Hybrid Full Stack Product Engineer – Digital Infrastructure

at BETA TECHNOLOGIES

• Job title: Full Stack Product Engineer – Digital Infrastructure
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: $175,000 - $225,000 per year
• Degree requirement: No Education Requirement
• Location requirements: Hybrid, South Burlington, United States

About the role

• Engineer transforming organization to AI-enabled enterprise developing web applications. Building resilient systems addressing industry challenges like memory and AI collaboration.

Responsibilities

• Drive full-stack feature development from conception to deployment, taking ownership of key product initiatives
• Collaborate on the design and implementation of user-facing features that improve the overall user experience
• Build robust, scalable, and high-performance web applications using modern frontend and backend technologies
• Identify opportunities to optimize and enhance existing systems
• Optimize prompts, fine-tune AI model behavior, and rigorously evaluate performance
• Contribute to architectural decisions that shape the future of our digital products
• Stay at the forefront of agent-based products and emerging AI capabilities
• Ship your first PR on day one

Requirements

• A humble attitude, eagerness to support teammates, and a willingness to do whatever it takes to help the team succeed
• Strong full-stack foundation — from building frontend components to developing APIs and integrating third-party services
• Hands-on experience integrating AI/LLMs into real-world applications
• Proficiency with modern development practices and meaningful real-world experience
• Experience working on user-facing products, with the ability to distinguish signal from noise through direct customer engagement
• Willingness to work hard, move quickly and effectively, and adapt rapidly in a changing environment
• Exceptional ability to learn, execute, and teach others
• Strong problem-solving skills and attention to detail
• Excellent communication skills and the ability to collaborate cross-functionally
• Ability to leverage off-the-shelf tools when appropriate, along with a passion for building internal tools that accelerate your own and your teammates’ workflows
• Proven experience building multi-agent systems capable of performing complex tasks
• Previous experience as a core builder (not a manager) at a high-growth startup
• Contributions to open-source projects
• Strong understanding of agent orchestration and the ability to design simple, elegant systems

Benefits

• onsite healthcare in Vermont
• comprehensive medical coverage
• dental and vision
• short- and long-term disability
• paid parental leave
• daily lunch provided
• flight lessons