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Principal / Architect Backend Engineer
KwikKart
- United States
- United States
À propos
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*KwikKart is a startup *building a hardware-enabled AI platform for physical grocery retail. Our patented AI/CV-powered smart tablet installs on grocery carts to enhance the shopping experience, while creating the infrastructure for real-time store intelligence, digital media, and data analytics for the grocery ecosystem.
*Role Description*
We are seeking a full-time Principal Backend Engineer to join our team on-site in Austin, TX / Hybrid. In this role, you will design, develop, and maintain scalable, efficient backend systems to power KwikKart’s innovative solutions. You will collaborate with teams to integrate backend services with front-end applications, maintain our hardware architecture, and optimize performance.
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*What We're Looking For*
*Someone who can manage a leadership role in a startup environment, and can take initiative, manage themselves, and lead a small team of dedicated engineers. This is a core role for our growing company, and will be considered for a significant equity stake, depending on long-term mutual fit *
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*What You Will Do*
* Design and implement backend features using .NET, Orleans, and vertical-slice / CQRS patterns. * Own grain contracts, orchestration flows, and state evolution across domains such as carts, orders, inventory, promotions, customer data, and event processing. * Build and maintain internal and external APIs, webhook flows, telemetry ingestion, and device synchronization services. * Improve system reliability, latency, and scale across caching, persistence, concurrency, and failure handling. * Define and enforce clear domain boundaries, contracts, and multi-tenant isolation practices. * Write and review high-quality automated tests across unit, grain, integration, and contract layers. * Partner with platform engineering on deployment readiness, observability, and performance tuning. * Help establish practical engineering standards and mentor other developers.
*Required Experience*
* 8+ years in backend software engineering. * Strong C# / .NET experience. * Linux OS * Strong experience with distributed systems, event-driven patterns, or actor-model systems. * Experience designing APIs and service contracts in production systems. * Strong understanding of concurrency, consistency, retries, idempotency, and fault tolerance. * Experience with PostgreSQL or similar databases, Redis/caching, and production observability. * Strong testing discipline and code review habits.
*Preferred Experience*
* Direct Orleans experience. * Experience with CQRS, MediatR, vertical-slice architecture, or DDD-style service design. * Experience in multi-tenant SaaS or retail / commerce systems. * Familiarity with Citus, Couchbase, telemetry pipelines, or edge / device synchronization systems. * Experience working in Azure-hosted production systems.
*What success looks like in 3 months*
* Owns at least one major domain end to end. * Improves release confidence and backend velocity. * Reduces architectural drift and hidden operational risk. xmvmafu * Produces production-ready features with strong tests and low rework.
Pay: Up to $72,000.00 per year
Work Location: Hybrid remote in Austin, TX 78789
Compétences linguistiques
- English
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