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

383 results

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  • Vidal Tresor
    Vidal Tresor

    Développeur Web - Consultant en Marketing Digital

    Performance Top

    Sales 380

    WordPress

    Email marketing

    Emailing automation

    Web design

    IT support

    Chatbot

    Zapier

    WooCommerce

    HTML

    CSS

  • Philippe
    Philippe

    Développeur Web Full Stack | WordPress, Spécialiste SEO & Création de sites web rapides et optimisés

    Performance Top

    Sales 5

    WordPress

    Wordpress plugin

    WordPress theme

    HTML

    CSS

    WooCommerce

    Php

    On-page seo

  • JosueDiagathe
    JosueDiagathe

    Je crée votre site web et gère vos campagnes SEO, publicités Meta/Google, réseaux sociaux, emailing.

    Performance Top

    Sales 5

    Status PRO

    Digital marketing

    Email marketing

    Marketing automation

    Web design

    Social media advertising

    Google Ads

    Marketing strategy

  • NUMISPARK
    NUMISPARK

    Numispark

    Sales 1

    Status PRO

    Web performance optimization

    Web design

    Web security

    React

    Node.js

    Full-stack

    Web application

    Restful api

    Database

    UX/UI

  • Nicolas Pivaut
    Nicolas Pivaut

    Agence web à Lille

    Sales 1

    Status PRO

    WordPress

    Server configuration

  • rabia
    rabia

    Sales 46

  • Abdessalam Hassaine
    Abdessalam Hassaine

    🚀 Expert WordPress & stratégie web | Sites qui convertissent 🎯 | SEO & Google ADS 📈

    Performance Top

    Sales 39

    Web design

    Google Ads

    WordPress

  • Steve Noguia Lontsie
    Steve Noguia Lontsie

    Développeur Full Stack & créateur de solutions avec l'IA

    Sales 69

    JavaScript

    React

    Node.js

    Tailwind

    WordPress

    Docker

    Git versioning

    End-to-end testing

    Unit testing

    MySQL

  • Helene Tata
    Helene Tata

    ✅Vendeuse Vérifiée | Experte en Marketing | SEO et Création de Sites Web 📈

    Performance Top

    Sales 450

    YouTube Ads

    Amazon KDP

    Wix

    WordPress

    Seo writing

    translation

    Organic seo

    Promotion creation

  • HERMAN
    HERMAN

    🟢 Développeur Full-Stack · Flutter · Next.js | SaaS · Apps mobiles · Web | Design UI/UX

    Performance Very good

    Sales 56

    AI

    Back-end

    SaaS

    Flutter

    WordPress

    React

    Full-stack

    UX/UI

  • Vincent Assa Ala Olinga
    Vincent Assa Ala Olinga

    Testeur QA

    Sales 1

    HTML

    CSS

    JavaScript

    React

    Typescript

    Node.js

  • Tarek
    Tarek

    Production Vidéo / Design Graphique / Conception Web / SEO

    Performance Top

    Sales 3,411

    Status PRO

    Web design

    Graphic Design

    Logo Animation

    3D Rendering

    2D Animation

    Seo reporting

    On-page seo

    Off-page seo

  • Aimé Dohou
    Aimé Dohou

    Développeur web / consultant SEO

    Performance Top

    Sales 299

    Status PRO

    Wordpress plugin

    WordPress

    Php

  • Nicolas
    Nicolas

    buzzPro

    Sales 362

    Status PRO

    UX/UI

    Wordpress plugin

    WordPress theme

    WordPress

    Laravel

    Python

    SEO

    SEO strategy

  • Diyar
    Diyar

    Expert Développeur Web & Pentester – Consultant tech

    Sales 27

    Status PRO

    HTML

    CSS

    JavaScript

    WordPress

    Prestashop

    React

    Shopify

    Web security

  • Mohammed Achraf Benali
    Mohammed Achraf Benali

    Développeur informatique et infographiste

    Sales 93

    Status PRO

    CSS

    WordPress

    WooCommerce

    HTML

    JavaScript

    Php

    Adobe Photoshop

    Adobe Illustrator

    Adobe after effects

    Adobe After Effects

  • Arthur
    Arthur

    Développeur WordPress | Elementor, Breakdance | No-code

    Sales 178

    Status PRO

    WordPress

    Landing pages

    Web design

    Web security

  • steevy
    steevy

    Description

    Sales 1

    Status PRO

    WordPress

    Prestashop

  • Guillaume Philippon
    Guillaume Philippon

    Expert WordPress | 15 ans d'expérience pour créer, réparer et optimiser votre site

    Sales 1

    Status PRO

    WordPress

    WordPress theme

    Wordpress plugin

    Php

    JavaScript

    HTML

    CSS

    MySQL

  • ComAll
    ComAll

    Réseaux sociaux & création de sites web

    Sales 654

    Status PRO

    IT troubleshooting

    AI chatbot

    IT support

    AI agent

    Api

    Influencer campaigns

    WordPress

  • Nicolas
    Nicolas

    Expert Google Ads & Meta Ads | Media Buyer depuis 10 ans | Tracking & Scaling E-commerce / B2B

    Sales 1

    Status PRO

    Google tag manager

    Google Ads

    Google my business

    Google analytics

  • William Da Silva Avelar
    William Da Silva Avelar

    Développeur Full-Stack Senior | MVP, APIs, SaaS

    Sales 0

    Status PRO

    Web accessibility

    Tailwind

    Back-end

    Typescript

    React

    Node.js

    Front-end

    JavaScript

    HTML

    CSS

  • Soufiane Belhadj
    Soufiane Belhadj

    Développeur web freelance, sites vitrine, landing pages et applications iOS

    Sales 0

    Status PRO

    Python

    Landing pages

    JavaScript

    HTML

    WordPress theme

    CSS

    On-page seo

  • Mahutondji Oussa
    Mahutondji Oussa

    Studio_ISSO

    Sales 0

    Status PRO

    WordPress

    Acquisition strategy

    Communication strategy

    Video editing

    Content marketing

    Lead generation

    Copywriting

    Community management

    Posters and flyers

  • Dona Tobias
    Dona Tobias

    Développeur Web & IA | Automatisation, Chatbots, Systèmes intelligents

    Performance Top

    Sales 508

    Status PRO

    Make

    AI

    No-code automation

    Wordpress plugin

    N8N

    WooCommerce

    JavaScript

    WordPress

    Python

  • Ulrich
    Ulrich

    Développeur Shopify

    Performance Top

    Sales 136

    Status PRO

    Shopify

    WordPress

  • Gratien Dohou
    Gratien Dohou

    Expert WordPress, Google Ads, SEO & Tunnel de vente

    Performance Top

    Sales 118

    Status PRO

    WordPress

    SEO

    Google Ads

  • Djahou Boko
    Djahou Boko

    ETIENNE BOKO

    Sales 1

    UX/UI

    Adobe Photoshop

    HTML

    CSS

    JavaScript

  • Vincenzo
    Vincenzo

    Sales 1

    Status PRO

  • Yoann
    Yoann

    Développeur WEB Sénior (PHP/Laravel)

    Sales 179

    Status PRO

    Php

    MySQL

    HTML

    CSS

    JavaScript

    Jquery

    Bootstrap

    Git versioning

  • Mickaël Larchevêque
    Mickaël Larchevêque

    Développeur JS

    Sales 0

    Status PRO

    JavaScript

    Angular

    React

    HTML

  • Pierre
    Pierre

    Pierre F

    Sales 0

    Status PRO

    HTML

    CSS

    JavaScript

    Php

    Angular

    SQL

    MySQL

    Git versioning

    Python

  • Cyriaque Tossou
    Cyriaque Tossou

    Cyriaque_T

    Sales 0

    Status PRO

    JavaScript

    Typescript

    Unit testing

    Docker

    Ci/cd pipelines

  • david
    david

    Développeur Web Front-end diplômé (RNCP 5) | Expert React & Next.js

    Sales 0

    Status PRO

    React

    Attention to detail

    Tailwind

    JavaScript

    HTML

    CSS

    Responsive design

    Git versioning

  • Adrien Calvez-Foubert
    Adrien Calvez-Foubert

    Développeur front-end | Corrections & améliorations rapides de sites web

    Sales 0

    Status PRO

    HTML

    CSS

    Responsive design

  • Laurent
    Laurent

    Développeur web | Bugs visuels WordPress, Elementor & responsive

    Sales 0

    Status PRO

    Typescript

    React

    Node.js

    JavaScript

    React native

    Restful api

  • Vincent
    Vincent

    Technicien informatique – Assistance & dépannage

    Sales 0

    Status PRO

  • Christophe
    Christophe

    dev-js-rapide

    Sales 0

    Status PRO

    JavaScript

    Typescript

    Angular

    Node.js

  • Corentin
    Corentin

    ☁️ Cloud & Infrastructures | 🛡️ Sécurité IT | 🤖 DevOps | 🔍 Fiabilité & Performance des Systèmes

    Sales 0

    Status PRO

    Php

    WordPress

    HTML

    Cloud computing

    Prestashop

    Typescript

  • Gaëtan Sadous
    Gaëtan Sadous

    Développeur Web Fullstack React/Node.js (Typescript)

    Sales 0

    Status PRO

    Typescript

    React

    Node.js

    JavaScript

    Problem solving

  • Oladipo
    Oladipo

    Bringing your vision to reality

    Sales 0

    Status PRO

    Marketing strategy

    Web performance optimization

    Organic traffic

    SEO

    Off-page seo

    On-page seo

    E-commerce management

    Web design

    Shopify theme

    Shopify

  • Yann
    Yann

    Sales 0

    Status PRO

    Symfony

    Php

    JavaScript

    HTML

    CSS

  • JESSOUGNON SANDRIN
    JESSOUGNON SANDRIN

    AlphaConnect Technology : Votre Partenaire en Transformation Numérique !

    Sales 10

    Status PRO

    Php

    JavaScript

    WordPress

    Organic seo

    WooCommerce

    Python

    React

    Node.js

  • Saloum_Digital
    Saloum_Digital

    DEVELOPPEUR CONSULTANT WEB DIGITAL

    Sales 294

    Status PRO

    WordPress

    WooCommerce

    Shopify

    SEO audit

    Google search console

    Organic seo

  • Thomas
    Thomas

    Thomas IT SOLUTIONS

    Sales 9

    Status PRO

    WordPress

    Shopify

    Chatbot

  • David
    David

    AI Engineer & Développeur d’applications web métier

    Sales 61

    Status PRO

    Php

    Docker

    Continuous integration

    MySQL

    Python

  • matter_stats
    matter_stats

    Sales 89

    Status PRO

    Data security

  • IhebSaad
    IhebSaad

    Sales 18

    Status PRO

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