Backend Engineer

Krea.ai, Inc

• $120K — $150K *
San Francisco, CA 94112In-Person
Information Technology
5 - 7 years of experience
Reposted Today
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Job Overview by Ladders

Qualifications

  • 5+ years experience in backend development using JavaScript/TypeScript
  • Strong understanding of API design and implementation
  • Experience with database modeling and optimization
  • Familiarity with HTTP/3 and network protocols
  • Skills in performance profiling and bottleneck analysis
  • Proficient in using AWS services and Kubernetes management
  • Ability to contribute to open-source projects

Responsibilities

  • Design, implement, and maintain private APIs for web and mobile applications
  • Create and optimize database models
  • Troubleshoot and resolve system issues, particularly related to HTTP/3 connections
  • Enhance database and infrastructure performance using caching and pooling techniques
  • Profile and optimize HTTP/WebSocket request handling for real-time content generation
  • Improve service observability and monitoring to quickly address operational incidents
  • Scale services through architectural enhancements and infrastructure upgrades
  • Professionalize product features to meet enterprise standards

Benefits

  • Flexible work schedule to support work-life balance
  • Opportunity to work within a pioneering AI-focused company
  • Exposure to cutting-edge technology and creative tools
  • Collaborative culture emphasizing innovation and creativity
  • Chance to contribute to open-source projects and community
Full Job Description
What you'll do
  • Design, implement, deploy, and maintain private APIs for our main web and mobile applications.
  • Design database models.
  • Fix issues with our system that, among other things, may be related to how HTTP/3 handles client-side connections to our processes.
  • Improve database and infrastructure performance by implementing caching solutions or better connection pooling.
  • Profile and find bottlenecks for many types of HTTP/WebSockets requests to enable real-time image generation-and even video!
  • Improve observability, monitoring, and alerting for our service so that we can better respond to operational incidents
  • Scale our service via architectural changes as well as infrastructure improvements
  • Open-source any non-trivial innovations that come out of our work on the product
  • Design and iterate over software development processes so that we can build an web-native and AI-native creative tools for people.
  • Professionalize our main product by adding enterprise-grade features such as Audit Logs, SAML/SSO, SCIM.

Our stack
  • Javascript/TypeScript
  • Svelte & SvelteKit
  • Node, Postgres, and Redis
  • WebSockets
  • Managed Kubernetes cluster(s) on AWS
  • Monitored and observed via Axiom/HyperDX/Prometheus/OpenTelemetry
  • GitHub, Slack, Notion
* Ladders Estimates

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