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

479 results

Sort by:

  • Bertrand Domat
    Bertrand Domat

    Expert PrestaShop, WordPress & WooCommerce | Développeur web

    Performance Top

    Sales 2,046

    Status PRO

    Debugging

    Web security

    Prestashop

    Php

    Extension development

    Web performance optimization

    Website migration

    Website maintenance

    WooCommerce

    WordPress

  • Théo
    Théo

    Développeur expert web et mobile | SEO | ULTRA-réactif |

    Performance Top

    Sales 670

    Status PRO

    WordPress

    Sales funnels

    Shopify

    Prestashop

  • Imaging
    Imaging

    Développeur web certifié Prestashop & WordPress : réparation, dépannage et création de site commerce

    Performance Top

    Sales 2,662

    Status PRO

    Full-stack

    Automated workflow

    Page speed optimization

    Web performance optimization

    Website maintenance

    WordPress

    WooCommerce

    Web security

    Prestashop

    Technical seo optimization

  • Jules
    Jules

    Agence Expert WordPress | Création, Migration & Résolution de bugs

    Performance Top

    Sales 15

  • youssef
    youssef

    Développeur Web & E-commerce | WordPress, PrestaShop, Shopify, PHP, VPS, SEO, security, Optimization

    Performance Top

    Sales 2,244

    WordPress

    Prestashop

    Shopify

    Chatbot

    Api

    MySQL

    WooCommerce

    Server configuration

  • yoann
    yoann

    Spécialiste WordPress & SEO - Website Manager

    Sales 15

    Status PRO

    WordPress

    Prestashop

    HTML

    CSS

    Php

    Python

    JavaScript

    Web design

    Web scraping

  • SLIMANE
    SLIMANE

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

    Sales 55

    Python

    JavaScript

    React

    HTML

    CSS

    SQL

    MySQL

  • EcomDev
    EcomDev

    Développeur de Sites Web - Expert SEO | N°1 - Plus de 330 avis positifs ⭐️

    Performance Top

    Sales 393

    Status PRO

    Showcase website

    WordPress

    Organic seo

    E-commerce niche

    JavaScript

    Mobile application

  • Valere
    Valere

    🏅 Développeur web fullstack & no-code

    Performance Top

    Sales 196

    Website migration

    Website redesign

    Website maintenance

    Elementor

    Divi

    Showcase website

    WordPress

    WordPress theme

    Shopify

    WooCommerce

  • Maurel
    Maurel

    Développeur Full-Stack | Laravel · Vue.js · Flutter · WordPress · Django · Angular

    Sales 97

    Status PRO

    WordPress

    WooCommerce

    Git versioning

    Angular

    Php

    Python

  • Vidal Tresor
    Vidal Tresor

    Développeur Web - Consultant en Marketing Digital

    Performance Top

    Sales 392

    WordPress

    Email marketing

    Emailing automation

    Web design

    IT support

    Chatbot

    Zapier

    WooCommerce

    HTML

    CSS

  • CardinalWeb
    CardinalWeb

    Performance Top

    Sales 931

    Status PRO

  • Hassan
    Hassan

    Expert WordPress & SEO | Sites performants, visibles et conçus pour convertir

    Performance Top

    Sales 886

    Status PRO

    Online store creation

    Website redesign

    Seo-optimized content

    WordPress

    Showcase website

    Web performance optimization

    Php

    Shopify

    Prestashop

  • Karam
    Karam

    Consultant Web - Expert WordPress & SEO

    Performance Top

    Sales 360

    Status PRO

    Showcase website

    Organic seo

    WordPress

    Web design

  • Adama Kone
    Adama Kone

    Intégrateur & Consultant Odoo | Automatisations | Sites web WordPress · Make · Zapier · n8n

    Performance Top

    Sales 291

    WordPress

    Wordpress plugin

    Angular

    JavaScript

  • Mike Kukwikila
    Mike Kukwikila

    Consultant SEO-GEO, WordPress & IA | Acquisition Client

    Sales 28

    Status PRO

    Automated workflow

    Digital marketing

    WordPress

    Organic seo

    Google my business

    Google search console

    Advertising campaigns

  • Sophie Boutemy
    Sophie Boutemy

    Développeuse web – WordPress & WooCommerce | Dépannage, maintenance et développement

    Performance Top

    Sales 5

    Status PRO

    HTML

    Php

    JavaScript

    WordPress

    Wordpress plugin

    WordPress theme

  • Didier Mollet
    Didier Mollet

    Sales 1,523

    Status PRO

    Adobe Illustrator

    Adobe Photoshop

    Adobe InDesign

  • Michael Galy
    Michael Galy

    Performance Top

    Sales 465

    Web security

  • Chajia
    Chajia

    Création de Sites WordPress | E-commerce & Vitrine | 🔧 Maintenance & Optimisation SEO

    Performance Top

    Sales 415

    Status PRO

    WordPress

    HTML

    Php

    MySQL

    Adobe Illustrator

  • Martin_JS
    Martin_JS

    Ingénieur logiciel - Développeur Web, Mobile & intégration IA : Application, SaaS, Plateforme, Sites

    Performance Top

    Sales 574

    Status PRO

    Web application

    Mobile application

    UX/UI

    AI

    Website redesign

    WooCommerce

    Shopify

    SEO

    WordPress

  • KOKOU
    KOKOU

    Création Site WordPress | Vitrine, E-commerce & Elementor | 241 Avis ⭐5.0 Top

    Performance Top

    Sales 288

    HTML

    WordPress

    CSS

    WooCommerce

  • Radiance
    Radiance

    Full Stack Software Engineer (React, Node.js & TypeScript)

    Sales 1

    Payment integration

    Node.js

    JavaScript

    Api integration

    HTML

    WordPress

    Typescript

    Shopify

    React

    Python

  • DonatienPro
    DonatienPro

    Développeur WordPress & SEO

    Performance Top

    Sales 237

    Status PRO

    WordPress

    Shopify

    Php

    React

    WooCommerce

    Landing pages

  • RYAD
    RYAD

    ECOM MARKETING

    Sales 110

    Status PRO

  • Fabrice_RC
    Fabrice_RC

    ⭐Top Vendeur ComeUp | Expert WordPress, WooCommerce & IA | +200 avis 5★

    Performance Top

    Sales 243

    Status PRO

    Visual Identity

    AI

    SaaS

    Online store creation

    Website redesign

    WooCommerce

    Shopify

    Marketing strategy

    WordPress

  • Gratien Dohou
    Gratien Dohou

    WordPress, SEO & Google Ads | Expert en création de sites et acquisition de clients

    Performance Top

    Sales 122

    Status PRO

    WordPress

    SEO

    Google Ads

  • GBESSIEDE
    GBESSIEDE

    🚀 Consultant SEO & GEO & Google Ads – Faites décoller votre business en ligne

    Performance Very good

    Sales 114

    On-page seo

    Off-page seo

    Google Ads

    Seo writing

  • Mourad
    Mourad

    Expert Création de Sites Web | WordPress & Shopify | 90+ avis ⭐️

    Performance Top

    Sales 97

    Status PRO

    WordPress

    WooCommerce

    Wordpress plugin

  • Lefreelancer
    Lefreelancer

    Concepteur de Solutions Digitales | E-commerce, SaaS & IA

    Performance Top

    Sales 2,667

    Status PRO

    Prestashop

    WordPress

    Wordpress plugin

    WordPress theme

    Shopify

    Adobe Photoshop

    Adobe Illustrator

    WooCommerce

  • Lucyna
    Lucyna

    Site professionnel pour attirer les clients !

    Sales 2,393

    Status PRO

    WordPress

    HTML

    CSS

    Php

    Blog creation

    WooCommerce

  • Jérémie
    Jérémie

    Jeremie

    Sales 3

    Unit testing

  • Sitraka Nehemia Léon
    Sitraka Nehemia Léon

    Développeur Full Stack

    Sales 12

    WordPress

    React

    Node.js

    Php

    Tailwind

    Bootstrap

  • Said
    Said

    Sales 611

    Laravel

    Back-end

    WordPress

    WooCommerce

    Python

    Prestashop

    Php

    HTML

    WooCommerce plugin

    CSS

  • Jean Chrysostome
    Jean Chrysostome

    Expert WordPress & SEO | Solutions web modernes et sur mesure

    Performance Top

    Sales 6

    Web performance optimization

    Website maintenance

    WooCommerce

    SEO

    WordPress

    CSS

    JavaScript

    Php

    WordPress theme

    Wordpress plugin

  • Fuznet
    Fuznet

    Shopify Expert

    Performance Good

    Sales 6,154

    Status PRO

    Shopify

    HTML

    CSS

    JavaScript

  • PIERROT
    PIERROT

    Expert WordPress | Création de sites internet | Support & Maintenance WordPress

    Performance Very good

    Sales 281

    Web security

    WordPress

  • Najwa
    Najwa

    🚀 Ingénieure en Informatique | Experte en Shopify et E-commerce 💻

    Performance Top

    Sales 771

    Shopify coaching

    E-commerce coaching

    E-commerce niche

    Shopify theme

    Shopify plugin

    Shopify

    WooCommerce

    WordPress

  • Mohammed Achraf Benali
    Mohammed Achraf Benali

    Développeur informatique et infographiste

    Performance Top

    Sales 97

    Status PRO

    CSS

    WordPress

    WooCommerce

    HTML

    JavaScript

    Php

    Adobe Photoshop

    Adobe Illustrator

    Adobe after effects

    Adobe After Effects

  • Giovani
    Giovani

    Développeur Full Stack & Automatisation IA | Sites web pros, Apps mobiles, n8n, API

    Performance Top

    Sales 49

    Status PRO

    Showcase website

    AI agent

    Api integration

    Docker

    Flutter

    N8N

    React

    Node.js

    React native

  • Leon Semado
    Leon Semado

    Développeur WordPress | Création de sites modernes, structurés et optimisés conversion & SEO

    Performance Top

    Sales 21

    Status PRO

    Website migration

    E-learning platform

    Online store creation

    Showcase website

    Elementor

    Website redesign

    SEO

    Page speed optimization

    WordPress

    WooCommerce

  • Rachid
    Rachid

    Développeur Full Stack & IA | API, SaaS, MCP et automatisation

    Sales 10

    Status PRO

  • Netsolution
    Netsolution

    NETSOLUTION · Consultant SEO & GEO · Audit, netlinking et création de sites

    Sales 224

    Status PRO

    SEO

    Page speed optimization

    WooCommerce

    GEO

    Local seo

    Technical seo optimization

    Netlinking

    SEO audit

    WordPress

    Seo writing

  • Aurélien
    Aurélien

    Performance Excellent

    Sales 205

    Status PRO

  • Ghislain Kambale Mitahi
    Ghislain Kambale Mitahi

    Expert Shopify & WordPress | Développeur Full-Stack React, Next.js & IA

    Performance Top

    Sales 44

    AI agent

    N8N

    WordPress

    WooCommerce

    HTML

    JavaScript

    SQL

    CSS

    Docker

    Node.js

  • 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

  • velnorys
    velnorys

    Développeur web & SEO — Sites professionnels, WordPress, performance et optimisation

    Sales 0

    Status PRO

    Web performance optimization

    Full-stack

    Organic seo

    Local seo

    Technical seo optimization

    Google my business

    SEO

    SEO audit

    E-commerce management

    Web design

  • RankitAgence
    RankitAgence

    Agence web à Lyon : SEO, Google Ads, sites, e-commerce, IA et automatisation

    Sales 0

    Status PRO

    SEO

    AI agent

    Seo writing

    Marketplace

    No-code automation

    WordPress

    Shopify

    Local seo

    Google Ads

    Netlinking

I'm looking for:
Services Freelancers

Filters

Skills
Minimum performance
Other options
Category
Sort by