In a remote team of 6-9 members, building a management system for specialized logistics centers.

- Collected requirements and business rules from customer.
- Back-end architecture and design principles, drawing from DDD, Hexagonal architecture and CQRS.
- Implemented API for web and mobile clients.
- Responsible for integration with existing inventory management system.
- Peer code reviews, promoting coding standards and respect of design principles.

Senior Software Engineer

Built Tenzing's MVP with the founding team. Worked remotely as a contractor.

- Backend architecture and implementation (Scala, Play, Slick, running in Docker on AWS ElasticBeanstalk with RDS and S3)
- APIs to integrate with data scraping partners (Spark, Scala, Play, S3, EC2)
- Set up the delivery pipelines for these (Docker, AWS ECR, Bash, Git)
- Built web administration frontend (Scala, Play, Custom UI on Bootstrap 4, SASS, Coffeescript, PowerBI client)

Full Stack Software Engineer

Independent contractor, working with founders to build from scratch the tech stack. Working remotely.

- Technical architecture
- Recruitment of other developers
- Built Node.js GraphQL backend (ES2018, Typescript, Express, Apollo, running in Docker with ElasticBeanstalk and RDS). Modular architecture using DI (Inversify) and DDD.
- React frontend, developed a few components.
- Built Continuous Delivery pipelines for backend and frontend (Docker, Bitbucket pipelines, AWS CodePipeline, CodeBuild, ECR and ElasticBeanstalk).

Built the full tech stack in a team of 2. Working remotely.

- Delivery scheduling tool with OR-tools and a Scala API. Solves traveling salesman problems with time-windows and zone constraints. Custom hyper-parameters benchmark tool for tuning.
- Microservices API. Node.js / HAPI.js, RabbitMQ, MySQL, MongoDB. Handling all delivery operation.
- Automated deployments and server provisioning with Ansible, Docker and Bitbucket pipelines.
- Client mobile app with Coffeescript, Ionic, Cordova, AngularJS. Handles ordering, payment, delivery tracking, reviews, invoicing, profile management.
- Drivers app. Handles live orders management, position tracking, performance reviews. Same tech stack, with websockets.
- Fleet management and administration tool in Angular 2.
- Customized Opencart to act as an e-commerce API. PHP, MySQL.
- ELK for log management across all stacks.
- Google sheets to backend synchronization tool, allowing full products management in spreadsheets. Node.js. Cloudinary for dynamic pictures generation.

- Reactive backends on Play Framework, Scala and Java
- Hybrid mobile apps on Ionic / Cordova / AngularJS
- Brazilian Market Development

Technical Co-Founder

Lead architect and backend developer for HumanoidMe project, a 3D virtual assistant living in the web.

- Java and Play Framework for main portal, administration tools and APIs
- Polyglot persistence with MongoDB, Neo4j, MySQL
- Log analysis platform with Logstash, ElasticSearch, Kibana
- Customized Drupal as an assets management platform
- Running on AWS
- Ansible playbooks for automated EC2 provisioning
- Scrum and Kanban promoter

- Project management and technical direction on more than 30 projects
- Lean management
- Hands-on development on both back-end and front-end
- Scrum Master
- Automation tools development
- Pre-sales meetings and contract negotiations
- Hiring process management
- Use of agile methodologies on almost all projects
- Speaker at local events
- Open source platforms: Magento, Drupal, Joomla, WordPress, SugarCRM
- Dev stack: PHP, Capistrano, Cucumber, Selenium, Vagrant, Compass
- Provisionned a lot of production environments (AWS and others)

CTO & Co-Founder

- Architect and lead developer of a media content management solution for the web MidiaCentro. Java, Hibernate 3, Struts, Ajax, Maven.
- Design and development of a mobile end-user interface for an enterprise video-conference application. J2ME, Java servlets, JMF, SIP.
- Introduced standard development practices and tools in the development team, including code repository, test-driven development, and use of common frameworks and GoF patterns. Subversion, Jenkins.
- Development of internal software tools. C#, Java.
- Functional test specifications for several internal projects.

Software Engineer

API development on Play Framework
Spark data pipeline

Built multiple hybrid mobile apps and a PWA with Ionic and Angular.
Worked on Hapi and Express Node backends, with GraphQL.
Customized and created Cordova plugins.
Experience with core JS, Typescript and Coffeescript.

Multiple full-stack projects and API development with Play Framework.
Persistence with MySQL, Neo4j and MongoDB.
Certified SCPJ and SCWCD (2008)

Personal details

Julien R.

Summary

Technical skills

Work Experience