The Principal Engineer will lead the technical ecosystem, ensuring hands-on execution in a high-growth environment, focusing on AI integration and full-stack development.
This is a remote position.
Our client is looking for a Principal Engineer / Technical Executive to take full ownership of their technical ecosystem — from architecture decisions to hands-on execution across the entire stack. They operate in a high-growth tech environment, having rapidly evolved their product capabilities and infrastructure over recent years while pushing forward in AI-driven innovation.
This is not a traditional leadership role. They need someone who builds, ships, fixes, and scales — all in real time. The ideal candidate combines the strategic thinking of a CTO with the execution speed of a senior engineer who still loves writing code daily.
- Deliver end-to-end features across frontend, backend, database, workflows, and AI systems without relying on handoffs
- Make and implement key architectural decisions including system design, data structures, caching, and infrastructure setup
- Own production systems, diagnosing and resolving issues across servers, APIs, queues, and databases
- Lead AI integration initiatives, from experimentation to production-ready deployment
- Build and optimize data pipelines, model inference systems, and GPU-based workflows
- Design and maintain payment systems, subscription logic, and financial workflows
- Develop across all layers including UI components, APIs, testing, and deployment scripts
- Set engineering standards through high-quality code, testing, and documentation
- Support and mentor engineers across different areas of the stack
Requirements
- 8+ years of hands-on software engineering experience building production systems
- Strong full-stack expertise including frontend, backend, databases, and infrastructure
- Proven experience integrating AI/ML models into live production environments
- Experience building or managing systems that handle financial transactions
- Deep understanding of system reliability, debugging, and performance optimization
- Experience scaling systems under real user traffic and growth conditions
- Ability to move quickly across multiple layers of a system without dependency on specialists
- Advanced experience with modern JavaScript frameworks and backend technologies
- Strong knowledge of database design and optimization
- Experience with infrastructure management, including Linux environments and networking
- Familiarity with AI/ML frameworks and model deployment strategies
- Ability to evaluate tradeoffs and make pragmatic technical decisions
- Strong ownership mindset and problem-solving approach
Benefits
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What you need to know about the Boston Tech Scene
Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
Key Facts About Boston Tech
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