Recommended expert

Jozef (Dipl. Ing.) Darida

Developer, Tester, Architect

Jozef Darida
Bratislava, Slovakia

Experience

Jan 2025 - Present
1 year 2 months

Developer, Tester, Architect

PulserBot

  • Developed an open-source platform for creating personalized, multi-theme, and multi-language content bots.
Jan 2025 - Present
1 year 2 months

Developer, Tester, Architect

SourceLens

  • Designed an LLM-based system for structured analysis of source code and web content.
  • Defined expected agent behavior, evaluated outputs for correctness and completeness, and reduced hallucinations using AST-based validation.
Jan 2022 - Dec 2023
2 years
Germany

QA Engineer – Test Automation & Dev Integration (Freelancer)

NXP Semiconductors

  • Implemented test automation and validation scenarios for automotive radar firmware using Java.
Jan 2019 - Dec 2024
6 years
Austria

QA Engineer – Test Automation & Dev Integration (Freelancer)

Infineon Technologies AG

  • Designed structured test scenarios for embedded firmware.
  • Defined expected behavior.
  • Automated evaluation pipelines using Python, Jenkins, pytest.
Jan 2012 - Dec 2018
7 years
Germany

QA Engineer – Test Automation & Dev Integration (Freelancer)

Apple / Intel Mobile GmbH

  • Tested and evaluated Intel mobile modems (LTE, NB-IoT, LTE Cat M1) in live networks and simulator environments.
  • Designed structured test scenarios, reviewed system behavior, and validated results across global test labs.
Jan 2007 - Dec 2012
6 years
Germany

QA Engineer – Test Automation & Dev Integration (Freelancer)

Nokia / Nokia Siemens Networks

  • Tested and validated LTE, LTE Advanced, UMTS, and WCDMA base station components (L1 PHY, L2 MAC/U-plane).
  • Designed and documented test cases, analyzed failures, and validated protocol behavior using C++.
Jan 2000 - Dec 2006
7 years
Slovakia

Software Engineer – Software Design

Nokia / Alcatel

  • Designed and implemented core network software modules (SGSN), including RANAP, Charging, and Observation modules.
  • Developed GSM test frameworks using C++.

Developer, Tester, Architect

PythonLens

  • Transforms complex software projects into an interactive, local database, allowing developers to instantly visualize dependencies.
  • Predicts the impact of changes and proactively improves code quality.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Telecommunication (19 years), Manufacturing (6 years), Automotive (2 years), and Information Technology (1 year).

Telecommunication
Manufacturing
Automotive
Information Technology

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Quality Assurance (19 years), Product Development (16 years), and Information Technology (14 years).

Quality Assurance
Product Development
Information Technology

Summary

Senior software test engineer and architect with 20+ years of experience in systematic test design, behavioral validation, and automation across embedded, telecom, and safety-critical systems. In recent years, focused on LLM-based systems, including designing structured evaluation scenarios, defining golden paths, reviewing agent outputs, and identifying failure modes such as hallucinations and incorrect reasoning.

Skills

  • Python

  • Llm Evaluation

  • Ai Agents

  • Test Automation

  • Llm & Ai Agent Evaluation

  • Test Scenario Design (Golden Path, Edge Cases, Failure Modes)

  • Behavioral Scoring & Output Review

  • Prompt Engineering & Robustness Testing

  • Python Test Automation (Pytest, Custom Frameworks)

  • Static Code Analysis (Ast)

  • Ci/cd (Jenkins, Github Actions)

  • Technical Documentation & Knowledge Transfer

  • Python

  • Java

  • C

  • C++

  • Pytest

  • Jenkins

  • Git

  • Jira

  • Duckdb

  • Llm Apis

Languages

Slovak
Native
English
Advanced

Education

Technical University

Dipl. Ing. (Master’s Degree) · Electrical / Software Engineering

Profile

Created
Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Frequently asked questions

Do you have questions? Here you can find further information.

Where is Jozef based?

Jozef is based in Bratislava, Slovakia.

What languages does Jozef speak?

Jozef speaks the following languages: Slovak (Native), English (Advanced).

How many years of experience does Jozef have?

Jozef has at least 26 years of experience. During this time, Jozef has worked in at least 3 different roles and for 7 different companies. The average length of individual experience is 4 years and 9 months. Note that Jozef may not have shared all experience and actually has more experience.

What roles would Jozef be best suited for?

Based on recent experience, Jozef would be well-suited for roles such as: Developer, Tester, Architect, QA Engineer – Test Automation & Dev Integration (Freelancer), Software Engineer – Software Design.

What is Jozef's latest experience?

Jozef's most recent position is Developer, Tester, Architect at PulserBot.

What companies has Jozef worked for in recent years?

In recent years, Jozef has worked for PulserBot, SourceLens, NXP Semiconductors, and Infineon Technologies AG.

Which industries is Jozef most experienced in?

Jozef is most experienced in industries like Telecommunication, Manufacturing, and Automotive. Jozef also has some experience in Information Technology (IT).

Which business areas is Jozef most experienced in?

Jozef is most experienced in business areas like Quality Assurance (QA), Product Development, and Information Technology (IT).

Which industries has Jozef worked in recently?

Jozef has recently worked in industries like Manufacturing, Automotive, and Information Technology (IT).

Which business areas has Jozef worked in recently?

Jozef has recently worked in business areas like Information Technology (IT), Quality Assurance (QA), and Product Development.

What is Jozef's education?

Jozef holds a Master in Electrical / Software Engineering from Technical University.

What is the availability of Jozef?

Jozef is immediately available full-time for suitable projects.

What is the rate of Jozef?

Jozef's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Jozef?

To hire Jozef, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
200
Market avg: 570-730 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.