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

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  • Hance Mulaja
    Hance Mulaja

    Je développe votre application web moderne en React, .NET ou IA (rapide, sécurisée, professionnelle)

    Sales 0

    React

    asp.net

    Tailwind

    Bootstrap

    SQL

    MySQL

  • Rukevwe
    Rukevwe

    B_tech_Innovative

    Sales 0

    HTML

    Bootstrap

    Node.js

    CSS

    JavaScript

    SQL

    Api integration

    Git versioning

    React

  • Joseph Mwambi
    Joseph Mwambi

    Developement Web - Wordpress, Elementor, Graphisme, UI/UX Design

    Sales 4

    Adobe Photoshop

    WordPress

    Adobe after effects

    Adobe After Effects

    JavaScript

    Figma

    HTML

  • Mouwafic Badarou
    Mouwafic Badarou

    Je crée votre site web ET votre identité visuelle

    Sales 0

    Web performance optimization

    SaaS

    Showcase website

    Web application

    Landing pages

    Digital illustration

    Avatar and Mascot

  • Jean
    Jean

    Expert en développement web et SEO

    Sales 0

    WordPress

  • Pedro
    Pedro

    🚀 Expert — Création & Refonte de Sites Web Professionnels

    Sales 0

    Landing pages

  • Mamy
    Mamy

    Mamy Raharijaona

    Sales 0

    Logo Creation

    Logo Vectorization

  • salomon leonel
    salomon leonel

    Expert PHP & API – Correction de bugs critiques, paiement et applications métiers

    Sales 0

  • lylia
    lylia

    Sales 10

    WordPress

    WordPress theme

    Wordpress plugin

  • Anjarasoa Fanantenana
    Anjarasoa Fanantenana

    Developpeur Full-stack

    Sales 0

    Python

    HTML

    CSS

    JavaScript

    React

    MySQL

  • Marine Guichon
    Marine Guichon

    Développeuse Front-end engagée pour l'inclusion numérique.

    Sales 0

    Personal development

    Personal development

    Ability to synthesize

    HTML

    CSS

    Responsive design

  • Tsiory Andrianarimanana
    Tsiory Andrianarimanana

    Développeur Web & Mobile | Correction de bugs & Intégration API🚀

    Sales 0

    Php

    JavaScript

    Api integration

    WordPress

  • 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

  • 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

  • Frédéric
    Frédéric

    Yannxz_Helper

    Sales 0

    HTML

    CSS

    Problem solving

  • Hospice Sode
    Hospice Sode

    Expert Laravel & Sécurité API | Solutions Fintech-Grade

    Sales 0

    Php

    MySQL

    SQL

    React

    JavaScript

    Tailwind

  • Prevue
    Prevue

    Prevue Archimede

    Sales 0

    React

    Php

    HTML

    Node.js

    WordPress

    Angular

  • 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

  • fenitriniaina
    fenitriniaina

    Feni R

    Sales 0

    HTML

    CSS

    Jquery

    JavaScript

    Ajax

    Php

  • Hammed
    Hammed

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

    Sales 3

    Shopify

    Web design

  • Bel Aubespin
    Bel Aubespin

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

    Sales 0

    Marketing automation

    Zapier

    React

    HTML

    CSS

    Python

    JavaScript

  • koffi
    koffi

    Spécialiste SEO

    Sales 0

    Shopify

  • Henintsoa
    Henintsoa

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

    Sales 0

  • Sègbé Hounleba
    Sègbé Hounleba

    Sales 0

    HTML

    CSS

    JavaScript

    Responsive design

    Python

    Git versioning

    Bootstrap

  • Arnaud
    Arnaud

    Développeur Web Fullstack | Laravel · Node.js · Architecture Système

    Sales 0

  • KATCHENEFO
    KATCHENEFO

    Expert WordPress & WooCommerce | Création d'applications Web & Mobile | Automatisation d'entreprise

    Sales 0

    WordPress

    WooCommerce

    Community management

  • YVAN
    YVAN

    développeur full stack (spring boot/Angular)

    Sales 0

    HTML

    CSS

    JavaScript

    Tailwind

    Angular

    Unit testing

  • Pape Souleymane Ndao
    Pape Souleymane Ndao

    Développeur Full Stack Python / React

    Sales 0

    Chatbot

    Restful api

    Git versioning

    Database

    React

    JavaScript

    CSS

    HTML

    Python

    WordPress

  • Mirko
    Mirko

    Simple Website Creator for Small Businesses

    Sales 0

    Landing pages

    Web design

  • 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

  • David
    David

    Développeur + SEO + Business

    Sales 0

    Symfony

    Mobile application

    Android

    Flutter

    WordPress

    Typescript

    Prestashop

    Php

    Angular

  • 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

  • Alex
    Alex

    Dami Dev

    Sales 0

    HTML

    CSS

    React

    Node.js

    Chatbot

  • Hospice
    Hospice

    Hospice AHOUANDJINOU--Développeur web full-stack

    Sales 0

  • Ilya
    Ilya

    Développeur Python — Automatisation IA, API & Debugging

    Sales 0

    WooCommerce

    WordPress

    JavaScript

    Make

    N8N

    Webhooks

    Test automation

    ChatGPT

    AI agent

    Python

  • 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

  • Aminou Mohamadou
    Aminou Mohamadou

    Développeur Shopify & Next.js — UX/UI E-commerce Premium

    Sales 2

    Web design

    Shopify

    React

    JavaScript

    Shopify theme

  • 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

  • Simeon
    Simeon

    Développeur Web Expert | Spécialiste Django, Laravel & API

    Sales 0

    Laravel

    Python

    Php

    Api integration

    JavaScript

    CSS

    HTML

  • Mathis
    Mathis

    Mathisdigit | Création digitale & accompagnement

    Sales 0

    WordPress

    Adobe Photoshop

    Organic seo

  • Matthieu
    Matthieu

    Matthieu Sousa

    Sales 0

    Data analysis

    No-code automation

    Data extraction

    Python

  • Delf Zyboth Apendhi
    Delf Zyboth Apendhi

    Graphiste spécialisé en flyers | Développeur Java & C#

    Sales 0

    Logo redesign

    Logo Creation

    Business Cards

    Adobe Photoshop

    Posters and flyers

    JavaScript

    C#

    Graphic Design

  • Faridat Abdulazeez
    Faridat Abdulazeez

    Ecommerce Business Expert | Design • Marketing • Strategy

    Sales 0

    Branding

    Wix

    Shopify

    Marketing strategy

  • Miguel Laurès Azifan
    Miguel Laurès Azifan

    Développeur web fullstack

    Sales 0

    Laravel

    Tailwind

    Php

    MySQL

    HTML

    CSS

    Bootstrap

    React

  • Nambinintsoa Stéphane
    Nambinintsoa Stéphane

    Developpeur d'application Web et Mobile | Javascript . React · Node.js | 8 ans d'expérience

    Sales 0

    Jquery

    Typescript

    JavaScript

    Ajax

    React

    Node.js

    Api integration

    React native

    Mobile application

    Web application

  • Kevin
    Kevin

    Expert WordPress & Multimédia

    Sales 0

  • 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

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