Senior Backend Developer

🕒 August 21

🇵🇱 Poland – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 27%

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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Commit

WebsiteLinkedInAll Job Openings

501 - 1000 employees

🔒 Cybersecurity

Cybersecurity

Commit is a global tech services company founded in 2005, with a presence in Israel, the US, Canada, the UK, and Europe. It specializes in advanced technologies and applications, providing innovative, end-to-end technology solutions, including custom software and IoT platforms. Commit has over 700 multidisciplinary experts who cater to a wide array of companies, from startups to large enterprises, and focuses on areas like Cloud, GenAI, Software, IoT, Big Data, Cybersecurity, and data center migration. Its proprietary Flexible R&D methodology supports clients in transforming their technology visions into high-quality products while reducing costs and improving time-to-market.

📋 Description

• Work closely with security researchers • Turn prototypes, scrapers, and research pipelines into scalable production systems • Own projects end-to-end, including design, implementation, deployment, and maintenance • Build systems powering open-source intelligence and security research efforts • Design and build scalable backend systems and data pipelines • Transform research prototypes into production-grade services • Work with large datasets and high-scale systems • Collaborate closely with security researchers and engineers • Ensure reliability, performance, and maintainability of services • Contribute to architecture decisions and system design • Leverage AI/LLMs and automation tools to improve engineering workflows

🎯 Requirements

• 5+ years of backend development experience (Python, JavaScript, or similar) • Experience building and operating production SaaS services • Strong experience with high-scale systems and large datasets • Ability to independently drive projects end-to-end • Experience designing scalable architectures and data pipelines • Strong problem-solving and builder mindset • Comfortable using AI tools / LLMs in development workflows • Experience at a cybersecurity startup (nice to have) • Malware analysis or reverse engineering, including obfuscation, encryption, sandboxing, and time-bombs (nice to have)