You will get a professional source code security review

Lester O.Status: Offline
Lester O. Lester O.
5.0
Top Rated

Let a pro handle the details

Buy Desktop App Improvements & Bug Fixes services from Lester, priced and ready to go.
Lester O.Status: Offline
Lester O. Lester O.
5.0
Top Rated

Let a pro handle the details

Buy Desktop App Improvements & Bug Fixes services from Lester, priced and ready to go.

Project details

I provide thorough, security-focused source code reviews designed to uncover issues that automated tools and surface-level reviews often miss. My approach emphasizes real-world exploitability, code quality, and secure design, ensuring findings are both meaningful and actionable.

What sets my project apart:
 • Manual, line-by-line analysis of security-critical code paths, not just tool-generated findings
 • Attacker-mindset review to identify logic flaws, trust boundary issues, and abuse scenarios
 • Clear risk prioritization, helping teams focus on what truly matters
 • Actionable remediation guidance with secure coding recommendations tailored to your stack
 • Developer-friendly reporting that is easy to understand, share, and implement
 • Optional follow-up support to clarify findings and validate fixes

The result is a review that strengthens your codebase, reduces long-term risk, and helps your team ship software with confidence.
Programming Languages
C, C++, C#, Dart, Java, Python, VB, Lua, JavaScript, Delphi, Kotlin
Operating System
Linux
Desktop App Expertise
App Design, Application Setup & Installation, Software Debugging, Performance Optimization, Security, W3C Markup Validation Service, Application Review & Optimization
What's included
Service Tiers Starter
$1,500
Standard
$2,500
Advanced
$5,000
Delivery Time 4 days 7 days 14 days
Number of Revisions
000
Bug Investigation
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Source Code
Database Integration
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Detailed Code Comments
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Fix Documentation
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5.0
48 reviews
100% Complete
1% Complete
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1% Complete
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1% Complete
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1% Complete
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Lester O.Status: Offline

About Lester

Lester O.Status: Offline
Penetration Tester | Web, Cloud, Mobile & Network Security
100% Job Success
5.0  (48 reviews)
Nairobi, Kenya - 12:23 pm local time
I am a Penetration Tester focusing on Cloud, Network, Web, and Mobile Apps.

I have significant and well-diversified experience in multiple Cybersecurity domains, including:

1. Cloud Infrastructure: I help secure Cloud Infrastructure such as GCP AWS and Azure.
2.Penetration Testing and Vulnerability Assessment: I specialize in finding vulnerabilities in Web Applications, Mobile Applications, Networks, and Smart Contracts.
3. Bug Bounty Hunting: I find bugs for various companies on HackerOne - @l3s7r0z.

I am constantly improving myself and getting better each day in the Cyber Security field.

Lester Obbayi - @l3s7r0z

Steps for completing your project

After purchasing the project, send requirements so Lester can start the project.

Delivery time starts when Lester receives requirements from you.

Lester works on your project following the steps below.

Revisions may occur after the delivery date.

Perform a structured manual review of the source code

This helps identify logic flaws and insecure patterns that automated tools often miss, reducing the risk of exploitable vulnerabilities reaching production.

Review the work, release payment, and leave feedback to Lester.