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

423 results

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  • Georges Ayeni
    Georges Ayeni

    Développeur Web | Mobile Fullstack

    Sales 1

    HTML

    CSS

    JavaScript

    Seo writing

  • Ronan Pradot
    Ronan Pradot

    Développeur fullstack

    Sales 0

    Figma

    Adobe Photoshop

    WordPress

    React

    Php

    Node.js

    HTML

    CSS

  • Eurluco Rafidimanana
    Eurluco Rafidimanana

    Développeur Web Junior & Étudiant en Informatique

    Sales 0

    Jquery

    Web design

    Responsive design

    JavaScript

    HTML

    CSS

  • Razakarivony Liva
    Razakarivony Liva

    Sales 290

  • SOUROU O. Cyrille
    SOUROU O. Cyrille

    Développeur Web Full-Stack & Expert SEO

    Sales 0

    React

    Tailwind

    Node.js

    Python

    Php

    MySQL

  • Hermann Douanla Gningaye
    Hermann Douanla Gningaye

    Développeur Web Full-Stack & UI/UX Designer

    Sales 0

    Back-end

    Web design

    Typescript

    Python

    Php

    Front-end

    C#

  • Patrick Longchy Ntiwa
    Patrick Longchy Ntiwa

    Développeur web full stack — WordPress, WooCommerce & React

    Sales 0

    Elementor

    Wordpress plugin

    Website maintenance

    Tailwind

    Figma

    Laravel

    React

    Php

    WordPress

    HTML

  • Dachi Lemovou
    Dachi Lemovou

    Ingénieur logiciel - Expert développement mobile & web - IA automatisation

    Sales 0

    Flutter

    WordPress

    Php

    Node.js

    iOS

    Android

    Symfony

    Laravel

    Angular

    JavaScript

  • Dieudonne
    Dieudonne

    Développeur Flutter senior | Applications Android et iOS

    Sales 0

    Performance audits

    Laravel

    Firebase

    iOS

    Android

    Flutter

    React

    MySQL

    JavaScript

  • Louis
    Louis

    Développeur Full Stack | Laravel • React • Flutter • IA

    Sales 0

    Laravel

    Deadline management

    SaaS

    Showcase website

    Web application

    Mobile application

    Api

    Project management

  • Anuoluwapo
    Anuoluwapo

    AI Video & Automation Specialist | n8n, Make.com, API and Webhooks Integration

    Sales 0

    Api integration

    AI-Generated images

    Prompt engineering

    Python

    UGC video

    Social media videos

    Automated workflow

    Zapier

    Make

    N8N

  • Wiam
    Wiam

    Développeuse Mobile & Full-Stack | Android, iOS, Angular, Firebase

    Sales 0

    Firebase

    iOS

    Android

    Typescript

    JavaScript

    Restful api

    Angular

    Api

  • Nomena Randry
    Nomena Randry

    Développeur Web & Mobile Full-Stack | Web 3D (Three.js) & Applications Sur Mesure

    Sales 1

    Python

    HTML

    CSS

    C#

    Php

    React

    SQL

    MySQL

    JavaScript

    Typescript

  • Joshua Adeojo
    Joshua Adeojo

    CERTIFIED SHOPIFY DEVELOPER AND ROAS DRIVEN DIGITAL MARKETER

    Sales 0

  • Yannick
    Yannick

    csv-cleaner

    Sales 0

  • Zaïdou
    Zaïdou

    Sales 0

    Network security

    IT troubleshooting

    Data entry

    WordPress

    Web security

    Data security

    JavaScript

    HTML

    CSS

  • Gabin Fofie Dayo
    Gabin Fofie Dayo

    Je fais le contrôle préventif de votre site / boutique pour éviter de perdre des clients

    Sales 0

    Proofreading

    Attention to detail

    Web page writing

    Data entry

    translation

    Ai-assisted writing

    Test automation

  • Onome Racheal Edojah
    Onome Racheal Edojah

    Expert Wix & Wix Studio | Création de sites web | Développeur Wix Velo

    Sales 0

    CMS

    Responsive design

    Emailing automation

    Email marketing

    Wix

    Email sequence

    Graphic Design

    Landing pages

    Web design

  • David
    David

    Technicien informatique & développeur Symfony | Assistance, dépannage et services numériques

    Sales 0

    Word

    PowerPoint

    Excel

    Symfony

    PDF editing

    Adobe Acrobat

    System administration

    Adobe Photoshop

  • Anjarasoa Andrianarivo
    Anjarasoa Andrianarivo

    Développeur web/mobile Fullstack

    Sales 0

  • Romel Djoumessi
    Romel Djoumessi

    Senior Java/Spring Engineer — 10 ans d'expérience en fintech

    Sales 0

  • Gabriel
    Gabriel

    Sales 0

    Python

    JavaScript

    HTML

    CSS

  • Alexandre
    Alexandre

    Développeur Front-End spécialisé en intégration web, React et TypeScript

    Sales 0

    Debugging

    Typescript

    Responsive design

    Landing pages

    Web application

    HTML

    CSS

    Tailwind

    React

    JavaScript

  • Freddy Nazon
    Freddy Nazon

    Automatisation n8n et outils IA pour TPE/PME

    Sales 0

  • MODUPE FUNMILAYO
    MODUPE FUNMILAYO

    Concepteur Web | Expert en Entonnoirs de Vente | Kajabi | Systeme.io | WordPress | Wix

    Sales 0

    SEO

    Systeme.io

    Elementor

    Wix

    WordPress

    WooCommerce

    Web design

    WordPress theme

    Wordpress plugin

  • Berthino Rakotomalala
    Berthino Rakotomalala

    Développeur Full-Stack Web & Mobile | React, React Native, NestJS

    Sales 0

    SaaS

    Node.js

    Api integration

    Full-stack

    React native

    Restful api

    Database

    Typescript

    React

    JavaScript

  • Mohamed
    Mohamed

    Architecte web & e-commerce | WordPress, WooCommerce et solutions métier

    Sales 0

    Online store creation

    Server administration

    WordPress

    WooCommerce

    Web design

    Prestashop

    Php

    Magento

    Api integration

    Web application

  • KAPEVICH
    KAPEVICH

    🥇 Développeur Web & site WordPress Professionnel

    Performance Excellent

    Sales 77

    WordPress

    WooCommerce

    HTML

    CSS

    WordPress theme

  • Mitondrasoa Andriamandresy
    Mitondrasoa Andriamandresy

    Développeur full-stack — agent IA & RAG, automatisation n8n, temps réel, application sur mesure

    Sales 0

    AI chatbot

    N8N

    No-code automation

    Typescript

    React

    Python

    Node.js

    Api integration

    React native

    Database

  • Is-deen
    Is-deen

    Développeur Full-Stack | React, Next.js, Node.js | Applications web & mobile

    Sales 0

    End-to-end testing

    Web security

    Node.js

    React native

    Showcase website

    Web application

    Mobile application

    Restful api

  • Josue Mbah Moffo
    Josue Mbah Moffo

    Développeur web & Python | Automatisation et résolution de problèmes techniques

    Sales 0

    Web development training

    Automated workflow

    Debugging

    Linux

    Git versioning

    Python

    JavaScript

    Web application

    Docker

    Api

  • Badélé Houinsou
    Badélé Houinsou

    Développeur Web Full-Stack & Spécialiste Applications Sur Mesure (Laravel, React, Next.js)

    Sales 0

    React

    Php

    Laravel

    On-page seo

    Landing pages

    Mobile application

    SaaS

    Back-end

    Front-end

  • Ludovic
    Ludovic

    Développeur web & IA — sites, chatbots, automatisations n8n, extraction de données

    Sales 0

    Elementor

    No-code automation

    Web scraping

    WordPress

    Python

    JavaScript

    WooCommerce theme

    Chatbot

  • Rémi Jentellet
    Rémi Jentellet

    Administrateur Systèmes & Réseaux | Support Windows, Wi-Fi & PowerShell

    Sales 0

    IT troubleshooting

    IT support

    Functional programming

    Network security

    Windows optimization

  • mamoudou
    mamoudou

    Developpeur fullstack

    Sales 14

    Node.js

    JavaScript

    WordPress

    React

    Python

    Chatbot

    MySQL

    Wordpress plugin

    Web scraping

  • Zuoqin Zhang
    Zuoqin Zhang

    Solutions digitales : Frontend, Excel, 3D, vectorisation & visuels e-commerce

    Sales 0

    Blender

    Adobe Photoshop

    Adobe Illustrator

    Excel

    3D Modeling

    React

    JavaScript

    CSS

    HTML

  • Seni
    Seni

    Designer Miniatures YouTube & Posts Instagram | Expert Canva

    Sales 0

    Photo editing training

    YouTube thumbnail

    Canva

  • Said Boujemaoui
    Said Boujemaoui

    Développeur Web Expert | Correction de Bugs & Performance

    Sales 0

    Brevo

    Web application

    Emailing automation

    Deadline management

    PageSpeed

    Technical seo optimization

    Responsiveness

    Debugging

    Prestashop

    Problem solving

  • Mouhemirou Yarou
    Mouhemirou Yarou

    Développeur Fullstack Laravel & React | Résolution de bugs & Déploiement VPS

    Sales 0

    Laravel

    Tailwind

    NGINX

    Linux

    VPS

    Typescript

    React

    Php

    MySQL

    Restful api

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