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Senior Backend Developer

Jobgether · Milan et périphérie

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

Description du poste

About the role

We are seeking a Senior Backend Developer to join a globally distributed engineering team focused on advanced digital finance and blockchain-powered technologies. You will help build and maintain high‑performance, scalable backend systems that power financial services used worldwide.

Key responsibilities

  • Design, develop, and maintain backend services and APIs for a high‑throughput financial platform.
  • Collaborate with product managers, designers, and other engineers to translate business needs into robust technical solutions.
  • Improve and optimise existing Node.js services for reliability, scalability and performance.
  • Create new backend integrations using RPC calls within a micro‑service architecture.
  • Write and optimise complex queries for relational (MySQL) and NoSQL (MongoDB) databases.
  • Drive platform scalability initiatives to ensure real‑time responsiveness under growing demand.
  • Apply security best practices to protect infrastructure, transactions and user data.
  • Participate in Agile ceremonies, code reviews, troubleshooting and continuous improvement.
  • 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 micro‑services architecture and distributed systems design.
  • Proven experience building and maintaining large‑scale platforms.
  • Solid experience with MySQL and MongoDB databases.
  • Ability to quickly learn new technologies, frameworks and engineering practices.
  • 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
  • API development
  • Backend security
  • Agile methodology
  • RPC communication
  • Caching
  • Messaging systems
  • Job queues

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Jobgether

Milan et périphérie