Backend Engineer (Remote: Vietnam)

About this role

Alongside partners with organizations to drive digital transformation and build high-performing tech teams. We're looking for a mid-level engineer to own both backend service development and data engineering on a realtime facility navigation and asset-tracking platform for industrial and logistics sites. The platform ingests live positioning and telemetry data from BLE-based tracking hardware, correlates it into events (e.g., asset pickups, movement, dwell time), and exposes it through backend services to web and mobile clients. What You'll Do • Design, build, and maintain backend services and APIs (C#/.NET) that power the platform's core business logic. • Implement and maintain the service layer for asset tracking, facility navigation, and event detection features. • Integrate with third-party positioning/telemetry providers and their APIs. • Define and evolve API contracts in collaboration with the frontend team (web admin portal and mobile app). • Write automated tests, participate in code review, and help keep the codebase maintainable as the platform grows. • Support deployment, monitoring, and troubleshooting of backend services in production. Requirements What We're Looking For • 2–5 years of professional software engineering experience. • Strong proficiency in C#/.NET for backend service development. • Experience integrating with third-party APIs and webhooks. • Comfortable working with real-time or near-real-time data processing requirements. • Experience with a major cloud platform (Azure preferred, given the .NET stack). • Strong communication skills and comfort working in a small, cross-functional, fast-moving team. Nice to Have • Experience with actor-model or distributed-systems frameworks (e.g., Orleans). • Background in industrial, logistics, or IoT domains. Benefits Remote work (Vietnam-based) Estimated project duration: 19 weeks Full-time schedule: 8 hours per day, with mandatory availability for at least 4 hours Freelance / Service Agreement Hourly Rate: 12$-16$

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