Note: The job is a remote job and is open to candidates in USA. Harnham is partnering with a high-growth AI-native technology company building a next-generation platform for the advertising and marketing industry. The Senior AI Engineer will design and build production-grade agentic workflows, integrate AI systems with external platforms, and establish trustworthy AI foundations including evaluation, observability, guardrails, and monitoring. The role also involves owning features end-to-end and collaborating with product teams, customers, and technology partners.
Responsibilities
- Design and build production-grade agentic workflows, orchestration systems, tool integrations, and autonomous task execution capabilities
- Partner with Product teams to translate complex advertising and marketing processes into reliable, agent-driven solutions
- Develop the foundations required for deploying trustworthy AI systems, including evaluation frameworks, observability, guardrails, monitoring, and failure handling
- Integrate AI-driven workflows with third-party advertising, marketing, analytics, and enterprise data platforms
- Collaborate directly with customers and technology partners to improve performance and usability of agentic features in real-world environments
- Champion the use of modern agentic development tools and contribute to internal engineering workflows, standards, and best practices
- Own features end-to-end, from architecture and development through testing, deployment, and continuous improvement
- Participate in technical design discussions and code reviews as a senior individual contributor within a fast-moving engineering organization
Skills
- 5+ years of professional software engineering experience with strong fundamentals across distributed systems, APIs, backend services, and data modeling
- Proven hands-on experience building AI-powered products using LLMs, agent orchestration frameworks, tool usage patterns, or multi-agent architectures
- Experience designing and shipping production software in startup, scale-up, or high-growth technology environments
- Ability to work with modern integration protocols and external platform ecosystems, including agent-based architectures and workflow orchestration
- Strong written communication skills and experience collaborating effectively within remote-first teams
- Genuine interest in emerging AI and agentic engineering technologies, trends, and best practices
- Experience in advertising technology, marketing technology, digital media, or campaign management ecosystems
- Experience integrating platforms such as customer data platforms, cloud data warehouses, advertising networks, or marketing analytics tools
- Familiarity with LangChain or similar agent orchestration frameworks
- Experience running, fine-tuning, evaluating, or deploying local and self-hosted LLMs
Benefits
- Fully remote, US-based opportunity.
- Optional NYC office access for in-person collaboration.
- Opportunity to influence both product direction and engineering culture.
- Work alongside a senior, highly technical team building cutting-edge AI products.
- Significant ownership, autonomy, and end-to-end technical responsibility.
Company Overview
Company H1B Sponsorship