automation implementation
Technical consulting & audits
Emergency debugging & code reviews

Get in touch

The person behind the work

About me

István Ékes, relaxed and curious, in a candid moment

🇭🇺 → 🇩🇪

Budapest → Saarbrücken Senior Engineer

Hey. I'm István, a passionate freelance software developer creating innovative digital solutions that solve real-world problems and inspire growth.

Whether you need a stunning website, a custom app, or a seamless automation script, I bring creativity, technical expertise, and a client-focused approach to every project.

Born in Budapest, based in Saarbrücken, I combine Hungarian creativity with a dedication to precision and reliability that clients in the DACH region expect.

Request CV QAVLAR.tech

My approach to work

Practical Solutions Over Perfection

Technology should solve real problems, not chase unnecessary complexity.

Continuous Improvement

Every project is an opportunity to refine and optimise systems over time.

Clear Communication

Regular updates, no jargon, no surprises, you know what's happening at every stage.

Technology in Service of People

Every system exists to help users. I build with human factors front and center.

Work Experience

2024 – Present

Software Developer

Freelance · Germany

Process automation using Python
AI & Generative AI integrations
Full-stack web development
Cross-platform mobile app development
Test automation framework architecture

2021 – 2023

Test Automation Engineer

XRoadMedia GmbH · Austria

Automated tests in Python for AI-powered personalisation system (REST API)
Fixed 1,000+ failing tests; 17h → 8h execution time

2019 – 2021

Software Engineer

Rubin Informatika · Hungary

Python test framework for real-time pricing system
Hundreds of automated tests & Python daemons
Presented features directly to customers

2019

Frontend Developer

CAE Healthcare · Hungary

Angular / TypeScript frontend, Perl backend

Education & Certificates

2016 – 2019

Computer Science BSc

University of Pannonia, Hungary

Thesis: Dashboard for monitoring an automatic distributed system. Also programmed a LEGO EV3 robot to play football in Python.

2019

CCNA Security Certificate

Cisco · via University of Pannonia

Currently

Machine Learning Crash Course

Google

Skills & Technologies

Programming

PythonPerlPHPC / C++C#BashKotlinCommon Lisp

Web

JavaScriptTypeScriptHTML5CSSReactNext.jsAngularTailwindNode.jsReact NativeMedusa.jsWordPress

Databases

PostgreSQLMySQLOracle SQLMS SQLSQLiteSupabaseRedis

Testing

PyTestJestPlaywrightSeleniumAppiumPostmanBrowserstackSikuliXTestomatBDD

DevOps & Tools

DockerGitCI/CDCloud/VPSMQTTJIRAConfluenceStripeShopifySVNMercurial

AI & Smart Home

OpenAI / LLMRAGn8nZapierHome AssistantRaspberry Pi

Let's talk

Let's turn your ideas into reality.

Do you have a project, an idea or a question? Contact me, I respond within 24 hours.

Email me directly contact@istvanekes.com · I respond within 24 hours

WhatsApp +49 179 152 4004 · For quick questions and scheduling

LinkedIn QAVLAR.tech · Connect and follow for updates

QAVLAR.tech Full-team delivery, explore services and projects at qavlar.tech