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CensysCensys

Senior Backend Engineer, SOC & Threat Hunting

Senior backend engineer building resilient APIs and scalable microservices for Censys' Adversary Investigation module to deliver threat intelligence tools for SOC analysts and threat hunters. Requires 5+ years building distributed apps, 2+ years with Go microservices, and cloud experience.

About the job

What You’ll Do

  • Architect and refine robust backend services to drive the capabilities of the Adversary Investigation module
  • Collaborate cross-functionally with Product, Design, and Frontend teams to create high-impact solutions for our customers
  • Maintain end-to-end ownership of the development cycle, from automating builds and testing to deployment and ongoing monitoring
  • Facilitate data-intensive user experiences by integrating both internal systems and external APIs
  • Engage in a fast-paced, iterative environment focused on technical excellence and proactive feedback loops

What You’ll Bring

  • 5+ years of professional experience building distributed web applications and APIs
  • Experience with building microservices in Go (2+ years)
  • Experience with at least one cloud provider, like GCP, AWS, or Azure
  • Familiarity with Docker and interest in improving our CI/CD deployment process
  • Desire to improve test coverage and increase code maintainability
  • The ability to thoughtfully participate in technical discussions and drive towards data-driven decisions amidst ambiguity and competing priorities
  • Strong communication and documentation skills
  • Open to using AI to amplify their skills and strengthen their work

What Sets You Apart

  • Familiarity with gRPC or REST
  • Experience with microservice-based designs with GCP PubSub, Kafka or other
  • Experience with different databases, like: Redis, BigTable, BigQuery, Postgres
  • Experience building, deploying, and maintaining containerized services in Kubernetes
  • Familiarity with other web technologies such as TypeScript, JavaScript, and proficiency with React is a plus
  • Understanding the value of building maintainable software, including test coverage, linters, code complexity checks, design patterns

Skills

Go, Microservices, GCP, AWS, Azure, Docker, Kubernetes, gRPC, Rest, Redis, BigQuery, Postgres, Kafka, Pub/Sub

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