Freelance bug fix developer

Work with a freelance developer to fix bugs and resolve technical issues fast

Your website or app is experiencing bugs and errors that hurt user experience? On ComeUp, freelance developers diagnose and fix technical issues quickly and reliably. Expert support to get your digital product back on track.

Services Freelancers

352 results

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  • Vincenzo
    Vincenzo

    Sales 1

    Status PRO

  • Laurent
    Laurent

    Sales 39

    Status PRO

  • Léo-Robin
    Léo-Robin

    Développeur Fullstack et Mobile

    Sales 0

    Status PRO

    HTML

    CSS

    Php

    asp.net

    Node.js

    Docker

    WordPress

    JavaScript

    SQL

    MySQL

  • Teddy
    Teddy

    "Agence Web Digital" et "IT" Nessmedia

    Sales 0

    Status PRO

    WordPress

    WordPress theme

    Shopify

    Prestashop

    WooCommerce

    Sales funnels

    Cloud computing

  • Tagnon
    Tagnon

    L’avenir de vos projets commence ici : faites décoller votre business 🚀

    Performance Top

    Sales 100

    WordPress

    WordPress theme

    Wordpress plugin

    Adobe Photoshop

    Shopify

    WooCommerce

    Web security

  • Amine
    Amine

    MultixLab

    Performance Top

    Sales 20

    Prospecting

    Python

    Email marketing

    Adobe Photoshop

    Web scraping

  • Tanguy
    Tanguy

    Développeur web

    Performance Top

    Sales 67

    WordPress

    Organic seo

    WooCommerce

    Digital marketing

    Shopify

    HTML

  • Candace
    Candace

    Performance Top

    Sales 116

    WordPress

    Web scraping

    CSS

    Php

    React

    Python

  • Komi Fantchewou
    Komi Fantchewou

    Développeur Full-stack Django & React | Expert Python, Automatisation LLM et Architecture Docker

    Performance Top

    Sales 20

    Python

    React

    Node.js

    CSS

    JavaScript

    Docker

  • Delf Zyboth Apendhi
    Delf Zyboth Apendhi

    Designer graphique professionnel

    Sales 0

    Logo redesign

    Logo Creation

    Business Cards

    Adobe Photoshop

    JavaScript

    C#

    Graphic Design

  • Hermann
    Hermann

    Développeur Full Stack

    Sales 0

    Php

    Node.js

    Flutter

    Ajax

    MySQL

    Database

    React

    JavaScript

    React native

    Python

  • fenitriniaina
    fenitriniaina

    Feni R

    Sales 0

    HTML

    CSS

    Jquery

    JavaScript

    Ajax

    Php

  • Arsalan Jamal
    Arsalan Jamal

    Conception graphique | Développement web | Analyse de données

    Sales 29

    Graphic Design

    Python

    Chatbot

    Logo Creation

    Logo Vectorization

  • Charbel
    Charbel

    Expert Développement web - SEO - Marketing digital

    Sales 62

    WordPress

    Wordpress plugin

    WordPress theme

    Shopify

    Adobe Photoshop

    WooCommerce

    Sales funnels

  • Gickel
    Gickel

    ⭐⭐⭐⭐⭐ Développeur Python · API · FastAPI & Django · Pipelines ETL · Data Engineering · Scraping

    Sales 62

    Python

    SQL

    Web scraping

    Schema markup implementation

  • Jean Baptiste Vital
    Jean Baptiste Vital

    Expert IA, Applications, Réseaux Sociaux & Développement Web | Top Vendeur sur ComeUp

    Sales 57

    Adobe Illustrator

    Adobe Photoshop

    Adobe InDesign

    Chatbot

    Api integration

    Continuous integration

    Video editing

    Shopify

    Zapier

    WordPress

  • Gilles Harry Akakpo Egbegnon
    Gilles Harry Akakpo Egbegnon

    Développeur Fullstack & Expert WordPress | Création de Sites Web, Plugins & Solutions E-commerce

    Sales 14

    WordPress

    Php

    JavaScript

  • SLIMANE
    SLIMANE

    Je crée votre application Web & Mobile de A à Z | Livraison rapide • Code propre

    Sales 52

    Python

    JavaScript

    React

    HTML

    CSS

    SQL

    MySQL

  • William
    William

    Sales 124

    Api

  • Salim Bounceur
    Salim Bounceur

    Web Designer expérimenté, Spécialiste Divi & wordpress ( +10 ans )

    Sales 617

    WordPress theme

    WordPress

    Adobe Photoshop

    Photo Retouching

    Web design

    Graphic Design

    Php

    MySQL

    HTML

    CSS

  • Michael Galy
    Michael Galy

    Performance Excellent

    Sales 451

    Web security

  • Mohamed
    Mohamed

    Développeur web expert: Shopify, Wordpress & Prestashop

    Performance Excellent

    Sales 342

    Automated workflow

    Automated content

    Shopify

    HTML

    Php

    MySQL

    SEO audit

  • Billy
    Billy

    Performance Excellent

    Sales 75

    Prestashop

    Blog creation

    JavaScript

    Php

    WordPress

    Shopify

  • Rezak
    Rezak

    Développeur web Full Stack 🌐💻 | PHP / Laravel | JavaScript / React JS | MERN Stack 🚀

    Performance Good

    Sales 441

    Server configuration

    Website migration

    Website redesign

    Showcase website

    JavaScript

    MySQL

    Problem solving

    React

    Php

    Angular

  • Joaquim
    Joaquim

    Solutions Web : Correction de bugs, Scripts Python et Automatisations

    Sales 0

    No-code automation

    WordPress

    Python

    JavaScript

    Api integration

    HTML

    CSS

  • Mohamed Ayouba Ould
    Mohamed Ayouba Ould

    Ould_Dev tech_Solutions

    Sales 0

    Website maintenance

    Windows optimization

    Automated responses

    Flutter

    Data extraction

    Web scraping

    SQL

    Python

    Php

  • Hugo
    Hugo

    Développeur Web Front-End | HTML, CSS, JavaScript, Python

    Sales 0

    Linux

    Responsive design

    Python

    JavaScript

    HTML

    Front-end

    CSS

  • Bastien
    Bastien

    Développeur – sites & apps modernes, rapides et professionnels

    Sales 0

    Node.js

    React

  • Maxime
    Maxime

    Maxime

    Sales 0

    SQL

    MySQL

    Python

    JavaScript

    HTML

    CSS

  • DERICK
    DERICK

    Je vais développer votre application web ou mobile sur mesure

    Sales 0

    Flutter

    CSS

    Laravel

    React

    Php

    JavaScript

    HTML

  • ILESSANMI ADEBISSI ALAO TAOFIC
    ILESSANMI ADEBISSI ALAO TAOFIC

    Développeur Flutter | Applications mobiles et sites web professionnels.

    Sales 0

    Web development training

    Firebase

    Flutter

    UX/UI

  • Osmond Wahyudi
    Osmond Wahyudi

    Product Manager - Scrum Master - Business Analyst

    Sales 0

    UX/UI

  • Aurélien
    Aurélien

    Développeur Web & Applications | PHP • JS• Supabase - N8N et Mage

    Sales 0

  • Abdulazeez
    Abdulazeez

    Website Developer | Marketing Specialist

    Sales 0

    SEO

    WordPress

    Web design

    Shopify

    HTML

    Conversion rate

    Digital marketing

  • Tiavina Andrianasolo
    Tiavina Andrianasolo

    Développeur Web Full-Stack | PHP, MySQL, JavaScript

    Sales 0

    Back-end

    Responsive design

    Php

    MySQL

    JavaScript

    HTML

    Front-end

    CSS

  • Lucas
    Lucas

    Développeur Python - Automatisation, Scripts de Données

    Sales 0

    Python

    HTML

    CSS

  • cedric
    cedric

    Développeur architecte senior — audit, debug, API, serveur et sécurité

    Sales 0

  • Joseph
    Joseph

    Eccomerce Expert | DropshippingSpecialist| Knowledgeable about Web design and Web development |

    Sales 0

    SEO

    Dropshipping

    Facebook Ads

    Email marketing

    Wix

    Web design

    Shopify

    Video editing

    Graphic Design

    2D Animation

  • Kevin
    Kevin

    Expert WordPress & Multimédia

    Sales 0

  • Faridat Abdulazeez
    Faridat Abdulazeez

    Ecommerce Business Expert | Design • Marketing • Strategy

    Sales 0

    Branding

    Wix

    Shopify

    Marketing strategy

  • Oluwaseyi
    Oluwaseyi

    Shopify Marketing Expert | High-Converting Shopify Designer & Meta Ads Specialist

    Sales 0

    Dropshipping

    Social media advertising

    Theme customization

    TikTok videos

    Facebook Ads

    TikTok Ads

    Meta Ads

    Web design

    Shopify

    Shopify theme

  • Simeon
    Simeon

    Développeur Web Expert | Spécialiste Django, Laravel & API

    Sales 0

    Laravel

    Python

    Php

    Api integration

    JavaScript

    CSS

    HTML

  • Finariidi Rabetsaramanana
    Finariidi Rabetsaramanana

    Développeur WordPress | Création, optimisation et modification de sites web

    Sales 0

    Laravel

    WordPress

    Shopify

    React

    Php

    JavaScript

    HTML

    CSS

    Ajax

  • Magdalene
    Magdalene

    I will design redesign wordpress business website, build wordpress website development

    Sales 0

    WordPress

    JavaScript

    HTML

    CSS

    Web design

    Landing pages

    Front-end

    Web accessibility

  • Nambinintsoa Stéphane
    Nambinintsoa Stéphane

    Developpeur d'application Web et Mobile | Javascript . React · Node.js | 8 ans d'expérience

    Sales 0

    Jquery

    Typescript

    JavaScript

    Ajax

    React

    Node.js

    Api integration

    React native

    Mobile application

    Web application

  • Matthieu
    Matthieu

    Matthieu Sousa

    Sales 0

    Data analysis

    No-code automation

    Data extraction

    Python

  • Ilya
    Ilya

    Développeur Python — Automatisation IA, API & Debugging

    Sales 0

    WooCommerce

    WordPress

    JavaScript

    Make

    N8N

    Webhooks

    Test automation

    ChatGPT

    AI agent

    Python

  • matheo
    matheo

    Développeur Fullstack & Mobile | Expert Next.js & Solutions IA

    Sales 0

    Web development training

    SEO

    Unit testing

    Node.js

    HTML

    React native

    Mobile application

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