Backend Infrastructure Engineer – Kubernetes & DevOps

Company Description

Kryptsec Inc, founded in 2017, is a global cybersecurity community driven by innovation and education. Officially becoming Kryptsec Inc in 2024, we provide a unique blend of learning and entertainment to inspire future cybersecurity experts. Our flagship offering, Kryptsec Chronicles, combines story-driven webtoons with real-world cybersecurity training. We ensure practical, job-ready skills through a platform aligned with industry standards. Join us to make cybersecurity accessible, exciting, and impactful.

Role Description

We’re seeking a Backend Infrastructure Engineer to own and evolve Kryptsec’s infrastructure into a scalable, secure, and automated platform. You’ll be improving the Kubernetes-based backend, optimizing CI/CD pipelines, and creating developer-friendly, production-grade tooling to help deliver a seamless UX to our growing community.

Requirements

• 🐙 3+ years experience with Kubernetes in production (StatefulSets, NetworkPolicies, multi-namespace architectures)

• 🚀 Strong experience with distributed task queues (Celery, Redis) and async job processing at scale

• 🐳 Deep containerization expertise (Docker) and experience optimizing container startup times (<30s requirements)

• 🧠 PostgreSQL optimization experience, including shared database architectures and connection pooling

• ⚡ Proven track record building high-performance backends (FastAPI/Python preferred) with sub-second response times

• 🔧 Experience with infrastructure-as-code (Terraform) and GitOps deployment workflows

• 💡 Self-starter who can diagnose complex distributed systems issues and implement robust solutions

• 🛠️ Passion for building seamless user experiences through smart infrastructure design

Responsibilities

• 🏗️ Architect and implement our next-gen lab platform.

• ⚡ Build robust queue systems (Celery/Redis).

• 🔧 Design shared infrastructure components (databases, caches).

• 🚀 Implement advanced Kubernetes patterns: pod lifecycle management, graceful shutdowns, and state reconciliation

• 🌐 Create sophisticated network policies and isolation boundaries for multi-tenant lab environments

• 📊 Build admin dashboards and monitoring systems for real-time infrastructure visibility (Flower, Prometheus)

• 🤝 Work directly with founder to solve challenging UX problems through infrastructure innovation

• 🎯 Own end-to-end reliability: from preventing race conditions to implementing circuit breakers and retries

Nice to Have

• 🛡️ Cybersecurity background or interest in security education platforms.

• 📈 Experience scaling systems.

• 🎮 Understanding of gamification and how infrastructure impacts user engagement.

• 🔍 Familiarity cloud-based learning platforms.

🌎 Remote-first, async-friendly culture

🧠 Work on meaningful projects that blend art, tech, and security

📚 Education budget or skill stipend

🔐 Early team equity or performance bonuses possible

Message Kryptsec on Linkedin regarding job listing.