Senior Back End Developer
1 dia atrás
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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 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.
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 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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