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. Most of our team is based in Berlin, but we also welcome remote developers working from UTC–1 to UTC+4, reflecting our commitment to flexibility and collaboration across regions.
Ideal candidates have: Strong C++ programming skills (through education or experience)
A background in Computer Science, Mathematics, or Physics
A passion for elegant, efficient algorithms
Ability to work independently and creative problem-solving approaches
Good command of English (German not required)
How You’ll Work You’ll collaborate closely with the team, without being stuck in recurring meetings.
Your feature ships when you think it’s ready - no time pressure!
We encourage contributions from anyone
What We Offer Brilliant Team: Work with international colleagues with strong academic and professional experience
Work–life balance: Versátil working hours and an environment that respects your time and focus.
Stable Environment: Join a market leader with a reliable product.
Competitive salary & Relocation Support to Berlin
Guaranteed raise to 130k EUR after the first year
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.
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 1.3 million users across 35,000 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 210 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!
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
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
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
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
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📌 C++ Developer (Madrid)
🏢 think-cell Software
📍 Madrid