I need you to develop some software for me. I would like this software to be developed

Experienced blockchain developers wanted. We need one or two experienced blockchain developers who can: 1. Write smart contracts 2. Assess, analyse and critique existing technology then identify possible advancements. 3. Develop a functioning blockchain prototype 4. Write grammatically correct, technically proficient documentation. Potentially white paper. First project as a trial consists of two parts: 1. Write and program a smart contract that holds a fee. This fee is released upon certain milestones. 2. Write a short brief practice script outlining the blockchain technology used in one of our products including why it's necessary and how it differs positively from current incumbents.