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Kevin K.
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Kevin K.

Full stack developer with React | Node | Express | Firebase | Angular

I am a Mathematics and Computer Science major passionate about systems and their inner workings. As a developer, I have experience building backend APIs (Node + Express) backed by SQL or NoSQL databases, and consuming them with React or Angular client-side web applications. Even though I have used both functional and object-oriented programming, I gravitate more towards the latter (OOP) due to its capacity to promote scalability. I also used Test-Driven-Development (TDD) in most of my projects with Jest, Enzyme, Mocha, and Chai for unit and integration testing and Cypress for End-to-end tests. In addition to understanding the entire software development life cycle, I am also exposed to agile methodologies that enforce continuous delivery and allow distributed / remote collaboration. I am conversant with version control with my preferred system being git. Since I am self-driven, I flourish when working alone or in teams. My academic background made me appreciate and develop an interest in reading algorithms and using data structures to model real-life problems and develop solutions for them.

🇰🇪Nairobi, Kenya$40/hr100% JSS5.00 (7)Since Mar 2018

Earnings and projects

MRR
$5.5k

Last 6 months ÷ 6

World#4,580 / 412k
🇰🇪Country#13 / 3,243
Revenue, last 30 days
$5.4k

Last 6 months: $33k

World#5,006 / 412k
🇰🇪Country#15 / 3,243
Total earnings
$244k

Billed in all: $255k

World#11,135 / 412k
🇰🇪Country#33 / 3,243
Per project
$31k

$33k in the last 6 months

World#2,782 / 412k
🇰🇪Country#8 / 3,243
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇰🇪Country#813 / 3,243
Projects in all
8

Across 10 contracts

30% fixed70% hourly
World#223,560 / 412k
🇰🇪Country#1,964 / 3,243

Earnings, last 30 days

$255k+$5.4k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$245k$250k$255kOct 8Oct 23Nov 7

Skill rankings: Top 1% in ExpressJS

Ranked by MRR among everyone on Upwork with the skill.

  1. #9webpack250 freelancers · 🇰🇪 #1Top 4%
  2. #17Sass1,305 freelancers · 🇰🇪 #1Top 1%
  3. #58ExpressJS5,651 freelancers · 🇰🇪 #1Top 1%
  4. #59Redux3,245 freelancers · 🇰🇪 #2Top 2%
  5. #107CSS 39,914 freelancers · 🇰🇪 #1Top 1%
  6. #116Firebase6,978 freelancers · 🇰🇪 #2Top 2%
  7. #343PostgreSQL12,850 freelancers · 🇰🇪 #1Top 3%
  8. #400TypeScript15,967 freelancers · 🇰🇪 #2Top 3%