Senior Software Engineer

Harnham is a collaborative SaaS company embedding AI directly into its core product experience, and they are seeking a Staff Software Engineer focused on AI products. This role involves leading the design and delivery of customer-facing AI-powered features, collaborating closely with product and design teams to create intuitive user experiences.

Responsibilities:

• Lead the design and delivery of customer-facing AI-powered features (e.g., copilots, assistants, summaries, intelligent workflows)
• Own initiatives end-to-end—from concept and UX design to production deployment and iteration
• Build intuitive, high-quality frontend experiences that make AI capabilities accessible to non-technical users
• Collaborate closely with product and design to translate AI capabilities into simple, usable interfaces
• Architect and implement full-stack systems connecting frontend, backend, and AI services
• Establish best practices for AI product UX, performance, and reliability at scale
• Act as a technical leader, guiding architecture decisions and mentoring engineers

Requirements:

• 7+ years of software engineering experience, with Staff-level scope and ownership
• Proven track record of leading initiatives or owning products end-to-end
• Frontend-leaning background (or full-stack with strong frontend expertise)
• Experience building and shipping user-facing applications, not just backend systems
• Hands-on experience integrating AI into products (LLMs, copilots, agents, RAG, etc.)
• Strong product mindset—ability to translate complex AI into intuitive user experiences
• Experience partnering closely with design and product teams
• Comfortable operating in ambiguity and driving clarity across teams
• Experience with TypeScript, React / Next.js
• Experience with Node.js, serverless backends
• Experience with cloud infrastructure (AWS or similar)
• Experience with LLM platforms (e.g., OpenAI, Anthropic, Bedrock)
• Experience with RAG pipelines and modern AI SDKs