SaaS Platforms
Multi-tenant product systems
Subscription products with tenancy boundaries, billing, RBAC, and cloud architecture designed for growth—not rewrites six months later.
- Tenant isolation
- Billing & entitlements
- Production hardening
Available for business owners worldwide
Muhammad Faizan
Software engineer & developer — SaaS, CRM, AI, and DevOps for businesses worldwide.
Founders and operators hire me when they need a senior engineer who owns the outcome—not a vague agency thread. Remote delivery across US, Europe, Middle East, Asia, and beyond.
SaaS & CRMAI in productionDevOps & cloudWorldwide remote
01.Capabilities
What business owners hire me to build—and ship.
Whether you run a startup or an established company, you get senior ownership: clear scope, strong architecture, DevOps-ready delivery, and software your customers can use. React.js, Next.js, NestJS, Node.js, Python, cloud—and stacks chosen for your market, not fashion.
CRM & Revenue Systems
Operational software for GTM teams
Pipelines, automation, and reporting modeled to how your org actually sells—built as durable systems, not disposable spreadsheets.
- Workflow automation
- Audit-ready data
- Role-aware access
Enterprise Applications
Internal platforms & control planes
Admin portals, APIs, and mission-critical tooling with clear contracts, performance budgets, and deployment paths ops teams trust.
- API-first design
- Reliability under load
- Ops-friendly releases
Applied AI
LLM features in real products
Assistants, document intelligence, and automation wired into your stack with guardrails, evals, and data handling that hold up in production.
- Grounded outputs
- Secure data paths
- Measurable ROI
Web & Mobile Products
Full-stack product surfaces
High-signal interfaces in React.js and Next.js, plus React Native when you need mobile—with shared domain logic, accessibility, and performance as first-class constraints.
- Cross-platform delivery
- UX polish
- Long-term maintainability
Architecture & Scale
Systems that survive growth
Services, queues, data models, and observability so latency, cost, and correctness stay predictable as traffic and teams expand.
- Service boundaries
- Async workloads
- Performance budgets
DevOps & Cloud
Ship reliably, operate calmly
CI/CD, infrastructure as code, containerized deployments, monitoring, and release paths so your product stays online as you grow—without ops becoming a bottleneck.
- CI/CD pipelines
- Cloud & containers
- Monitoring & rollbacks
02.Operating standard
How serious product teams ship—without the org chart overhead.
The point isn’t ceremony. It’s a bar: systems that are correct, operable, and ready for real users.
Production bar
Code, reviews, and releases held to the same expectations you’d find on high-performing product teams: clarity, tests where they matter, and no silent failures.
Secure defaults
Auth, authorization, secrets, and data boundaries designed in from day one—not bolted on after a scare.
Observable systems
Logs, metrics, and failure modes you can reason about. If it ships, you should be able to see how it’s behaving.
Durable interfaces
APIs, schemas, and contracts that stay stable as features accumulate—so growth doesn’t mean chaos.
Engagement path
01
Discover
Goals, constraints, risk, and success metrics—so we build the right system, not the loudest idea.
02
Architect
Data models, service boundaries, UX flows, and infrastructure decisions with an eye on the next order of scale.
03
Build
Iterative delivery with clickable progress. SaaS modules, CRM workflows, AI features, or full platforms.
04
Operate
Hardening, DevOps pipelines, monitoring, performance, and a handoff—or ongoing partnership—that doesn’t leave you stranded.
03.Selected work
Systems in production—measured by users, not slide decks.
AI products, mobile platforms, SaaS tooling, and education systems—shipped with clear architecture and operable outcomes.
01AI · Trust Infrastructure · Ongoing
Harmos.AI
Core engineering on the Harmos AI ecosystem—trust layer, platform systems, and ongoing product architecture beyond the public site.
- Active product & platform engineering
- Verification, provenance, alignment systems
- Work still in progress
AI SystemsReact.jsNext.jsTypeScript
02AI · Mobile · Ongoing
Harmos AI App
Mobile product for chat, generate, reason, and collaborate—tiers, auth, and Harmos Reasoning research flows.
- AI create & chat with voice input
- Harmos Reasoning deep research
- Auth + Free / Pro / Max tiers
React NativeAI ChatReasoningSubscriptions
03EdTech · Platform
Izesan
E-learning platform preserving indigenous languages with interactive content for schools and enterprises.
- 14 languages supported
- 40,000+ educational resources
- Games, animations & stories
MERN StackReact.jsReact NativeNode.js
04SaaS · Speed Testing
Test My Internet
USA-focused speed test—download, upload, ping, and jitter with global servers and a fast consumer UX.
- Real-time connection metrics
- Multi-server routing
- High-traffic SaaS surface
Next.jsReact.jsAnalyticsSEO
05Coaching · Personal Brand
Heal with Aniqa
Personal coaching site for identity and subconscious transformation—story, offerings, and program conversion.
- Hero-led brand experience
- 8-week program pathways
- Lead capture CTAs
Next.jsReact.jsTailwind CSS
06Author · Coaching Platform
Matien Aslam
Physician, coach, and author site with book commerce, consultancy requests, and free sample reading flows.
- Multi-book PDF ordering
- Consultancy & PDF forms
- Clean content architecture
Next.jsReact.jsVercelForms
04.
Profile
I'm Muhammad Faizan—an independent engineer who operates like a principal IC: own the problem, design the system, ship the product, and leave it operable.
Founders and operators hire me when they need SaaS platforms, custom CRMs, enterprise internal tools, or production AI without agency bloat—or junior guesswork.
Across 5+ years of full-stack delivery—microservices, admin platforms, mobile clients, and high-volume data paths—I optimize for software that still makes sense after the launch week adrenaline fades.
Core toolkit
React.js
Next.js
React Native
NestJS / Node
Python · DevOps
System design
05.Credentials
Supervised Machine Learning: Regression and Classification
DeepLearning.AI
Issued Apr 2026
Credential ID: NMV79QIPGCOW
Skills: Machine Learning, Supervised Learning, +6 skills
Show credentialSoftware Architecture
University of Alberta
Issued Apr 2026
Credential ID: B4JYR8MXW1N9
Skills: Software Architecture, Software Design Patterns, +7 skills
Completed Software Architecture, an online course authorized by the University of Alberta and offered through Coursera. Coursework covered software architecture fundamentals, including architectural analysis, quality attributes, and modeling approaches used to design and evaluate systems.
Show credentialMathematical Foundations and Quantum Mechanics Essentials
Packt
Issued Apr 2026
Credential ID: S15O0J4N5XP9
Show credentialAgentic AI and AI Agents: A Primer for Leaders
Vanderbilt University
Issued Apr 2026
Credential ID: 1CJADHCZB52I
Show credentialFoundations of Cybersecurity
Issued Apr 2026
Credential ID: 7DCVH4QUEXW1
Show credentialFoundations: Data, Data, Everywhere
Issued Apr 2026
Credential ID: 5DG6BT4MMG6H
Skills: Analytics, Data Analysis, +7 skills
Show credentialCertified Data Scientist
IBM
Issued Jan 2024
Credential ID: 1f65db81bc52c0dc529ce09972a9818c
Skills: Data Analysis
Show credential06.FAQ
For business owners ready to hire and ship.
Where can I hire a software engineer or software developer?+
Right here on faizan.codes. Message Muhammad Faizan to hire a software engineer or software developer for SaaS, CRM, AI, DevOps, full-stack, and custom software — remote worldwide.
I'm a business owner—can you build software for my company?+
Yes. I work with founders, operators, and growing companies worldwide who need SaaS products, CRMs, AI features, mobile apps, internal platforms, or DevOps/cloud delivery—with senior ownership from brief to production.
Can I hire you as a React.js or Next.js developer?+
Yes. React.js and Next.js are core to most products I ship—dashboards, marketing sites that need to rank, and SaaS apps. I also use NestJS, Node.js, Python, and React Native when the product needs them.
Do you work as a freelance or remote software engineer?+
Yes. Engagements are remote-first and worldwide. You work directly with me—no account-manager layer. Async by default, with scheduled sessions for architecture and reviews.
How fast can I get a reply after messaging you?+
Most inquiries receive a clear next-step reply within one business day. Use the form on this page or email info@faizan.codes anytime.
Do you work with clients outside my country?+
Yes—remote-first delivery worldwide across US, Europe, Middle East, Asia, Africa, and beyond. Async-friendly with scheduled deep-work sessions for architecture and reviews.
What kinds of products do you build?+
Multi-tenant SaaS, custom CRMs, enterprise internal tools, production AI integrations, and full-stack web or React Native products—from MVP through hardening.
How do engagements typically start?+
You send a short brief. I reply with fit, approach, and timeline options. No long commitment until scope is clear.
Which technologies do you use?+
Primarily React.js, Next.js, NestJS, Node.js, Python, React Native, MongoDB and relational databases, plus DevOps and cloud deployments—CI/CD, containers, and monitoring—chosen for your product requirements.
07.Journal
Notes that help people find—and hire—a software engineer.
Practical writing on hiring, SaaS, React.js, and custom software. Each article is a real page Google can index—not a tag soup.
How large companies evaluate a freelance software engineer
What procurement, CTOs, and product leads check before engaging an independent senior engineer—and how to pass that bar.
Read article →Enterprise SaaS checklist before your first big-company deal
Tenancy, audit trails, roles, and support surfaces enterprise buyers expect before they sign.
Read article →Production AI for business: what procurement actually asks
Data handling, cost, and failure modes—how companies evaluate AI features beyond the demo.
Read article →How to hire a full stack developer for an enterprise roadmap
A briefing and interview guide for leaders hiring full stack ownership—not a pile of specialists.
Read article →DevOps for business-critical products: CI/CD that survives audits
Deployments, logs, and rollback companies should demand—without Kubernetes theater on day one.
Read article →What a senior software engineer delivers in the first 90 days
A concrete 90-day delivery map: milestones, artifacts, and how to measure progress.
Read article →Remote engineering for US and EU companies: how I work
Timezone overlap, async updates, and rituals that make remote engineering usable for serious teams.
Read article →Building secure multi-tenant software for client data
Practical tenancy, secrets, and access patterns so client data stays isolated.
Read article →In-house vs freelance software engineer: total cost of ownership
Salary, ramp, and coordination cost versus a senior independent—when each option wins.
Read article →08.Engage
Tell me what your business needs. I'll reply with a clear next step.
Business owners and operators worldwide use this form to start a conversation—SaaS, CRM, AI, mobile, or internal platforms. You get a scoped reply, not a generic pitch. Prefer email? Write anytime.
- Typically a reply within one business day
- Remote collaboration across every major timezone
- Senior ownership from brief to production
- Clear scope before any long commitment
Prefer email? info@faizan.codes
09.Find me by search
Software engineer & software developer for hire — worldwide.
Looking for help building or scaling a product? These pages explain how I work as a remote software engineer and developer for business owners—SaaS, CRM, AI, DevOps, and custom software. Pick a topic, then message from the contact form.
Journal
Notes on hiring engineers, SaaS architecture, and React.js
New articles for founders and operators—practical writing that also helps people find faizan.codes.
Open blog →Software Engineer for Hire — Worldwide
Hire a software engineer at faizan.codes. Muhammad Faizan ships SaaS, CRM, AI, and DevOps for business owners worldwide. Message today.
Open page →Software Developer for Hire — Worldwide
Need a software developer? Muhammad Faizan at faizan.codes builds SaaS, CRMs, AI products, and enterprise apps. Remote worldwide.
Open page →Hire a Software Engineer Online
Hire a software engineer online at faizan.codes. Senior ownership for SaaS, CRM, AI, and enterprise software—worldwide remote.
Open page →Full Stack Developer for Hire
Hire a full stack developer at faizan.codes. React.js, Next.js, APIs, databases, and DevOps for business software—remote worldwide.
Open page →SaaS Developer for Hire
Hire a SaaS developer at faizan.codes. Multi-tenant products, billing, RBAC, and cloud-ready architecture for business owners worldwide.
Open page →DevOps Engineer for Hire
Hire a DevOps engineer at faizan.codes. CI/CD, containers, cloud, monitoring, and reliable releases—paired with product engineering.
Open page →AI Software Developer for Hire
Hire an AI software developer at faizan.codes. Assistants, automation, and document intelligence inside real business products.
Open page →Custom Software Development for Businesses
Custom software development for business owners worldwide. CRMs, internal tools, SaaS, AI, and enterprise software—built remotely.
Open page →React.js Developer for Hire
Hire a React.js developer at faizan.codes. Muhammad Faizan builds production interfaces, dashboards, and SaaS UIs—plus the API and DevOps when you need them.
Open page →Next.js Developer for Hire
Hire a Next.js developer at faizan.codes. Marketing pages that rank, SaaS apps, and API routes in one TypeScript codebase—remote worldwide.
Open page →Freelance Software Engineer for Hire
Hire a freelance software engineer at faizan.codes. Direct senior ownership for SaaS, CRM, React.js, and DevOps—no agency layer.
Open page →Remote Software Engineer for Hire — Worldwide
Hire a remote software engineer worldwide at faizan.codes. Async-friendly SaaS, CRM, AI, and DevOps delivery across US, EU, Middle East, and Asia.
Open page →faizan.codes
Building what’s next
SaaS · CRM · AI · Enterprise software
Initializing systems…
0%
Ship products that scale.