I need to create filter or custom dimensions code to exclude the average length of a session less than 10 or more seconds in Analytics

Hi, I read your project description carefully and very interesting. I have 7 years of experience for web projects. I am good at these languages such as php, javascript, css, python and NodeJs. And also for several mvc frameworks like laravel, codeginiter, Django and Wordpress, Drupal, shopify etc. I have also 5 years of experience for frontend works like ReactJS, AngularJs, Vue.js etc. I will offer you high quality works. I would like to work with you. Kind Regards..

Hello Sir, I'm interested in your project. Please send me a message so that we can discuss more. I have read-out your project description and understood your requirements. I am a professional, RELIABLE AND HONEST person & Expert in SEO+link building+Amazon+Shopify+Ecommerce. I have 2 years experience in this field. I will be helpful for your website Guaranteed improvement and Boosting Your online visibility on target major search engine & boost drive traffic By 100% WHITE HAT TECHNIQUE with latest 2019 Google algorithms. submission I would be grateful if you would consider my bid. I will be waiting for your positive and fruitful response. Thank You! A G M RAMJAN ALI