.
Senior Backend Developer (Node.js, freelance)
  • Warsaw
Senior Backend Developer (Node.js, freelance)
Warszawa, Warsaw, Masovian Voivodeship, Polska
INTENT sp. z o.o.
2. 2. 2026
Informacje o stanowisku

Senior Backend Developer (Node.js, freelance)

Miejsce pracy: Warszawa

Technologies we use

Expected

  • AWS
  • Node.js
  • Next.js
  • Kubernetes
  • Docker
  • Terraform
  • Jenkins
  • GitLab

Operating system

  • macOS

About the project

We’re currently seeking a passionate freelance Senior Backend Developer to join our projects ASAP. As a freelancer cooperating with intent, youll have the opportunity to work on diverse IoT projects, leveraging your expertise in backend and cloud technologies.

Your 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.

Our requirements

  • Strong experience with AWS services (EKS, S3, Aurora, DynamoDB, Timestream, EMR).
  • Expierience with node.js/next.js.
  • Proficiency in Kubernetes (EKS), Docker, and Terraform for infrastructure management.
  • Experience with MQTT for messaging protocols.
  • Familiarity with CI/CD tools like Jenkins and GitLab.
  • Advanced knowledge of backend development, cloud architecture, and distributed systems.
  • English proficiency (min. B2).

Optional

  • Knowledge about architecture (especially MVP) and design patterns.
  • Functional reactive programming knowledge would be a big plus.
  • Knowledge about some of the most popular testing libraries (e.g. JUnit, Mockito, Robolectric).
  • Experience in Google Play and Android Auto.
  • Experience in working in Agile or Scrum environments.
  • Experience with Flutter.

This is how we organize our work

This is how we work

  • in house
  • agile
  • scrum

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
  • documentation
  • issue tracking tools

What we offer

  • 100% remote work & flexible working hours with core hours between 10:00 and 18:00 CET, with some client meetings scheduled up to 20:00 CET (approx. 2 per week).
  • Knowledge-sharing initiatives.
  • If we’re a great fit after a few months of collaboration, we’d love to invite you to join the internal intent team for a long-term partnership, including:
  • Paid holidays & sick leave.
  • Training budget & career growth support.

Recruitment stages

  • Screening call with HR (45 mins).
  • Technical interview (60-90 mins).
  • Final feedback within a week after the interview.

INTENT sp. z o.o.

As .intent, we have over 15+ years of experience helping conceptualize, design, and build apps for IoT and connected devices. We are a software house from Warsaw that acts as a specialized think partner for products at the intersection of physical and digital – from net-new to products looking to enter a competitive and established niche. Some of our clients include Oura, BOSE, and McIntosh audio systems.

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


    109 318
    16 230