Senior Architect & Polyglot Engineer specializing in high-scale multi-tenant SaaS architecture (creator of OmniSchool), deep root-cause debugging, AI agentic toolchains, and legacy platform modernization. 22+ years delivering enterprise software across US, German, and Australian markets.
Elixir Tech (15 Yrs):
elixir.com
Designed, architected, and built end-to-end from scratch as a single engineer with advanced AI developer workflows. Currently active in live production with multiple educational institutions and madrasas onboarded.
Automated B2B lead discovery & contact scraping (Puppeteer + Google Places API), intelligent pre-screening qualification, sales rep territory claiming, and field visit logs.
Embedded server-side AI advisory for institutional pricing and CRM conversion, combined with Gemini 2.5 Flash multimodal vision OCR for digitizing physical teacher diaries.
Temporal date-effective fee matrix (fee_schedules) for schools with live clerk impact previews, alongside SuperAdmin SaaS institutional subscription billing and automated vouchers.
Multi-channel parent/staff engagement notifications, real-time user activity monitoring, and non-blocking V61 audit logging with intraday JSONL streaming for zero-RPO data recovery.
Integrating cutting-edge AI developer toolchains (Google Antigravity, Claude 3.5/3.7, Gemini 2.0 Flash, GPT-4o) directly into software architecture, rapid root-cause debugging, multi-tenant databases, and instant CI/CD deployment pipelines.
High Engineering Cadence: Continuous repository commits spanning multi-tenant SaaS architectures, AI LLM integrations, microservices, and database migrations.
High-RAM Ubuntu 24.04 VPS, Docker, PM2, Wildcard SSL, Nginx.
Multi-tenant backend hosting, Nginx proxying, secure asset storage.
Serverless AI tasks, Xero OAuth callbacks, async worker jobs.
Decoupled async message queues & email background streams.
Global CDN & HTTPS edge distribution routing.
Windows Server & Java/C# app automated deployments.
Mastered across two decades of high-concurrency enterprise development, cloud native deployments, and complex systems refactoring.
A transparent, anonymized log of recent day-to-day engineering activity — technical problem-solving, microservice optimizations, and production releases from the last few months.
concession_amount discount subtraction and decoupled class tuition rates into a temporal fee_schedules engine supporting dynamic on-the-fly monthly calculations.hifz_scans) with 1-click database synchronization, raw JSON storage, and slide-over recitation drawer UI.sync-remote-db.ps1 PowerShell automation script for rapid remote database hydration.V75 Flyway migration to recycle registration numbers from soft-deleted records, eliminating ER_DUP_ENTRY key collisions and adding double-submission locking.V61) across 29 tables with SuperAdmin cross-tenant search and formatted JSON diffs.app_dialogs.ejs), monkey-patching browser alerts across 30+ views.SalesService.java where freight GST was miscalculated against discounted items.FreightGstCalculationTest.java) asserting zero formula regressions.utility-deck).JatoToPLConverter) utilizing OpenAI API for fuzzy matching and data normalization.Every case study reflects genuine production architecture, real business impacts, and complete technical ownership.
3-Year Partnership
3-year lead full-stack engineering partnership with Körber Digital (Germany) on Obsoletely, an enterprise logistics & inventory platform. Contributed across all three components — frontend, backend, and infra — as part of the core engineering team.
Flagship Accomplishment
Flagship multi-tenant educational SaaS platform handling end-to-end institutional operations across multiple live schools. Features AsyncLocalStorage tenant scoping, temporal date-effective fee schedules, Gemini AI handwritten diary OCR, headless PDF compilation, automated B2B lead scraping, and client reconciliation audit suites.
Flagship Enterprise
Tech Lead of core team (4–5 engineers) building Tango Designer Studio within a 50+ developer enterprise platform serving Anthem, BCBS, and Deloitte. Built multi-threaded SyncManager and NDF Converter engines.
Cloud SaaS
Architected large-scale enterprise ecosystem evolving from UIS Desktop Importers to UIS REST API and Partslocator SaaS. Features AWS EC2, Elastic Beanstalk, Lambda, RDS MySQL, SQS, S3/CloudFront, and bi-directional Xero integration.
Arabic RTL SaaS
Complete architectural overhaul to v2.0 Enterprise standard hosted on Contabo VPS. Features 5-role RBAC, automatic honorific-skipping username synthesis, and Chart.js analytics.
AI Automation
Mobile-first lead monitoring & proposal generation system. Integrates Gmail API, Google Gemini 2.0 Flash consultative brain, React Vite UI, and cloud APK auto-teleport CI/CD.
High Performance
Decoupled enterprise SaaS from slow 3rd-party API by designing a normalized 7-table MySQL mirror schema and bulk `JdbcTemplate` sync engine. Reduced UI latency from seconds to milliseconds.
AI Systems
Modernized backend to LangChain Expression Language (LCEL). Synchronized AI domain IQ with production Java models (`SalesService.java`) and implemented GPT-4o hybrid cost-saving strategy.
Desktop Engineering
Built C# WPF desktop tools including `JatoToPLConverter` with OpenAI fuzzy normalization and `caplink` reverse-engineering legacy SOAP/XML formats for financial networks.
Open Source
Self-initiated Python toolkit consolidating recurring file-processing tasks into a single pip-installable package: Gemini-powered audio transcription, Playwright HTML/Markdown-to-PDF, and PDF/image conversion utilities.
Evolving from early document composition systems into modern high-scale cloud platforms, AI automation engines, and fractional technical leadership.
Architected and deployed OmniSchool from a blank repository into an enterprise multi-tenant educational SaaS deployed on Contabo VPS. Engineered temporal date-effective fee engines (fee_schedules), AI-powered handwritten Hifz diary OCR via Gemini 2.5 Flash, headless Chromium PDF dossier compilation, automated B2B lead generation pipelines, and client data reconciliation audit engines. Also shipped KUI v2.0 (kui.nukrim.com) and an Autonomous Upwork AI Agent.
Lead Architect on UIS Cloud — a full multi-tenant SaaS built from scratch for the automotive/spare parts industry. Evolved from UIS Desktop Importers → UIS REST API → Partslocator website. AWS stack: EC2, Elastic Beanstalk, Lambda, RDS MySQL, SQS, S3. Also built WPF Desktop tools including JatoToPLConverter with OpenAI fuzzy-matching and caplink SOAP/XML reverse-engineering.
3-year lead engineering partnership with a German enterprise client. Built and maintained OBS/Obsolete.ly — a complex logistics and inventory platform integrated with global enterprise systems. Tech stack: Kotlin (Ktor), Vue.js, Azure (Blob Storage, AI Form Recognizer, OIDC), Docker.
Led Scrum ceremonies across multiple squads as Scrum Master and Scrum of Scrums (SoS) Lead inside the 50+ developer Tango enterprise org. Continued deep technical ownership across Tango Designer production releases, NDF format pipelines, and cross-team integration deliveries for clients including Anthem, BCBS, Deloitte, and Prudential.
Promoted to Tech Lead of core team (4–5 engineers) building Tango Designer Studio inside a 50+ developer CCM enterprise platform. Architect of the SyncManager engine and NDF Converter. Led sprint planning, Scrum ceremonies, and technical ownership of the Tango component suite.
Joined Elixir Technologies as a Software Engineer, contributing to core Tango platform components. Worked hands-on across Java, C++, and Tango Designer subsystems for enterprise CCM clients including Anthem, BCBS, Deloitte, and Prudential.
Direct, unedited feedback from Upwork enterprise clients and LinkedIn colleagues spanning 15+ years of collaboration.
"Working with Khurram for the last 18 months has been an amazing experience. He was always available to understand the challenges and propose creative solutions. He's autonomous and has the ability to adjust to iterative requirements in an agile context. He was also a good support to other team members. He's totally trustworthy and highly recommend."
"We began using Muhaimin Technologies (Pvt) Limited around three years ago — initially to support and fix some old, latency-prone software, and then to upgrade to new technologies. Muhaimin have been diligent and efficient in handling those issues and a number of other maintenance and development tasks since. I'm happy to recommend Muhaimin Technologies."
"Khurram takes the time to fully understand the task and provides a well written final code with constructive comments and recommendations. He's the most professional, dedicated one that I ever worked with."
"I've been working with Khurram for the last 18 months and he demonstrated an amazing team spirit while building one of our B2B software products. He's very knowledgeable in frontend and backend especially in Java Spring Boot and Vue.js. I highly recommend working with him in long term collaborations."
"Khurram is a team lead developer of one of the most important components of Elixir's Tango framework, that of the web-based document designer, which is in my opinion one of the most advanced web apps ever constructed. Khurram is creative, intelligent, rapid and thorough as a developer and a very nice guy to work with and to know."
"Khurram Shahzad has been my mentor since the beginning of my career in Elixir. He has strong technical and communication skills. He is very proficient in application design and architecture. During his tenure he has contributed and skillfully completed many projects. I highly recommend him for his technical and professional skills."
"Khurram is a fantastically gifted developer. Working hand-and-hand with him we hope to develop a web component that will change the paradigm in our industry. His willingness to think outside the box is an intangible we all should have. Khurram would receive my recommendation for any role in an organization that requires creativeness and attention to detail."
Whether you need to solve an "impossible" legacy bug, build a high-performance multi-tenant SaaS from scratch, or optimize cloud infrastructure (AWS / Contabo VPS), I bring 22+ years of empirical execution to your team.