Principal Full Stack Engineer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Principal Full Stack Engineer in United States.

This is a unique opportunity for a highly experienced engineer to shape the future of an innovative SaaS platform transforming the automotive repair industry through advanced technology and AI-driven workflows. In this role, you will take ownership of large-scale platform initiatives, designing scalable systems and leading product development from concept to launch within a fast-moving, high-growth environment. You will collaborate closely with engineering, product, and leadership teams to build intelligent, customer-focused solutions that directly impact thousands of businesses. The position offers significant technical autonomy, strategic influence, and the opportunity to work within an AI-first engineering culture where experimentation and innovation are encouraged. Ideal candidates are visionary builders who combine strong architectural expertise with a passion for modern development practices, AI integration, and solving complex product challenges at scale.

• Lead the architecture, design, and development of scalable full-stack solutions supporting core platform functionality and long-term product growth.
• Drive technical strategy for data ingestion, automation systems, and customer-facing product enhancements.
• Design reusable services, APIs, and platform components that support performance, scalability, and maintainability across the ecosystem.
• Collaborate closely with Product and cross-functional teams to translate business needs and customer pain points into impactful technical solutions.
• Build and optimize AI-powered workflows, autonomous systems, and agentic infrastructure to support modern software delivery practices.
• Influence and improve CI/CD pipelines, containerization strategies, Infrastructure as Code practices, and cloud-native engineering processes.
• Champion engineering best practices including security, testing, code quality, observability, and long-term maintainability.
• Conduct in-depth code reviews and provide technical mentorship to elevate engineering standards across teams.
• Adapt quickly to changing priorities and contribute across infrastructure, integrations, backend systems, and frontend experiences as needed.
• Drive innovation through experimentation with emerging AI technologies, development frameworks, and scalable architectural patterns.

Requirements:

• 7+ years of professional experience building complex web-based SaaS platforms and full-stack applications.
• Strong expertise in AI and Large Language Model integrations, including prompt engineering and AI-assisted development workflows.
• Proven experience deploying AI-powered features and autonomous workflows within production-grade systems.
• Hands-on experience integrating AI tooling into CI/CD pipelines, testing automation, or development orchestration processes.
• Advanced knowledge of relational and NoSQL databases including PostgreSQL, MySQL, MongoDB, and Redis.
• Strong understanding of scalable system design, cloud infrastructure, API architecture, and modern development practices.
• Ability to take full ownership of projects and drive initiatives independently in fast-paced, high-growth environments.
• Excellent communication and collaboration skills with the ability to align technical decisions with product and business outcomes.
• Experience with technologies such as .NET, Node.js, TypeScript, and React is highly valued.
• Familiarity with Infrastructure as Code tools such as Terraform or CloudFormation is a plus.
• Previous startup or founding engineer experience is considered an advantage.
• Experience with AI agent ecosystems, plugin integrations, or advanced LLM workflows is beneficial.

Benefits:

• Fully remote work environment within the United States with strong flexibility and autonomy.
• Equity options offering the opportunity to participate directly in company growth and success.
• 100% employer-paid medical insurance coverage.
• Flexible paid time off policy with a minimum encouraged usage.
• Access to FSA, HSA, and 401(k) programs.
• Learning and professional development stipend.
• Work-from-home equipment support for building a high-quality remote office setup.
• Opportunity to work in an AI-first engineering culture focused on innovation and experimentation.
• Significant ownership and influence over platform direction, architecture, and product evolution.
• Collaborative and inclusive environment that values diverse perspectives, creativity, and continuous learning.
• Career growth opportunities within a rapidly scaling technology organization.