# Principal Software Engineer

**Company:** [Hi Marley](https://hotfix.jobs/companies/hi-marley)
**Location:** Boston, MA
**Role:** Fullstack Engineering
**Salary:** $114k – $268k/yr
**Experience:** 10+ years
**Skills:** AWS, Node.js, TypeScript, React, Distributed Systems, Artificial Intelligence, AI Agents, Relational Databases, Document Databases, Automated Testing, CI/CD, Claude Code, Cursor, Codex
**Posted:** 2026-07-15

> Leads architecture and delivery of complex, scalable software systems while serving as a technical multiplier across engineering. The role emphasizes AI-agent architectures, responsible development in regulated environments, AWS, Node.js, TypeScript, React, distributed systems, and mentorship.

## Job Description

## Responsibilities
- Set technical direction and define architecture patterns across multiple systems and domains.
- Make high-stakes technical trade-offs and communicate decisions to engineers, product teams, and executives.
- Lead complex, multi-team initiatives from architecture through delivery and operational excellence.
- Own reliability, scalability, and security for mission-critical systems.
- Design, prototype, and ship production systems using AI-assisted development tools such as Claude Code, Cursor, and Codex.
- Establish practices, guardrails, and review discipline for safe, high-quality AI-enabled development in a regulated environment.
- Mentor and coach engineers, raise engineering quality standards, and influence without authority.
- Build consensus and serve as a trusted technical advisor across engineering.

## Requirements
- Typically 10+ years of software development experience.
- Track record delivering large, complex systems to production at scale and influencing technical direction across teams.
- Experience designing distributed architectures, ideally in AWS.
- Strong understanding of separation of concerns, scalability, loose coupling, and designing for failure.
- Experience designing systems where AI and agents are first-class architectural components, including agent design, orchestration, configurability, and guardrails.
- Sound judgment for building AI products responsibly in regulated environments.
- Experience with relational and document-oriented databases, including performance tuning and scaling.
- Proficiency in Node.js, TypeScript, and frontend frameworks such as React.
- Fluency with automated testing, CI/CD, and modern code-management practices.
- Ability to communicate complex issues clearly to technical and executive audiences.
- Candidates must be authorized to work in the U.S. without current or future sponsorship.

## Compensation & Benefits
- Annual base salary: **$114,200–$267,800**, depending on experience, skills, qualifications, and location.
- Equity grants for all employees.
- 4% matching 401(k) program.
- Medical, dental, vision, disability, and life insurance coverage for employees working 30+ hours per week.
- Monthly wellness stipend.
- Paid parental leave.
- Flexible vacation policy.

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