AI Systems Engineering
Production AI systems: multi-LLM routing, AI agents, reviewer layers that verify output, and observability.
// hello, I'm
Muhammad Faheem Arshad
AI Solution Architect & Engineering Manager
AI systems engineer and AI solution provider. I design and ship AI agents, agentic automation and scalable Node.js platforms — from multi-LLM pipelines and autonomous reviewer agents to high-traffic web apps serving millions of users.
Now
Refocus AI
Building AI browser-automation & multi-LLM systems
Lahore, Pakistan
--:--
Local time · PKT (UTC+5)
10+
Years building software
10k+
Concurrent users scaled
claude — ~/project
My workflow
30%
Server load cut with queue architecture
- Node.js
- NestJS
- TypeScript
- React
- Next.js
- Angular
- GraphQL
- Express.js
- WebSockets
- Tailwind
- Microservices
- Claude Code
- Agent Skills
- Spec-Driven Dev
- Claude
- Gemini
- Playwright
- Puppeteer
- AWS
- Azure
- Docker
- RabbitMQ
- PostgreSQL
- MongoDB
- Redis
- Elasticsearch
- Datadog
01 — About
Engineering leader who still ships code
Results-driven AI Solution Architect and Engineering Manager with 10+ years of experience designing and delivering scalable Node.js and JavaScript applications across backend and frontend. Deep expertise in NestJS, Express.js, TypeScript, React, Next.js, Angular and REST/GraphQL API development.
I've built high-performance B2B AI-powered SaaS platforms, microservices architectures and enterprise web applications — working across AWS and Azure, SQL/NoSQL databases, RabbitMQ/SQS queues, Elasticsearch and CI/CD pipelines.
As a leader I mentor teams, drive code-quality standards and align technical strategy with business goals.
- Also known as
- Fahim Arshad · Faheem
- Current role
- AI Solution Architect & Engineering Manager, Refocus AI
- Focus
- AI systems engineering, agentic automation, engineering leadership
- Education
- BS Computer Science (Hons), BZU
- Location
- Lahore, Pakistan
- [email protected]
02 — What I do
AI solutions, built end to end
Agentic Automation
AI agents that run business workflows end to end — document extraction, validation, browser automation and human-in-the-loop review.
AI Solution Architecture
Scalable, cost-efficient architectures: microservices, queue-based processing, AWS/Azure and LLM integration.
Engineering Leadership
Leading and mentoring engineering teams, setting code-quality standards and aligning technical roadmaps with business goals.
03 — Experience
A decade of building and leading
-
AI Solution Architect & Engineering Manager
Refocus AI · Remote
Mar 2025 — Present
- Lead an AI engineering team delivering browser automation for the US insurance market — navigating carrier portals and extracting structured data at scale with Node.js, Playwright and Puppeteer.
- Architected a multi-LLM pipeline that routes tasks across Claude, Gemini and other models by cost, latency and accuracy — cutting inference cost while keeping output quality.
- Built reviewer-agent layers that validate and score AI outputs, flagging low-confidence results for human review.
- Designed data-enrichment workflows with paid third-party APIs (address validation, carrier lookups, demographics).
- Own the system architecture: microservices, RabbitMQ/SQS task distribution, browser-farm orchestration and multi-agent coordination.
- Built Datadog dashboards for pipeline health, API error rates and throughput SLAs, enabling proactive incident response.
-
Managing Consultant / Tech Lead
Systems Ltd · Lahore
Jul 2023 — Mar 2025
- Led full-stack development of a high-traffic news platform (millions of monthly users) on Node.js, NestJS, Next.js and MySQL — scaled horizontally to 10k+ concurrent users.
- Built multiple CRM products with Angular and RESTful Node.js APIs on two-week Agile sprints.
- Directed a cross-functional team of 8+: standups, sprint planning and technical roadmaps.
- Produced API documentation and system-design specs that sped up onboarding and reduced knowledge silos.
-
Principal Software Engineer
Confiz Ltd · Lahore
Jan 2021 — Jul 2023
- Spearheaded backend development with Node.js, Express.js and NestJS following Domain-Driven Design.
- Built reusable React and Angular component libraries shared across five product lines.
- Introduced RabbitMQ queue-based processing, reducing server load by 30%.
- Ran code reviews enforcing SOLID and security best practices; led TypeScript and Node.js performance sessions.
-
Senior Software Engineer
Strategic Systems International · Lahore
Feb 2020 — Jan 2021
- Developed Node.js/Express.js services on SQL Server and MySQL.
- Implemented Scrum rituals that improved on-time delivery by 25%.
- Mentored junior developers and worked directly with international clients on API contracts and releases.
-
Software Engineer
Dubizzle Labs (Zameen.com) · Lahore
Oct 2016 — Jan 2020
- Built AngularJS features and Node.js endpoints for one of Pakistan's largest real-estate portals.
- Optimized MySQL schemas and queries, improving page-load performance by 20%.
- Modernized the legacy codebase, progressively migrating AngularJS views to Angular.
-
Software Engineer
Stellar Technologies · Lahore
Jan 2016 — Oct 2016
- Built JavaScript web features, maintained legacy applications and documented solutions for faster onboarding.
04 — Skills
Core competencies
AI & LLM Engineering
Backend
Frontend
Architecture & System Design
Cloud & DevOps
AI-Native Development
Databases & Search
Leadership & Process
05 — Education
Education & certification
2012 — 2016
BS Computer Science (Honors)
Bahauddin Zakariya University · Multan
Object-oriented programming, data structures, algorithms, databases and networking, with hands-on full-stack projects.
2024
Leadership Development Course
LUMS · Lahore
06 — Recommendations
What people say
Faheem worked on a couple of projects for challenging clients in my portfolio. He earned their respect through his very good technical skills and professional behaviour. He doesn't shy away from taking on new challenges and is a go-getter.
Hard-working engineer, always committed to his work. Up to the challenge no matter the task or deadline, and ever ready to put in extra effort for the team's success. Faheem would be an asset to any team. He earns my highest recommendation.
07 — FAQ
Frequently asked questions
Who is Faheem (Fahim) Arshad?
Muhammad Faheem Arshad — also written Fahim Arshad — is an AI Systems Engineer, AI Solution Architect and Engineering Manager based in Lahore, Pakistan, with 10+ years of experience. He currently works as AI Solution Architect & Engineering Manager at Refocus AI.
What AI solutions does Faheem build?
AI agents and agentic automation for business workflows, multi-LLM pipelines that route work across models such as Claude and Gemini, reviewer agents that verify AI output before it is used, browser automation, and the scalable Node.js and TypeScript platforms behind them.
What is his engineering leadership experience?
Faheem leads AI engineering teams, has directed cross-functional teams of 8+ engineers, and owns architecture, code-quality standards, mentoring and delivery on agile teams.
Which technologies does he specialize in?
Node.js, NestJS, TypeScript, React, Next.js, Angular, AWS, Azure, RabbitMQ/SQS, PostgreSQL, MongoDB and Redis — plus AI-native development with Claude Code, Agent Skills and spec-driven development.
How can I work with Faheem?
Email [email protected] or connect on LinkedIn to discuss AI solutions, agentic automation or engineering leadership.
08 — Contact
Let's build something together
Have a project, a role or an idea to talk through? I'm happy to hear from you.