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Senior Backend Engineer – Growth, MSSP
Horizon3.ai. Design and implement backend services enforcing licensing, entitlements, feature access, usage limits, and packaging rules .
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in backend service design and implementation, focusing on licensing, entitlements, and user access controls. Proficient in building production applications on cloud platforms and managing multi-tenant SaaS environments with a strong emphasis on operational reliability and technical documentation.
Highest-signal resume keywords
Backend Service DesignCloud Application DevelopmentRBAC ImplementationProduction ReliabilityMulti-Tenant SaaS Experience
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
PythonGoTypeScriptJavaScalaC++SQLPostgreSQLDockerKubernetes
Soft Skills
Time ManagementAnalytical SkillsProblem-SolvingEffective CommunicationMentoring
Tools & Technologies
AWSAzureGCPObservability ToolingNotifications Infrastructure
Certifications & Qualifications
Bachelor's Degree in Computer ScienceComputer Engineering
Industry Keywords
LicensingEntitlementsUsage MeteringAudit LoggingSaaS PlatformsTenant IsolationSubscription SystemsFeature FlagsIncident ResponseAccount Hierarchies
Tech Stack
Tools & technologiesAWSAzureDockerGoogle Cloud PlatformJavaKubernetesPostgresPythonScalaSQLTypeScriptC++Go
About the role
Key responsibilities & impact- Design and implement backend services enforcing licensing, entitlements, feature access, usage limits, and packaging rules
- Build and evolve provisioning and onboarding workflows for account setup, entitlement propagation, and auto-provisioning
- Develop infrastructure for user access controls, account settings, parent-child account relationships, RBAC, and authorization
- Build MSP/MSSP capabilities including asset allocation, sub-client management, usage visibility, and reporting workflows
- Implement audit logging and event history systems for administrative, entitlement, usage, and account-level actions
- Develop the notifications platform for usage warnings, consumption alerts, overage notices, product announcements, and other communications
- Operate services in production, contributing to monitoring, runbooks, incident response, and support workflows
- Contribute production code meeting standards for design quality, test coverage, observability, and operational rigor
- Collaborate with Pentest Data Platform and Platform Integration Team to apply entitlement, access, and account-hierarchy rules consistently
- Lead through technical judgment, system design, and reliable execution as a senior individual contributor
- Own significant pieces of platform infrastructure while balancing feature delivery, long-term platform investment, and production health
Requirements
What you’ll need- Bachelor's Degree in Computer Science, Computer Engineering, or a related field
- 7+ years of professional software engineering experience using modern object-oriented or functional languages such as Python, Go, TypeScript, Java, Scala, or C++
- Experience building production applications on AWS, Azure, or GCP
- Experience using Docker and Kubernetes
- Ability to own and manage concurrent initiatives
- Strong prioritization and time management
- Self-directed and able to implement solutions independently and as part of a team
- Strong desire to continuously learn new technologies in a fast-paced Agile environment
- Excellent analytical and problem-solving skills
- High attention to detail and quality
- Strong technical documentation ability, including design docs, runbooks, and support documentation
- Effective communication and collaboration across engineering, product, and design
- Interest in mentoring junior and mid-level engineers
- Experience with multi-tenant SaaS platforms and tenant isolation
- Experience with RBAC, authorization, authentication, or SSO systems
- Experience with licensing, subscription, entitlement, usage metering, or billing-adjacent systems
- Experience designing audit log or event history systems
- Familiarity with provisioning, feature flags, and staged rollout patterns
- Experience building admin consoles or customer self-service workflows
- Experience with MSP, MSSP, or multi-tenant partner models
- Experience with notifications infrastructure
- Production reliability experience, including observability tooling, on-call ownership, runbook authorship, and incident response
- Expert proficiency in SQL
- Experience with relational database architectures, particularly PostgreSQL
- Comfort with complex data models involving account hierarchies, usage records, and entitlement state
Benefits
Comp & perks- Equity package in the form of stock options for all full-time roles
- Health insurance for you and your family
- Vision insurance for you and your family
- Dental insurance for you and your family
- Flexible vacation policy
- Generous parental leave
- Career development opportunities
- Inclusive culture
- Collaborative and innovative work environment
- Remote and hybrid work models depending on role and location