Greetings!
A Tech-Tycoon game sounds like a really nice idea! As I am sure you know, a full scale game for the PC is no small task, so my proposal (and the rate quoted, 1000 GBP) would represent the stage of development, basically the game design document, the technical design document, and prototype artwork.
I am a highly experienced C++ programmer with more than 20 years in the industry. I work entirely cross-platform, so your app can be simultaneously released to almost any platform. I have focused extensively on 2d/3d graphics and imaging software for games and educational purposes, and I have done quite a bit of work with procedural animation systems, GLES shader code, and real-time image processing systems. Though I currently focus on apps for mobiles, in the past I have worked in a variety of game engines for PC, XBox, PlayStation3, and Wii.
Have a look at my CV posted on my portfolio page for a complete overview of my skills and credits. I look forward to hearing from you!
Best regards,
John Klima