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About the Role

The Staff Software Engineer on the Core team owns the foundational platform that nearly every other system at the company is built on. This role involves architecting and leading the development of backend services, APIs, data models, and integrations, driving technical strategy, and contributing to the organization’s long-term architectural vision. The engineer collaborates in a cross-functional, agile AI-first environment, mentors other engineers, and fosters a culture of innovation and collaboration. This role is expected to build and use AI capabilities and infrastructure, and fundamentally change how work is done using AI coding tools.

Responsibilities

Own the core platform end-to-end, including architecting, building, and shipping services, APIs, and data models.
Drive platform technical strategy by identifying innovation opportunities and leading the adoption of new technologies.
Build the AI foundation for the company by standing up infrastructure, services, and patterns for AI integration.
Engineer for scale, reliability, and security, treating performance, observability, data integrity, and secure coding as first-class concerns.
Own the contracts other teams build on by designing clean, well-versioned APIs and integrations.
Own reliability in the wild by managing CI/CD, monitoring, and incident response.
Take ownership of large, ambiguous initiatives and break them into actionable workstreams.
Mentor and raise the bar for engineers through code reuse patterns, rigorous code review, and testing practices.
Collaborate with product and leadership across every line of business to align technical solutions with business priorities.

Requirements

8+ years of professional software engineering experience, with deep expertise building production backend systems in JavaScript/TypeScript (Node.js) and the surrounding service ecosystem.
A proven track record of designing, shipping, and maintaining complex, data-heavy, high-throughput platforms in production at scale.
Platform and systems architecture mastery, including designing APIs, data models, and service boundaries.
Deep understanding of secure coding practices, data integrity, performance optimization, and observability and debugging tools.
Full lifecycle ownership, including building and running services reliably in production, owning CI/CD pipelines, error rates, and service behavior under load.
Experience where workflow has been altered by AI, using frontier agentic coding tools and understanding how they have structurally changed work.
Demonstrated technical leadership, including setting technical direction, designing scalable architecture, and leveling up engineers.
A high-ownership mindset with a bias toward action, comfort operating in ambiguity, and the ability to balance technical and business considerations.
Experience building or operating AI/LLM infrastructure for other engineering teams.
Exceptional communication and collaboration skills, with low ego and high standards.

Skills

JavaScript/TypeScript (Node.js)
Backend systems development
API design
Data modeling
Platform architecture
Systems architecture
Secure coding practices
Performance optimization
Observability and debugging tools
CI/CD
AI/LLM infrastructure
Agent frameworks
Eval pipelines
Retrieval/RAG
Prompt and tool-call tooling
Communication
Collaboration

Location

United States

Work Type

Contract
Onsite

Experience Level

Staff
8+ years of professional software engineering experience

Salary/Compensations

170,000 - 175,000

Benefits

Comprehensive Healthcare
100% Company Paid Short and Long Term Disability
401k Participation and Equity Grants
Continuing Education Contributions
HSA Employer Contributions and FSA Options
Parental Leave Program
Commuter Benefits
Responsible Paid Time Off Program
Complimentary Madison Reed Products + Discounts on Hair Color Bar Services
Company sponsored events

About the Company

Madison Reed is disrupting a $50 billion industry with its omnichannel approach to professional hair color, offering clients options for home use or salon services.
Founded in 2013, the company provides professional hair color through its website (order or subscription), in-store pickup at Hair Color Bars, and appointments at Hair Color Bar locations.
The company launched a men's line in 2020 and is innovating in the hair care industry.
Madison Reed operates with core values: Love, Joy, Courage, Responsibility, and Trust, fostering a culture of transparency, accountability, fun, diversity, and inclusion.
The company is committed to an ultimate client experience, product innovation, and leveraging beauty technology.
Madison Reed's mission is to live life colorfully and make personal care more personal.

Equal Opportunity

Madison Reed is an equal opportunity employer.
We are committed to recruiting, training, compensating and promoting our employees regardless of race, color, religion, sex, disability, national origin, age, sexual orientation, gender or any other protected classes as required by applicable law.
Inclusion is at the heart of what we do, from job descriptions to daily values.