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Senior Backend Developer

Jobgether · Région métropolitaine de Buenos Aires

جديد Remote
Remote Senior 🇬🇧 English
JavaScript Node.js Microservices Distributed systems MySQL MongoDB RPC API development Backend security Messaging systems Caching

وصف الوظيفة

About the role

We are looking for a Senior Backend Developer to join a globally distributed engineering team focused on digital finance and blockchain technologies. The role involves building and maintaining high‑performance backend systems that power financial services used worldwide.

Key responsibilities

  • Design, develop and maintain scalable backend services and APIs.
  • Collaborate with product, design and engineering teams to translate requirements into robust architectures.
  • Improve and optimise existing Node.js services for reliability and performance.
  • Develop new integrations with distributed and micro‑service architectures using RPC calls.
  • Write and optimise complex queries for MySQL and MongoDB supporting operational, financial and compliance processes.
  • Drive platform scalability initiatives to ensure real‑time responsiveness.
  • Apply security best practices to protect infrastructure, transactions and user data.
  • Participate in Agile ceremonies, code reviews and continuous‑improvement activities.
  • Support the evolution of messaging systems, caching layers and job‑queue architectures.

Required profile

  • Minimum 5 years of professional experience with JavaScript and Node.js backend development.
  • Strong understanding of microservices architecture and distributed systems design.
  • Proven experience building large‑scale platforms or applications.
  • Hands‑on experience with relational (MySQL) and NoSQL (MongoDB) databases.
  • Ability to quickly learn and adopt new technologies and frameworks.
  • Deep knowledge of backend security concepts and secure API development.
  • Experience with high‑availability, scalability optimisation and real‑time systems.

Required skills

  • JavaScript
  • Node.js
  • Microservices
  • Distributed systems
  • MySQL
  • MongoDB
  • RPC
  • API development
  • Backend security
  • Messaging systems
  • Caching
  • Job queues

Questions fréquentes

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Jobgether

Région métropolitaine de Buenos Aires