Find the Best Web Application Security Jobs

Professionals on Upwork rate clients
Rating is 4.9 out of 5.
4.9/5
On average from 2M+ reviews

Check out a sample of the 1,105 Web Application Security jobs posted on Upwork

Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

Project Title Development of a Financial, Budget and HR Benchmark Web Platform   Table of contents Project Title 1 1. Project Overview…

Web Application SecurityAdaptive Web DesignMySQLData EntryMicrosoft ExcelFinancial Analysis
See more

Full-Stack Developer & AI Integration

Fixed-price ‐ Posted 3 days ago
$20
Fixed-price
Intermediate
Experience level

We are seeking a skilled full-stack developer to enhance our web application using Next.js, React, and Laravel. The role involves integ…

Web Application SecurityGraphic DesignJavaScriptHTML5
See more
Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

I’m looking for an experienced ethical hacker/penetration tester to test my website for security vulnerabilities and identify any bugs…

Web Application SecurityWeb Application Security JobsPenetration TestingData Recovery
See more

Full-Stack Developer

Hourly ‐ Posted 3 days ago
Less than 30 hrs/week
Hours needed
More than 6 months
Duration
Expert
Experience level

SaaS Rationalization LLC is looking for an experienced Full-Stack Developer to help build and improve web applications focused on SaaS…

Web Application SecurityJavaScriptGraphQLGitMySQLTypeScriptPython
See more

Build a CRM for our landscape lighting business

Fixed-price ‐ Posted 3 days ago
$500
Fixed-price
Expert
Experience level

Vision Outdoor Lighting is a landscape lighting design and installation company based in Orange County, CA, with 13+ years in business.…

Web Application SecurityClaude
See more
Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Expert
Experience level

I have an existing Telegram Signal Copier web application built with Python/Flask, HTML, CSS and JavaScript. The project is already li…

Web Application SecurityPayment Gateway IntegrationJavaScript
See more

Encryption of data going into a database

Fixed-price ‐ Posted 3 days ago
$100
Fixed-price
Expert
Experience level

We are designing a DIY website development product for service SMEs. We need some of the data saved by the user or created by user's cu…

Web Application SecurityPythonEncryptionC#
See more

Website Developer with Payment Integration

Fixed-price ‐ Posted 3 days ago
$700
Fixed-price
Intermediate
Experience level

Job Title Experienced Wix Developer Needed — Jotform, Stripe, Membership & Fundraising Pages Project Description I am looking for a…

Web Application SecurityPayment Gateway IntegrationHTML5PHP
See more

Cybersecurity and Compliance Review

Hourly ‐ Posted 3 days ago
Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

We need a professional to review our online cloud resources and physical devices, including phones, laptops, tower computers, and cloud…

Web Application SecurityRegulatory CompliancePenetration TestingInformation Security AuditComplianceVulnerability AssessmentDigital Forensics
See more
Less than 30 hrs/week
Hours needed
1 to 3 months
Duration
Intermediate
Experience level

We are building a secure internal web application to automate provider onboarding, document organization, credential tracking, email fo…

Web Application SecurityCSSAmazon Web ServicesAPI IntegrationNode.jsPythonAPIJavaScriptiPad App Development
See more

Your next job starts right here

Set up a free profile to showcase your skills, experience and desired pay rate to clients. You choose the payment method that's best for you to easily get paid for your work.

Find work
Upwork Payment Protection
Gives you security and peace of mind
See how it works