Internship- Agentic AI to support Web UI and API testing

Thales is hiring an Internship- Agentic AI to support Web UI and API testing. Level rates it ; you can apply on Thales.

Level's read on this job

Level rates this role Uses AI ●●○○: an ordinary role that requires AI tools.
Tools and skills the posting cites include Claude, Codex and prompt engineering.
Level classifies it as an internship.
Level lists 3,500+ other open roles at Thales.
The role was posted in the last few days.

AI in this role

claudecodex

prompt-engineeringai-agents

Location: Praha, Czechia

Thales people architect identity management and data protection solutions at the heart of digital security. Business and governments rely on us to bring trust to the billions of digital interactions they have with people. Our technologies and services help banks exchange funds, people cross borders, energy become smarter and much more. More than 30,000 organizations already rely on us to verify the identities of people and things, grant access to digital services, analyze vast quantities of information and encrypt data to make the connected world more secure.

Thales in the Czech Republic employs over 400 people from 45 different nationalities. A total of 15 teams work on projects for government agencies, banking, mobile services and the Internet Of Things (IoT) technology. At the core of our business is the development of software which we configure and embed in a multitude of different devices and form factors. These include many kinds of payment cards, SIM cards, travel passes, secure eBanking devices, authentication tokens, machine identification modules (MIM), and secure ID documents including ePassports, eID and eHealth cards, as well as eDriving licenses. Because of the international environment surrounding us every day, it comes as no surprise that English is our official corporate language.

Goal

We are looking for a motivated intern with a passion for exploring how AI can support software automation testing to join us for 6 months Internship in Prague, CZ.

You will work closely with our product teams to:

Experiment with cutting-edge AI tools
Apply them to Web GUI and Web Service API test generation to improve automation
Propose improvements for our processes

This internship is hands-on: you’ll shadow testers, build agents based on real project context, and document results.

Key Responsibilities:

AI for Testing

Build AI agents to generate functional tests, and integration tests
Review AI-generated test cases with teams and evaluate accuracy, coverage, and maintainability and document results
Support the creation/integrate AI agents using MCP servers to improve development performance and software quality

Process Improvement

Shadow development and QA teams to identify opportunities where AI can improve workflows (e.g., documentation, sprint summaries, reporting)
Propose new ways to integrate AI into daily dev/test practices

Requirements

Must have

Knowledge of AI (how things work - agents architecture, AI agentic, etc.)
Understanding of prompt engineering, context engineering
General knowledge of software engineering processes and practices
Ability to read code in other programming languages such as JavaScript, Python
Proficiency in English (at least B2 intermediate level)

Nice to have

Understanding of loop engineering
Understanding of Model Context Protocol (MCP)
Experience with code agents (Codex, Claude, Cline)

At Thales we provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working. Great journeys start here, apply now!

How we rate this

Internship- Agentic AI to support Web UI and API testing at Thales rates 44 out of 100 for how much of the daily work is AI. That makes it Uses AI (AI Level 2 of 4). The level is about AI in the job, not seniority.

Classification

Uses AI. An ordinary role that requires AI tools.

●●●● Builds AI80 to 100
●●●○ Works on AI60 to 79
●●○○ Uses AI40 to 59
●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Key facts

Internship- Agentic AI to support Web UI and API testing is an open job at Thales.
Level rates this role AI Level 2 of 4: Uses AI.
The role is based in Praha.
The job was posted on October 30, 2026.
Seniority: intern.
Applications are handled by Thales. Apply on Thales

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

Prompt engineeringAI agentsClaudeCodex

Questions you could be asked

How do you structure and test a prompt to get consistent output from a language model?
How do you decide when an AI agent can act on its own versus asking for approval first?
What are the limits of Claude that you've run into, and how did you work around them?
What's a project where you used Codex hands-on?
This role expects you to use AI tools as part of the job. Which ones have you used, and for what?

Adapt your resume

List these exact terms on your resume: Prompt engineering, AI agents, Claude, and Codex. An applicant tracking system matches the wording, not the idea.
Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
Put the AI tool in a bullet point about what you did, not just in a skills list. This role treats it as a required part of the job.

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