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Hi, I’m Umar Aftab, a full‑stack GenAI developer who ships production‑grade AI workflows, voice agents, and internal tools for SMBs. I own frontend work with React/Next.js + Tailwind and backend work with Node.js/Python, wiring OpenAI and Claude with LangChain, and managing vector stores with pgvector and Pinecone. I prefer pragmatic tooling to go from zero to shipped in days, and I deploy to Vercel or AWS, document decisions clearly, and thrive in async collaboration. Selected projects include a multi‑tenant voice agent platform with barge‑in ASR, streaming TTS, and RAG over documents; automated recruiting and content pipelines; and AI content tools. I design scalable automation stacks (n8n, Dify) and build end‑to‑end systems that reduce manual work while keeping guardrails against hallucination.…Hi, I’m Umar Aftab, a full‑stack GenAI developer who ships production‑grade AI workflows, voice agents, and internal tools for SMBs. I own frontend work with React/Next.js + Tailwind and backend work with Node.js/Python, wiring OpenAI and Claude with LangChain, and managing vector stores with pgvector and Pinecone. I prefer pragmatic tooling to go from zero to shipped in days, and I deploy to Vercel or AWS, document decisions clearly, and thrive in async collaboration. Selected projects include a multi‑tenant voice agent platform with barge‑in ASR, streaming TTS, and RAG over documents; automated recruiting and content pipelines; and AI content tools. I design scalable automation stacks (n8n, Dify) and build end‑to‑end systems that reduce manual work while keeping guardrails against hallucination.

Umar Aftab

AI Developer, Full Stack Developer, Web Developer, +2

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Hi, I’m Umar Aftab, a full‑stack GenAI developer who ships production‑grade AI workflows, voice agents, and internal tools for SMBs. I own frontend work with React/Next.js + Tailwind and backend work with Node.js/Python, wiring OpenAI and Claude with LangChain, and managing vector stores with pgvector and Pinecone. I prefer pragmatic tooling to go from zero to shipped in days, and I deploy to Vercel or AWS, document decisions clearly, and thrive in async collaboration. Selected projects include a multi‑tenant voice agent platform with barge‑in ASR, streaming TTS, and RAG over documents; automated recruiting and content pipelines; and AI content tools. I design scalable automation stacks (n8n, Dify) and build end‑to‑end systems that reduce manual work while keeping guardrails against hallucination.…Hi, I’m Umar Aftab, a full‑stack GenAI developer who ships production‑grade AI workflows, voice agents, and internal tools for SMBs. I own frontend work with React/Next.js + Tailwind and backend work with Node.js/Python, wiring OpenAI and Claude with LangChain, and managing vector stores with pgvector and Pinecone. I prefer pragmatic tooling to go from zero to shipped in days, and I deploy to Vercel or AWS, document decisions clearly, and thrive in async collaboration. Selected projects include a multi‑tenant voice agent platform with barge‑in ASR, streaming TTS, and RAG over documents; automated recruiting and content pipelines; and AI content tools. I design scalable automation stacks (n8n, Dify) and build end‑to‑end systems that reduce manual work while keeping guardrails against hallucination.

Available to hire

Hi, I’m Umar Aftab, a full‑stack GenAI developer who ships production‑grade AI workflows, voice agents, and internal tools for SMBs. I own frontend work with React/Next.js + Tailwind and backend work with Node.js/Python, wiring OpenAI and Claude with LangChain, and managing vector stores with pgvector and Pinecone. I prefer pragmatic tooling to go from zero to shipped in days, and I deploy to Vercel or AWS, document decisions clearly, and thrive in async collaboration.

Selected projects include a multi‑tenant voice agent platform with barge‑in ASR, streaming TTS, and RAG over documents; automated recruiting and content pipelines; and AI content tools. I design scalable automation stacks (n8n, Dify) and build end‑to‑end systems that reduce manual work while keeping guardrails against hallucination.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

.NET Developer (Remote Support Role) at Freelance / Remote

June 1, 2025 - September 6, 2025

Maintained .NET Core and Vue.js apps for small business clients; light development capacity during leave. Delivered FlutterFlow-based scheduling and dashboard tools; built Python automation scripts (BeautifulSoup, FastAPI).

.NET Developer (Remote Support Role)

June 1, 2025 - September 6, 2025

Maintained .NET Core and Vue.js apps for small business clients; FlutterFlow-based scheduling and dashboard tools; Python automation scripts (BeautifulSoup, FastAPI).

.NET Developer (Remote Support Role) at Client Support (Parental Leave)

June 1, 2025 - September 6, 2025

Maintained .NET Core and Vue.js apps for small business clients; light development during leave. Delivered FlutterFlow-based scheduling and dashboard tools; built Python automation scripts (BeautifulSoup, FastAPI).

Intermediate .NET Stack Developer at Ontario Power Generation

April 1, 2024 - September 6, 2025

Worked with developers on full-stack tools using Vue.js and .NET 6 in a public sector cloud-native environment. Created CI/CD pipelines via Azure DevOps. Worked cross-functionally with analysts and business leaders; delivered secure OAuth-based solutions aligned with internal compliance. Ensured compliance with AODA and WCAG 2.1 standards for accessible digital service delivery.

Intermediate .NET Stack Developer at Ontario Power Generation

April 1, 2024 - September 6, 2025

Collaborated on full-stack tools using Vue.js and .NET 6 in a cloud-native public sector environment; created CI/CD pipelines via Azure DevOps; ensured accessibility and compliance (AODA, WCAG 2.1).

Intermediate .NET Stack Developer at Ontario Power Generation (Remote – Calgary)

April 1, 2024 - September 6, 2025

Worked with developers on full-stack tools using Vue.js and .NET 6 in a public sector cloud-native environment. Created CI/CD pipelines via Azure DevOps. Collaborated with analysts and business leaders; delivered secure OAuth-based solutions aligned with internal compliance. Ensured compliance with AODA and WCAG 2.1 standards for accessible digital service delivery.

Full Stack Developer at Law Depot

November 1, 2023 - September 6, 2025

Delivered notarization and document authentication features using .NET 5 and Vue.js. Improved UI state handling with Vuex and enhanced performance across modules. Created CI/CD pipelines via Azure DevOps.

Full Stack Developer at Law Depot

November 1, 2023 - September 6, 2025

Delivered notarization and document authentication features using .NET 5 and Vue.js; improved UI state with Vuex and performance; created CI/CD pipelines via Azure DevOps.

Full Stack Developer at Law Depot

November 1, 2023 - September 6, 2025

Full Stack Developer at Ceridian

June 1, 2023 - September 6, 2025

Worked on enterprise HR software built on a service-oriented architecture (SOA) using ASP.NET MVC 5, React, and SQL Server 2019. Contributed to a highly modular microservices ecosystem, managing persistence through NHibernate and complex stored procedures. Functioned as ScrumMaster and coached the team on agile rituals, burn-down tracking, and sprint reviews. Led proof-of-concept development for new product features in C# and React. Maintained full-stack applications using React and TypeScript within a microservices framework. Authored end-to-end documentation including requirement specifications, deployment instructions, and user workflows. Managed source control, branching strategy, and CI/CD pipeline deployment using Azure DevOps. Ensured all HR modules were developed in alignment with AODA and WCAG 2.1 accessibility standards.

Full Stack Developer at Ceridian

June 1, 2023 - September 6, 2025

Enterprise HR software in a service-oriented architecture (SOA) using ASP.NET MVC 5, React, and SQL Server 2019; contributed to modular microservices, NHibernate, and stored procedures; ScrumMaster; led POC development; maintained React/TypeScript apps; documented deployments and user workflows; ensured AODA/WCAG 2.1 accessibility; CI/CD with Azure DevOps.

Full Stack Developer at Ceridian

June 1, 2023 - September 6, 2025

Worked on enterprise HR software built on a service-oriented architecture (SOA) using ASP.NET MVC 5, React, and SQL Server 2019. Contributed to a highly modular microservices ecosystem, managing persistence through NHibernate and complex stored procedures. Served as ScrumMaster and coached the team on agile rituals, burn-down tracking, and sprint reviews. Led proof-of-concept development for new product features in C# and React. Maintained full-stack applications using React and TypeScript within a microservices framework. Authored end-to-end documentation including requirement specifications, deployment instructions, and user workflows. Managed source control, branching strategy, and CI/CD pipeline deployment using Azure DevOps. Ensured all HR modules were developed in alignment with AODA and WCAG 2.1 accessibility standards.

Software Developer at Ceridian

January 1, 2023 - September 6, 2025

Developed new features and modules for a large-scale HR management SaaS (Dayforce) using ASP.NET MVC 5, C#, and React. Optimized database queries and client-side code which improved page load times and system efficiency. Collaborated in an Agile Scrum team to deliver updates on a regular release cycle, enhancing user experience for thousands of end-users.

Freelance Full Stack Developer at 9alam Developments Inc.

January 1, 2023 - Present

IronAI: Delivered a SaaS web application with a Next.js front-end and microservices on .NET Core back-end. Integrated secure OAuth2 authentication (Azure AD) for enterprise-grade access and orchestrated automated testing and delivery via Azure DevOps pipelines, reducing deployment time by ~50% and improving release reliability.

Freelance Full Stack Developer at 9alam Developments Inc.

January 1, 2023 - Present

Gritliy: Developed a full-stack web platform using Next.js (React/TypeScript) and a C# .NET 6 REST API. Implemented OAuth2-based single sign-on and deployed on Vercel, enabling rapid continuous deployments and a smooth user onboarding experience which improved user sign-up conversion rates.

Full Stack Developer at Attabotics (Microsoft Partnership)

March 1, 2022 - September 6, 2025

Developed software for a robotics platform using .NET 5 within a microservice architecture hosted on Microsoft Azure. Engineered multithreaded processing using the Parallel library and asynchronous APIs to stream real-time robotic data to Azure services. Built reusable internal C# libraries and API endpoints to support robotic task workflows; authored unit and functional tests to ensure system integrity. Created .NET Razor Page dashboards for Microsoft review and stakeholder demos, enabling continued collaboration and funding from Microsoft. Developed and containerized Linux-based printer integration using Docker, saving significant licensing and infrastructure costs. Designed and implemented complex packaging algorithms based on volume, mass, and cost constraints; adapted and encapsulated the Cromulent Bisgetti algorithm. Documented multiple services, including SignalR-based modules, packaging logic, and deployment procedures. Led peer code reviews and managed CI/CD pipelines via Azur

Full Stack Developer at Attabotics (Microsoft Partnership)

March 1, 2022 - September 6, 2025

Developed software for a robotics platform using .NET 5 in a microservice architecture on Azure; multithreaded processing with Parallel and async APIs to stream data; built internal libraries and API endpoints; unit/functional tests; Razor Page dashboards for Microsoft reviews; Docker-based Linux printer integration; packaging algorithms and service documentation; led code reviews; CI/CD via Azure DevOps.

Full Stack Developer at Attabotics (Microsoft Partnership)

March 1, 2022 - September 6, 2025

Developed software for a robotics platform using .NET 5 within a microservice architecture hosted on Microsoft Azure. Engineered multithreaded processing using the Parallel library and asynchronous APIs to stream real-time robotic data to Azure services. Built reusable internal C# libraries and API endpoints to support robotic task workflows; authored unit and functional tests to ensure system integrity. Created .NET Razor Page dashboards for Microsoft review and stakeholder demos, enabling continued collaboration and funding from Microsoft. Developed and containerized Linux-based printer integration using Docker, saving licensing and infrastructure costs. Designed and implemented complex packaging algorithms based on volume, mass, and cost constraints; adapted and encapsulated the Cromulent Bisgetti algorithm. Documented multiple services, including SignalR-based modules, packaging logic, and deployment procedures. Led peer code reviews and managed CI/CD pipelines via Azure DevOps for

Net Developer & Automation at Calnetic

July 1, 2021 - September 6, 2025

Designed and developed full-stack applications using ASP.NET Core 3.1, Vue.js, and SyncFusion UI components. Built client-facing Blazor pages and dashboards for electricity market monitoring and reporting. Authored and optimized Python automation scripts deployed on AWS, leveraging services such as DynamoDB, EC2, and CloudWatch. Engineered automated data extraction pipelines that retrieved electricity node pricing and availability from public APIs. Ensured reliable delivery of daily server-side updates to clients using AWS-hosted Python services for real-time market intelligence.

.NET Developer & Automation at Calnetic

July 1, 2021 - September 6, 2025

ASP.NET Core 3.1, Vue.js; Blazor dashboards; Python automation on AWS (DynamoDB, EC2, CloudWatch); automated data extraction pipelines for electricity pricing; reliable daily server updates via AWS-based Python services.

NET Developer & Automation at Calnetic

July 1, 2021 - September 6, 2025

ASP.NET Developer Analyst at Alberta Health Services

November 1, 2020 - September 6, 2025

Designed and maintained internal enterprise web applications using ASP.NET MVC 5 and C# on the .NET 4.6 platform. Built forecasting models using Python and SSIS to analyze historical expense sheets and predict product demand and cost-saving opportunities. Developed and maintained web services in a service-oriented architecture (SOA), supporting over 1,000 internal users. Created complex stored procedures and SQL Server jobs for ETL processes and automated data pipelines across Oracle, SQL Server, MySQL, and PostgreSQL. Integrated data from SharePoint, Excel, and CSVs, and transformed it for business intelligence reporting using Tableau. Mentored junior developers in using C#, Python, SSIS, and data visualization tools. Embedded Python-based machine learning logic into SQL Server for predictive procurement planning. Authored technical documentation, data flow diagrams, and solution deployment plans. Ensured strict adherence to FOIP and Government of Alberta IT standards and data securit

ASP.NET Developer Analyst at Alberta Health Services

November 1, 2020 - September 6, 2025

Designed and maintained internal enterprise web apps (ASP.NET MVC 5, C#, .NET 4.6); built forecasting models (Python, SSIS); SOA web services; ETL across Oracle, SQL Server, MySQL, PostgreSQL; integrated data from SharePoint, Excel, CSVs for Tableau BI; mentored junior developers; ensured FOIP policies and Azure DevOps usage.

ASP.NET Developer Analyst at Alberta Health Services

November 1, 2020 - September 6, 2025

Designed and maintained internal enterprise web applications using ASP.NET MVC 5 and C# on the .NET 4.6 platform. Built forecasting models using Python and SSIS to analyze historical expense sheets and predict product demand and cost-saving opportunities. Developed and maintained web services in a service-oriented architecture (SOA), supporting over 1,000 internal users. Created complex stored procedures and SQL Server jobs for ETL processes and automated data pipelines across Oracle, SQL Server, MySQL, and PostgreSQL. Integrated data from SharePoint, Excel, and CSVs, and transformed it for business intelligence reporting using Tableau. Mentored junior developers in using C#, Python, SSIS, and data visualization tools. Ensured strict adherence to FOIP and Government of Alberta IT standards and data security policies. Used Azure DevOps for version control, pipeline automation, and collaborative delivery.

Full Stack Software Developer at Urban Lighthouse

September 1, 2019 - September 6, 2025

Designed and built enterprise web applications using ASP.NET MVC 5, C#, and .NET 4.5 with a database-first architecture and Repository Pattern. Maintained and enhanced legacy systems built with ASP.NET Web Forms and SQL Server 2008. Developed complex stored procedures to support business logic and reporting features. Built responsive and dynamic UIs using KnockoutJS, jQuery, AJAX, and JSON for real-time client interactions. Applied theming and front-end customization using Bootstrap, LESS, CSS3, and HTML5. Participated in CI/CD pipeline integration and version control via Azure DevOps for consistent team collaboration and deployment. Incorporated WCAG-compliant front-end accessibility practices using Bootstrap and KnockoutJS.

Full Stack Software Developer at Urban Lighthouse

September 1, 2019 - September 6, 2025

Designed and built enterprise web applications using ASP.NET MVC 5, C#, .NET 4.5 with database-first architecture; modernized legacy systems; built stored procedures; dynamic UIs with KnockoutJS, jQuery; implemented WCAG accessibility; contributed to CI/CD via Azure DevOps.

Full Stack Software Developer at Urban Lighthouse

September 1, 2019 - September 6, 2025