Senior Backend Developer - Node. Js

Remote | Europe

A fast-growing global consumer technology company is looking for a Senior Node. Js Backend Developer to join its international engineering team. The organisation builds innovative real-time digital products used daily by millions of users worldwide.

Their platform focuses on creativity, self-expression, and enhancing online communication experiences through advanced audio technology.

The Role

As a Senior Backend Developer, you will take ownership of server-side architecture, backend services, and data infrastructure while working closely with Dev Ops and product teams to scale systems globally. You'll play a key role in designing performant, secure, and scalable backend solutions supporting real-time user interactions. Their tech stack includes: Node. Js (Express)

MongoDB
Redis
Google Cloud Platform (GCP)
Kubernetes
Docker

Git Lab / CI/CD

Responsibilities: Build and maintain scalable backend services and APIs

Collaborate with product and engineering teams to design new features




Optimise services for performance, scalability, and reliability
Implement security and data protection best practices
Design and manage data storage solutions
Develop reusable backend components and libraries

Contribute to testing strategies including unit and E2E testing

Requirements: 5+ years' experience as a Backend Developer

Strong experience building and consuming REST APIs
Experience with SQL and/or NoSQL databases
Proven ability to write clean, maintainable, and efficient code
Solid understanding of TDD, SOLID principles, and software design practices
Experience with Docker, Kubernetes, Git, and CI/CD workflows
Experience monitoring and optimising system performance

At least B2 level English language skills

In return, they can offer: Annual salary of €60-70k

Adaptable working hours
Remote working options
Remote working allowance

Learning & language development support

📌 Back End Developer - €60.000 - €70.000 A Year - Remote (Valencia)
🏢 Global Consumer Technology
📍 Valencia