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Offer summary

(Summary generated by AI based on the full job description)

The project concerns modernization of Hilda 2.0 (HTC), migrating .NET 9 applications and MSSQL databases to a modular Azure cloud. The tech stack includes React, TypeScript, Azure SQL, Azure Data Factory and Power BI. Responsibilities cover developing and maintaining test automation using Playwright, xUnit, Vitest/Jest and integrating tests into Azure DevOps CI/CD pipelines. Testing spans unit, API, integration and E2E levels with data flow validation. Required skills include C#/JavaScript/TypeScript, REST API testing and authentication (Azure AD, JWT, OAuth).

newyou can start ASAP

Test Engineer

Company: Mindbox Sp. z o.o.

from: 12 August 2026
to: 11 September 2026
26 000 - 29 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

C#
.NET
JavaScript
TypeScript
Playwright
Selenium
xUnit
NUnit
Vitest
Jest
Azure DevOps
Microsoft SQL Server
SQL

Optional technologies

Microsoft Power BI
k6
JMeter
Pact
Terraform

Operating system

Windows

Our requirements

  • 5+ years in test automation with experience in custom framework development.
  • Strong coding skills in C#/.NET and JavaScript/TypeScript.
  • Hands-on experience with Playwright (or Selenium with willingness to switch).
  • Unit/integration testing in xUnit/NUnit, frontend testing with Vitest/Jest.
  • Azure DevOps CI/CD integration.
  • Solid SQL skills (MSSQL/Azure SQL).
  • REST API testing and authentication flows (Azure AD, JWT, OAuth).
  • Self-driven and capable of owning the test automation roadmap.

Optional

  • Knowledge of Azure services, ADF, ETL testing, Power BI verification.
  • Contract testing (Pact), performance tools (k6, JMeter).
  • Infrastructure as Code (Terraform) familiarity and observability (App Insights).
  • Relevant certifications (ISTQB Advanced, Azure, Test Automation).

Your responsibilities

  • Own and evolve the automated testing process: frameworks, standards, best practices.
  • Define and implement a comprehensive test strategy across unit, API, integration, and E2E levels.
  • Build E2E automation in Playwright (React apps), backend integration/unit tests in xUnit (.NET), and frontend unit tests in Vitest/Jest.
  • Embed automated tests into Azure DevOps CI/CD pipelines (PR checks, nightly runs, pre-release gates).
  • Ensure test data management, maintain test reliability, and publish quality metrics.
  • Validate data flows across Azure SQL, ODS, and DWH; design data-driven test scenarios.
  • Collaborate closely with developers on acceptance criteria and mentor on testability.
  • Support UAT: prepare environments, verify scenarios, and document results.
  • Note: Detailed project information will be shared during the recruitment process.

About the project

You will join the Hilda 2.0 (HTC) modernization program, responsible for migrating multiple legacy .NET applications and MSSQL databases to a modular, cloud-native Azure ecosystem. The stack includes React + TypeScript frontends, .NET 9 APIs, Azure SQL, Azure Data Factory, and Power BI. Your work will be integral to building robust and reliable testing frameworks that ensure the quality of new and migrated components throughout the entire project lifecycle.
Sounds like your kind of challenge?

This is how we organize our work

This is how we work

at the client's site

This is how we work on a project

  • TDD
  • Continuous Deployment
  • Continuous Integration
  • DevOps
  • issue tracking tools
  • test automation
  • testing environments
  • unit tests
Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.
Company

What we offer

  • Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)
  • Hybrid work setup – 3x/week from the office in Kraków
  • Collaborative team culture – work alongside experienced professionals eager to share knowledge
  • Continuous development – access to training platforms and growth opportunities
  • Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
  • High quality equipment – laptop and essential software provided

Benefits

  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of professional training & courses
  • life insurance

Mindbox Sp. z o.o.

At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.
Test Engineer
26k–29k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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