AI Platform Engineer II — Build End-to-End AI Solutions

Sezzle; Mexico; On-site; PHP 2,294,650 - 4,130,783; Full time

Job summary

Sezzle is seeking an AI Engineer II to drive end‑to‑end AI platforms within a fast‑paced fintech environment. You will own projects from discovery to production, build AI‑powered features, and embed solutions into customer‑facing products and internal tools.

This role requires strong Python/SQL and frontend skills (React), plus experience with distributed systems and LLM tools like Claude. You will mentor teammates and help shape scalable architectures.

Qualifications

• 3–5 years of professional experience in software engineering, AI engineering, platform engineering, or related roles.
• Hands‑on experience designing, building, and shipping AI‑powered systems into production environments.
• Strong proficiency in Python, SQL, and frontend frameworks such as React.
• Proven experience designing and owning production‑grade full‑stack systems.
• Experience working with distributed systems, internal platforms, or complex data workflows.
• Demonstrated experience working with Claude or equivalent large language model tools; comfortable leveraging AI to enhance productivity, research, and communication.
• Ability to operate effectively in ambiguous problem spaces and drive solutions with minimal direction.

Responsibilities

• Lead the design, development, and ownership of AI‑powered internal platforms and systems, including initiatives built from the ground up with a focus on Marketing.
• Own end‑to‑end delivery of complex projects, from problem discovery and system design through production rollout and iteration.
• Design and implement AI‑driven features, intelligent automation, and orchestration systems that enhance customer experiences and productivity across teams.
• Embed AI capabilities into customer‑facing products, internal tools, and operational workflows, ensuring solutions integrate naturally and deliver measurable value.
• Build full‑stack systems spanning backend services, APIs, data layers, and frontend interfaces.
• Translate ambiguous business and operational problems into scalable, maintainable, AI‑enabled technical solutions.
• Apply strong systems thinking to ensure reliability, performance, security, permissions, and auditability across platforms.
• Collaborate closely with engineers, teams, and stakeholders across the company to identify high‑impact opportunities and drive adoption.
• Participate in production support and incident response for owned systems, helping define and uphold reliability and operational best practices.
• Mentor AI team members through code reviews, design feedback, and hands‑on guidance, raising the overall quality bar of the team.

Skills

Python

SQL

React

Distributed systems

Claude

LLM tools

Ambiguity handling

Ownership

Job description

Sezzle is seeking an AI Engineer II to drive end‑to‑end AI platforms within a fast‑paced fintech environment. You will own projects from discovery to production, build AI‑powered features, and embed solutions into customer‑facing products and internal tools.

This role requires strong Python/SQL and frontend skills (React), plus experience with distributed systems and LLM tools like Claude. You will mentor teammates and help shape scalable architectures.