Posi Trace is a founder-led Saa S company specializing in GPS fleet tracking, AI-powered dash cameras, and asset management solutions.
Posi Trace builds a real-time GPS fleet tracking Saa S platform -- vehicle location, telemetry processing, reporting, dispatching, and fleet management tools for SMB and enterprise customers across Canada and Mexico. Our backend processes millions of GPS data points daily across multiple receiver protocols.
We're migrating toward MACH (Microservices, API-first, Cloud-native, Headless) and need a senior backend engineer to co-own that evolution.
This is a full time, on-site position at our Burnaby, BC headquarters. Not available for remote or hybrid.
What You'll Do
Build and maintain backend services in. NET 8 / C# and Python (Fast API, Dramatiq workers, Dask data pipelines)
Design microservice boundaries, API contracts, and data flows as we decompose a monolithic Rails application into independent services
Work directly on core platform systems: GPS telemetry ingestion, history processing, reporting engine, dispatching services, billing and subscription management
Write and review production-grade, test-driven code; enforce quality through code reviews across. NET and Python codebases
Design and optimize My SQL queries and schemas for high-volume transactional workloads (10 M+ row tables, complex joins across billing/device/contract hierarchies)
Build and consume RESTful APIs; design webhook delivery systems and event-driven integrations
Deploy to production via Bit Bucket Pipelines, Docker, and Kubernetes (GKE)



with zero-downtime rolling updates
Produce architecture documentation: system diagrams, data flow diagrams, ADRs in Confluence
Manage async job processing with Rabbit MQ and Dramatiq/Delayed Job workers
Operate within Google Cloud Platform: GKE, Cloud SQL, Cloud Storage, Secret Manager, Big Query
Collaborate with the Rails team, Dev Ops, and QA; work with the Engineering Team Lead and VP of Engineering on technical direction
Estimate tasks, communicate blockers, and participate in sprint planning using Jira and Git Flow branching
What You Bring
Production experience with. NET 8 / C# -- building, testing, and deploying backend services
Production experience with Python -- Fast API or Flask, async task processing, data manipulation (Pandas, Dask)
Strong My SQL skills: query optimization, indexing strategies, schema design for high-load systems
Experience with at least one of: Postgre SQL, Elasticsearch, Mongo DB, Big Query
Experience with Rabbit MQ or similar message brokers and async job queues
Track record of designing and implementing microservices -- service decomposition, inter-service communication, API versioning, backward compatibility




Familiarity with Redis for caching and session management
Experience with Git/Git Flow branching workflow and Bit Bucket or similar platforms
Ability to write clear technical documentation and communicate tradeoffs to both engineers and non-technical stakeholders
Strong written and spoken English
What Sets You Apart
Experience with Ruby on Rails; understanding Rails conventions and Active Record is critical for designing migration paths
Experience with Go
Mongo DB experience
Experience with Elixir
Background in Io T / telematics: GPS device protocols, high-throughput telemetry ingestion, real-time data pipelines
Experience with AI/ML integration: MCP servers, LLM API orchestration
Experience with Angular frontend; helpful for full-stack debugging
SOC2 compliance experience
Monitoring and observability: Zabbix, Gray Log, GCP Cloud Monitoring
What We Offer
On-site, full-time at our Burnaby headquarters -- no remote, no hybrid
Salary: CA$110,000 - CA$145,000/year based on experience
Direct architectural impact on a multi-service Saa S platform processing real-time GPS data at scale
State-of-the-art hardware, Jet Brains licenses (Rider, Py Charm, Ruby Mine)
Paid vacation, holidays, and sick days
Benefits program
Architect-track career progression
Work across the full stack:. NET microservices, Python data pipelines, Rails, GKE infrastructure
Individualized development plan and continuous learning opportunities
We welcome all qualified applicants, prioritizing skill and character.

📌 Senior backend engineer .net (Vancouver)
🏢 PosiTrace
📍 Vancouver