Senior Software Engineer

Job not on LinkedIn

🔥 3 hours ago

🌐 United States, Canada – Remote

🇺🇸 United States – Remote 🇨🇦 Canada – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 15%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Arc

WebsiteLinkedInAll Job Openings

11 - 50 employees

🤖 Artificial Intelligence

☁️ SaaS

🤝 B2B

🔥 Funding within the last year

💰 $10.8M Seed Round on 2026-05

Artificial Intelligence • SaaS • B2B

Arc is a voice AI platform (Sparkpoint Inc. , d/b/a Arc) that automates and optimizes fast-food drive‑thru ordering as a digital channel. Arc delivers brand‑specific, real‑time voice agents that integrate with existing POS systems and base stations (no replacement hardware required), enabling AI‑powered upsells, improved order accuracy, faster lines, and operational insights via dashboards and A/B testing. The product targets quick‑service restaurant operators and emphasizes measured lift in average order value, accuracy, and labor savings.

📋 Description

• Design and evolve the core architecture of conversational AI and voice-ordering systems • Balance latency, reliability, and correctness in live, in-lane drive-thru environments • Lead cross-cutting technical initiatives spanning POS and hardware integrations, AI-agent evaluation, and observability • Set backend technical direction and standards • Mentor and onboard new hires • Partner with product and operations to translate local business operators' needs into robust technical solutions • Improve testing, evaluation, and monitoring of AI-agent quality • Debug and resolve production issues involving real-time audio, third-party integrations, and distributed services

🎯 Requirements

• 5+ years of professional software engineering experience • Track record of owning significant systems end-to-end • Deep experience with backend systems in Python, or similarly strong general backend fundamentals with willingness to go deep in Python • Experience designing for reliability and correctness in real-time or latency-sensitive systems • Ability to operate with ambiguity and drive loosely defined problems to well-architected solutions • Strong judgment about scaling versus moving quickly • Communication skills to explain technical reasoning and bring others along • Bonus: experience with conversational AI/LLM-based systems, real-time audio/telephony platforms, or third-party/legacy POS or specialized hardware integrations

🏖️ Benefits

• Significant influence over the product and engineering culture • High-leverage, high-autonomy role • Opportunity to shape the technical direction of a fast-moving product • Opportunity to work on real-time AI serving local businesses • Mentorship and onboarding responsibilities

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