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Jazib B.
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Jazib B.

Senior Full Stack Engineer | React, Next.js & JavaScript

Over the years, I've worked on SaaS platforms, operational dashboards, scheduling systems, customer data platforms, billing workflows, and healthcare applications. My work spans frontend and backend development, from building user-facing features to implementing APIs, integrating external services, and fixing issues in existing systems. HERE'S WHERE I CAN HELP Frontend Development • React, Next.js, TypeScript, and JavaScript • Responsive interfaces and complex dashboard applications • State management, reusable components, and frontend architecture • Angular and existing frontend applications Backend and Full-Stack Development • Node.js, Express, and NestJS • REST APIs and GraphQL integrations • PostgreSQL, MongoDB, and application data workflows • Connecting frontend features with backend services SaaS Development and Integrations • Subscription and billing workflows • Third-party API integrations • Authentication and role-based access • Scheduling, reporting, and operational workflows • Maintaining and extending existing products Improving Existing Applications • Debugging difficult issues • Refactoring and simplifying legacy code • Upgrading dependencies and improving maintainability • Understanding unfamiliar codebases and implementing features without disrupting existing functionality I've also worked with clients and engineering teams to clarify requirements, make technical decisions, and break down larger features into manageable pieces. I focus on building solutions that fit the existing product, handle real-world scenarios, and remain maintainable. If you need help extending an application, building a feature, integrating an API, or solving a challenging technical problem, send me a message with some context about your project. We can discuss the requirements and figure out the best way forward.

🇵🇰Lahore, Pakistan$35/hr100% JSS4.00 (1)Since Dec 2014

Earnings and projects

MRR
$3.3k

Last 6 months ÷ 6

World#11,300 / 412k
🇵🇰Country#1,203 / 52.9k
Revenue, last 30 days
$3.2k

Last 6 months: $20k

World#11,677 / 412k
🇵🇰Country#1,296 / 52.9k
Total earnings
$67k

Billed in all: $70k

World#59,126 / 412k
🇵🇰Country#4,886 / 52.9k
Per project
$33k

$20k in the last 6 months

World#2,305 / 412k
🇵🇰Country#88 / 52.9k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇵🇰Country#22,564 / 52.9k
Projects in all
2
50% fixed50% hourly
World#328,886 / 412k
🇵🇰Country#48,197 / 52.9k

Earnings, last 30 days

$70.4k+$3.2k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$66k$68k$70k$72kOct 8Oct 23Nov 7

Skill rankings: Top 3% in ExpressJS

Ranked by MRR among everyone on Upwork with the skill.

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  5. #167ExpressJS5,651 freelancers · 🇵🇰 #34Top 3%
  6. #240Git5,766 freelancers · 🇵🇰 #19Top 4%
  7. #327Angular6,816 freelancers · 🇵🇰 #36Top 5%
  8. #359Front-End Development8,892 freelancers · 🇵🇰 #61Top 4%