Founding Full Stack Engineer

Job Title

Founding Full Stack Engineer

– Pre‑seed cybersecurity startup building real‑time open‑source protection.

Join as a founding engineer to build a platform protecting the software supply chain from malicious activity. Working directly with the CTO, you will own the end‑to‑end development of analysis pipelines and developer‑centric security tools. This role is pivotal in moving the product from closed beta to a high‑impact public launch.

Remote, UK

• True founding opportunity to shape product architecture and engineering culture during a critical pre‑launch phase.
• High‑leverage technical challenges involving real‑time analysis pipelines, LLM‑powered detection, and scaling AWS infrastructure to handle global open‑source data.
• Recently closed pre‑seed funding with a clear path from an existing MVP and closed beta to a full public market release.

• Design and implement robust Python back‑ends and React front‑ends to make complex supply‑chain risks obvious and actionable for developers.
• Build and scale data analysis pipelines on AWS that inspect source code and dependencies at the repository level in real time.
• Integrate LLM and Machine Learning capabilities to improve threat detection quality and provide clear, automated explainability for security alerts.

• Proactive builder with full‑stack depth in Python, React, and AWS who thrives in the high‑ownership, ambiguous environment of an early‑stage startup.
• Strong communicator with a remote‑first mindset, capable of translating customer feedback into technical specs and shipping iterative improvements rapidly.
• Security‑conscious engineer with an interest or background in supply‑chain security, SAST/DAST, or building tools that developers actually trust and enjoy.