Dahlia Fairfield

Software Engineer at TRUSTED HUB

Led development, maintenance, and ownership of data and integration platforms. Engineered SQL Server databases with schemas, procedures, views, and queries, optimized with indexing and SSRS reporting. Enhanced an internal DSL and scripting engine (C# + Calitha GOLD Parser) delivering a 70% speed-up. Spearheaded a multi-party SOA-based business exchange platform for secure EDI workflows, reducing workflow turnaround by 80% and achieving 95% customer satisfaction through regular releases. Modernized legacy systems, improved frontend performance, and architected a Python-based AI/LLM platform (LangChain, RAG pipelines) for chatbots and document insights. Built mission-critical ETL services with asynchronous/multithreaded processing, robust audit logging, and strict security. Contributed to event-driven workflows triggering near real-time backend operations and deployed a Salesforce document upload service via JWT-authenticated Apex APIs with release/rollback plans.