Qasir Mehmood

Senior Full-Stack Developer

Senior Full-Stack Developer and AI Solutions Architect with 12+ years of experience delivering scalable, high-performance web applications across SaaS, enterprise and cloud platforms.

qasirdev@gmail.com · 07932933505

Luton, England, United Kingdom

Plain-text Resume

About Me

Senior Full-Stack Developer and AI Solutions Architect with 12+ years of experience delivering scalable, high-performance web applications across SaaS, enterprise and cloud platforms. I work at the intersection of frontend engineering, backend systems and applied AI. My approach combines strong engineering fundamentals with product thinking, enabling teams to turn complex business requirements into reliable, secure and maintainable software solutions.

Frontend Engineering

Building responsive, accessible, and performant user interfaces with modern frameworks

Next.jsReactTypeScriptTailwind CSS

Backend Architecture

Designing scalable APIs and microservices with robust authentication and data management

Node.jsPythonFastAPIGraphQL

AI & Machine Learning

Implementing generative AI, RAG systems, and intelligent automation solutions

Generative AIRAGLangGraphTemporalMCPAzure AI

Cloud & DevOps

Deploying and managing cloud-native infrastructure with CI/CD best practices

AzureDockerTerraformGitHub Actions

Engineering Philosophy

Principles

✓Clean, maintainable code that scales
✓User-centric design thinking
✓Security-first approach
✓Continuous learning and adaptation

Approach

→Transform complex requirements into elegant solutions
→Bridge the gap between business needs and technical implementation
→Mentor teams and foster engineering excellence
→Deliver production-ready, enterprise-grade applications

Career Journey

12+ years of experience building enterprise-grade solutions and leading technical teams

September 2025 - Present

Senior Full-Stack Engineer & Azure AI Solutions Consultant

Freelance

Remote, UK

Delivering enterprise-grade, cloud-native web applications and AI-enabled solutions for start-ups and growing organisations as a freelance senior engineer and solutions consultant.

•Architected and delivered enterprise-grade, cloud-native web platforms using Next.js (App Router), TypeScript and Microsoft Azure with Terraform IaC

•Designed secure authentication and authorisation using OAuth 2.0 and role-based access control (RBAC)

•Built reusable Material UI design system with accessible, internationalised RTL/LTR interfaces

•Implemented AI-enabled features using Microsoft Azure AI, RAG and agent-based workflows

•Drove engineering excellence through automated testing, performance optimisation and AI-assisted development, accelerating delivery by over 40%

•Provided end-to-end technical leadership across design, development, testing, deployment and handover within Agile environments

January 2026 - Present

Azure AI Solutions Consultant

Hecate Technologies Limited

Remote

Engaged to design, architect and deliver a production-grade, cloud-native platform for a digital transformation consultancy.

•Architected bilingual enterprise platform using Next.js 15, TypeScript, FastAPI and Turborepo monorepo

•Engineered real-time features with Server-Sent Events, Azure Cosmos DB and Azure Entra External ID (CIAM)

•Delivered sentiment analysis and content moderation using Azure AI Language Services with Unicode and emoji handling

•Applied Infrastructure as Code (Terraform), GitHub Actions and containerised deployment practices

•Produced technical documentation and sprint-structured delivery plans for stakeholder governance

May 2024 - July 2025

Senior Software Engineer

IPCortex Ltd

Milton Keynes, England, United Kingdom

Led frontend development for enterprise Cloud Communications Platform as a Service (CPaaS), serving end-users, administrators and partners.

•Led frontend team in Kanban environment, improving stability and reducing product bugs by 95%

•Delivered major UI/UX redesigns across Account, User and Device Management journeys with Figma specs for CPaaS

•Built scalable, mobile-first applications using Next.js, React, TypeScript, Jest and Cypress

•Improved page load performance by 40% using Next.js, React and TypeScript

•Prototyped FastAPI RAG microservices on Azure Container Apps, reducing documentation search time by 90%

•Collaborated on Node.js microservices; performed code review and mentoring juniors

•Managed deployments with Jenkins, AWS, GitHub Actions, Docker and Terraform

May 2019 - January 2024

Senior Product Engineer (Contract)

British Gas

Windsor

Delivered large-scale frontend and full-stack features for enterprise energy platforms used by millions of customers.

•Redesigned the complete Energy Sales customer journey including tariff tables and payment flows

•Led frontend development for the OAM dashboard rebuild used by millions of customers

•Oversaw migration from legacy code to Next.js, improving maintainability and performance

•Reduced customer service misdirected queries by 30% through improved navigation and UX flows

•Conducted user testing with 10+ participants, reducing bounce rates by 30%

•Improved page load performance and conducted accessibility testing, enhancing user satisfaction

•Integrated Adobe Analytics and delivered accessible, production-ready UI in Agile teams

February 2017 - April 2019

Full Stack Developer

CityFleet Networks Ltd

London, United Kingdom

Built client-facing web applications and CMS-driven sites for a London-based transport technology company.

•Developed Contentful CMS-based applications using Angular 5+, NgRx and RxJS

•Built multiple client-facing websites from scratch using React, Redux and TypeScript

•Coordinated with backend teams on ASP.NET MVC5, Web API 2 and SQL Server integrations

Education

Master's Degree in Computer Science

Major: Software Engineering

Graduation (Mathematics & Statistics)

Earlier Roles (2013–2017)

Web Developer — Accknowledge (UK) Ltd
Jan 2015 – Jan 2017 · London, UK
Frontend Developer — Soimo
Jan 2015 – Dec 2015 · London, UK
Web Developer — Gmaxx IT Solutions
Dec 2013 – Dec 2014 · London, UK
Web Developer — Denovo Limited
Feb 2013 – Nov 2013 · London, UK

Let's Build Something Amazing

I'm always open to discussing new opportunities, challenging projects, and innovative ideas.

Skills & Expertise

Next.js, React, TypeScript, FastAPI, Azure AI, RAG, LangGraph, Temporal, MCP and cloud-native architecture — with verified years of hands-on experience

12+

years JavaScript

years React

years TypeScript

years Next.js

years Python

years Node.js

years Azure

years Terraform

Frontend

Backend

AI & ML

Cloud & DevOps

Architecture

Leadership

Certifications & Achievements

Microsoft Certified: Azure AI Engineer Associate (AI-102)Pursuing: Azure Developer Associate (AZ-204)FastAPI, RESTful APIs using Python, SQLAlchemy, OAuth, JWT (Udemy)Next.js & React Advanced Development (Udemy)Testing Next.js Apps with Jest, Testing Library and Cypress (Udemy)Cypress End-to-End Testing - Getting StartedBuild a JavaScript AI App with React and the OpenAI API

Portfolio & Projects

Verified projects from public GitHub repositories and enterprise work — multi-agent AI platforms, cloud-native applications and technical leadership

Open Source / AIProduction

AI Daily Briefing Assistant

Production multi-agent daily briefing — LangGraph pipeline with 6 specialised agents plus Orchestrator, MCP (PostgreSQL + Google Calendar), CoALA memory, OWASP GenAI security, JIT consent and 70–90% prompt caching.

Key Features

6 agents + Orchestrator (LangGraph)MCP integrations with RLSOWASP GenAI hardening+2 more

Technologies

LangGraphFastAPIPython 3.12+Next.js 16React 19MCPPostgreSQLSupabaseDockerPrometheus

View on GitHub

Open Source / AIProduction

AI Career Copilot (Job Discovery)

Enterprise-grade AI Career Copilot — 8-agent Temporal architecture: scrape → RAG rank → ATS cover letters, with pgvector semantic matching, Supabase auth and deep observability.

Key Features

8-agent Temporal workflowspgvector semantic job matchingATS-optimised cover letters+2 more

Technologies

TemporalFastAPIPython 3.12+Next.js 16React 19pgvectorSupabasePlaywrightTerraformLiteLLM

View on GitHub

Enterprise PlatformProduction

Azure AI Digital Transformation Platform

Hecate Technologies Limited

Bilingual (English/Farsi) enterprise platform for Hecate Technologies with RTL/LTR support, real-time SSE collaboration and AI-powered content moderation.

Key Features

Bilingual RTL/LTR supportServer-Sent EventsAzure AI sentiment & moderation+2 more

Technologies

Next.js 15TypeScriptFastAPIAzure AICosmos DBEntra External IDTerraform

SaaS PlatformProduction

Cloud Communications Platform (CPaaS)

IPCortex Ltd

Rebuilt and optimised large-scale frontend for IPCortex enterprise cloud communications, serving end-users, administrators and partners with distinct workflows.

Key Features

95% reduction in product bugs40% page load improvementInternal RAG microservice+2 more

Technologies

Next.jsReactTypeScriptFastAPIAzure Container AppsJestCypress

Enterprise SoftwareProduction

British Gas Energy Platform

British Gas

Large-scale frontend and full-stack features for British Gas energy platforms — Energy Sales journeys, OAM dashboard and Next.js migration for millions of customers.

Key Features

Energy Sales journey redesignOAM dashboard rebuildLegacy-to-Next.js migration+2 more

Technologies

Next.jsReactTypeScriptReduxJestCypressAdobe Analytics

Visit British Gas

Portfolio / AIProduction

Qasir Profile AI

Production personal portfolio with an AI Digital Twin — dual Chatbase + OpenRouter providers, grounded CV/GitHub knowledge, SSE streaming, per-visit quotas and OpenRouter model fallback.

Key Features

AI Digital Twin (Chatbase + OpenRouter)Grounded system prompt from CV & GitHubSSE streaming & model fallback+2 more

Technologies

Next.js 16React 19TypeScriptTailwind CSS v4ShadCN UIOpenRouterChatbaseVitestPlaywright

View on GitHub

More on GitHub

Explore all public repositories including Azure AI examples, FastAPI practice projects and earlier full-stack work.

View GitHub Profile

Get In Touch

Email is the fastest way to reach me. Use the compose form below only if you prefer drafting your message here first.

Contact Information

Preferred way to get in touch — opens your email app directly.

Email qasirdev@gmail.com

qasirdev@gmail.com

Phone

07932933505

Location

Luton, England, United Kingdom

Connect With Me

LinkedIn GitHub Website

Open to Opportunities

I'm always interested in discussing senior frontend, full-stack, AI engineering, and technical lead roles. Whether you're building the next generation of web applications or need expertise in AI integration, I'd love to hear from you.

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Technical Focus

Senior Full-Stack Developer, Next.js, React, TypeScript, FastAPI, Python 3.12+, Azure AI, Azure AI Engineer, AI-102, Generative AI, Agentic AI, RAG, LangGraph, Temporal, MCP, PostgreSQL, pgvector, Docker, Terraform, GitHub Actions, microservices, cloud-native, REST APIs, GraphQL, OAuth 2.0, JWT, WCAG accessibility.

Production experience with multi-agent AI systems (LangGraph, Temporal, MCP), enterprise cloud platforms on Microsoft Azure, and full-stack delivery using Next.js, React, TypeScript, Python 3.12+ and FastAPI.

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