Senior Backend Developer (Node.js)

TL;DR

Senior Backend Developer (Node.js): Building and maintaining scalable backend and cloud solutions for IoT projects with an accent on AWS infrastructure and distributed systems. Focus on designing high-performance backend services and ensuring system reliability through effective cloud management and messaging protocols.

Location: Remote (Global), with core hours between 10:00 and 18:00 CET and occasional meetings up to 20:00 CET.

Salary: 15,000–25,000 PLN net/month (B2B)

Company

A specialized design and development partner with over 10 years of experience building applications for IoT and connected devices, including wearables and audio systems.

What you will do

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

Requirements

• English proficiency (B2 minimum).
• Strong experience with AWS services (EKS, S3, Aurora, DynamoDB, Timestream, EMR).
• Extensive experience with Node.js and backend development.
• Proficiency in infrastructure management using Kubernetes, Docker, and Terraform.
• Hands-on experience with MQTT messaging protocols.
• Familiarity with CI/CD tools such as Jenkins and GitLab.

Culture & Benefits

• 100% remote work environment.
• Flexible working hours with core availability between 10:00 and 18:00 CET.
• Opportunity to join the internal team for a long-term partnership after a trial period.
• Access to paid holidays and sick leave upon transitioning to a long-term contract.
• Support for professional training and career growth.
• Active culture of knowledge-sharing across technical projects.

Hiring process

• 45-minute screening call with HR.
• 60–90 minute technical interview.
• Final feedback provided within one week.