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Code reviewArch. reviewArch. design

AI-assisted development and JavaScript architecture lead

Best for: teams adopting AI coding agents who want quality to hold · JS/TS scale-ups with growing architecture debt · founders with an AI-built app that needs a senior review · corporate teams training engineers in TDD.

engineering leader and principal-level JavaScript / TypeScript architect
consumer software at very large scale, media and entertainment, e-commerce
JavaScript, TypeScript, Node.js, React, Redux, Next.js, unit-testing and TDD tooling, LLM coding agents
North America
[ M · 01 ]
4
Track-record cases
[ M · 02 ]
8
Scoped reviews you can book with this expert
[ M · 03 ]
6/ 6
Review and architecture services offered
[ M · 04 ]
4
Buyer needs this expert is matched to

§ 01Snapshot

§ 02Services

✓PR/MR code reviewJavaScript / TypeScript, AI-generated code
✓Architecture reviewJS/TS front end and Node.js back end
✓Architecture designAI-assisted delivery workflows, JS/TS application structure
✓Audit / due diligenceapplication security reviews of web apps
✓Vibe-code rescue
✓Team mentoringTDD, functional JavaScript, AI-assisted development practice

§ 03Track record

Engineering leadership on products used by very large audiences

One of our experts has led engineering teams on consumer products used by very large audiences. The work combined architecture, delivery and team leadership at a scale where small quality lapses reach millions of users.

consumer software at very large scale · very large enterpriseJavaScript / TypeScript, modern web front end, production AI services

Test-driven development training for enterprise engineers

An enterprise wanted its engineers to write security-critical code with test-driven development. Our expert trained its engineers in TDD and quality-engineering practices for that kind of code.

large enterprise · large enterpriseJavaScript, unit-testing tooling

Shopping-cart and checkout architecture for a consumer e-commerce brand

A consumer brand needed a dependable cart and checkout. Our expert architected the shopping cart and refined the checkout UX, which measurably improved conversion.

e-commerce · consumer brand with a large customer baseJavaScript, Node.js, front-end checkout flows

JavaScript architecture for large media and entertainment products

Large media and entertainment companies needed web applications that many teams could extend. Over many years our expert contributed to and architected JavaScript applications for such companies, with a focus on modular structure and maintainability.

media, news, entertainment · large enterprisesJavaScript, Node.js, front-end frameworks

§ 04What you can book

Security review of sensitive integrations

A product that holds sensitive user assets or credentials keeps adding third-party integrations. The expert maps what each integration can touch, where secrets live and which paths bypass checks, then proposes the smallest set of boundaries that contain the risk.

You get

An integration risk map and prioritized fixes.

Architecture review · Security reviewJavaScript / TypeScript, auth and cryptography libraries

Test-first workflow for a team adopting AI coding agents

A team started using AI coding agents, shipped faster for a month, and now regressions are rising. The expert sets up a test-first loop (spec, failing unit tests, agent implementation, review gate), shows the team how to write tests that catch hallucinated behaviour, and reviews the first PRs under the new process.

You get

A written workflow, test conventions and coached PRs.

Team mentoring · Architecture designTypeScript / JavaScript, unit-testing tooling, LLM coding agents

Review of AI-generated JavaScript / TypeScript pull requests

A team's PRs are now mostly agent-written and nobody has time to read them closely. The expert reviews for the four usual agent failures (missing tests, coupled modules, duplicated logic, missed security issues) and leaves fixes and rules the team can feed back to the agent.

You get

Reviewed PRs and a short rules file for agents and people.

PR/MR code reviewJavaScript, TypeScript, Node.js, React

Moving a class-heavy codebase to functional composition

Deep class hierarchies make every change risky and hard to test. The expert maps the hierarchy, picks seams where small pure functions and composition can replace inheritance, and plans an incremental refactor protected by tests.

You get

A refactoring map, first refactored modules and the test harness around them.

Architecture review · Refactoring planJavaScript / TypeScript, unit tests

Front-end state architecture review

A React app's state is spread across components, global stores and ad-hoc effects, and bugs come from impossible states. The expert reviews where state lives, models key flows as explicit state machines and separates pure logic from side effects.

You get

A target state architecture and refactors for the riskiest flows.

Architecture reviewReact, Redux or similar stores, TypeScript

Security review of an AI-built web app

A founder built a Node.js / Next.js app with AI tools and is about to take payments or personal data. The expert reviews auth, session and secret handling, input validation, dependency risks and the comparisons and crypto calls agents often get subtly wrong.

You get

A ranked vulnerability list, fixes for the critical items and tests that keep them fixed.

Audit · Vibe-code rescueNode.js, Next.js, TypeScript

AI-assisted prototype with production habits from day one

A founder wants a working prototype in weeks, built with AI agents, without throwing it away later. The expert sets up the project structure, test-first loop and review gates, then guides the build in short shipped iterations.

You get

A working prototype with tests, a clean module structure and a backlog for the next stage.

Architecture design · Vibe-code rescueTypeScript, Node.js, React / Next.js, LLM coding agents

Mentoring developers to work well with AI coding tools

Junior and mid-level developers use AI tools but can't tell good output from bad. The expert runs regular sessions on decomposing tasks, writing specs and tests agents can follow, and reviewing agent output critically.

You get

A practice routine, review checklists, and a few weeks of reviewed PRs to show progress.

Team mentoringJavaScript / TypeScript, unit testing, LLM coding agents

Questions buyers ask

How do you stop AI coding agents from producing hallucinated or broken code?+
Write the tests first and make the agent satisfy them. Unit tests turn "looks right" into a pass or fail check, so invented functions, wrong edge cases and silent regressions show up right away. Add small, well-specified tasks and human review of the architecture, and agent output stays maintainable.
What usually goes wrong in codebases written mostly by AI agents?+
Agents skip tests, couple modules that should be independent, duplicate logic instead of reusing it, and miss security issues. A review looks for these four patterns first, then sets workflow rules (tests before code, small diffs, review gates) so they don't come back.
Why use functional programming and composition in JavaScript?+
Small pure functions are easy to test, easy to reason about and easy to recombine. Composition avoids the brittle hierarchies that class inheritance tends to create. It also helps with AI-assisted coding, because small units with clear inputs and outputs are easier for both people and agents to specify and verify.
Is a senior code review still useful if the team ships with AI agents?+
More than before. Agents produce more code faster, so architecture drift and security gaps pile up faster too. An experienced reviewer with a test-first workflow keeps the speed and catches what the agent can't see.
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How it works

  1. Tell us what you need — the repo or system, the question, and the deadline.
  2. We match an expert from the network, with a second reviewer where it helps.
  3. Scoped work, contracted through Invental — review per pull request, a fixed-scope audit or architecture review, or ongoing capacity.

— Invental · software studio · Montevideo, UY

Want this expert on your code?

Tell us what you are building and what you want checked. We confirm the match and the scope before anything starts.

— Get in touch
hi@invental.co ↗
— Or
— What to include

A link or short description of the code or system, what you want checked, your stack, and when you need the answer. No repository access is needed until scope is agreed.

— Or leave a note
We reply within one business day.