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Open nowFirst seen 5 hours ago

Senior Backend Engineer (Platform & Architecture) - AppSec Solution

ox_security/f8.00641 open roles

Where
Armenia, Remote
Work mode
Remote
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Your applicationOpen nowSenior Backend Engineer (Platform & Architecture) - AppSec Solutionox_security/f8.006 · Armenia, Remote

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. ox_security/f8.006 postings stay open a median of 4 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.3%14 days
  5. 35.6%30 days
  6. 57.8%60 days
This job: first seen 5 hours ago

ox_security/f8.006 median: 4 days open

The posting

OX Security is securing the AI-driven SDLC from prompt to production. We're building the next generation of security technology for a world where AI is changing how software is built, deployed, and attacked.

We're growing fast and looking for a Senior Backend Engineer to join our AppSec Solution group, home of OX's 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.

Responsibilities

What You'll Be Doing

  • Own cross-company infrastructure and architecture projects end-to-end with our Software Architect, from design through adoption across teams
  • Build and own the shared foundations and standards our services are built on
  • Lead the evolution of our data layer as our largest customers scale
  • Build the platform foundations for running AI agents inside the OX product
  • Drive cost optimization from the application side, including how our services scale on Kubernetes
  • Raise the reliability and observability bar across our services
  • Lead how R&D builds with AI, so AI-assisted development is fast and meets our engineering standards
  • Lead technical alignment with team leads, DevOps, and Product: bring a clear point of view and move cross-team initiatives forward
  • Act as an internal partner for engineering teams: review designs, find reuse, and raise the architectural bar across R&D
  • Stay hands-on: write platform code and land changes across teams

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
  • The "AI-First" Spark: You are an early adopter of AI technologies and are passionate about finding ways to use AI to improve developer experience and system performance.
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