Software Engineer II – Backend

Censys

. Own small-to-medium product API features end to end, from technical design through launch, monitoring, and iteration .

Posted 11/3/2026full-timeRemote • United States, CanadaMid-LevelSenior💰 $116,450 - $164,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building and optimizing REST and gRPC APIs, with a strong foundation in Go, Python, or Java. Proficient in SQL and relational data modeling, with a focus on maintainable software practices and effective communication across teams.

Highest-signal resume keywords

Go ProgrammingREST API DevelopmentGRPC API DevelopmentSQL ProficiencyKubernetes Deployment

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Software EngineeringAPI DesignRelational Data ModelingPerformance OptimizationTesting and CIEvent-Driven SystemsContainerizationMonitoring and AlertingCode ReviewSecurity Products Experience

Soft Skills

Clear CommunicationCuriosityTeam CollaborationMentoring

Tools & Technologies

GCP PubSubSplunkGoogle SecOpsMicrosoft SentinelKubernetesAWSAI Coding Tools

Industry Keywords

Exposure ManagementSupplier Risk IntelligenceVulnerability ManagementThird-Party RiskAttack Surface Management

Tech Stack

Tools & technologies

AWSDNSGoogle Cloud PlatformGRPCJavaKafkaKubernetesPostgresPythonSplunkSQLGo

About the role

Key responsibilities & impact

Own small-to-medium product API features end to end, from technical design through launch, monitoring, and iteration
Build and extend public REST and gRPC APIs for Exposure Management and Supplier Risk Intelligence
Develop risk event endpoints powering SIEM integrations with Splunk, Google SecOps, and Microsoft Sentinel
Partner with frontend engineers and product stakeholders on API contracts, filtering, pagination, and response shapes
Integrate data and services from other Censys teams through gRPC and GCP PubSub
Profile and optimize API performance, including Postgres query plans, indexing, caching, and payload size
Write tests, add observability, and take release and on-call responsibility for shipped services
Incorporate customer feedback into design discussions
Help onboard interns and newer engineers

Requirements

What you’ll need

4+ years of professional software engineering experience building backend services
Production experience with Go, or strong experience in Python or Java and the drive to become proficient in Go quickly
Experience designing and consuming REST or gRPC APIs
Solid SQL skills and working knowledge of relational data modeling, indexing, and query performance
Track record of building maintainable software, including tests enforced in CI, meaningful monitoring and alerting, and thoughtful code reviews
Clear written and verbal communication with engineers, product managers, and other teams
Curiosity and willingness to learn new domains, tools, and parts of the stack
Experience with security products, attack surface management, third-party risk, or vulnerability management
Experience building APIs for external developers or partners, including OpenAPI specs, versioning, and webhooks
Experience with event-driven systems such as GCP PubSub or Kafka, and idempotency and retries
Experience deploying containerized services on Kubernetes in GCP or AWS
Fluency with AI coding tools
Working understanding of Internet technologies, including DNS record types, WHOIS, and Certificate Subject Alternative Names (SANs)

Benefits

Comp & perks

Bonus eligibility
Equity
401k match
Health insurance
Vision insurance
Dental insurance
Benefits effective on day one
Identity verification through CLEAR for candidates receiving an offer