★ TOP RATED PLUS · 100% JOB SUCCESSDUBAIUAE

Eleven years of shipping software. Twelve industries and counting.

I'm Syed Mahsam Abbas, a full-stack and AI integration engineer. I've built production systems for maritime intelligence, financial compliance, broadcast media, school operations, medical devices, and automotive CRM, from serverless social networks to Electron desktop apps to multi-agent AI platforms. Different domains, same result: software that works in production and keeps working.

🚀
OPEN TO WORK
Available for New Projects
Let's build something great together
$500K+
Earned on Upwork
25,000+
Hours logged
35
Contracts · 5.0 rating
12
Industries served
Selected Work

Twelve production case studies

Every project below shipped and is (or was) used in production by real teams. Filter by the kind of work you're hiring for.

Fleet Intelligence Platform

600+ vessels · 25 countries

Marketing site and real-time operations dashboard for a maritime sensing network. Live fleet map with clustering, AI detection feeds, alert rules, and historical playback, built on a Clean Architecture NestJS backend with a WebSocket gateway tuned for telemetry fan-out. The site launched ahead of the company's $43M raise and scored 95+ on Lighthouse.

Next.js 14 · NestJS · Prisma · PostgreSQL · Mapbox GL · WebSockets · AWS ECS
quartermaster.us →

Regulatory Intelligence

400K+ obligations · 98 countries

Regulatory intelligence platform ingesting content from 1,000+ sources worldwide. Built per-source scrapers with incremental ingestion and content fingerprinting, evolved the Django/PostgreSQL regulatory data model, and shipped the search, obligation register, and change-management surfaces compliance teams use daily.

Python · Django · PostgreSQL · scraping pipeline · full-text search · GRC integrations
ascentregtech.com →

Multi-Agent AI Platform

3 autonomous agents · 4 models

Sole developer and designer on an AI-native platform that lets non-technical founders validate, build, and run a business. Architected three autonomous agents for customer engagement, business intelligence, and operations, on a tiered multi-model strategy that routes each task to the cheapest capable model.

Claude Opus · GPT-4.1 · GPT-4o Mini · Gemini 2.5 Flash · multi-agent architecture · REST APIs

AI-Native Messaging Platform

3 production repos · 16 months

Sole developer and designer on an AI-native A2P messaging platform. Owned Portal v2, API v2, and the typed JavaScript SDK, plus three autonomous agents that screen 10DLC compliance, optimize message routing in real time, and audit platform health, all built on deep Anthropic SDK integration.

React 19 · Vite · Express 5 · Anthropic SDK · Claude Opus + Sonnet · JWT SDK

Dealership CRM + AI

20+ dealerships · 10K+ leads

Sole developer and designer on an enterprise dealership CRM with 229+ data models. Integrated GPT-4o for streaming lead summaries, conversation analysis, and next-step suggestions, cutting per-lead review from 10 minutes to under 30 seconds. Unified Twilio, SendGrid, and Nylas into one real-time communication hub.

Angular 10 · CakePHP 3 · MySQL · GPT-4o · Socket.io · Twilio · AWS ECS · Docker

AI Quarterback Coach

500+ analyses in month one

Sole developer and designer on an AI quarterback development platform that turns phone-recorded throws into biomechanics insights. Built web and mobile apps, integrated a pose-tracking pipeline with OpenCV, MediaPipe, and PyTorch, and shipped a drill recommendation engine on vector search. Launched in 5 months.

Next.js 14 · React Native/Expo · Node.js · MongoDB · PyTorch · OpenAI embeddings · AWS S3

Serverless Social Platform

Web + iOS + Android · 1 backend

Serverless social platform for the equestrian world: profiles, verified directory, horse marketplace, and real-time chat. Built Lambda services with SST infrastructure as code, split data between MongoDB and DynamoDB by access pattern, and wired Sendbird chat plus a WebSocket presence layer serving three clients.

React · TypeScript · AWS Lambda · SST · MongoDB · DynamoDB · Sendbird · Cognito
femmecheval.com →

Broadcast Workflow Suite

9,000+ broadcasters

Full-stack work on the multi-product platform running production, promotions, trade, and endorsement workflows for major broadcast groups like Cumulus, Cox Media, and Univision. Built NestJS domain modules with org-scoped RBAC enforced at the data layer, and Angular feature modules with complex operational data grids.

NestJS · TypeORM · PostgreSQL · Angular · PrimeNG · RxJS · multi-tenant RBAC
vcreativeinc.com →

Five-in-One SaaS Suite

100K+ members per tenant

Full-stack engineering on a five-in-one SaaS suite for chambers of commerce, associations, and community organizations. Modernized admin surfaces in Vue and TypeScript over a decade-old Laminas backend, built recurring billing and collection automation, and tuned PostgreSQL for tenants with tens of thousands of members.

Vue.js · TypeScript · PHP · Laminas · PostgreSQL · AWS · CloudFront · multi-tenant
accrisoft.com →

School Operations Ecosystem

50%+ of Utah charter schools

Front-end engineering across seven products of a school operations ecosystem: websites, lottery and enrollment, communications, attendance, payments, signups, and carpool. Built a shared Tailwind component foundation with per-school theming so hundreds of school brands render from the same codebase.

Next.js · React · TypeScript · Tailwind · headless CMS · Google Maps API
frogtummy.com →

Operations Consolidation

44-week enterprise build

Full-stack engineer on a platform consolidating HRM, quality management, warehouse audits, incident resolution, and work orders for Amentum (NYSE: AMTM). Designed the GraphQL schema as the single API surface, enforced RBAC at the resolver layer, and built the audit, incident, and work-order modules end to end.

React · TypeScript · Tailwind · Apollo · Node.js · GraphQL · MySQL · RBAC + audit trails

Scan-to-Print Desktop App

Half the time of plaster casting

Cross-platform Electron desktop app powering an in-clinic scan-to-print workflow for custom orthotics and splints. Built the THREE.js 3D viewport with landmarking and trim-line editing, and a three-process architecture where an Express service orchestrates Python mesh-processing workers with streaming progress. Fully offline-first.

Electron · React · THREE.js · Express · Python geometry pipeline · bundled runtime
xoarmortech.com →
Client Reviews

What clients say on Upwork

Verified reviews from real contracts. Every rating below is a 5.0.

One client has kept me on the same contract since November 2017. Nearly 18,000 hours and $347K on a single engagement building their CakePHP, Angular, and Node platform on AWS. That is what long-term trust looks like in numbers.

17,900+Hours · one client · since 2017
★★★★★
Thoughtful input ensured the best result. An excellent choice for a developer, especially worked well to bring an end to end prototype to completion with little extra help. A fully functional full stack with excellent attention to quality.
PHP, Laravel, Postgres, Payment Gateway APIs and Cloud Tools
$10,320 · 344 hours · 2023
Committed to QualityDetail Oriented
★★★★★
Mahsam was an asset to the team and helped us complete a big project that will deliver value to all of our customers. He communicates well and is keen to learn.
Full-time Full-Stack Developer, large-scale apps
$18,012 · 697 hours · 2021
Clear CommunicatorCollaborative
★★★★★
Great working with Syed and looking forward to keep working together.
Laravel Development Position, long term
$82,840 · 3,879 hours · 2021 to 2023
Collaborative
★★★★★
Delivered a complete streaming video dashboard over an eight-month engagement, rated 5.0 on completion.
Web Developer, Streaming Video Dashboard
$39,550 · 1,130 hours · 2024 to 2025
5.0 Rating
Capabilities

What I bring to a project

01

Full-stack, any stack

React, Vue, and Angular on the front. Node, NestJS, PHP, Python, and .NET on the back. REST, GraphQL, and serverless. I pick the architecture the problem needs, not the one I feel like using.

TypeScript · NestJS · Django · Laravel · GraphQL · Next.js · Nuxt · Electron · React Native
02

AI integration & agents

I've shipped multi-agent systems, RAG pipelines, streaming LLM features, and computer-vision workflows into real products. Tiered multi-model strategies keep costs sane while the intelligence goes where it matters.

Anthropic SDK · OpenAI · Gemini · autonomous agents · embeddings + vector search · OpenCV · PyTorch
03

Production-grade delivery

Multi-tenant data isolation, RBAC enforced at the API layer, audit trails, background jobs, and infrastructure as code. The unglamorous parts that decide whether software survives its second year.

AWS · Docker · SST/IaC · CI/CD · PostgreSQL · MySQL · MongoDB · DynamoDB · WebSockets
About

Why clients keep me around

Most engineers specialize in a stack. I specialized in shipping. Over 11+ years that has meant learning whatever the project demanded: Django scrapers for a compliance platform, THREE.js mesh editing for a medical device, GraphQL for defense operations, and agent architectures for AI-native products.

On several of these projects I was the sole developer and designer, taking products from Figma prototypes all the way to cloud deployment. On others I worked inside large existing codebases, where the job is making changes without breaking a decade of production behavior. Both modes matter, and I'm comfortable in both.

I've earned $500K+ across 35 contracts and 25,000+ hours on Upwork with a 100% job success score and Top Rated Plus status, which Upwork reserves for the top 3% of performers on large contracts. Long engagements are the pattern: clients bring me in for one build and keep me for the next three.

Upwork statusTop Rated Plus
Job success100%
Client rating5.0 / 5.0 (31 reviews)
Total earned$500K+
Hours logged25,000+
Contracts35 completed
Based inDubai, UAE

Let's build something that lasts

Available for full-stack builds, AI integration work, and long-term engineering partnerships. The fastest way to reach me is Upwork.