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Start Date:ASAP
Location:Anywhere in LATAM
Contract Length- 6 months initially
Contract Type:Freelance / B2B / Contract
Senior Backend Developer (NestJS / Digital Banking Platform)
Position Overview
We are seeking aSenior Backend Developerwith 10+ years of experience and deep expertise inNestJS, API architecture, and multi-tenant systemsto join our team.
You will lead backend development for anext-generation digital banking platform, enabling account creation, secure transfers, real-time dashboards, and deposit tracking.
This is a hands-on leadership role for an engineer who thrives in fast-paced environments, challenges assumptions, and mentors a young and ambitious engineering team while driving backend excellence.
Key Responsibilities
Backend Development & Architecture
Design, build, and optimize scalable multi-tenant APIs for a digital banking system.
Implement secure account creation, transfers, and real-time banking dashboards.
Lead API architecture discussions, testing (unit, integration, e2e), and deployments.
Leadership & Mentorship
Mentor and coach a growing engineering team, instilling best practices in backend systems.
Facilitate code reviews, technical discussions, and knowledge-sharing sessions.
Challenge existing approaches and propose better architectural and technical solutions.
Event Streaming & Observability
Drive the adoption of event streaming (Kafka) for real-time transaction processing.
Implement strong monitoring, logging, and observability with tools such as Datadog or Grafana.
Collaboration & Delivery
Work closely with frontend engineers (React/Next.js, React Native) to deliver seamless banking experiences.
Contribute to onboarding processes by setting up tools, frameworks, and engineering standards.
Collaborate cross-functionally with stakeholders to ensure reliable and timely delivery.
Requirements
10+ years of experience in backend development.
Deep expertise withNestJS(architecture, testing, and production deployment).
Strong background in multi-tenant API systems and scalable backend architectures.
Experience infinancial services or digital bankingis highly desirable.
Hands-on experience withKafkaor similar event streaming platforms.
Knowledge of observability tools such asDatadog, Grafana.
Strong leadership, mentoring, and coaching skills.
Excellent communication skills in bothEnglish and Spanish.