Backend Developer
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Summary
Mid/senior backend developer building Node.js/Express microservices for public transit data pipelines, real-time telemetry, and ticketing APIs, integrating GTFS/GTFS-RT feeds, using PostgreSQL, MongoDB, RabbitMQ/MQTT, and owning deployments on GCP Kubernetes with ArgoCD GitOps.
We are looking for a Mid/Senior Backend Developer to join our engineering team.
- Proven experience with NodeJs and the Express framework in production environments
- Solid understanding of both relational (PostgreSQL) and document-oriented (MongoDB) databases
- Hands-on experience with message brokers such as RabbitMQ and/or MQTT
- Operational familiarity with Kubernetes — including troubleshooting and cluster management
- Experience with cloud infrastructure, preferably Google Cloud Platform, and CI/CD pipelines
- Strong communication skills and ability to work effectively within a small, senior engineering team
Responsibilities
- Design, develop, and maintain NodeJs microservices supporting transit data pipelines and public-facing APIs
- Work with PostgreSQL and MongoDB across the full data lifecycle: schema design, query optimisation, and migrations
- Implement event-driven architectures using MQTT and RabbitMQ for real-time telemetry and ticketing workflows
- Integrate with GTFS and GTFS-RT data feeds in compliance with established transit standards
- Own the full deployment lifecycle on Kubernetes, leveraging ArgoCD for GitOps-based continuous delivery
- Collaborate cross-functionally with mobile, frontend and embedded device teams to ensure consistent API contracts
Requirements
- Proven experience with NodeJs and the Express framework in production environments
- Solid understanding of both relational (PostgreSQL) and document-oriented (MongoDB) databases
- Hands-on experience with message brokers such as RabbitMQ and/or MQTT
- Operational familiarity with Kubernetes — including troubleshooting and cluster management
- Experience with cloud infrastructure, preferably Google Cloud Platform, and CI/CD pipelines
- Strong communication skills and ability to work effectively within a small, senior engineering team