Senior Backend Engineer, .NET & Python

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    "description": "<p><span style=\"font-size: 12pt\"><span style=\"font-family: Arial, sans-serif\">PosiTrace builds a real-time GPS fleet tracking SaaS 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.</span><span style=\"font-family: Arial, sans-serif\"><br><br></span></span></p>\n<p><span style=\"font-size: 12pt\"><span style=\"font-family: Arial, sans-serif\">We're migrating toward MACH (Microservices, API-first, Cloud-native, Headless) and need a senior backend engineer to co-own that evolution.</span><span style=\"font-family: Arial, sans-serif\"><br><br></span></span></p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">This is a full-time, on-site position at our <span style=\"font-weight: bold\">Burnaby, BC headquarters</span>.<span style=\"font-weight: bold\"> Not available for remote or hybrid.</span></span></p>\n<p><br></p>\n<p><span style=\"color: rgb(67, 67, 67); font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">What You'll Do</span></p>\n<ul>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Build and maintain backend services in .NET 8 / C# and Python (FastAPI, Dramatiq workers, Dask data pipelines)</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Design microservice boundaries, API contracts, and data flows as we decompose a monolithic Rails application into independent services</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Work directly on core platform systems: GPS telemetry ingestion, history processing, reporting engine, dispatching services, billing and subscription management</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Write and review production-grade, test-driven code; enforce quality through code reviews across .NET and Python codebases</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Design and optimize MySQL queries and schemas for high-volume transactional workloads (10M+ row tables, complex joins across billing/device/contract hierarchies)</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Build and consume RESTful APIs; design webhook delivery systems and event-driven integrations</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Deploy to production via BitBucket Pipelines, Docker, and Kubernetes (GKE) with zero-downtime rolling updates</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Produce architecture documentation: system diagrams, data flow diagrams, ADRs in Confluence</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Manage async job processing with RabbitMQ and Dramatiq/Delayed Job workers</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Operate within Google Cloud Platform: GKE, Cloud SQL, Cloud Storage, Secret Manager, BigQuery</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Collaborate with the Rails team, DevOps, and QA; work with the Engineering Team Lead and VP of Engineering on technical direction</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Estimate tasks, communicate blockers, and participate in sprint planning using Jira and GitFlow branching</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"color: rgb(67, 67, 67); font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">What You Bring</span></p>\n<ul>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Production experience with .NET 8 / C# -- building, testing, and deploying backend services</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Production experience with Python -- FastAPI or Flask, async task processing, data manipulation (Pandas, Dask)</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Strong MySQL skills: query optimization, indexing strategies, schema design for high-load systems</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with at least one of: PostgreSQL, Elasticsearch, MongoDB, BigQuery</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Hands-on Docker + Kubernetes (GKE preferred): writing Dockerfiles, managing deployments, debugging pod issues, reading container logs</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with RabbitMQ or similar message brokers and async job queues</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Track record of designing and implementing microservices -- service decomposition, inter-service communication, API versioning, backward compatibility</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Familiarity with Redis for caching and session management</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with Git/GitFlow branching workflow and BitBucket or similar platforms</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Ability to write clear technical documentation and communicate tradeoffs to both engineers and non-technical stakeholders</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Strong written and spoken English</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"color: rgb(67, 67, 67); font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">What Sets You Apart</span></p>\n<ul>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with Ruby on Rails; understanding Rails conventions and ActiveRecord is critical for designing migration paths</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with Go</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">MongoDB experience</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with Elixir</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Background in IoT / telematics: GPS device protocols, high-throughput telemetry ingestion, real-time data pipelines</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with AI/ML integration: MCP servers, LLM API orchestration</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">WebSocket experience for real-time data delivery</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Experience with Angular frontend; helpful for full-stack debugging</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">SOC2 compliance experience</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Monitoring and observability: Zabbix, GrayLog, GCP Cloud Monitoring</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">API documentation practices (Swagger/OpenAPI)</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"color: rgb(67, 67, 67); font-family: Arial, sans-serif; font-size: 12pt; font-weight: bold\">What We Offer</span></p>\n<ul>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">On-site, full-time at our Burnaby headquarters -- no remote, no hybrid</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Salary: CA$110,000 -- CA$145,000/year based on experience</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Direct architectural impact on a multi-service SaaS platform processing real-time GPS data at scale</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">State-of-the-art hardware, JetBrains licenses (Rider, PyCharm, RubyMine)</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Paid vacation, holidays, and sick days</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Benefits program</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Architect-track career progression</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Work across the full stack: .NET microservices, Python data pipelines, Rails, GKE infrastructure</span></li>\n<li><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">Individualized development plan and continuous learning opportunities</span></li>\n</ul>\n<p><br></p>\n<p><span style=\"font-family: Arial, sans-serif; font-size: 12pt\">We welcome all qualified applicants, prioritizing skill and character. Let's talk.</span></p>",
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