Devonte Longmire

Analytical software developer, military veteran, and community advocate dedicated to building resilient teams and technology that elevates everyday life.

Software Engineer US Navy Veteran Tech Teacher President Creative Writer

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Professional Projects

Security Engineering Fundamentals (SEF) Portal – Microsoft

Role: Software Engineer

Internal security and compliance intelligence portal used by Microsoft leadership to monitor device compliance, SLA adherence, and risk posture across partner ecosystems.

Integrated an existing Virtual Organization Mapper API to dynamically connect people, teams, and metrics.
Engineered .NET REST APIs with Cosmos DB and Azure Functions to automate metric aggregation and publishing.
Provisioned Azure infrastructure—App Services, Key Vault, and Synapse pipelines—for resilient 24/7 operations.
Delivered a React (TypeScript) interface with embedded Power BI visuals for actionable reporting.
Collaborated with security and data engineering teams to streamline delegate management and delivery workflows.

Result: Replaced manual reporting with a unified, automated view of Microsoft’s security and compliance health.

C# .NET React TypeScript Azure Functions Cosmos DB Synapse Azure Data Explorer Power BI

Virtual Organization Mapper – Microsoft

Role: Software Engineer

Core API service that builds accurate, on-demand hierarchies linking Microsoft employees to their virtual organization leads for automated metric attribution.

Implemented scheduled and ad-hoc jobs to synthesize HR records with live org charts daily.
Optimized ingestion of large Parquet and CSV datasets using memoization and streamlined parsing strategies.
Delivered reliable mappings that powered downstream systems, including the SEF Portal.

Result: Enabled autonomous, timely reporting on device SLAs and compliance across the enterprise.

C# .NET Azure Functions Parquet CSV Processing

Cosmos DB Schema Modifier & Bulk Update Utility – Microsoft

Role: Software Engineer

Command-line and API toolkit designed to execute large-scale schema and document updates across Azure Cosmos DB collections with safety and auditability.

Supported add, update, and remove operations on nested and flat document properties.
Built automated backups, change tracking, and rollback flows to preserve data integrity.
Added validation, dry-run, and integrity checks to safeguard production workloads.

Result: Cut manual data maintenance from hours to minutes for multiple internal services.

C# .NET Cosmos SDK JSON CLI

Unified Library – Microsoft

Role: Software Engineer

Centralized data catalog and portal unifying telemetry assets stored across Azure Data Explorer, SQL, and Cosmos DB sources.

Designed relational schemas that harmonized distributed metadata into a cohesive catalog.
Implemented RBAC-driven access controls to meet internal compliance requirements.
Automated ingestion and synchronization workflows using Azure Functions and KQL.
Built React components for intuitive search, navigation, and visualization of assets.

Result: Accelerated discovery and governance of telemetry data for security and engineering teams.

C# .NET React TypeScript SQL Cosmos DB Azure Data Explorer Azure Functions

PDNS Ingestion & Processing Pipeline – Microsoft

Role: Software Engineer

Cross-cloud ingestion and transformation workflow moving high-volume Passive DNS telemetry from AWS to Azure for security analytics.

Ingested terabytes of NMSG data daily from AWS S3 into Azure Blob Storage.
Transformed raw payloads into CSV, JSON, and JSONL formats while deduplicating and validating records.
Utilized Rust and C# orchestration on Linux-based Azure VMs for parallel, high-performance processing.
Experimented with Kafka streaming to explore real-time ingestion and resiliency.
Applied KQL analysis for ongoing monitoring, tuning, and anomaly detection.

Result: Established a reliable telemetry bridge between AWS and Azure to strengthen security intelligence.

C# .NET Rust Azure Functions Azure VMs KQL Kafka AWS S3 Python Linux