Content creator for Mathematics

We are looking for the right candidate that can create content for mathematics for year 7 & 8. We want to create a textbook that includes what our students will "need" to learn, following the IB & GCSE syllabus closely. The textbook should include short descriptions and examples on each topic with questions that follows up. (We already prepared questions for each topics) You will : * Proof read, change and edit the questions we currently have. * Create writings that's original, engaging content for our students following the IB & GCSE syllabus. * Create easy to understand descriptions and interesting examples on each topic. * To create a layout/format that best displays the content. The right candidate will have: * Strong mathematics background * Teaching experience * Good English writing and comprehension skills This will not be an one off job, we hope to meet a passionate content creator that can do on-going work with us.