Christian Lerke
Software Developer
Christian is a senior developer and entrepreneur with over a decade of professional experience building full-stack solutions. As the co-founder and tech team lead of his own startup, he has learned the importance of iterating quickly, and delivering results on time.
Portfolio
Location
Availability
Preferred Environment
GitHub, Sublime Text, MacOS
The most amazing...
...system I've built was an on-demand grocery picking, and delivery platform, with in-store route optimization, live out-of-stock replacement, and order tracking.
Work Experience
Co-founder and Chief Technology Officer
Home Run (Convibo, Ltd.)
- Built a bespoke commerce platform from scratch, allowing customers to shop from multiple supermarkets, and get their groceries delivered in as little as one hour.
- Created an intelligent order management system assigning orders to shoppers, and drivers as well as a capacity management system to make sure all orders would be delivered on time.
- Built a self-learning, out-of-stock replacement recommendation system tailored to every customer to decrease the time lost in communicating potential replacement options to customers.
- Developed systems for multi-order picking as well as in-store route optimization to increase shopper efficiency.
- Created a real-time operations management dashboard, tools to manage orders, and track employees’ progress, and current location.
- Built product catalog integrations with UK’s largest supermarkets.
- Led the tech team.
Developer
Freelance
- Created a bespoke, multilingual medical invoicing application for a clinic.
- Built dynamic lab analysis reports for pattens to explain the meaning of their current results, rather than a generalized explanation per parameter.
- Developed a bespoke Mac app to simplify tracking services provided to patients, and invoicing them.
Experience
Shopping with Pat
https://shoppingwithpat.comI built the back end of this project allowing for the input of all the recipes and ingredients as well as the underlying logic to construct the meal plans.
This project was executed in less than two months from start to finish.
Skills
Languages
Ruby, HTML, JavaScript, SQL, CSS, Sass, Haml, Swift
Frameworks
Ruby on Rails (RoR), Bootstrap, Factory Girl
Storage
PostgreSQL, Memcached, Redis, MySQL, Amazon S3 (AWS S3), Elasticsearch, SQLite
Libraries/APIs
jQuery, Stripe API, Facebook API, Sidekiq, Google Maps API, Google Chart API, Slack API, Intercom API, Nokogiri, Stripe, React, Google APIs, Telegram Bot API, Zendesk API, Backbone.js, Backbone.Marionette, Moment.js, Underscore.js, Devise
Tools
Amazon EBS, Slack, SendGrid, Mailchimp, wkhtmltopdf, Sublime Text, GitHub, MATLAB, Capistrano, RSpec
Platforms
Amazon EC2, Adobe Suite, Ably, Mandrill, MacOS, Heroku, Amazon Web Services (AWS), Linux
Paradigms
Agile Software Development
Other
Mailchimp API
Education
Master's Degree of Science in Innovation and Entrepreneurship
University of Warwick - Coventry, United Kingdom
Bachelor's Degree of Science (Honors) in Robotics
University of the West of England - Bristol, United Kingdom