Staff Software Engineer – Partner Integrations

Horizon3.ai

. Design and own the technical framework for Partner Integrations connectors .

Posted 10/23/2026full-timeRemote • United StatesLead💰 $229,500 - $260,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in designing and implementing complex integrations with a focus on reliability, observability, and security. Proficient in mentoring engineers and driving technical decisions while maintaining high engineering standards.

Highest-signal resume keywords

Expert Proficiency In GoExpert Understanding Of OAuth 2.0Experience Designing Integration ObservabilityStrong Grasp Of Distributed Systems Reliability PatternsTrack Record Building Integrations With Security Platforms

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Production IntegrationsAPI PlatformsWebhook DeliveryIdempotencySchema EvolutionStructured LoggingMetricsAlertingDashboardsComplex Authentication Flows

Soft Skills

MentoringTechnical Decision-MakingCollaboration

Tools & Technologies

KubernetesAWSCloud-Native Environments

Industry Keywords

EDRSIEMSOARITSMEnterprise SaaS Ecosystems

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsITSMKubernetesPythonGo

About the role

Key responsibilities & impact

Design and own the technical framework for Partner Integrations connectors
Define authentication lifecycle, event delivery semantics, retry and idempotency patterns, schema mapping, and observability
Directly implement technically demanding integrations involving complex authentication flows, high-volume event schemas, or sensitive customer data
Set reliability and observability standards for production-ready integrations
Create review checklists and enforce standards through code and design reviews
Maintain deep knowledge of APIs and event models for key integration partners
Mentor P3 and P4 engineers through design reviews, code reviews, and pairing
Own complex integration failures, diagnose root causes, coordinate with partner engineering teams, and prevent recurrence
Write production code and architecture designs
Report to the Partner Integrations Engineering Manager
Build and improve a shared framework for a portfolio of reliable integrations

Requirements

What you’ll need

8+ years of professional software engineering experience with deep specialization in production integrations, connectors, or API platforms
Expert understanding of OAuth 2.0/API key authentication lifecycle, webhook delivery and reliability, idempotency, pagination, rate limiting, partial failure handling, and schema evolution
Track record building integrations with major security platforms such as EDR, SIEM, SOAR, or ITSM, or comparable enterprise SaaS ecosystems
Expert proficiency in Go or Python
Strong grasp of distributed systems reliability patterns, including at-least-once delivery, dead-letter queues, and circuit breakers
Experience designing and operating integration observability, including structured logging, metrics, alerting, and dashboards
Comfort in cloud-native and containerized environments, including Kubernetes and AWS
Track record of setting engineering standards adopted by other engineers
Ability to produce clear architecture documents and drive technical decisions across team and partner boundaries
Experience mentoring mid-level engineers through design review and code review
Up to 5% travel may be required
Legally authorized to work in the United States
Must answer whether employment visa sponsorship is required

Benefits

Comp & perks

Equity package in the form of stock options for all full-time roles
Health, vision, and dental insurance for you and your family
Flexible vacation policy
Generous parental leave
Career development opportunities
Inclusive and collaborative culture
Remote work model
Competitive salary
Benefits and equity
Up to 5% travel may be required