Senior Ruby on Rails Developer (JHB) at Datafin Recruitment

DUTIES:

• Refactor our vessel, container & pallet tracking for more performant and advanced use cases.
• Add additional strategies to reconcile packhouse output with orders.
• Alerts for transportation changes (ETA changes, GPS monitoring).
• Replace certain 3rd party container tracking services with our own.
• Integrate into department of Agriculture Forestry and Fisheries APIs for enriched tracking.
• Architecture refactor for the ETL pipeline into an ELT based solution.
• Improved ops dashboards for various tracking libraries.
• R&D database sharding strategies to support increased future volume.
• Phase out more of the old Bulma usage in favour of Tailwind CSS.
• POC for Mongo usage instead of Postgres for large document tables.
• Invoice generation and payment alerts.

REQUIREMENTS:

• 5+ years Development experience

Qualifications

• Preferably a Degree in Computer Science, Mathematics, Engineering, Business Administration (BBA) or Information Systems.
• Languages / Frameworks / Major Libraries / Infra:
• Ruby on Rails API
• Angular web app
• Electron desktop app
• Heroku for API and background workers
• RDS Postgres for database
• Various AWS services
• Gitlab for source control & CI/CD
• GraphQL for all network comms
• Figma for UI prototyping  
• Docker for local dev (we dev on nix or win, you choose)