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9H · 1 day ago

Integration and Systems Engineer

United States

Full-time

Remote

Mid Level

3+ years exp

9H Digital is an ambitious Maltese organization providing sophisticated digital marketing services, now expanding internationally. As an Integration and Systems Engineer, you will design, build, test, and operate the integration backbone of their AI platform, ensuring reliable integration of AI agents into enterprise environments.

Digital MarketingSEOWeb DesignWeb Development

Responsibilities

Design and implement robust integrations between H6.ai and external systems including ERPs, accounting platforms, document management systems, and internal client databases

Build and operate reliable data pipelines for batch and near-real-time processing

Normalize, validate, and structure structured and unstructured data for use by AI agents

Ensure deterministic behavior, data consistency, traceability, and auditability in production systems

Work closely with AI engineers to ensure integrations support explainable and trusted AI workflows

Contribute to reusable integration patterns, templates, and internal frameworks

Design, develop, and maintain internal and external APIs that power H6.ai integrations

Architect and implement microservices and gateway components for secure client connectivity, including on-premise and hybrid deployments

Implement webhooks, asynchronous workflows, retries, idempotency, and robust error handling

Maintain integration libraries, SDKs, and API documentation

Diagnose and resolve complex integration issues across diverse client environments

Treat quality and correctness as first-class engineering responsibilities

Design and implement automated tests for integrations, APIs, and data pipelines

Encode financial and data invariants as executable checks, such as totals reconciliation, tax consistency, currency handling, and deterministic outputs

Build and maintain golden datasets, synthetic test data, and replayable scenarios for regression testing

Validate AI-driven workflows for correctness, explainability, and safe user overrides

Prevent regressions by ensuring the same input always produces the same output across releases

Support multiple client integrations in parallel while maintaining high engineering standards

Reduce onboarding risk and time-to-live through robust integration design

Manage bugs, enhancements, and technical debt related to integrations and system behavior

Collaborate with delivery and support teams to investigate and resolve production issues

Help define best practices for secure integration, data governance, monitoring, and operational excellence

Qualification

PythonREST APIsSQLSystems integrationAsynchronous systemsAutomated testsData engineering toolsClient delivery supportOrganisational skillsCollaboration