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Bug fixing &
code review

Fast, reliable fixes for apps that can’t afford downtime.

Why chainweb

Bug fixing and code review radar illustration

When your product is live, bugs aren’t “small issues” — they’re lost revenue, angry users, and risk.
Chainweb provides rapid bug fixing and expert code review to stabilize your web or mobile app and get you back to shipping confidently.

Outcome: fewer production incidents, faster performance, cleaner codebase.

Send us your issue list or repo access and get a fix plan within 24–48 hours.

Send now

Typical engagement models

One-off bug rescue

(urgent production issues)

For critical bugs that need immediate attention.

Hourly rate or fixed price per issue
Fast start, no long-term commitment
Ideal for isolated, high-impact bugs

Stabilization sprint

(1–3 weeks to clean up the backlog)

A focused sprint to stabilize the codebase and eliminate recurring issues.

Time-based (hourly)
Clear scope and weekly progress updates
Ideal for teams with accumulated technical debt or repeated incidents

Ongoing support

(monthly retainer)

Continuous support to keep your product stable, secure, and evolving.

Monthly retainer (fixed monthly fee) or hourly allocation
Predictable availability and response times
Ideal for live products with regular updates and releases

Technologies we use

What this service covers

Bug fixing and code review services — senior engineers with 8+ years experience

Critical Bug Fixing
(Production & Pre-release)

We investigate and fix bugs that impact users or business KPIs.

Examples:

Login/signup failures, password reset issues, broken 2FA flows
Payment and checkout bugs (Stripe/PayPal/crypto)
API errors, inconsistent responses, webhook failures
Mobile crashes, navigation glitches, push notification failures
UI breakage across browsers/devices

You get: root-cause analysis + fix + clean PR + verification.

How we work

Quick triage (same day)

We review your bug list, logs, and environment.

Root-cause analysis

Not patching symptoms — fixing the real source.

Fix implementation

Clean code, clear commits, no shortcuts that create new debt.

Verification & handover

Tests + replay steps + release notes.

Optional prevention

Short refactor or test improvements to reduce repeats.

Why Chainweb

Senior debugging, not guesswork

Our engineers bring 7–10+ years of hands-on production experience. They’ve debugged live systems under real load, deadlines, and business pressure — which means faster diagnosis and fewer mistakes.
Fast turnaround with clear communication

We respond quickly and keep you informed at every step. Initial response within 1–3 business hours, clear status updates, and no silent periods where you’re left guessing what’s happening.
Security-aware fixes (OWASP/NIST mindset)

Every fix is reviewed through a security lens.
We follow OWASP and NIST best practices to avoid introducing new vulnerabilities while resolving existing issues — especially in auth, data handling, and APIs.
We leave your codebase better than we found it

We don’t just fix bugs, we improve maintainability. Cleaner logic, safer patterns, clearer structure, and documentation where it matters, so future changes become easier instead of riskier.