Backend Engineer

**WHO WE ARE**

SQUIRE is the leading business management system designed for the needs of barbers, shop owners, and their communities. We believe the pursuit of artistry and autonomy should not be restricted by the complexities of running a business. With SQUIRE, we provide custom-branded tools, resources, and guidance to help barbers of all stages and experience levels attract and retain more customers, efficiently manage their shop operations, and increase their revenue.

Founded in 2015, SQUIRE is trusted by barbers in 4,000+ shops in more than a thousand cities around the globe. From streamlined booking and opening new shops to real-time earning dashboards and building lasting customer relationships, SQUIRE supports shop owners in seamlessly bridging the gap between their personal craft and business goals. SQUIRE enables barbers everywhere to unlock their full potential both as artists and as entrepreneurs.

**SUMMARY**

We’re looking for a backend engineer with strong service/API experience, some frontend exposure, and ideally a track record of building AI/LLM features or agents. The AI & Reporting team powers SQUIRE’s data and AI capabilities, helping barbers, barber shops, and our internal teams leverage insights and automation. We move fast, ship often, and experiment with AI in our workflows.

**REPORTS TO**

Engineering Manager

**JOB DUTIES AND RESPONSIBILITIES**:

- Design, implement, and maintain scalable services and APIs in **Node.js**.
- Bring transferable expertise from other high-level languages (**Java, Go, Python, etc.**) to influence architecture and performance decisions.
- Contribute to light React frontend work (the team is backend/data/AI heavy).
- Use AI-powered tools (Cursor, Claude/GPT reviewers, automated test agents) to accelerate development.
- Shape our AI-first engineering culture by experimenting with new workflows and mentoring peers.
- Adapt to evolving responsibilities as the platform and AI stack grow.

**REQUIREMENTS AND QUALIFICATIONS**:

- 5+ years building backend or full-stack services/APIs in a high-level language.
- Strong understanding of backend architecture, distributed systems, and API design.
- Willingness to work primarily in Node.js (experience is nice, not required).
- Bachelor’s degree in Computer Science or related field preferred.
- Bonus: experience building LLM-powered features or agents.
- Excellent English communication skills.
- Must be based in Buenos Aires with availability for 2 onsite days (CABA office)

**Interview Accommodations**

**Equal Employment Opportunity**

SQUIRE provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

**Pay Transparency Nondiscrimination Provision**

SQUIRE will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information.