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Security

Secure Code Review & Application Security

The most expensive vulnerabilities are rarely a single bad line. They emerge where components meet: a missing compensation step in a distributed transaction, an idempotency gap, an authorisation check that one path forgets. We review code the way it actually fails and build the checks that stop it happening again.

Discuss your requirement

What we deliver

Scope of work

Every engagement is scoped in writing before it starts. A typical engagement includes:

  • Manual secure code review across C#, Java, TypeScript, Python, Go, Rust, C and C++
  • Analysis of coupled and emergent defects: saga compensation gaps, idempotency and ledger invariants
  • Threat modelling of critical flows before code is written
  • SAST, DAST, SCA, secrets and container scanning integrated into CI/CD
  • Secure SDLC practices and developer guidance tailored to your stack
  • Prioritised findings with code-level fixes

What you get

Outcomes

  • Defects found in review rather than in production
  • Security gates that run on every pull request
  • Engineers who recognise the patterns next time

Track record

Experience behind it

  • Evaluation-grade secure code review for a frontier AI lab's cybersecurity benchmark
  • Certified Ethical Hacker (CEH v13)
  • Mentored development teams to around 20 percent better code quality and 25 percent faster delivery
  • More than sixteen years building production systems on .NET, Java, TypeScript and Go

Technologies and frameworks

  • Semgrep
  • Snyk
  • Checkmarx
  • SonarQube
  • Burp Suite
  • OWASP ZAP
  • GitHub Actions
  • Azure DevOps
“Genuine expert” is the phrase that comes to mind when I think about Shreyans. … Shreyans’ ability to grasp functional requirements and underlying technological requirements had amazed me. Shreyans worked in key modules of the product by showing his excellent capabilities in Dry Running the Code and review the code of peers.
Pushpendra Singh Lead Software Engineer
Managed Shreyans directly at H&R Block India

FAQ

Common questions

Something else on your mind? Ask us directly.

How is manual code review different from a SAST scan?

Scanners find known patterns in single files. Manual review follows data and control flow across services, which is where authorisation gaps, race conditions and broken transaction logic actually live.

Which languages do you review?

C#, Java, TypeScript and JavaScript, Python, Go, Rust, C and C++, together with infrastructure-as-code such as Terraform, Helm and Kubernetes manifests.

Can you set up security checks in our pipeline?

Yes. We integrate SAST, DAST, dependency, secrets and container image scanning into GitHub Actions, Azure DevOps or Jenkins, tuned so the gates catch real issues without blocking every build.

Related services

Often combined with

Have a system to build, modernise or secure?

Tell us where things stand today. The first conversation is free, and you will leave it with an honest view of the work involved.

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