Senior Fullstack Engineer (Ingeniero/a de Software Fullstack Senior) - Remote
Core
Building the onboarding engine for a B2B fintech platform, handling KYB/KYC flows, document verification, and account activation across Latin America.
Role type
Senior Fullstack Engineer (Backend-heavy)
Builds
Onboarding services, verification orchestration, and customer activation interfaces for a payments platform.
Domain
Fintech / B2B Spend Management / Latin America
Deliverable
production ML models | product features
Required skills
Java, Spring ecosystem, React, PostgreSQL, Redis, RESTful APIs, Kafka, AWS, distributed systems architecture, mentoring
Preferred skills
AI tool usage, async/event-driven patterns, cross-functional collaboration
Technologies
Java, Spring Boot, Spring Batch, React, PostgreSQL, Redis, Kafka, AWS
Responsibilities
Designing and building backend services for sign-up and verification flows; contributing to responsive frontend interfaces; owning integrations with external identity and data providers; collaborating with Product, Design, Risk, and Compliance; applying AI tools to improve workflows; elevating team quality through code reviews and pairing.
Seniority
Senior, hands-on IC with mentorship responsibilities