Code review services

Bugs caught early cost 100x less to fix. Let our senior engineers review your codebase with a fresh eye and optimize it for security, performance, and maintainability.
22+years of code review experience
40+clients worldwide
150+in-house employees
ISO-9001
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EXCELLENT
EXCELLENT
EXCELLENT
22+years of code review experience
40+clients worldwide
150+in-house employees

What we audit

We look beyond surface issues. Below are the key directions we focus on:

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Backend

  • Code structure and readability
  • Logic and error handling
  • API design and versioning
  • Microservices communication
  • Performance under load
  • Tech debt and outdated libraries
  • Scalability and extensibility
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Frontend

  • Code modularity and organization
  • State management strategy
  • Reusability of components
  • UI responsiveness and rendering time
  • Browser compatibility
  • Error handling in the UI
  • Framework version issues
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Infrastructure

  • CI/CD pipeline quality
  • Cloud configuration and resource usage
  • Deployment and rollback processes
  • Server environments and scaling
  • Logging and monitoring practices
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Database

  • Schema design and normalization
  • Query performance
  • Indexing and constraints
  • ORM usage patterns
  • Scalability risks
  • Data validation logic
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Security

  • Search for vulnerabilities (e.g., SQL injection, XSS, CSRF)
  • Review of authentication and authorization logic
  • Data encryption and storage safety
  • Session and token handling
  • Use of vulnerable libraries
  • Access control policies
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UI/UX

  • Navigation and user flow
  • Accessibility (contrast, keyboard navigation, etc.)
  • Feedback elements (loading states, confirmations, etc.)
  • Layout clarity
  • Bottlenecks in user actions

Code review services we offer

SAST – Automated security code review

Encryption errors:

  • weak encryption algorithms or strong encryption algorithms with weak implementation (e.g., insecure key storage).
  • Code injection vulnerabilities.
  • XSS (cross-site scripting) vulnerabilities.

Manual security-focused code review

  • Auditing and logging mechanisms.
  • Input/data validation mechanisms.
  • Impersonation/delegation mechanisms.
  • Session management.
  • Communication security.
  • The security of connection strings.
  • Input/output operations security.
  • The presence of serialization filtering.
  • Reflection mechanisms.
  • The presence of obfuscation.
  • Checking if the code is thread-safe.

All-around code review

In addition to SAST and manual review of code security, we check:

  • If descriptive names for code variables are in place.
  • If comments about what particular code functions and methods do are present.
  • If documentation on what the whole code does and what its dependencies are is in place.
  • If the developers can take advantage of ready frameworks and reusable components to get work done faster.
  • If the practice of splitting code into shorter units is observed.
  • If the code is portable.
  • If effective version control is implemented.
  • If linter tools (SonarQube, ESLint) are used.
  • If exception-handling mechanisms are effective.
  • If the required security mechanisms are in place, and more.

Not sure what you need?

Let us help you match your needs to the right type of audit. We’ll guide you through the options and recommend what fits best.

AI-enhanced code review & development

AI won’t replace a human expert, but it can be a smart assistant when used right.

Our engineers use AI tools to generate sample unit tests for uncovered logic, speed up documentation and code summarization, help write mock data generators, suggest potential refactoring ideas, and auto-generate code snippets for repetitive patterns.

This means faster reports, better coverage, and examples you can immediately use. We also offer the following AI services:

AI development

  • Generative AI
  • Natural Language Processing (NLP)
  • Computer vision
  • Recommendation systems
  • Predictive analytics
  • Audio processing
  • Custom AI-powered tools

AI consulting

  • Code security analysis with AI tools
  • Smart linting
  • AI-driven code suggestions
  • Custom research
  • Data preparation and quality checks
  • AI readiness assessments for products or teams

Want AI to work for you?

We can help you integrate AI tools into your development process for real productivity gains. Talk to us about how AI can support your software development – whether it’s improving testing, documentation, or reducing overhead. Our team builds AI-powered tools, too.

Explore our AI development services
If you answered ‘yes’ to at least one – it’s time for a code review.

Need help now?

We’ll help you choose the right audit type and assign the best experts for your tech stack.

Why code review matters

Catch bugs early

Fixing issues later in production is 100x more expensive.

Uncover tech debt

See what slows your team down and how to fix it.

Boost security

Find hidden vulnerabilities before someone else does.

Build maintainable code

Make future changes easier and faster.

Comply with regulations

Meet industry standards (HIPAA, GDPR, etc.) and pass security audits with confidence.

Improve performance

Identify bottlenecks that cost you time and resources.

Why choose Aristek software engineers for your code review?

Commitment to data privacy

We comply with GDPR, CCPA, HIPAA, IMS, WCAG, OWASP, and X12 standards. ISO 9001 certified.

Strong industry focus

With experience across 15+ industries, we understand real-life challenges.

Transparent costs & timelines

No vague numbers. No hidden fees. Just clear estimates and delivery.

Qualified experts

95% of our employees have BS, MSc, or PhD degrees.
88% of them are senior/middle-tier developers.

AWS and Microsoft Azure partnership

We’re AWS and Microsoft Azure partners – ready to support your cloud-based workflows.

Flexible engagement

From one-off audits to continuous code reviews – we adjust to your needs.

How we approach code review

We prioritize precision, transparency, and practical results. Here’s how we do it:

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01Code review request

We clarify your goals and estimate the effort involved.

02

02Signing NDA & the contract

Before reviewing any code, we ensure confidentiality.

03

03Define code review criteria

We define clear rules based on your stack, best practices, and industry standards.

04

04Code review

We check for maintainability, performance, security, and more – with issues ranked by severity.

05

05Detailed feedback

You receive a clear, actionable report with suggestions and reasoning.

06

06Collaborative discussion

We walk your team through the findings and answer any questions.

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07Final presentation

You get the final audit report – a clear view of strengths and gaps.

Technologies we are experts in

Cloud computing platforms

Data and AI

Any questions left?

Let’s talk about your project and how we can help.

FAQ

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