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Test Engineer (f/m/d)

think-cell Software • Berlin, Germany

onsitefull-time
Posted Sep 25, 2026Apply by Oct 25, 2026

**Role & seniority: ** Test Engineer (mid-level implied; role focuses on independent execution of testing and release verification)

**Stack/tools: **

  • Microsoft Office integration testing (primarily PowerPoint and Excel)

  • Cross-version/OS compatibility checks (supported Office versions + OS updates)

  • Internal error tracking / reporting system, knowledge base documentation

  • Top 3 responsibilities:

    • Feature testing: verify new features for logical consistency and usability

    • Release testing: perform final quality checks prior to product releases

    • Error reproduction & verification: create detailed repro steps, report issues, and confirm developer fixes resolve them

  • Must-have skills:

    • Independent work structuring and self-motivation

    • Curiosity, critical thinking, strong problem-solving

    • Ability/willingness to learn and adapt to new technologies

    • Fluency in written and spoken English

    • Experience with Microsoft Office, especially PowerPoint/Excel

  • Nice-to-haves:

    • Additional experience with Office/OS update compatibility testing practices (implied by role)
  • Location & work type:

    • Offices in Berlin, Denver, Boston, London, Tokyo, Dubai (specific location/work model not stated; likely based on hiring office)

Full Description

About us

think-cell provides graphics software that performs most of the painstaking work of creating data-driven slides for professional Excel and PowerPoint users. The testing department makes sure that new features are technically sound and work reliably for all user groups, from new users to seasoned financial professionals.

What you will do

As a Test Engineer at think-cell, you'll help improve a product that over 1,000,000 professionals around the world rely on every day.

Testing and verifying new features is an important part of the job, as our product continues to evolve. Since think-cell is seamlessly integrated into Microsoft PowerPoint and Excel, we must pay close attention to its compatibility with supported Microsoft Office versions, operating systems, and their respective updates.

There is a certain level of complexity to our product and consequently to the testing process. Problem-solving skills are important as well as keeping an overview between verifying fixes, creating test cases, and ensuring our users receive only top quality.

Key Responsibilities

Feature Testing: Ensure new think-cell features work properly and verify their logical consistency and usability.

Release Testing: Conduct final quality checks before each think-cell version release.

Error Reproduction and Reporting: Create detailed error reproductions and document them clearly. Provide precise information to help resolve issues and record all error-related details in the internal system.

Verification: Verify that developer fixes successfully resolve reported issues.

Knowledge Base Management: Maintain and expand the internal knowledge base with documentation of new product functionality.

You will be great for this position if you have

High level of self-motivation and independent work structuring. Curiosity and critical thinking. Willingness to learn and adapt to new technologies. Fluency in written and spoken English. (Plus) Experience with Microsoft Office, particularly PowerPoint and Excel.

Our Values

As part of our team, you will embody and help shape the following principles that define us

Forward Thinking: We embrace change and challenge the status quo.

Ownership: We take pride in our work and learn from our mistakes.

Customer First: We prioritize delivering lasting value.

Unified Team: We foster collaboration, respect, and integrity.

Strive for Excellence: We set ambitious goals and pursue quality.

Why is think-cell the right place for you?

We empower over 1.2 million users across 30,000 companies, including top consulting firms and major global enterprises. With offices in Berlin, Denver, Boston, London, Tokyo, and Dubai, we’re a diverse team of over 150 people, committed to innovation and excellence.

Think-cell is more than a job – it's a chance to be part of an innovative, inclusive team that values collaboration and growth. We encourage applicants from all backgrounds to apply. Together, we can shape the future of productivity software. We can’t wait to see what you’ll bring to the team!

Feature TestingRelease TestingError ReproductionError ReportingIssue VerificationTest Case CreationProblem-SolvingCritical ThinkingIndependent WorkWritten EnglishSpoken EnglishMicrosoft PowerPointMicrosoft ExcelKnowledge Base Managementmulti-location

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