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Senior Backend Developer (freelance)
New
JavaScript

Senior Backend Developer (freelance)

Warszawa
4 044 - 6 740 USD/monthNet per month - B2B
4 044 - 6 740 USD/monthNet per month - B2B
Type of work
Freelance
Experience
Senior
Employment Type
B2B
Operating mode
Remote
Intent

Intent

intent specializes in building and scaling products at the intersection of physical and digital. We excel at developing software for hardware, or for any situation where a digital interface facilitates communication with the physical world.

Tech stack

    AWS

    advanced

    Node.js

    advanced

    Next.js

    advanced

    Docker

    advanced

    Terraform

    advanced

Job description

Online interview

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


About intent

intent has over 10+ years of experience in conceptualizing, designing, and building apps for IoT and connected devices. We act as a specialized think partner for products at the intersection of physical and digital (such as wearables and IoT), working with companies like Oura, BOSE, and McIntosh audio systems.


Projects: smart bracelet, smart glucometer, automotive project for electric vehicles.


💎 Requirements:

  • Strong experience with AWS services (EKS, S3, Aurora, DynamoDB, Timestream, EMR).
  • Experience with node.js/next.js, Typescript.
  • 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).


💰 Salary:

  • 15-25K PLN net on a B2B contract (depending on experience).


🏝️ Perks & Benefits:

  • 100% remote work & flexible working hours.
  • 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.


What We Expect:

  • Proficiency in AWS & Cloud Infrastructure – you know your way around AWS services and cloud-native architectures.
  • Strong backend development skills – solid experience in building scalable, high-performance applications.
  • Keeping up with industry trends – staying ahead of the latest backend and cloud developments.


What You’ll Do:

  • 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.



Recruitment Process:

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


Join Us! 🚀

Be part of groundbreaking IoT projects, shaping the future of cloud and backend technology. If you’re excited about cloud computing, scalable systems, and backend development in innovative projects—this is the place for you! 💡

4 044 - 6 740 USD/month

Net per month - B2B