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Senior Backend Developer

Jobgether · Portugal

Nuevo Remote
Remote Senior 🇬🇧 English
JavaScript Node.js Microservices architecture Distributed systems MySQL MongoDB API development Backend security

Descripcion del puesto

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. The role involves building and maintaining scalable backend systems that power high‑performance financial services used worldwide.

Key responsibilities

  • Design, develop, and maintain backend services and APIs for scalable financial platforms.
  • Collaborate with product managers, designers, and stakeholders to translate requirements into efficient architectures.
  • Improve and optimise existing Node.js services for reliability, scalability and performance.
  • Develop new backend solutions and integrations using RPC calls within microservice architectures.
  • Write and optimise complex queries for 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 processes, code reviews, troubleshooting and continuous improvement.

Required profile

  • At least 5 years of professional experience with JavaScript and Node.js backend development.
  • Strong understanding of microservices architecture and distributed systems design.
  • Experience with large‑scale platforms, high‑availability systems and real‑time performance optimisation.
  • Proficiency with relational (MySQL) and NoSQL (MongoDB) databases.
  • Ability to quickly learn and adapt to new technologies and frameworks.

Required skills

  • JavaScript
  • Node.js
  • Microservices architecture
  • Distributed systems
  • MySQL
  • MongoDB
  • RPC communication
  • API development
  • Backend security
  • High‑availability systems
  • Scalability optimisation

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Publicado hace 13 horas

Expira en 1 mes

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Jobgether

Portugal