International Tax – Senior / Manager (Builder)

Lazo; Miami (FL); On-site; USD 80,000 - 120,000; Full time

Job summary

A tech-enabled back office for startups is seeking a tax expert to act as subject matter expert for US and international tax. The role involves leading a team of analysts, client interaction, and driving process improvements. Applicants should have 4–7 years of tax experience, a CPA license, and strong problem-solving skills. The position offers ownership in a hybrid service and product environment, with a focus on modernizing tax processes in cross-border startups.

Qualifications

• 4–7 years in tax with international/cross-border experience.
• Experience in mentoring seniors and juniors.
• Comfortable speaking with clients.

Responsibilities

• Act as SME for US and international tax across the organization.
• Lead and mentor a team of tax analysts.
• Identify and implement process improvements.

Skills

International tax expertise

Process improvement

Problem-solving

Client communication

Education

CPA license

Job description

Overview

Lazo is building a tech-enabled back office for startups operating across the U.S, combining software + human expertise.

Responsibilities

• Act as SME for US tax and international tax across the organization

• Lead and mentor a tax senior and junior analyst team (Argentina-based)

• Join client calls (sales + ongoing advisory)

• Own and improve cross-border tax structures

• Identify and implement process improvements & automation

• Collaborate with product/ops to scale delivery

Qualifications

• 4–7 years in tax (international / cross-border preferred)

• Experience reviewing work or mentoring juniors and seniors

• CPA license

• Comfortable speaking with clients

• Strong problem-solving mindset

• Interest in improving processes (not just executing)

Nice to have

• Spanish (advanced)

• Exposure to startups / tech clients

• Interest in AI / automation

Why this role

• Real ownership (not internal firm politics)

• Direct exposure to founders

• Opportunity to build and scale systems

• Hybrid service + product environment

Location: Remote

This is not a traditional tax role.

You’ll move from executing compliance → owning decisions, leading a team, and helping build how tax should work in a modern, cross-border startup environment.