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

410 results

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  • Olivier
    Olivier

    DevOps, développement web, WordPress & automatisation | Snerolf Solutions

    Sales 0

    Status PRO

    MySQL

    Back-end

    Server administration

    Linux

    WordPress

    Php

    Web application

    Ci/cd pipelines

    Cloud computing

    Docker

  • Lucas
    Lucas

    Agence Moodboard

    Sales 0

    Status PRO

    Wordpress plugin

    WordPress theme

    WooCommerce theme

    Php

    JavaScript

    HTML

    CSS

    On-page seo

    Off-page seo

    WordPress

  • Gaëtan
    Gaëtan

    Développeur Web React / Node.js & Shopify | Bugs, intégration & fonctionnalités

    Sales 0

    Status PRO

    Api integration

    Restful api

    Shopify

    Shopify theme

    HTML

    CSS

    Node.js

    Typescript

    JavaScript

    React

  • Thanushan
    Thanushan

    Ingénieur systèmes & réseaux - Automatisation IA · n8n · Make · Zapier

    Sales 0

    Status PRO

    Wordpress plugin

    WordPress

    SQL

    Scripts

    Web scraping

    Python

    No-code automation

    Zapier

    Make

    N8N

  • LEONIE
    LEONIE

    Développeuse Full-Stack, Mobile, Data & IoT

    Sales 0

  • lucas
    lucas

    contratsolide

    Sales 0

    Status PRO

    Web page writing

    Invoicing

    WordPress

    WooCommerce

    Php

    Wordpress plugin

  • Elodie
    Elodie

    Développeuse web — sites vitrines pour artisans et commerçants.

    Sales 0

    Status PRO

    Web page writing

    Proofreading

    JavaScript

    HTML

    Chatbot

    CSS

  • Isaac Olatomiwa Olorunfemi
    Isaac Olatomiwa Olorunfemi

    Je vais créer un site Wix professionnel, moderne et responsive

    Sales 0

    Wix

    CMS

    Graphic Design

    Business development

    SEO

    UX/UI

    Responsive design

    Landing pages

    Web design

  • Stéphane Armand Kouwa Kouague
    Stéphane Armand Kouwa Kouague

    Développeur PHP | Symfony, Drupal, Shopify | Correctif, site, boutique

    Sales 73

    Status PRO

    SQL

    Php

    Payment integration

    Symfony

    Laravel

    Shopify theme

    Drupal module

    Drupal theme

    Shopify

  • Lathan
    Lathan

    Développeur Web & Data | Python, SQL, Power BI, automatisation

    Sales 0

    Status PRO

    Typescript

    Responsive design

    React

    JavaScript

    HTML

    Web application

    CSS

    Api

  • Jules Lordet
    Jules Lordet

    Duo de développeurs | Sites web & applications fonctionnels en temps record | ULTRA REACTIF !

    Sales 0

    AI

    Listening and counseling

    Showcase website

    Web application

    Mobile application

  • David Duribreux
    David Duribreux

    Sales 0

    Status PRO

    Git versioning

    Typescript

    Node.js

    React

    JavaScript

  • Owen Moga
    Owen Moga

    Développeur web freelance · Sites vitrines, landing pages et applications sur mesure · Bac+5

    Sales 0

    Status PRO

    Responsive design

    Website redesign

    Web performance optimization

    Debugging

    Technical seo optimization

    Responsiveness

    Web application

    Landing pages

    Showcase website

  • Rotimi
    Rotimi

    Agence de contenu SEO, data et solutions digitales

    Sales 0

    PowerPoint

    Excel

    Excel macro

    Blog writing

    Community management

    Web design

    Mobile application

    Blog creation

    SEO audit

    Seo writing

  • Jordan
    Jordan

    Ingénieur cybersécurité & cloud — audits et sécurisation de sites et serveurs

    Sales 0

    Status PRO

    Website maintenance

    SSL certificate

    Mail server

    Server administration

    WordPress

    Web security

    Data security

    Cloud computing

  • Comlan Marionas Victorin
    Comlan Marionas Victorin

    Shopify Builder – Consultant e-Commerce

    Performance Top

    Sales 35

    Status PRO

    Shopify

    Organic seo

  • Ghislain Kambale Mitahi
    Ghislain Kambale Mitahi

    Expert WordPress & Shopify | Dév Fullstack React, Next.js, Node.js, Python

    Performance Top

    Sales 42

    WordPress

    WooCommerce

    HTML

    JavaScript

    Php

    SQL

    Bootstrap

    CSS

    Docker

    Node.js

  • Aubin
    Aubin

    ✅ Certifié Développeur Web / Créateur de sites WordPress, Wix, Shopify… / Expert en marketing

    Performance Top

    Sales 787

    Amazon KDP

    YouTube Ads

    Wix

    WordPress

    Shopify

    Adobe Photoshop

    Video editing

  • Candace
    Candace

    Top Vendeur | Expert en création de sites WordPress & Formateur - Coach

    Performance Top

    Sales 118

    WordPress

    Web scraping

    CSS

    Php

    React

    Python

  • Amine
    Amine

    MultixLab

    Performance Top

    Sales 23

    Prospecting

    Python

    Email marketing

    Adobe Photoshop

    Web scraping

  • etienne
    etienne

    Expert SEO français (backlinks, DA Moz) & automatisations n8n / IA — Top vendeur 1 771 ventes

    Performance Top

    Sales 1,788

    Claude

    SEO strategy

    Automated workflow

    Seo-optimized content

    On-page seo

    Organic seo

    Local seo

    Technical seo optimization

    SEO audit

  • Salim Bounceur
    Salim Bounceur

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

    Sales 618

    WordPress theme

    WordPress

    Adobe Photoshop

    Photo Retouching

    Web design

    Graphic Design

    Php

    MySQL

    HTML

    CSS

  • Mickael
    Mickael

    Sales 19

    Api integration

    WordPress

    Prestashop

    HTML

    Trading bot

    Discord bot

    Python

    Php

    JavaScript

    Full-stack

  • Fabrice
    Fabrice

    Développeur Full-Stack Laravel & Django | Création de SaaS & Applications web sur-mesure

    Sales 0

    AI agent

    Tailwind

    Php

    CSS

    Html seo

    HTML

    JavaScript

    Python

  • Yehiel Yanou Piatchebe
    Yehiel Yanou Piatchebe

    Développeur Full-Stack | Consultant IT | Freelance

    Sales 0

    Angular

    React

    WordPress

    Node.js

    JavaScript

  • Hammed
    Hammed

    Conversion Driven Website Developer | Fixing Websites That Don’t Generate Sales

    Sales 2

    Shopify

    Web design

  • Ilyes
    Ilyes

    Sales 0

    SEO

    Webhooks

    Web design

    Web security

    Data security

    MySQL

    Payment integration

    React

    Ci/cd pipelines

    Docker

  • Jules Fakhouri
    Jules Fakhouri

    Développeur web, mobile & expert informatique | Solutions rapides & accompagnement sur mesure💡

    Sales 15

    WordPress

    Windows optimization

    Claude

    Performance audits

    SEO

    IT troubleshooting

    IT support

    iOS

    Android

    Git versioning

  • Lionel Okpeicha
    Lionel Okpeicha

    Développeur Senior Fullstack (Node.js/React/Next.js) & Mobile Flutter — 6 ans d'expérience

    Sales 58

    Cloud computing

    Typescript

    Flutter

    Node.js

    Docker

    Api

    Tailwind

    React

    Angular

    Websockets

  • Samuel Junior Afolarin
    Samuel Junior Afolarin

    Développeur Shopify | Thèmes sur mesure, bugs, applications & optimisation des conversions

    Sales 0

    E-commerce management

    Shopify coaching

    Shopify

    Shopify theme

    Shopify plugin

  • Daniel Umenze
    Daniel Umenze

    Développeur de sites web et expert en marketing

    Performance Top

    Sales 10

    Seo writing

    Web design

    Shopify

    Google Maps

    Google tag manager

    Google my business

    Google Ads

    Local seo

    Facebook Ads

    Shopify theme

  • Mohamed
    Mohamed

    Développeur web expert: Shopify, Wordpress & Prestashop

    Performance Top

    Sales 342

    Automated workflow

    Automated content

    Shopify

    HTML

    Php

    MySQL

    SEO audit

  • Tagnon
    Tagnon

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

    Performance Top

    Sales 101

    WordPress

    WordPress theme

    Wordpress plugin

    Adobe Photoshop

    Shopify

    WooCommerce

    Web security

  • KAPEVICH
    KAPEVICH

    🥇 Développeur Web & site WordPress Professionnel

    Performance Excellent

    Sales 77

    WordPress

    WooCommerce

    HTML

    CSS

    WordPress theme

  • Rezak
    Rezak

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

    Performance Very good

    Sales 445

    Server configuration

    Website migration

    Website redesign

    Showcase website

    JavaScript

    MySQL

    Problem solving

    React

    Php

    Angular

  • Saâd Rajraji
    Saâd Rajraji

    Développeur Senior FullStack (PHP / Javascript) & Formateur

    Sales 0

    HTML

    CSS

    JavaScript

    Php

    WordPress

    React

  • Saïd
    Saïd

    Founder of Grafy.me | Senior Full-Stack Engineer & AI/ML Architect

    Sales 0

    Back-end

    SaaS

    Front-end

    Figma

  • Lucien
    Lucien

    Testeurs de site et d'applications web

    Sales 0

  • Ignace Deha
    Ignace Deha

    Sales 0

  • Caren
    Caren

    Spécialiste WordPress – Bugs, Erreurs & Déblocage OVH

    Sales 0

    WordPress

    Wordpress plugin

    WordPress theme

    HTML

    CSS

    JavaScript

    Php

    Responsive design

  • SEMAKO JOEL
    SEMAKO JOEL

    Développeur Web & SEO. Spécialiste PHP/LARAVEL

    Sales 28

    HTML

    Organic seo

    WordPress

    Php

    CSS

    JavaScript

    Bootstrap

    Tailwind

    Ajax

    Node.js

  • SAFORA
    SAFORA

    Sales 0

    WordPress

  • Anjaniaina Mamisoa Ratsimbarison
    Anjaniaina Mamisoa Ratsimbarison

    Développeur Web Full-Stack

    Sales 0

    SQL

    MySQL

    Php

    Node.js

    Typescript

    React

    Tailwind

  • Farida
    Farida

    Je corrige vos bugs et améliore votre site web ♿

    Sales 0

    HTML

    CSS

    Tailwind

    JavaScript

    Node.js

    Angular

    Docker

    Figma

  • Rado
    Rado

    Développeur Web & Desktop | Je code vos idées en solutions performantes et sécurisées

    Sales 0

    JavaScript

    Php

    HTML

    Tailwind

    WordPress

    Python

  • Ephreme Kouledou
    Ephreme Kouledou

    Développeur PHP Laravel | Wordpress

    Sales 0

    WordPress

    Web scraping

  • Séro Charles Sacca Cora
    Séro Charles Sacca Cora

    Développeur web React, Node.js, Next.js · Bénin GMT+1

    Sales 0

    JavaScript

    React

    Node.js

    Tailwind

    HTML

  • Elise
    Elise

    Développeuse React | Intégration Figma, dashboards & API

    Sales 0

    Laravel

    Flutter

    React

    HTML

    CSS

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