Join us as a C++ Developer (f/m/d)

Location: Berlin, Germany or Remote* (UTC-1 to UTC+4)

Type: Full-time

At think-cell, we’re seeking bright, creative C++ Developers with a solid theoretical background. Whether you're a seasoned professional or a recent graduate in Computer Science, Physics, or Mathematics, what matters most is your problem-solving ability and C++ skills. At think-cell, we combine deep technical challenges with a healthy work-life balance and a culture that values thoughtful engineering over rushed delivery.

Ideal candidates have:

• Strong C++ programming skills (through education or experience)
• A solid background in Computer Science, Mathematics, or Physics
• A passion for elegant, efficient algorithms
• Ability to work independently and think from the user’s perspective
• Good command of English (German not required)
• Self-driven learners with creative problem-solving approaches

How You’ll Work

• You will be responsible for entire features: from design to customer feedback
• You’ll collaborate when needed—no recurring meetings
• Your feature ships when you think it’s ready
• We encourage contributions from anyone—if your idea improves the code, we’ll change it

What We Offer

• Challenging Work: Complex C++ development tasks requiring deep thinking
• Brilliant Team: International colleagues with strong academic and professional backgrounds
• Stable Environment: you’ll contribute to a product that leads the market and a company that’s built to last
• Autonomy: Full ownership of features—architecture, design, implementation, and bug fixing
• Collaborative in-office culture: Our offices are where we connect and come together to build great software
• Work-Life Balance: No overtime, no weekend work | No fixed meetings or deadlines
• Flat Hierarchy: Your ideas are heard, regardless of your title
• Relocation Support: Help with moving to Berlin and securing a work permit
• Competitive salary
• Academic & Personal Growth: Publish scientific papers | Attend C++ conferences | Optional German lessons (covered by us)

About us

think-cell is a profitable, fast-paced software company based in Berlin. Our products simplify and enhance PowerPoint, used by over 1.3 million professionals worldwide including top consulting firms and global corporations.

We prioritize code quality, elegant algorithms, and a refined user experience. Owned and led by computer scientists, think-cell offers a developer-focused environment that attracts and retains top engineering talent.

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.

About our software: Technology Overview

Programming Languages & Standards

• Entire codebase and customer portal written in modern C++
• Some Assembler for low-level tasks; build scripts in Python
• Track latest compiler features (Visual C++ & Xcode)
• Active contributors to C++ standardization (DIN & ISO/IEC)
• Official sponsor of the Standard C++ Foundation

Libraries & Infrastructure

• Extensive use of Boost (e.g., Boost.Spirit for parsing)
• Custom range library enhancing iteration concepts beyond Boost.Range
• Cross-platform macOS and Windows support via in-house library
• Proprietary reference-counting and persistence libraries
• Advanced bug reporting system with:
• Runtime assertions in release builds
• Automatic bug submission and categorization
• User-facing web portal for update downloads

Core Algorithms & Research

• Pioneers in automatic slide layout algorithms
• Developed new algorithms for:
• Point cloud labeling (labels offset from points)
• Column chart labeling
• Collaboration with John Forrest (CLP simplex solver) to optimize performance
• Created unique generic data structures (e.g., partitions) not in STL/Boost
• Chart recognition powered by OpenCV and Leptonica
• Distributed indexer for terabytes of documents

Reverse Engineering & Integration

• Use of IDA Pro for deep Microsoft Office API reverse engineering
• Developed a resilient function-hooking engine that:
• Patches Office executables dynamically in memory
• Uses assembly pattern matching to handle executable changes

Think you’d be a great fit? We’d love to hear from you. Send us your application and let’s start the conversation.