Christopher Millar Email & Phone Number

Hamburg, Hamburg, Germany

Circus is pioneering AI and robotics in food tech to create fully autonomous kitchen robots which scale. As the Golang Chapter Lead, I manage backend engineering talent, ensuring technical excellence and consistent development practices across squads. As a Squad Lead I led the Order Fulfilment team as we successfully delivered multiple projects. Backends are written Go, Java, and Python. Frontends are written using Flutter. Services talk to each other using RESTful endpoints defined w/ OpenApi or SQS. Migrated from DynamoDB to PosgreSQL. Sass services include Snowflake, Datadog, Apicbase and Commercetools. Everything runs in AWS ECS provisioned using terraform.

Berlin, Berlin, Germany

Everphone is the worlds leading „device as a service“ Startup. Providing rental phones and tablets to thousands of buisiness, in the UK, Europe and America. At Everphone I have helped lead the development of better solutions for our Financial Stakeholders at Everphone. In particular by taking responsibility for improving the stability and architecture of our Rental Billing system. Responible for the introduction of the first truely decoupled microservices at Everphone, and we have written 3 of them. Our backend tech stack includes PHP 7, Symfony and Go. The Frontend is a modern React SPA served by a GraphQL API written in Go. Backend Services talk to eachother using REST, PubSub and Twirp. We store data in MySql, Redis and BigQuery. Everything runs in GCP which is provisioned using Terraform.

Berlin, Berlin, Germany

Billie is a Fintech startup which offers B2B liquidity services including, invoice factoring, collections and purchase on invoice for online merchants. As a Senior Engineer on more than one team at Billie I helped grow our product from a functional proof of concept dominated by a single monolithic application into a microservices ecosystem. I had the opportunity to successfully lead more than project to completion. Multiple backed microservices in PHP 7 and Symfony, Python, Go and Erlang. The Frontend is a modern React SPA. Services talk to each other using REST, RabbitMQ and GraphQL. Data is stored in MySql and SnowFlake. Everything runs in AWS provisioned using a Ansible and Terraform.

Berlin, Berlin, Germany

Largest German price comparison portal. Check24 Möbel-Vergleich is a furniture comparison portal integrated into the Check24 brand. Rapid Kanban project with strong focus on machine learning to compare products. Support ML project with import and tagging jobs written in Python. Multiple PHP backends and APIs using Symfony 4. Search using Elastic Stack. All frontend admin + production written in Modern Javascript using React/Redux. Provisioning, deployment and CI using Ansible and Jenkins.

Berlin, Berlin, Germany

Notebooksbilliger is the 4th largest online shop in Germany. TDD Backend Development in SOLID PHP using Symfony. Refactoring and maintenance of Legacy Shop based on OSCommerce. Frontend Development w/ HTML5, SCSS and TDD Javascript w/ Mocha, Chai, Gulp and webpack. Best Practices: Agile, Scrum, Continuous Integration Unit Testing, Functional Testing, Frontend Testing, ES2017

Berlin, Berlin, Germany

FLYERALARM is the largest online printing company in Europe, handling ca. 15000 orders per day. At FLYERALARM I was part of an agile team responsible for the Shop Frontend, Payment and Checkout contexts. Agile Domain Driven TDD Backend Development in SOLID PHP w/ Event Sourcing. Refactoring and maintenance of Legacy Zend Application. Frontend Development using HTML5, SCSS and Javascript.

Reutlingen, Baden-Württemberg, Germany

Development of E-Commerce Solutions based on OXID eShop Platform. Backend Development in PHP and SQL. Responsive Frontend Development using Bootstrap, Foundation, HTML5, LESS, SCSS and JavaScript. Project Management, Sales and Planning. Best Practices: Agile, Scrum, Continuous Integration and Unit Testing.

Tübingen, Baden-Württemberg, Germany

Development of diverse web applications for various clients using PHP, SQL and the Yii Framework. Development of CMS System based on the Yii. Implemented WYSIWYG User Interface using RESTAPI backend and ajax + javascript client. Responsible for the architecture and planning of areas under my responsibility. Responsible for the support of clients.

Tübingen, Baden-Württemberg, Germany

Responsible for the administration, support, and procurement of IT-Infrastructure for the department. Lead migration of primary domain controller from W2k3 to Suse Linux. Support of various web applications in use by the department. IT Support for Windows Clients and Laboratory Equipment.

Tübingen, Baden-Württemberg, Germany

Psycholinguistic Research Assistant at the University of Tübingen. Development of a Stimulus-Generation-Tool for Psycholinguistic Research in Python

Tübingen, Baden-Württemberg, Germany

Responsible for the operation of the Network, administration of the Linux Server and support of Windows XP und 7 Clients. Responsible for the Installation and technical support of various scientific applications used by the department.

Tübingen, Baden-Württemberg, Germany

Development of a Linguistic Treebank Search Engine in Java which used Monadic Second Order Logic to enable a Tree-structure search over a Linguistic Treebank in linear time. I worked closely with the head of the department of Theoretical Linguistics on this project.

Heidelberg, Baden-Württemberg, Germany

Linguistic Research Project, Comparison of Wikipedia Edits using Perl, Java und MySQL.

Tübingen, Baden-Württemberg, Germany

Developed UI in Java for an XML Configuration file for bibtex2html. Assisted researchers in formatting papers for different journals in LaTeX.