Senior Infrastructure Engineer

LayerX is seeking a Senior Infrastructure Engineer to join our Applicative Infrastructure team. In this role, you will tackle large-scale, high-performance, cloud-native infrastructure challenges and shape a security-critical platform protecting millions of browsers across global enterprises. You’ll lead the design and development of complex security capabilities, own a mission-critical microservice architecture, and drive innovations that power our next-generation SaaS at scale.

Our Tech Stack:

• Cloud & Infrastructure: AWS, GCP, K8s, Terraform + CDKTF, ArgoCD, GitHub Actions etc.
• Data & Messaging: Kafka, Redis, Postgres, DynamoDB etc.
• Programming: Node.js, TypeScript, React, Rust, Python
• Specialized: Browser internals (Chrome, Edge, Firefox, Safari etc.)
  
  

• Customer First
• Engineering Excellence
• Continuous Improvement
• Shared Accountability
• Strong Ownership
• Challenge Anything
  
  

• Architect & build large-scale, cloud-native infrastructure to support high-performance, security-critical workloads.
• Own mission-critical production systems safeguarding millions of browsers for enterprise customers worldwide.
• Lead & influence key architectural decisions in our design forums.
• Collaborate with DevOps, Product, and Security teams to deliver robust, scalable, and maintainable solutions.
• Ensure reliability & quality through performance tuning, automated testing, and peer reviews.
• Explore the cutting edge of web and browser security.
• Drive rapid delivery, shipping improvements multiple times per day.
• Join a tight-knit engineering team solving complex infra and security challenges together.
  
  

• 5+ years of experience in backend or infrastructure engineering.
• Proven system design & architecture expertise for large-scale, cloud-native environments.
• Track record of leading technical design, reviews, and implementations.
• Hands-on experience with AWS, GCP, or Azure and Kubernetes, CI/CD, and GitOps.
• Strong background in microservices and data modeling with relational databases.
• Skilled in debugging, optimizing, and scaling complex distributed systems.
• Ability to quickly master new technologies in a fast-paced environment.
• Excellent communication, problem-solving, and collaboration skills.
• Self-driven, proactive, and thrives in challenging technical environments.
  
  

• Proven infrastructure scaling experience.
• Deep knowledge of web, browser internals, and security.
• Proficiency in Node.js, TypeScript, or React.
• Background in cybersecurity.
• B.Sc. in Computer Science / Software Engineering, or equivalent hands-on expertise (including relevant IDF experience).