Senior Backend Engineer – AppSec Solution Group

About this role

Description We're growing fast and looking for a Senior Backend Engineer to join our AppSec Solution group , home of company core platform, and play a key role in shaping the architecture and infrastructure the whole product runs on. This is a high-impact, cross-functional role where you'll work closely with our Software Architect, team leads across R&D, DevOps and Product, helping us build the foundations for what comes next, including running AI agents inside the product at scale.

If you're independent, opinionated and love turning a design on a whiteboard into a production system, we'd love to meet you. Requirements What We're Looking For: 7+ years of backend engineering experience, with architect-level depth in system design Strong production experience with Node.js and TypeScript AI-first: you build with AI tools every day, adopt new AI technologies early, and look for ways AI can improve developer experience and system performance Deep experience with databases at scale: data modelling, performance, and evolving a data layer in production Proven hands-on experience in platform engineering and infrastructure, including shared foundations adopted across teams Hands-on experience with Kubernetes and a strong understanding of DevOps practices Track record of leading cross-team technical projects and influencing without formal authority Clear written communication: design docs and technical reviews Nice to have: Practical understanding of LLMs and AI agents Experience with cloud cost optimization Background in cybersecurity or SaaS Originally posted on Himalayas

Source listing: himalayas_poland_p1