Senior Fullstack Software Engineer (Agentic Applications GTM)

Location: New York, United States

Base salary: $124,900–$228,900 USD per year, plus potential stock-based and variable compensation.

Company

hirify.global is an independent digital advertising technology platform helping advertisers reach audiences across streaming TV, podcasts, mobile apps, news, and other open-internet channels.

What you will do

• Architect and build agentic systems for pipeline hygiene, account research, call preparation, deal risk scoring, forecasting, and sales coaching.
• Define agent design patterns, tool-calling conventions, retrieval-augmented pipelines, evaluation frameworks, and human-in-the-loop guardrails.
• Integrate Salesforce, Outreach, ZoomInfo, Slack, and internal platform data through APIs, data platforms, and MCP-style interfaces.
• Lead design reviews, establish engineering standards, and shape the GTM Engineering roadmap.
• Partner with Product, Sales, Trading, and RevOps to connect agentic capabilities with measurable business outcomes.
• Mentor engineers and promote AI-first engineering practices.

Requirements

• BS degree in an engineering-related discipline and 8+ years of software engineering experience.
• At least 2 years of production experience building LLM or agentic applications, including agents, RAG pipelines, tool use, or multi-agent orchestration.
• Deep experience with Python and TypeScript or JavaScript, plus agentic frameworks such as LangChain, LangGraph, CrewAI, AutoGen, or Semantic Kernel.
• Strong knowledge of REST or GraphQL APIs, event-driven architecture, and SaaS GTM integrations.
• Experience building full-stack applications across data pipelines, backend services, and seller-facing front-end tools.
• Technical leadership experience, including architectural decisions, RFCs, and raising engineering standards.

Nice to have

• Experience with Sales, RevOps, GTM engineering, or internal tooling, particularly in ad tech, media, or programmatic advertising.
• Familiarity with Salesforce, Outreach, Gainsight, or comparable GTM platforms.
• Experience evaluating and red-teaming LLM agents for safety, reliability, and correctness.
• Exposure to media buying, campaign performance data, or advertising analytics.

Culture & Benefits

• Work on systems processing large datasets and operating at global scale.
• Comprehensive medical, dental, and vision coverage with premiums paid for employees and dependents.
• 401(k) retirement plan with company match, disability coverage, life insurance, and well-being benefits.
• Tuition reimbursement, parental leave, sick time, paid vacation, and approximately 13 paid holidays annually.
• Eligibility for stock-based compensation and an employee stock purchase plan.