Software Development Engineer III - Workflow AI

About HighLevel:
HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today, HighLevel supports SMBs across 150+ countries, fueling community-driven growth rooted in real customer outcomes.
To date, businesses operating on HighLevel have generated over $7 billion in ecosystem value, demonstrating the impact of shared infrastructure at scale. By centralizing conversations, automation and intelligence into one system, we help businesses move faster, reduce complexity and execute efficiently.
Behind the platform, HighLevel powers more than 4 billion API hits and 2.5 billion message events daily. With 250 terabytes of distributed data, 250+ microservices and over 1 million domain names supported, our architecture is built for performance, resilience and long-term scalability.

Our people
With over 2,000 team members across 10+ countries, HighLevel operates as a global, remote-first organization built for speed and ownership. We value initiative, clarity and execution, creating space for ambitious people to build systems that support millions of businesses worldwide. Here, innovation thrives, ideas are celebrated and people come first, no matter where they call home.

About Us

We are building the future of automation by integrating AI into workflows to make processes seamless and intelligent. Join us to lead the development of innovative AI-driven features at scale.

Responsibilities:

• Build workflows that simplify automation through prompt-based inputs.
• Integrate AI capabilities into actions like Email, SMS, and Code execution.
• Implement AI-driven recipe and template suggestions based on user prompts.
• Create tools for building custom AI agents to handle automation tasks.
• Develop advanced AI features like Data Extraction, Text-to-Voice conversion, and Data Analysis.
• Work with Retrieval-Augmented Generation (RAG) systems and knowledge bases to enable intelligent, context-aware workflows.
• Optimize APIs to handle millions of hits monthly with low latency.
• Mentor junior engineers and lead AI-driven projects.

Qualifications

• Strong proficiency in JavaScript and Node.js for backend development.
• Experience with AI platforms like OpenAI, Hugging Face, vector databases (e.g., Pinecone, Weaviate), and RAG systems.
• Skilled in building and integrating knowledge bases and leveraging AI for context-aware solutions.
• Proficient in data processing for LLMs and scaling AI systems.
• Experimentation-driven with strong ownership and a hacker mindset.
• 4+ years of software development experience, including 1.5+ years in AI-related projects.