Available for Consulting

Umais Siddiqui

Senior Software Engineer & AI/ML Consultant — crafting enterprise .NET, Python & agentic AI solutions

📱 917-754-6930 ✉️ umais20@yahoo.com 🔗 LinkedIn 📍 Richmond, TX 🇺🇸 U.S. Citizen
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Summary

Senior Software Engineer with 15+ years of experience delivering high-impact enterprise .NET, Python and AI Agentic solutions for government and healthcare systems. Proven track record of migrating legacy systems to modern architectures with measurable improvements in performance, reliability, and deployment speed. Deep expertise in building scalable microservices, optimizing data pipelines, and leading teams to ship mission-critical applications serving thousands of users.

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Core Skills

Languages

C#T-SQL PythonNodeJS

Frameworks

.NET.NET Core 5+ ASP.NET MVC/CoreWeb API Blazor

Front-End

AngularReact JavaScriptHTML5 CSS3

APIs & Data

REST APIsEntity Framework SQL ServerElasticsearch RedisLangGraph / LangChain

AI APIs

Claude Opus 4.6Kimi K2.5 VertexAIGPT-4 / Gemini

AI Tools

Claude CodeGitHub Copilot Gemini Code AssistCursor Windsurf

DevOps & Cloud

Azure DevOpsGitHub Actions CI/CDDocker Microsoft Azure
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Experience

Heartbeat AI Inc.
Consultant
Sep 2025 — Present
  • Resolved 25 critical production incidents in 4 months with <1 hour turnaround, maintaining 99.9% uptime for 50 healthcare workers managing 100 cases daily.
  • Refactored legacy data access layer, reducing query times from 2 min → 800 ms and eliminating 500 monthly timeout errors.
  • Mentored junior developers in .NET best practices, reducing defect rate by 80%.
  • Deployed AI-integrated applications using Claude API, React, Angular, .NET Core, Azure & Python — reducing manual processing time by 40% and increasing data throughput by 25%.
  • Engineered multi-agent clinical support systems using LangGraph, OpenAI Agent SDK & Anthropic Opus 4.6, slashing provider review time by 65% and saving $120k/year.
Harris County Universal Services
Consultant .NET Developer
Jul 2023 — Aug 2025
  • Built LENS data ingestion platform processing 50,000+ records daily with <500 ms search times, replacing 15+ minute lookups.
  • Migrated 20 county apps from .NET Framework to .NET 8 with zero downtime for 10k–18k daily users.
  • Implemented Azure Service Bus + Docker, scaling from 8,000 to 18,000 concurrent users.
  • Built 20 CI/CD pipelines, reducing release time from 2 days to 10 minutes.
  • Migrated 18 on-prem apps to Azure, cutting infrastructure costs by 80% and improving availability to 99%.
Burnett Specialists
Senior Software Engineer (Consultant)
Mar 2022 — Jul 2023
  • Decomposed monolithic ESCWorks into 15 microservices, reducing deployment from 5 days to 2 hours.
  • Built 15 high-performance REST APIs in .NET 6 with 500 ms avg response time.
  • Implemented React front-end solutions and designed database architecture.
  • Applied SOLID principles and design patterns across the engineering team.
Alvarez & Marsal, New York
.NET Developer III
Apr 2019 — Mar 2022
  • Implemented OAuth 2.0 for 3 enterprise apps, enabling SSO and eliminating password-related incidents.
  • Migrated SOAP → REST, reducing partner integration from 4 weeks → 3 days.
  • Automated 15 workflows with Selenium, cutting regression testing from 5 days to 2 hours.
AlignCare, New York
Manager, Software Engineering
Feb 2015 — Mar 2019
  • Built Azure analytics portal tracking 1M patient outcomes for 10 healthcare providers, replacing 40 hours of manual Excel work.
  • Implemented Redis caching, reducing API response from 10s → 800 ms and supporting 10× more concurrent users.
  • Led team of 10, improving sprint velocity by 100% while mentoring 4 junior engineers to mid-level.
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Education

CUNY SPS

M.S. in Data Science
Jan 2023 — Present

Queens College, CUNY

B.S. in Computer Science
Jan 2013 — Jan 2017