y
yiannisdel

John

@yiannisdel
5.0(3)

Senior Ruby on Rails developer for SaaS apps, APIs and AI features

Greece
English, Greek
About me
I am John, a senior Ruby on Rails engineer with 16 years of Rails experience and 20 years building software products. I help SaaS and product teams fix production bugs, build focused features, integrate APIs, improve performance, and add practical AI search features. My background includes marketplaces, payments, booking systems, healthcare, real estate platforms, PostgreSQL, Redis, Sidekiq, Stripe, React, React Native, AWS, and production Rails APIs. I work best with existing Rails apps where clear debugging, careful implementation, and practical delivery matter.... Read more

Skills

y
yiannisdel
John
Offline • 
Average response time: 5 hours

See my services

Bug Fixes
I will fix bugs and build features in your ruby on rails app
5.0(3)
From$30 / projectMore details
Full Stack Web Applications
I will fix hotwire turbo and stimulus issues in your rails app
From$40 / projectMore details

Portfolio

3 Reviews
5.0

(3)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
1-3 out of 3 Reviews
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Most relevant
    N

    norcalsurprise

    Repeat Client

    US

    United States

    5

    knows his stuff, communicated well, did the job with no drama.

    gig

    Bug Fixes

    Worksample image
    Helpful?
    Yes
    No
    R

    rinims

    ID

    Indonesia

    5

    Thank you for the on-time delivery. The seller is a highly responsive developer who's very knowledgeable in Ruby on Rails!

    gig

    Bug Fixes

    Helpful?
    Yes
    No
    M
    image-docs

    manevski

    GB

    United Kingdom

    5

    John is absolutely amazing. Work was delivered accurately and on time, everything was on point. You can’t go wrong choosing him

    gig

    Bug Fixes

    Helpful?
    Yes
    No