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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  • Lexni Hounwanou
    Lexni Hounwanou

    Sessi_Tech

    Sales 0

    SQL

    React

    MySQL

    Showcase website

    Canva

    WordPress

    Python

    Php

    HTML

    CSS

  • Atou Diagne
    Atou Diagne

    Data analyst et developpeur Fullstack

    Sales 0

    Excel

    Laravel

    Excel chart

    Data analysis

    SQL

    React

    Python

    Machine learning

    Angular

    Canva

  • Komi Amehouenou
    Komi Amehouenou

    Développeur Web & Mobile — Sites web & applications iOS/Android sur mesure

    Sales 1

    Mobile application

    Web page writing

    WordPress

    Web application

    Flutter

    Web scraping

    CMS

    Docker

    Ci/cd pipelines

  • belalioui
    belalioui

    Python Automation Specialist | Web Scraping | Excel & PDF Automation

    Sales 0

    PDF editing

    Automated workflow

    Python

  • Titosy Razafimbelo
    Titosy Razafimbelo

    Développeur full-stack & automatisation IA - n8n, agents IA, web & mobile, WordPress, bots

    Sales 1

    ChatGPT

    Flutter

    Web scraping

    WordPress

    Typescript

    React

    Python

    Node.js

    React native

    JavaScript

  • Harwinder Kumar
    Harwinder Kumar

    Malware & Hack Removal, Web Security, WordPress, Site Migration Expert

    Sales 0

    Website migration

    Network security

    SSL certificate

    Elementor

    WordPress

    Web security

    Data security

    Php

    HTML

    Google search console

  • Taratra Andriamihaja
    Taratra Andriamihaja

    Développeur full stack

    Sales 0

    Laravel

    React

    Python

    Angular

  • Driss
    Driss

    Agence développement web, mobile & trading algorithmique. Solutions sur mesure pour entrepreneurs

    Sales 0

  • Maxime
    Maxime

    Développeur full-stack — je transforme vos idées en outils qui fonctionnent

    Sales 0

    ChatGPT

    Discord bot

    No-code automation

    Web scraping

    React

    Python

    Node.js

    JavaScript

  • Jeremy
    Jeremy

    Développeur Web – Des intégrations propres, rapides et adaptées à votre budget

    Sales 0

  • Ilyas Salas
    Ilyas Salas

    Salas Partners | Expert automatisation Make.com & Zapier | CRM HubSpot & GoHighLevel

    Sales 0

    AI model deployment

    CRM management

    Automated workflow

    Make

    N8N

    No-code automation

    Zapier

    Webhooks

    Api integration

    Hubspot

  • leonel maken
    leonel maken

    Sales 0

    Python

    Html seo

    Web development training

    WordPress

    N8N

    JavaScript

    React native

    Docker

  • Neeraj Kumar
    Neeraj Kumar

    Professional and Certified Shopify Expert

    Sales 0

    Theme customization

    Winning product

    Seo-optimized content

    Shopify

    Shopify theme

    Shopify plugin

    On-page seo

    Off-page seo

    Image for seo

    SEO audit

  • Alexandre Chaimbault
    Alexandre Chaimbault

    Builder Web & Formateur IA | Sites · Claude Code · Agents IA · MCP · Depuis 2018

    Sales 805

    No-code automation

    Claude

    Website migration

    Website redesign

    AI agent

    N8N

    WordPress

    Shopify

    Showcase website

  • Rayan
    Rayan

    Développeur Full-Stack / Front-end, Back-end, Sites Web et Applications

    Sales 0

  • Ismael
    Ismael

    informaticien & Développeur Web | Technologies de l'Information

    Sales 0

  • alexis
    alexis

    Expert en Dépannage Web Urgent (WordPress, Shopify, CSS)

    Sales 0

  • Ryan
    Ryan

    SevenDevelopment

    Sales 0

    Showcase website

    Web application

    Data security

    Web security

    WordPress

    Php

    MySQL

    JavaScript

    HTML

    CSS

  • Imadeddine
    Imadeddine

    Développeur web et automatisation | Astro, React, Python

    Sales 0

  • Emmanuel
    Emmanuel

    Développeur Web & Mobile Full Stack | Sites, Applications & Solutions sur mesure

    Sales 2

    Flutter

    React

    Node.js

    React native

    Web application

    Mobile application

    Website maintenance

    Figma

    WordPress

    Technical seo optimization

  • Pierre-Alexandre Poiraudeau
    Pierre-Alexandre Poiraudeau

    Ingénieur Infrastructure & Intégrateur IA

    Sales 0

    Automated workflow

    N8N

    System administration

    Linux

    VPS

    Python

    Docker

  • Mohamed
    Mohamed

    Ingénieur en cybersécurité

    Sales 0

    No-code automation

    Virtualization

    Server administration

    Linux

    Data security

    Python

    Web application

    Docker

    Test automation

  • Jay
    Jay

    Développeur Fullstack JS | Expert Automatisation & React

    Sales 0

    Typescript

    React

    Node.js

  • Grah Trah
    Grah Trah

    Sales 0

  • Nanja Andriamalako
    Nanja Andriamalako

    Technicien Support & Dépannage Informatique (Niveau 1 & 2)

    Sales 0

  • Nancy
    Nancy

    Développeur fullstack produit · Web · Mobile · e-commerce & SaaS

    Sales 0

    Api

    React

    Mail server

    React native

    Flutter

    Tailwind

    Typescript

    Node.js

    Back-end

    Front-end

  • Alphanni Lionel Eddino Herintsoa
    Alphanni Lionel Eddino Herintsoa

    Ingénieur Systèmes & Réseaux | Expert Support IT | Microsoft 365

    Sales 0

    Network security

    IT troubleshooting

    IT support

    Server administration

  • Anas Ouzine
    Anas Ouzine

    Full-Stack Web Developer for Modern and Scalable Applications

    Sales 0

    SEO audit

    Web design

    AI agent

    UX/UI

    Laravel

    SQL

    Php

    JavaScript

    React

    SEO

  • Flaurice
    Flaurice

    Développeur Frontend/ Site web vitrine

    Sales 0

  • Koceila Miarouf
    Koceila Miarouf

    Koceila MIAROUF

    Sales 0

    PC setup

    IT troubleshooting

    System administration

    Linux

    Server configuration

  • Youssef Ennejjar
    Youssef Ennejjar

    Développeur Full Stack | React, Django, Python & IA

    Sales 0

    CSS

    JavaScript

    Docker

    LLM

    Automated workflow

    asp.net

    Tailwind

    Node.js

    React

    Python

  • Fatahou
    Fatahou

    Développeur full stack JavaScript (React.js / Node.js)

    Sales 0

    Back-end

    SQL

    React

    Node.js

    JavaScript

    Front-end

  • CLEMENT FERDINAND
    CLEMENT FERDINAND

    Laravel Developer | PHP & Web Development

    Sales 0

    Php

    MySQL

    JavaScript

    HTML

    CSS

    Bootstrap

    Laravel

  • Eric Randriamanantena
    Eric Randriamanantena

    Développeur Web & Designer

    Sales 0

    Python

    HTML

    SEO

    WordPress

    WooCommerce

    Web design

    Landing pages

    JavaScript

    CSS

  • Merzouk
    Merzouk

    Développeur Full Stack Senior PHP / Angular | AWS | Elasticsearch / OpenSearch

    Sales 0

    Web performance optimization

    Php

    JavaScript

    Docker

    Restful api

    Angular

  • Hassan Baldé
    Hassan Baldé

    Hassan Baldé HB

    Sales 0

  • Mostefa
    Mostefa

    Software engineer | Laravel PHP Web developer | API Development | Custom Web Application

    Sales 0

    Tailwind

    Bootstrap

    Laravel

    JavaScript

    React

    HTML

    Php

  • Florian
    Florian

    Développeur

    Sales 0

    Adobe Photoshop

    JavaScript

    WordPress

    Php

    Canva

    Figma

  • jamal
    jamal

    Ingénieur Full-Stack & Développeur Web/Mobile (React, Node.js)

    Sales 0

  • Cyriaque
    Cyriaque

    Développeur Front-End React / Next.js — 4 ans d'expérience, 4 apps livrées en solo

    Sales 0

    Tailwind

    Websockets

    React

    Python

    Api integration

    Full-stack

    Docker

    CSS

  • LEONIE
    LEONIE

    Développeuse Full-Stack, Mobile, Data & IoT

    Sales 0

  • Mohamed
    Mohamed

    Développeur Web Front-End

    Sales 0

    Responsive design

    HTML

    CSS

  • Mbolatiana Avotra
    Mbolatiana Avotra

    🚀 Développeur Full Stack | Expert WordPress, React.js & Node.js pour Vos Solutions Web

    Sales 0

    Seo writing

    translation

    Organic seo

    Promotion creation

  • Daniel Nikiema
    Daniel Nikiema

    Développeur PHP/MySQL — applications de gestion & conversion Android

    Sales 0

    Php

    MySQL

    JavaScript

    HTML

    CSS

    Bootstrap

    Api

  • Coffi
    Coffi

    Créateur Digital | Expert WordPress, E-commerce & Design

    Sales 0

    SEO

    DaVinci Resolve

    WooCommerce

    Online store creation

    Website redesign

    Website maintenance

    Adobe Photoshop

    Adobe premiere pro

    WordPress

  • Abiodun Adebayo
    Abiodun Adebayo

    E-commerce Specialist

    Sales 0

    Google Ads

    Google my business

    Technical seo optimization

    SEO

    E-commerce coaching

    E-commerce management

    Shopify

    Web design

    Marketing strategy

    Google search console

  • Mohamed
    Mohamed

    Développeur Web Sur-Mesure – Landing Pages, E-commerce & SEO

    Sales 2

    Php

    WordPress

    Prestashop

    React

    Angular

    Web design

  • Fidele
    Fidele

    Ogensys

    Sales 0

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