Senior Back End Developer

1 dia atrás

Espumoso, Brasil buscojobs Brasil Tempo inteiro

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Join our Remobi community to work on meaningful, innovative freelance projects and help shape how companies operate.

Start Date: ASAP

Location: Anywhere in LATAM

Contract Length: 6 months initially

Contract Type: Freelance / B2B / Contract

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.

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 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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