Carl S.

FreelancerTop Rated Plus

Ruby on Rails Engineer

Member since 2019 · 100% Job Success

View on Upwork

WorldTop 0.07%

United StatesTop 0.25%

Ruby on RailsTop 0.28%

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$13k

MRR

est. monthly

#685

World rank

of 1,046,099

$529k

Lifetime earnings

since 2019

Total jobs

completed

About

As an Upwork-recognized Top Talent with a 100% client satisfaction rating, I pride myself on delivering top-quality web application development services. With 20 years of experience under my belt, I can efficiently engineer projects of all types, ensuring you receive exceptional value and a faster time to market.

My approach involves diving deep into the core of each project, understanding your unique goals and requirements. This way, I can deliver tailor-made solutions that exceed your expectations.

Skills & Expertise:
• Ruby / Ruby on Rails
• SQL (MS SQL, PostgreSQL, MySQL)
• API Integrations (SOAP, REST, GraphQL)
• Custom API Development
• RSpec
• HTML5
• CSS3 & SASS
• JavaScript
• Linux Web Servers
• IIS
• Git
• Agile Project Management
• Process Improvement
• Release Management
• Documentation

Let's Elevate Your Project Together!

I'm eager to help you bring your vision to life. Contact me today for a free, no-obligation phone consultation. Together, we can take your project to new heights!

Rankings

Where Carl S. ranks by monthly revenue, worldwide, in United States, and in every Upwork skill it competes in.

World#685 / 1,046,099Top 0.07%

United States#344 / 136,399Top 0.25%

Ruby on Rails#5 / 1,759Top 0.28%

JavaScript#101 / 39,643Top 0.25%

RESTful API#12 / 6,761Top 0.18%

CSS 3#10 / 7,686Top 0.13%

SQL#35 / 19,309Top 0.18%

Your keyword search rankComing soon

Per-keyword search rank for freelancers is synced from GigRadar Inbound, connect your profile to track exactly where you rank for every term clients search.

Freelancer snapshot

On Upwork since2019

Rating100% Job Success

Skills tracked5

Skills

Ruby on RailsJavaScriptRESTful APICSS 3

Carl S. works mainly in Ruby on Rails, ranking top 0.28% of freelancers in that skill.

MRR trendSoon

Last 12 weeks

Coming soon

Competitors on the board

Who ranks just above and below by MRR across all freelancers.

This freelancer is #685 of 1,046,099 across all freelancers.

RankFreelancerMRRMRR trend

683

Maksym N.

Software Engineer, Platform/Integrity

$13k

Soon

View

684

Igor N.

AI Agent Dev | Chatbot, RAG, LLM, GenAI, Machine Learning | Full Stack

$13k

Soon

View

685

Carl S.

Ruby on Rails Engineer

$13k

Soon

View

686

Anne C.

CFO / Controller / Financial Analysis / Data Migration

$13k

Soon

View

687

Lara Y.

Executive Assistant | Chief of Staff | HR & Operations | Admin

$13k

Soon

View

MRR benchmark

Carl S. earns more than 99.93% of all freelancers we track.

Top 0.07%

among all freelancers we track

$0–$500

32%

$500–$1k

12%

$1k–$2.5k

17%

$2.5k–$5k

13%

$5k–$10k

12%

$10k–$25k

10%

$25k–$50k

$50k+

Carl S.'s bracket · $13k

You32%

$0–$500

You12%

$500–$1k

You17%

$1k–$2.5k

You13%

$2.5k–$5k

You12%

$5k–$10k

You10%

$10k–$25k

You3%

$25k–$50k

You1%

$50k+

Carl S. earns an estimated $13k/mo. That's 8.9× the typical freelancer and more than 99.93% of everyone we track.

Freelancers with no recent MRR are excluded. Only the 151,011 freelancers with active monthly revenue are ranked here.

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MRR is an estimate from Upwork's public figures - not an Upwork-official number.