Senior Backend Developer (Node.js / Nest.js)

Stack

Responsibilities

• ▹Design and develop robust, scalable and secure backend applications using Node.js and Nest.js
• ▹Implement RESTful APIs, GraphQL endpoints and microservices architectures
• ▹Optimize application performance, scalability and maintainability
• ▹Integrate with databases (SQL/NoSQL) and external services via APIs
• ▹Ensure code quality, security and compliance with industry standards

Requirements

• ▹5+ years with Node.js and 3+ years with Nest.js
• ▹Strong expertise in Node.js and Nest.js frameworks
• ▹Proven experience building REST and/or GraphQL APIs
• ▹Strong knowledge of JavaScript (ES6+) and TypeScript
• ▹Solid experience with relational and/or NoSQL databases (e.g. PostgreSQL, MySQL, MongoDB)
• ▹Familiarity with authentication/authorization mechanisms (JWT, OAuth2)
• ▹Experience with unit/integration testing (e.g. Jest, Mocha)
• ▹Proficiency with Git and version control workflows
• ▹Located in CET timezone (+/- 3 hours)

Nice to have

• ▹Experience with cloud platforms (AWS, Azure, GCP)
• ▹Familiarity with CI/CD pipelines and DevOps practices
• ▹Understanding of event-driven architecture and message brokers (e.g. RabbitMQ, Kafka)
• ▹Experience with Docker and containerized applications
• ▹Knowledge of microservices and serverless architectures

Soft skills

What we offer

• ▹On-time monthly payments with flexible withdrawal options
• ▹Predictable project hours with consistent 8-hour working days
• ▹Up to 24 flex days off per year without losing pay for full-time positions
• ▹Long-term remote positions
• ▹One-time contracting process for further positions with no extra assessments

About the company

Proxify is a Sweden-based company that matches freelance developers with clients for long-term remote positions.