Senior Backend Engineer (Node.js/Nest.js) - Remote

Proxify; Poland; On-site; PLN 335,000 - 484,000; Full time

Benefits offered by this job

Get paid, not played

On-time monthly payments

Predictable project hours

8-hour workdays with clients

Up to 24 flex days off per year

Career-accelerating positions

Exclusive long-term remote positions

Hand-picked opportunities

One seamless contracting process

Consistent pay with Proxify

Job summary

Proxify seeks a Senior Backend (Node.js / Nest.js) Developer to join its remote, long-term network. Build scalable web applications and collaborate with backend developers and designers to craft intuitive experiences.

Ideal candidates have 5+ years in Node.js and 3+ in Nest.js, plus REST/GraphQL API experience, and strong DB knowledge. This full-time remote role offers ongoing projects with global clients.

Qualifications

• 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.
• 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.

Responsibilities

• Design and develop robust, scalable 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.

Skills

Node.js

Nest.js

REST APIs

GraphQL

Databases

JWT/OAuth2

Unit testing

Git

Tools

Docker

Kubernetes

RabbitMQ

Kafka

Serverless

AWS

Job description

Proxify seeks a Senior Backend (Node.js / Nest.js) Developer to join its remote, long-term network. Build scalable web applications and collaborate with backend developers and designers to craft intuitive experiences.

Ideal candidates have 5+ years in Node.js and 3+ in Nest.js, plus REST/GraphQL API experience, and strong DB knowledge. This full-time remote role offers ongoing projects with global clients.