Lead Software Engineer - AI & Strategic Delivery

We are seeking a Lead Software Engineer to serve as the primary technical architect and delivery lead. This role is designed for an engineer who excels at foundational coding while managing a high-velocity delivery model that integrates agentic AI workflows and specialized external contributors.

Core Responsibilities

• Technical Architecture & Execution: Lead the design and implementation of core platform features. You will oversee multiple parallel workstreams, ensuring architectural consistency across the stack.
• Engineering Orchestration: Act as the primary lead for the platform. You will scope technical work packages, manage contributions from specialized freelance or outsourced partners, and maintain high standards through rigorous code reviews.
• AI-Augmented Development: Standardize the use of agentic coding tools (e.g., Claude Code, Cursor) within our development lifecycle. You will define the protocols for AI-assisted code generation, testing, and documentation to maximize organizational velocity.
• System Integrity & Security: Serve as the final authority for production deployments. You will maintain and extend critical infrastructure, including authentication, audit logging, and rate-limiting, ensuring compliance with data privacy standards.
• Roadmap Translation: Convert product requirements into executable technical specifications. You will balance the immediate need for delivery with the long-term requirement for platform stability and scalability.

Technical Stack

• Backend: Python, FastAPI, Async SQLAlchemy, Alembic, Redis.
• Frontend: React, TypeScript, Vite, React Query, Tailwind.
• Data: PostgreSQL, VCon (Virtual Contact) standards.
• Infrastructure: Integrations with third-party Voice AI and UCaaS providers.
• AI: Anthropic Claude API; integration of agentic tools into daily workflows.

Do you have experience in Data modeling?, * Demonstrated Impact: A portfolio of shipped production services. We prioritize evidence of sound technical judgment and successful delivery over specific years of tenure.

• Workflow Engineering: Proven ability to integrate AI coding agents into the development process. You understand the limitations of these tools and can implement the necessary guardrails to ensure high-quality output.
• Core Proficiency: Expert-level command of Python or TypeScript, with working proficiency in the other. Deep experience with asynchronous patterns and relational data modeling is required.
• Domain Expertise: Experience in Telephony, VoIP, or highly regulated/integration-heavy industries is strongly preferred.
• Contributor Management: Experience directing external technical contributors, including scoping requirements and managing remote code integration.
• Security Mindset: A proactive approach to application security, data encryption, and robust audit trails.

Professional Profile

You are a systems thinker who prioritizes functional software over theoretical perfection. You possess high agency and are comfortable setting technical direction and making definitive architectural decisions in an evolving environment.

3.73.7 out of 5 stars United States $90,000 - $130,000 a year - Full-time, Pulled from the full job description

• 401(k)
• Health insurance
• Retirement plan
• 401(k) matching
• Paid time off
• Employee discount
• Vision insurance, * 401(k)
• 401(k) matching
• Dental insurance
• Employee discount
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Retirement plan
• Vision insurance

CallHarbor is transitioning from a traditional telecommunications provider into an intelligent communications platform. We are developing a suite of AI-driven tools-including automated receptionists, intelligent routing, and VCon-based analytics-designed to convert raw voice data into structured business intelligence.