Senior Backend Developer – Freelance

Job not on LinkedIn

🕒 May 29

🇵🇱 Poland – Remote

💵 PLN15k - PLN30k / month

⏳ Contract/Temporary

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 46%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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intent

WebsiteLinkedInAll Job Openings

51 - 200 employees

💼 Consulting

📣 Marketing

🏥 Healthcare

Consulting • Marketing • Healthcare

intent is a software design and engineering company that specializes in creating connected devices at the intersection of physical and digital technology. With over a decade of experience, intent collaborates with startups and leading innovators to conceptualize, design, build, and scale digital products throughout their lifecycle. Their portfolio showcases a variety of successful projects, including wearables that provide medical insights and action communicators for outdoor activities. The team emphasizes professionalism, customer satisfaction, and efficient project delivery, making them a trusted partner in the technology and design sectors.

📋 Description

• Own and evolve the backend architecture for IoT projects: data ingestion pipelines, API design, infrastructure decisions • Make technical trade-off calls and defend them clearly to the team and to clients • Design and maintain cloud infrastructure on AWS (EKS, Aurora, DynamoDB, Timestream, S3) • Lead technical discussions: RFCs, architecture reviews, post-mortems • Mentor other backend engineers, raise the bar on code quality, and set patterns others can follow • Work side by side with firmware engineers, mobile developers, QA, PMs, and clients • Use AI tools as part of your daily workflow • Challenge product and technical assumptions when something doesn't add up

🎯 Requirements

• 7+ years of backend development, with a meaningful chunk spent leading technical direction • Strong Node.js skills in production systems at scale • Deep, hands-on AWS expertise: EKS, Aurora, DynamoDB, Timestream, S3 • Kubernetes (EKS), Docker, and Terraform • Solid understanding of distributed systems, event-driven architectures, and data pipelines • Experience with MQTT or similar IoT messaging protocols • CI/CD pipelines you've designed yourself (GitHub Actions, GitLab CI, Jenkins) • English at B2+, written and spoken

🏖️ Benefits

• Truly flexible hours: you organize your day • Fully remote, with pet-friendly Warsaw office + Gdansk cowork if you want them • Access to our internal knowledge-sharing: tech talks, experiments, side projects • 26 days paid leave (with permanent contract) • 10 sick days (with permanent contract) • Saltus medical care (with permanent contract) • Training budget (with permanent contract)