Mitchell Cohen

Software Engineer — Fintech & Healthcare Systems

Over ten years building line-of-business software across asset management, healthcare claims, and enterprise data platforms — from C# and SQL Server up through React and Azure. Increasingly building with Claude Code alongside that stack, from feature work to full infrastructure recovery.

Projects

Ideochrom

Personal project — React · TypeScript · Redux · ASP.NET Core

A web-based karyotype ideogram generator for genomics research. Upload cytoband, copy-number, gene, and translocation files to produce publication-ready chromosome diagrams in linear or Circos-style circular layouts. Supports Wakhan CNA and Severus SV VCF formats natively; band data auto-syncs from the NCBI cytogenetic repository daily. Exports at print resolution in PNG, PDF, TIFF, and more — no account or installation required.

Built with Claude CodeActively developed and kept running with Claude Code, including a full UI overhaul and a from-scratch infrastructure recovery after a server failure — both written up on the blog.

Technical Skills

Claude Code Copilot Prompt Engineering & Config C# JavaScript TypeScript .NET Core React Redux SQL Server Azure Azure AI Search Dynamics 365 Docker Kubernetes HIPAA / PBM

Professional Experience

Senior Software Engineer — RSM US LLP

3/2023–Present (Business Solution Consultant, 5/2022–3/2023)

  • Architected secure ASP.NET Core API endpoints for RSM's Enterprise Operational Data Store (eODS), authenticated via Microsoft Entra ID (OAuth2/OIDC) and documented with Scalar API Reference, enabling CRUD operations on client, prospect, opportunity, and talent data for downstream consumers.
  • Built an event-driven ingestion pipeline consuming Azure Service Bus messages, implementing idempotent processing and resilient error handling to protect data integrity across enterprise systems.
  • Integrated eODS with Dynamics 365/Dataverse via XRM to synchronize business entities, supporting downstream operational workflows and data-quality enforcement.
  • Designed Azure AI Search indexes, indexers, and supporting SQL views to enable fast, relevant search across enterprise operational datasets.
  • Led the upgrade of RSM's internal Pitchbook API from .NET Core 3.1 to .NET 6, migrating settings to Azure App Configuration and Key Vault — eliminating manual token replacement and streamlining deployments.
  • Owned production release orchestration in Azure DevOps: authored release plans, coordinated QA/DevOps stakeholders, managed pull request reviews, and executed cherry-pick deployments to release branches.
  • Develop and maintain RSM's Master Data Management (MDM) platform (React front end, n-tier ASP.NET Core backend, Azure SQL Database) — the firm's system of record for client financial data.
  • Configure and maintain AKS/Kubernetes deployments via Helm, along with Azure Service Bus queues/topics, Blob Storage, and Key Vault secrets supporting production workloads.
  • Incorporate AI-assisted development tooling into daily engineering workflows to accelerate code review, refactoring, and delivery velocity on RSM's MDM platform.

Business Solution Consultant — RightRx (Independent Contractor, Kowodi LLC)

9/2017–5/2022

  • Redesigned a legacy Classic ASP savings-analysis tool in ASP.NET MVC, consolidating multiple report types into a single-upload Excel workbook process — cutting report turnaround from days to minutes.
  • Built a full-stack invoicing platform (React/Redux, ASP.NET Core + EF Core, SignalR for real-time status updates, SSRS-rendered PDFs) to generate client invoices from paid pharmacy claims.
  • Developed a companion C#/.NET Core invoice-processing service that automated generation, distribution, and email delivery on a 5-minute polling cycle, removing manual submission bottlenecks.
  • Automated prescriber fax intake using QR-code recognition and the InterFAX API to match responses to patient records, eliminating manual physical fax review.
  • Built a geolocation-based low-cost pharmacy locator (SQL Server spatial queries + U.S. Census data), replacing a manual spreadsheet process for sales and account teams.
  • Delivered a consolidated 8-report SSRS PBM savings package and managed SFTP-based EDI 834 data exchange (via Astera Centerprise) with clients and TPAs; trained in HIPAA compliance for handling PHI.

AVP, Business Solution — Jefferies Financial

3/2016–9/2017

  • Developed and supported OneJef, a firm-wide employee and client data portal used across all Jefferies divisions for reporting, CRM, and event management.
  • Built a reusable dynamic filtering, paging, and sorting C#/EF6 component (expression trees) paired with a TypeScript front-end table, adopted across multiple internal applications.
  • Delivered SSRS reporting, managed SQL Server stored procedures, and documented scheduled production deployments.

AVP, Business Solution — Permal Group

6/2014–3/2016

  • Modernized P360-Manager, Permal's internal portfolio management platform tracking ~$9.1B in assets across 106 accounts, migrating server-rendered views to a TypeScript-based single-page architecture.
  • Migrated the application's UI from Bootstrap 2.3.2 to 3.3.5 using Sass, and led adoption of Git (via Bonobo Git Server) as a replacement for Subversion, training the development team.

Education

Certifications

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