Full Stack Software Engineer - People Systems
Klaviyo is seeking a Full Stack Software Engineer to join their People Technology (KPPL) team in Boston, MA. This role focuses on integrating AI-driven solutions into People Operations, Talent Acquisition, and Finance to enhance employee lifecycle processes. As the first dedicated AI engineer within the team, you will play a pivotal role in shaping the future of People systems at Klaviyo.
In this position, you will reimagine core People workflows such as recruiting, onboarding, and performance management through an AI-first approach. Your responsibilities include designing and building AI-powered workflows, copilots, and agents that automate and augment People processes across the employee lifecycle. You will also architect and implement systems that integrate with various SaaS platforms like Workday, Greenhouse, and Sana, as well as internal Klaviyo platforms. Collaboration with the internal IT AI team to establish best practices for prompt engineering, LLM system design, and AI system observability will be essential.
The ideal candidate will have over five years of engineering or data engineering experience, with at least two years focused on building AI/ML or LLM-powered systems that deliver tangible business outcomes. Proficiency in Python, SQL, and modern APIs is required, along with experience in LLM platforms such as OpenAI, Claude, or Gemini. Familiarity with LangChain and LangGraph, as well as designing AI-powered workflows, agents, or copilots, is highly desirable. Experience integrating with enterprise SaaS systems and designing scalable systems, automation frameworks, and internal tools is also beneficial.
While specific compensation details are not provided, Klaviyo offers a comprehensive benefits package that includes health insurance, retirement plans, and professional development opportunities. The company fosters a collaborative and innovative work environment, encouraging employees to experiment and reimagine workflows to drive efficiency and effectiveness.
Joining Klaviyo's People Technology team offers the opportunity to be at the forefront of integrating AI into core business workflows, shaping how People teams operate in an AI-first world. This role provides a unique chance to have a significant impact on the company's growth and success by defining standards for responsible, scalable internal AI systems and building the blueprint for AI integration across the business.