OZ
Open to work · freelance & contract opportunities

Freelance Full-Stack Engineer · Business Systems Consultant · Karachi, PK

OwaisZakirbuilds systemsthat work.

I help businesses turn messy manual work into polished CRM websites, internal tools and reliable digital systems that are easier to run and ready to grow.

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React / Next.jsNode / ExpressPostgreSQL / MongoDB
Owais Zakir, Full Stack Software Engineer

Available now

Open to work

Freelance & contract

Opportunities welcome

Build with intent

Profile / 00

2+

Years shipping practical software

I work with businesses of every size—from growing teams that need their first CRM to established companies ready to replace scattered spreadsheets with one dependable system.

Current focus

  • 01 Product engineering
  • 02 Real-time systems
  • 03 Business automation
  • 04 Accounts & CRM systems
01

Freelance services

Software
that helps.

Need more than a brochure website? I design and build practical CRM websites, business systems and custom tools around the way your team actually works.

01

CRM websites

Customer portals, lead pipelines and dashboards that keep every relationship visible.

  • Lead management+
  • Customer portals+
  • Admin dashboards+
02

Business systems

Custom ERP, POS and internal tools that replace scattered spreadsheets and manual work.

  • ERP & POS+
  • Inventory workflows+
  • Role-based access+
03

Web experiences

Fast, responsive websites for businesses that need a credible digital presence and more inquiries.

  • Landing pages+
  • Company websites+
  • SEO foundations+
04

Ongoing support

A reliable technical partner for improvements, integrations, fixes and the next stage of growth.

  • API integrations+
  • Feature delivery+
  • Maintenance+

Have a workflow that is still being managed manually? Let's turn it into a clear, dependable system.

Discuss your project
02

Selected work

Built for
the real world.

Real systems for real businesses—not empty showcase concepts. Explore the work, then ask for a tailored case study built around your problem.

Case study index

A closer look at the systems, products and workflows I build.

01

Hospitals

Healthcare operations

A systems-led direction for bringing people, records and operational workflows into one calmer digital experience.

Case study
02

Institutes

Education platform

Admissions, students, courses, attendance, fees and reporting brought into a clearer institutional lifecycle.

Live project
03

ERP

Business operations

Products, inventory, orders, finance and administration connected in one operational system.

Live project
04

E-commerce

Commerce systems

Product and order workflows shaped around storefront operations, platform sync and dependable customer journeys.

Selected focus
05

Auto Hedging

Trading automation

An automation-focused hedging workflow designed to make recurring operational decisions more consistent and less manual.

Selected focus

Selected case / 01

Case file · Business operations

Business operations

SuffahTech ERP

A multi-module ERP connecting products, inventory, orders, finance and administration in one operational system.

Challenge

Disconnected HR, accounting, inventory and reporting workflows.

MERNRBACInventoryFinance

Contribution

Full-stack architecture, operational modules and role-based workflows.

Outcome

Centralized operations and reduced manual work across departments.

View project
03

Experience

Engineering
in motion.

Two roles, one consistent focus: making software more useful, maintainable and connected.

JAN 2025 — 01 JUL 2026

Full Stack Software Engineer

Nubit Software · Karachi (Former)

Built React and Next.js product experiences, backend services, authentication systems and third-party integrations for business applications.

  • ↳Automated a recurring workflow with WhatsApp Cloud API
  • ↳Built a C++ service for real-time PSX market data over WebSocket
JUN 2023 — DEC 2024

Full Stack Engineer

Suffah Tech · Karachi

Developed ERP modules, reusable APIs and responsive dashboards across POS, inventory, CRM and client-facing products.

  • ↳Integrated Shopify API and OAuth for product and order sync
  • ↳Delivered authentication, admin and business operation workflows
04

Capabilities

Across the
whole stack.

From account management and CRM workflows to interface details and backend architecture, I work across the product to keep every layer connected.

01

Frontend

  • React+
  • Next.js+
  • TypeScript+
  • Tailwind CSS+
  • Redux Toolkit+
02

Backend

  • Node.js+
  • Express.js+
  • REST APIs+
  • GraphQL+
  • WebSocket+
03

Data & systems

  • PostgreSQL+
  • MongoDB+
  • Oracle+
  • JWT / OAuth+
  • RBAC+
  • Accounting workflows+
04

Accounts & CRM

  • User accounts+
  • Accounting systems+
  • CRM workflows+
  • Roles & permissions+
  • Shopify API+
  • WhatsApp Cloud API+

Recognition

First place.
Web designing hackathon.

Awarded by Suffah Institute of Technology, alongside a progression from frontend development into full-stack engineering.

Training

Full Stack Development Program

Suffah Institute of Technology

freeCodeCamp

Responsive Web Design

Cisco Networking Academy

Introduction to Cybersecurity

Simplilearn

Introduction to MERN Stack

05

Testimonials

Built on
trust.

Anonymous feedback will be added here as clients share their experience working together.

01

Communication

Anonymous client feedback about clear communication, ownership and delivery.

Awaiting anonymous feedback
02

Systems thinking

Anonymous feedback about turning complex workflows into practical software.

Awaiting anonymous feedback
03

Long-term value

Anonymous feedback about reliable foundations and thoughtful ongoing support.

Awaiting anonymous feedback

Open to work / Freelance & contract opportunities

Let's build
it right.

WhatsAppStart a conversationCall me+92 313 8778125LocationKarachi, Pakistan
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