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

352 results

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  • Ilyes
    Ilyes

    Sales 0

    SEO

    Webhooks

    Web design

    Web security

    Data security

    MySQL

    Payment integration

    React

    Ci/cd pipelines

    Docker

  • Mouhyadine
    Mouhyadine

    Expert Développeur Full-Stack MERN | Spécialiste React, Node.js & SaaS

    Sales 0

    Tailwind

    React

    Node.js

    JavaScript

    Api integration

    HTML

    Full-stack

    Restful api

    Bootstrap

  • David
    David

    Développeur + SEO + Business

    Sales 0

    Mobile application

    Android

    Flutter

    WordPress

    Typescript

    Prestashop

    Php

    Angular

  • Constantin Sokenou
    Constantin Sokenou

    Developpeur web FullStack | IA Enthousiast | IT Enthousiast

    Sales 0

  • Imisioluwa
    Imisioluwa

    AI Automation Architect | Sales Funnels, CRM Integrations E-commerce Website & AI Voice Agents

    Sales 0

    Hubspot

    Shopify

    Shopify theme

    Shopify plugin

    E-commerce niche

    Zoho Social

    Zoho Docs

  • Teanuanua
    Teanuanua

    Étudiant en Master Architecte Système et Réseaux (ISR)

    Sales 0

    System administration

    Software installation

    Server configuration

    Video game

  • Rayan Elyounassi
    Rayan Elyounassi

    AI Engineer & Full-Stack Developer | Next.js, LangChain & OpenAI Specialist

    Sales 0

    Full-stack

    Python

    AI agent

    Api

    Api integration

    IT troubleshooting

    Landing pages

    LLM

    Machine learning

  • Samira
    Samira

    Ingénieure Informatique Sénior | Solutions web & services rapides

    Sales 0

    Angular

    IT support

  • Mathis
    Mathis

    Création digitale & accompagnement

    Sales 0

    WordPress

    Adobe Photoshop

    Organic seo

  • Kevin
    Kevin

    Kevin | Support Technique & Web

    Sales 0

    HTML

    Php

    CSS

    JavaScript

  • Adjé Oladjidé Kenneth Eddy Boni
    Adjé Oladjidé Kenneth Eddy Boni

    Développeur Full-Stack React · React Native · Django

    Sales 0

    Git versioning

    React native

    HTML

    CSS

    JavaScript

    React

    Python

  • Mirko
    Mirko

    Simple Website Creator for Small Businesses

    Sales 0

    Landing pages

    Web design

  • Raymond Jude
    Raymond Jude

    Growth & Automation Expert | GoHighLevel CRM Architect & High-CTR Thumbnail Designer

    Sales 0

    Marketing automation

    HTML

    Hubspot

    Web design

    Responsive design

    Logo Creation

  • YVAN
    YVAN

    développeur full stack (spring boot/Angular)

    Sales 0

    HTML

    CSS

    JavaScript

    Tailwind

    Angular

    Unit testing

  • Hatim
    Hatim

    Développeur Full-Stack | Expert Angular & Java/Spring Boot

    Sales 0

    Angular

    JavaScript

    Typescript

    Tailwind

    CSS

    HTML

  • ANDRINIRINA
    ANDRINIRINA

    Je crée votre application web professionnelle avec Symfony ou Laravel (API, SaaS, CRM)

    Sales 0

    Php

    JavaScript

    Jquery

    HTML

    CSS

    React

  • Théo
    Théo

    Développeur Polyvalent & Expert FiveM (Lua) | Solutions Rapides & Efficaces

    Sales 0

    HTML

    CSS

    JavaScript

  • koffi
    koffi

    Spécialiste SEO

    Sales 0

    Shopify

  • Hammed
    Hammed

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

    Sales 1

    Shopify

    Web design

  • David Mario Razafimahaleo
    David Mario Razafimahaleo

    Développeur Web JavaScript | React | Node.js

    Sales 0

    JavaScript

    React

    HTML

    CSS

    Node.js

    Web design

  • Driss
    Driss

    Tech driss

    Sales 0

  • Henintsoa
    Henintsoa

    🛡️ Configuration Active Directory & GPO — audit, création, correction

    Sales 0

  • Bel Aubespin
    Bel Aubespin

    Développeur web & expert automatisation IA | bots, workflows, API

    Sales 0

    Marketing automation

    Zapier

    React

    HTML

    CSS

    Python

    JavaScript

  • Mohamed
    Mohamed

    Développeur Full Stack Web & Flutter

    Sales 0

    Php

    MySQL

    HTML

    CSS

  • Rayan Ereteo
    Rayan Ereteo

    Développeur web

    Sales 0

    HTML

    CSS

    JavaScript

    Typescript

    React

    Node.js

    MySQL

    Websockets

  • Dona
    Dona

    Expert IA & Automatisation| Développeur Web & Créateur Digital

    Sales 0

    Emailing automation

  • Jérémie Bellec
    Jérémie Bellec

    Création & correction de sites web rapides (mobile & design)

    Sales 0

    HTML

    CSS

    JavaScript

    Responsive design

  • Prevue
    Prevue

    Prevue Archimede

    Sales 0

    React

    Php

    HTML

    Node.js

    WordPress

    Angular

  • Frédéric
    Frédéric

    Yannxz_Helper

    Sales 0

    HTML

    CSS

    Problem solving

  • Maxime
    Maxime

    Je développe vos sites web et mets en place vos solutions informatiques professionnelles

    Sales 0

    HTML

    CSS

    JavaScript

    MySQL

    Node.js

    Php

  • Daniel Raniriharinosy
    Daniel Raniriharinosy

    Solutions Web | Stratégie, Design & Développement

    Sales 0

    WordPress

    React

    HTML

    CSS

    Angular

    JavaScript

    Web design

    Logo Creation

    Adobe Illustrator

  • Marion
    Marion

    🧑‍💻 Développeur Full Stack React / Laravel – Services web & digitaux

    Sales 0

  • Abiodun Afolabi
    Abiodun Afolabi

    Full Stack Web Developer & SEO Expert | WordPress, Forms, SMTP Specialist, Book Editor & Copywriter

    Sales 0

    WordPress

    Web design

    Shopify

    WooCommerce

    Ebook Covers

  • Rosedel
    Rosedel

    🔧 Expert en dépannage & assistance informatique

    Sales 0

    IT support

    Web security

  • Rachid
    Rachid

    Sales 0

    Node.js

    Git versioning

    React

    JavaScript

    Typescript

  • KOUETCHA FERNANDO DON DE DIEU
    KOUETCHA FERNANDO DON DE DIEU

    Développeur Fullstack Angular / Spring Boot — API REST, WebSocket, Docker

    Sales 0

    Typescript

    Angular

    Websockets

    Docker

  • Elise
    Elise

    Développeuse React | Intégration Figma, dashboards & API

    Sales 0

    Laravel

    Flutter

    React

    HTML

    CSS

  • Meryam Khoubbaz
    Meryam Khoubbaz

    Correctrice & traductrice FR / EN

    Sales 0

  • 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

  • Ephreme Kouledou
    Ephreme Kouledou

    Développeur PHP Laravel | Wordpress

    Sales 0

    WordPress

    Web scraping

  • SAHOBISOA
    SAHOBISOA

    Développeur Full Stack JavaScript | Expert Shopify & React

    Sales 0

    Typescript

    Shopify

    SQL

    React

    Node.js

    JavaScript

    HTML

    Restful api

    CSS

  • Jean
    Jean

    Expert en développement web et SEO

    Sales 0

    WordPress

  • Hospice Sode
    Hospice Sode

    Expert Laravel & Sécurité API | Solutions Fintech-Grade

    Sales 0

    Php

    MySQL

    SQL

    React

    JavaScript

    Tailwind

  • Ibidoun Odounbourou
    Ibidoun Odounbourou

    Je crée des sites web modernes & des API professionnelles.

    Sales 0

  • Saif Uddin Ahmad
    Saif Uddin Ahmad

    Web Developer

    Sales 0

    Php

    Web design

    WordPress

    WooCommerce

    JavaScript

    HTML

    CSS

  • Vianel
    Vianel

    Développeur Web & Mobile | E-commerce, Shopify, Automatisation IA (n8n, Make) & Agents IA

    Sales 0

    No-code automation

    Scripts

    Debugging

    AI agent

    Business development

    E-commerce management

    Dropshipping

    SEO

    Product sheets

    Online store creation

  • Rukevwe
    Rukevwe

    B_tech_Innovative

    Sales 0

    HTML

    Bootstrap

    Node.js

    CSS

    JavaScript

    SQL

    Api integration

    Git versioning

    React

  • Sylvain Razafindrasolo
    Sylvain Razafindrasolo

    💼 Opérateur de Saisie 📂 | Support Administratif 🖥️

    Sales 0

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