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Backend Integration Engineer

Location

United States

Posted

13 days ago

Salary

0

Seniority

Mid Level

Job Description

Backend Integration Engineer

Constellis

Role Description We are seeking a Backend Integration Engineer to expand and support LEXSO’s device ingestion, control, and API integration services across multi-domain security environments. The Backend Integration Engineer will design and implement backend services that integrate diverse third-party systems into LEXSO’s microservice architecture, including: - Ground-based sensors (LiDAR, radar, seismic) - Video surveillance platforms - Counter-UAS detection and tracking systems - Access control systems (badge readers, gate systems, identity platforms) - Drone/UAS response systems - OSINT and weather systems where applicable This is a hands-on engineering role focused on API integration, real-time event processing, and deterministic device control within distributed systems. Responsibilities - Develop backend services that ingest and normalize data from LiDAR systems, Radar platforms, Counter-UAS detection systems, PTZ camera systems, Seismic/Acoustic sensors and Access control systems - Build connectors and adapters for vendor-specific APIs and SDKs. - Translate heterogeneous data formats into standardized, spatially aware event models. - Integrate Counter-UAS detection systems that provide UAS identification, pilot localization, tracking telemetry and alert generation - Normalize UAS detection events into actionable backend workflows. - Support integration of drone response systems into automated workflows. - Ensure secure handling of airspace event data and real-time alerting - Integrate physical access control systems (ACS) into LEXSO - Correlate access control events with sensor detections and spatial context. - Support rule-based workflows linking perimeter detection to access control triggers. - Design and maintain RESTful APIs and service interfaces. - Implement secure authentication and authorization (OAuth2, JWT, RBAC). - Maintain API versioning and documentation standards. - Support service-to-service communication across microservices. - Ensure encryption and secure transport between systems. - Build ingestion pipelines capable of processing streaming sensor and system data. - Normalize incoming data into structured event models answering key - Support event prioritization, deduplication, and queue management. - Implement command routing services for supported devices and systems. - Support automated workflows triggered by real-time events. - Implement structured logging, monitoring, and system health reporting. - Participate in deployment validation and operational testing. Business work hours are Monday-Friday from 8:00 am to 5:00 pm, however some extended or weekend hours may be required. Qualifications - 5–7 years of professional experience designing and implementing APIs. - 5–7 years building backend systems in distributed or service-based architectures. - Bachelor’s degree in Computer Science, Engineering, or related technical discipline required - Experience integrating third-party systems via REST APIs. - Experience working with production systems requiring high availability. - Experience troubleshooting complex integration challenges. - Experience working in an Agile Development Environment. - Strong proficiency in one backend language such as Python (FastAPI) and Node.js - Experience working in microservice architectures. - Strong understanding of: - REST API design best practices - JSON and streaming data formats - Event-driven architectures - Experience with: - CI/CD pipelines - Docker or containerized deployments - Cloud environments (AWS, Azure, or hybrid) - Familiarity with authentication and role-based access control models. Preferred Experience - Experience integrating Counter-UAS systems. - Experience integrating physical access control systems. - Experience working with sensor-based or IoT systems. - Familiarity with message brokers (Kafka). - Experience in defense, federal, or regulated environments. - Familiarity with geospatial data and spatial indexing. Benefits - Constellis offers a comprehensive, total rewards package that includes competitive compensation. - A flexible benefits package that reflects its commitment to creating a diverse and supportive workplace.

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