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Software Engineer with 10 years of experience building backend APIs, business systems, data models, administrative web applications, automation workflows, and AI-enabled solutions across billing, tax-compliance, access-control, and document-validation domains. Experienced in Node.js/TypeScript, Python/FastAPI, React, and C#/.NET with strong relational data modeling and LLM integration. I design reliable, scalable workflows that translate complex business rules into maintainable software while reducing manual effort and improving audit-ready reporting.…Software Engineer with 10 years of experience building backend APIs, business systems, data models, administrative web applications, automation workflows, and AI-enabled solutions across billing, tax-compliance, access-control, and document-validation domains. Experienced in Node.js/TypeScript, Python/FastAPI, React, and C#/.NET with strong relational data modeling and LLM integration. I design reliable, scalable workflows that translate complex business rules into maintainable software while reducing manual effort and improving audit-ready reporting.

Theodoric Graham

Software Engineer, Back-End Developer, Full Stack Developer, +3

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Software Engineer with 10 years of experience building backend APIs, business systems, data models, administrative web applications, automation workflows, and AI-enabled solutions across billing, tax-compliance, access-control, and document-validation domains. Experienced in Node.js/TypeScript, Python/FastAPI, React, and C#/.NET with strong relational data modeling and LLM integration. I design reliable, scalable workflows that translate complex business rules into maintainable software while reducing manual effort and improving audit-ready reporting.…Software Engineer with 10 years of experience building backend APIs, business systems, data models, administrative web applications, automation workflows, and AI-enabled solutions across billing, tax-compliance, access-control, and document-validation domains. Experienced in Node.js/TypeScript, Python/FastAPI, React, and C#/.NET with strong relational data modeling and LLM integration. I design reliable, scalable workflows that translate complex business rules into maintainable software while reducing manual effort and improving audit-ready reporting.

Available to hire

Software Engineer with 10 years of experience building backend APIs, business systems, data models, administrative web applications, automation workflows, and AI-enabled solutions across billing, tax-compliance, access-control, and document-validation domains.

Experienced in Node.js/TypeScript, Python/FastAPI, React, and C#/.NET with strong relational data modeling and LLM integration. I design reliable, scalable workflows that translate complex business rules into maintainable software while reducing manual effort and improving audit-ready reporting.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Software Engineer at ADP

January 1, 2024 - Present

Streamlined invoice and tax-data workflows for small-business accounting use cases, reducing manual review effort by roughly 25%. Integrated LLM-powered capabilities into internal business workflows using Python/FastAPI and external AI APIs to analyze and process structured/unstructured business data. Implemented 15+ API endpoints in Node.js/TypeScript and Python/FastAPI for invoice lifecycle management, tax validation, exports, and reporting filters. Built prompt-driven AI workflows with structured outputs plus application-level guardrails to improve the reliability of LLM-generated results. Developed 8+ React admin screens for invoice review, rejection handling, tax-field validation, exports, user management, and audit-ready status tracking. Produced Python-based spreadsheet reconciliation and structured Excel exports, saving 5–8 hours per week. Improved reliability with field-level validation, searchable logs, and safer integration boundaries across 10+ critical workflows.

Software Engineer at Place Technology

August 1, 2020 - December 1, 2023

Built agreement, billing, and renewal workflow features supporting contract-heavy business processes across multiple customer and service records. Developed 12+ C#/.NET services and React interfaces for document preparation, review queues, signature tracking, approval steps, and secure attachments. Structured recurring invoice and multi-state sales-tax compliance data across 15+ relational database tables using SQL Server, PostgreSQL, and MySQL-style schemas. Enhanced XML/JSON validation utilities for structured document packets, reducing downstream document-format issues by roughly 20%. Integrated digital-signature and agreement-status workflows aligned with U.S. ESIGN-style requirements. Generated 10+ Excel exports and operational reports for billing activity, customer records, document exceptions, and support review queues. Expanded role-based permissions and document access controls across 5+ major workflow areas including billing, agreements, documents, approvals, and customer rec

Full Stack Engineer at System Surveyor

June 1, 2015 - July 1, 2020

Developed access-control, visitor-management, and incident-reporting workflows for cloud-managed security platforms. Built 20+ backend API endpoints using Node.js/Express, REST APIs, and relational database schemas for users, sites, visitors, guards, access records, and device-originated events. Implemented authentication, validation, and role-based authorization flows across admin, guard, visitor, and reporting modules. Created offline-tolerant sync logic between mobile clients and backend APIs to improve reliability in unstable network environments. Shipped 12+ React admin pages for users, visitors, locations, reports, alerts, event history, and access records. Supported photo attachments, location-based reports, incident records, and entry/exit event history across thousands of operational records. Standardized API responses, sync logs, data normalization, and report ordering, reducing support investigation time by roughly 20–25%.