Car Wars · 1 day ago
Senior Software Engineer - Conversational AI Platform
United States
Full-time
Remote
Senior Level
5+ years expCar Wars is a technology company focused on providing software solutions that enhance personal growth through AI. The Senior Software Engineer will design and implement features for a conversational voice AI system, ensuring high-quality performance and operational excellence while owning the product's lifecycle.
Artificial Intelligence (AI)Machine Learning
Responsibilities
Own your design, implementation, deployments, and live-site health
Write code that integrates across the full conversational AI stack: speech-to-text, text-to-speech, Large Language Models (LLMs), and telephony systems
We optimize the audio pipeline to ensure delivery of high-quality results
Deliver real-time conversational voice AI, including low-latency infrastructure
You will deliver Infrastructure as Code (IaC) using AWS CDK for both containerized and serverless architectures
Deliver fault-tolerant and highly available telephony integrations featuring graceful degradation and comprehensive error handling
We are an AI-first engineering team. You are an expert in prompt design, context management, and optimization across LLM providers
Our team moves quickly and confidently by investing in code quality, automated tests, and contributing high-value code review feedback
We obsess over customers with operational excellence, delivering solutions with observability infrastructure. We measure what we ship with SLIs, SLOs, high signal-to-noise structured logs, monitoring, and alarming. We own our outcomes
Actively contribute to the team’s systems design. We value elegance in simplicity and embrace complex technical decisions
Drive critical technical decisions that affect broad areas of the platform
Establish and enforce engineering standards, best practices, and architecture patterns
Lead initiatives for the team that improve engineering productivity, quality, and scalability
Design and implement scalable systems spanning both modern and legacy systems
Proactively identify and solve technical problems
Build maintainable, scalable, and business-aligned systems
Translate complex business needs into robust technical strategies
Apply a “first—team” mentality, meaning we win and lose as a team
Earn trust from others and keep it
Champion knowledge sharing via documentation, talks, and pairing sessions
Provide insightful code reviews that raise team quality. Invest in the success of other team members
Help engineers of all levels build leadership and technical skills
We value direct communication. No empty corporate-speak
Qualification
Required
CS degree (or demonstrated equivalent depth in algorithms, systems design, distributed computing)
5+ years building and scaling production systems
Expert-level TypeScript and Node.js experience
Strong AWS experience (ECS, Lambda, RDS/ElastiCache, SQS, CloudWatch, networking, IAM)
Infrastructure as code with CDK
Production database experience (Postgres)
Obsessive about testing, observability, and reliability
Preferred
Thrive on feedback, coaching, and continuous professional development
Are self-motivated, adaptable, and take a curious, strategic approach to problem-solving
Have excellent communication skills and a customer-first mindset
Have experience with LLM application development (prompt engineering, context management, latency optimization)
Have experience with Real-time systems (WebSockets, event-driven architectures)
Have experience with high-throughput distributed systems and performance optimization under strict latency constraints
Have experience with telephony/VoIP systems (SIP, RTP, audio codecs)
Have experience with third-party integrations for dealership management systems (DMS), scheduling platforms, and CRMs
Benefits
Full benefits package.
Fidelity 401k with company match.
Fun perks including a monthly gym reimbursement, a monthly wellness reimbursement, and a monthly reading allowance.
Opportunities for continued career growth within the organization.
Fun and collaborative work environment.
Company
Car Wars
Car Wars is the artificial intelligence (AI) phone solution for more than 13,000 dealerships.
51-200 employees
Funding
Current Stage
Growth StageRecent News
Company data provided by crunchbase