Remote Freelance Senior Backend Dev for IoT (Node.js/AWS)

Intent; Warszawa; Hybrid; PLN 167,000 - 279,000; Full time

Benefits offered by this job

Paid holidays

Sick leave

Training budget

Career growth

Job summary

Intent is seeking a freelance Senior Backend Developer to join IoT projects on a 100% remote basis. The role offers a B2B contract with a monthly net salary of 15,000–25,000 PLN, and core hours 10:00–18:00 CET.

You’ll work on scalable backend and cloud solutions using Node.js, AWS, Kubernetes, Docker, Terraform, and MQTT. Flexible schedules, client meetings a few times per week, and ongoing knowledge-sharing initiatives are part of the role.

Responsibilities

• Build and maintain scalable backend and cloud solutions for IoT projects.
• Optimize AWS infrastructure and cloud deployments.
• Develop high-performance and secure backend services.
• Collaborate with frontend, DevOps, and product teams.
• Improve system reliability by fixing issues reported by the QA team.
• Participate in brainstorming sessions and knowledge-sharing initiatives.

Skills

Node.js

Backend development

Cloud architecture

Distributed systems

Tools

AWS cloud services (EKS, S3, Aurora, DynamoDB, Timestream, EMR)

Kubernetes (EKS)

Docker

Terraform

MQTT

Jenkins

GitLab

Job description

Intent is seeking a freelance Senior Backend Developer to join IoT projects on a 100% remote basis. The role offers a B2B contract with a monthly net salary of 15,000–25,000 PLN, and core hours 10:00–18:00 CET.

You’ll work on scalable backend and cloud solutions using Node.js, AWS, Kubernetes, Docker, Terraform, and MQTT. Flexible schedules, client meetings a few times per week, and ongoing knowledge-sharing initiatives are part of the role.