Note: The job is a remote job and is open to candidates in USA. Harnham is a fast-growing, remote-first technology business building innovative tools used by product and engineering teams globally. The Senior AI Platform Engineer will shape the foundations of an AI-driven platform, focusing on building production-grade AI capabilities and ensuring reliability and scalability in their systems.
Responsibilities
- Design and build AI-powered features with a focus on reliability and production readiness
- Develop agent workflows interacting with structured data and knowledge systems
- Build scalable retrieval systems across complex, versioned datasets
- Implement guardrails, observability, and evaluation frameworks for AI systems
- Design APIs and integrations with external tools and platforms
- Collaborate closely with product and design to deliver end-to-end features
- Contribute to technical direction, roadmap planning, and engineering best practices
Skills
- Strong commercial experience in backend engineering and system design
- Proven track record of delivering AI or machine learning features into production
- Experience working with LLMs, agent frameworks, or AI-powered workflows
- Solid programming experience including JavaScript and modern frontend frameworks
- Experience designing and building APIs and distributed systems
- Understanding of observability, scalability, and reliable architecture
- Comfortable working in fast-paced, product-focused environments
Benefits
- Equity
- Fully remote working with flexible hours
- High level of ownership and autonomy across features
- Dedicated time for learning and experimentation
- Strong focus on quality engineering and user experience
- Clear opportunity to influence product direction and grow your career
Company Overview