Senior Backend Engineer, Admin Experience

Horizon3.ai

. Design, build, and operate backend services and APIs for user access, account hierarchies, settings, and administration workflows .

Posted 11/3/2026full-timeRemote • United StatesSenior💰 $199,000 - $235,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in designing and operating backend services and APIs, with a strong focus on secure authorization, data modeling, and production reliability. Proficient in modern programming languages and cloud platforms, with a commitment to effective collaboration and technical communication.

Highest-signal resume keywords

Backend Services DevelopmentAPI Design and ImplementationSQL and Relational Database ManagementCloud Platforms (AWS, GCP, Azure)Containerization (Docker)

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 EngineeringData ModelingAutomated TestingTechnical WritingProblem-SolvingPythonGoPostgreSQLGraphQLKubernetes

Soft Skills

CollaborationMentoringAttention to DetailAnalytical ThinkingClear Communication

Tools & Technologies

CI/CDFeature FlagsDatadogPrometheusOpenTelemetry

Industry Keywords

Multi-Tenant SaaSRBACSSOAudit LogsDelegated Administration

Tech Stack

Tools & technologies

AWSAzureCyber SecurityDockerGoogle Cloud PlatformGraphQLKubernetesPostgresPrometheusPythonSQLGo

About the role

Key responsibilities & impact

Design, build, and operate backend services and APIs for user access, account hierarchies, settings, and administration workflows
Own features from design and implementation through tests, safe rollout, observability, and production support
Apply secure authorization and data-modeling practices to customer and parent-child account relationships
Investigate production issues and improve service reliability, performance, and observability
Write and review maintainable code, automated tests, design documentation, runbooks, and support guidance
Partner with Product, frontend engineers, and adjacent platform teams to deliver cohesive customer workflows
Mentor teammates through design discussions, code reviews, and collaborative problem solving
Travel up to 5% may be required

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience
7+ years of professional software engineering experience building production software with a modern programming language
Experience designing and operating backend services and APIs and taking complex work from design through production
Strong SQL and relational database experience, including data modeling and debugging or improving queries
Experience building services on AWS, GCP, or Azure
Experience with Docker or other containerized applications
Demonstrated focus on testing, production reliability, observability, and clear technical communication
Ability to own complex work end to end, manage competing priorities, and communicate risks and tradeoffs early
Customer- and security-conscious approach to administration and access workflows
Strong analytical and problem-solving skills and attention to detail
Clear technical writing and effective collaboration with Product and engineering partners
Experience with multi-tenant SaaS, RBAC, SSO, audit logs, delegated administration, or account hierarchy models is advantageous
Experience with Python or Go, PostgreSQL, GraphQL, Kubernetes, and CI/CD is advantageous
Familiarity with feature flags, metrics, tracing, alerting, Datadog, Prometheus, or OpenTelemetry is advantageous
Experience in cybersecurity or building customer-facing platform capabilities is advantageous
Must be legally authorized to work in the United States

Benefits

Comp & perks

Equity package in the form of stock options for all full-time roles
Health, vision & dental insurance for you and your family
Flexible vacation policy
Generous parental leave
Career development opportunities
Inclusive and collaborative culture
Remote work