Lead Full Stack Engineer - Users & Auth (Ingeniero/a Lead Full Stack - Usuarios y Autenticación) - Hybrid

Latin America 💼 Full-time🗓 2026-08-10 → 2026-09-25

Core

Designing and owning authentication, authorization, identity, and access control systems for Clara's B2B payment platform, integrating Auth0 across frontend and backend.

Role type

Lead Full Stack Engineer (Users & Auth)

Builds

Secure user identity and access management infrastructure for a B2B fintech platform

Domain

Fintech / B2B Payments / Identity & Access Management

Deliverable

production ML models | product features

Required skills

Java, Spring, React, Auth0, distributed systems security, technical product mindset, AI tooling experimentation

Preferred skills

Experience leading multidisciplinary teams, mentoring engineers, code review leadership

Technologies

Auth0, Java, Spring, React

Responsibilities

Own auth end-to-end architecture and implementation; lead sprint planning and retrospectives; mentor team members through pairing and knowledge sharing; conduct code and design reviews; evaluate product specs for feasibility and AI optimization opportunities

Seniority

Senior, hands-on IC with leadership responsibilities

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About Clara

Clara is the fastest-growing company in Latin America. We've built the leading solution for companies to make and manage all their payments. We already help over 20,000 large and growing businesses operate with agility and financial clarity through locally issued corporate cards, bill pay, financing, and a powerful B2B platform built for scale.