Senior Back End Developer

1 dia atrás

Região Geográfica Imediata de Criciúma, Brasil buscojobs Brasil Tempo inteiro

Position Overview

Senior Backend Developer (NestJS / Digital Banking Platform)

We are seeking a senior backend developer with 10+ years of experience and deep expertise in NestJS, API architecture, and multi-tenant systems to join our team. You will lead backend development for a next-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.

Start & Location

Start Date: ASAP

Location: Anywhere in LATAM

Contract Length: 6 months initially

Contract Type: Freelance / B2B / Contract

Responsibilities
  • Backend Development & Architecture: Design, build, and optimize scalable multi-tenant APIs for a digital banking system.
  • Security & Transactions: Implement secure account creation, transfers, and real-time banking dashboards.
  • API Leadership: 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.
  • 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.
  • 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.
Qualifications
  • 10+ years of experience in backend development.
  • Deep expertise with NestJS (architecture, testing, and production deployment).
  • Strong background in multi-tenant API systems and scalable backend architectures.
  • Experience in financial services or digital banking is highly desirable.
  • Hands-on experience with Kafka or similar event streaming platforms.
  • Knowledge of observability tools such as Datadog, Grafana.
  • Strong leadership, mentoring, and coaching skills.
  • Excellent communication skills in both English and Spanish.

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