Principal Software Engineer

🕒 May 8

🇵🇱 Poland – Remote

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 34%

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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Mend.io

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2011

🔒 Cybersecurity

☁️ SaaS

🤖 Artificial Intelligence

Cybersecurity • SaaS • Artificial Intelligence

Mend. io is an AI-native application security (AppSec) platform that helps organizations find, prioritize, and remediate vulnerabilities across source code, open-source components, containers, and AI-powered application components. The platform includes SAST, SCA, container security, DAST/API testing, SBOM management, dependency update automation, and AI-specific features such as AI red teaming, LLM/agent protection, and AI-based remediation workflows. Mend. io is positioned as a scalable, enterprise-grade SaaS solution focused on software supply chain and open-source risk management.

📋 Description

• Design and build solutions from scratch, taking full ownership from idea to production • Develop backend systems, leveraging and customizing AI agents • Drive independent research and lead development in new, ambiguous domains, shaping innovative products where standards are still evolving • Act as a technical leader and key decision maker, owning critical architectural and design choices • Collaborate closely with security researchers, data scientists, and product managers to turn ideas into production ready solutions

🎯 Requirements

• 10+ years of backend software engineering experience • 3+ years in a hands on technical leadership role (Principal / Tech Lead / Architect) • Strong experience building systems end to end from scratch in a product environment • Strong hands on experience with a modern programming language (Go preferred; experience with Java or Python is also valuable) • Strong product mindset and ability to connect technical decisions to business impact • Proven ability to own and drive initiatives independently in ambiguous environments • Experience building or working on systems that integrate AI/LLM based capabilities into real world applications • Hands on experience using AI agents throughout the development lifecycle • Solid understanding of cloud environments and modern development practices (AWS/GCP/Azure) • Strong communication skills and ability to collaborate effectively with senior stakeholders

🏖️ Benefits

• Flexible working hours • Professional development opportunities