Back End Developer

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 DevOps 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
• GitLab / 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
• Flexible working hours
• Remote working options
• Remote working allowance
• Learning & language development support