Omri Lavi Building Tools for Developers

A Tech Lead at monday.com with over a decade of experience, specializing in developer tools, client architecture, and optimizing workflows to enhance developer velocity and confidence.

[PODCAST] Scaling Frontend Development - Challenges & Strategies

[PODCAST] Scaling Frontend Development - Challenges & Strategies

Exploring challenges and strategies in scaling frontend development, including platform teams, microfrontends, and automated testing to maintain productivity and quality.

Growing as a Technical Leader: Lessons from the Book Staff Engineer

February 1, 2025

Growing as a Technical Leader: Lessons from the Book Staff Engineer

Exploring key lessons from Will Larson's 'Staff Engineer,' this article delves into the four archetypes of Staff+ Engineers and strategies for impactful technical leadership.

Testkit Mastery, Part 5: Key Takeaways and Lessons Learned for Building Better Testkits

Testkit Mastery, Part 5: Key Takeaways and Lessons Learned for Building Better Testkits

Reflecting on building testkits for complex libraries, this article shares key takeaways and lessons learned to enhance testing workflows and create developer-friendly tools.

Testkit Mastery, Part 4: Design for Easy Integration into Testing Environments

February 28, 2025

Testkit Mastery, Part 4: Design for Easy Integration into Testing Environments

This article explores strategies for seamlessly integrating testkits into environments like Vitest and Storybook, ensuring minimal setup and a consistent developer experience.

Testkit Mastery, Part 3: Building the Core Structure of a Flexible and Reliable Testkit

February 21, 2025

Testkit Mastery, Part 3: Building the Core Structure of a Flexible and Reliable Testkit

Delving into the implementation of core components, this article discusses balancing flexibility and accuracy to create a robust testkit for complex libraries.

Testkit Mastery, Part 2: Designing a Developer-Friendly Testkit

February 14, 2025

Testkit Mastery, Part 2: Designing a Developer-Friendly Testkit

This article walks through prototyping a testkit API, focusing on key requirements for usability, flexibility, and seamless TypeScript integration.

How TypeScript’s Compiler Helped Us Prevent Redux Performance Issues

January 25, 2025

How TypeScript’s Compiler Helped Us Prevent Redux Performance Issues

Discover how we built a TypeScript tool to test and optimize selectors, improving performance by ensuring consistent references for identical inputs.

Omri Lavi @ React Day Berlin 24` | The Superpower of ASTs: How We Saved 16% on Our Bundle Size

December 16, 2024

Omri Lavi @ React Day Berlin 24` | The Superpower of ASTs: How We Saved 16% on Our Bundle Size

Omri's talk at React Day Berlin 24` about the superpower of ASTs and how we saved 16% on our bundle size

Omri Lavi @ ReactNext 24` | The Superpower of ASTs: How We Saved 16% on Our Bundle Size

Omri Lavi @ ReactNext 24` | The Superpower of ASTs: How We Saved 16% on Our Bundle Size

Omri's talk at ReactNext 24` about the superpower of ASTs and how we saved 16% on our bundle size

Keeping Your Data Fresh: Optimizing Live Updates with WebSockets

Keeping Your Data Fresh: Optimizing Live Updates with WebSockets

Learn how we optimized live updates with WebSockets to keep your data fresh.

The Superpower of Babel: How We Saved 16% on Our Bundle Size

The Superpower of Babel: How We Saved 16% on Our Bundle Size

Discover new web optimization techniques with our custom Babel loader that decreased our bundle sizes by up to 16%.

Understanding TypeScript’s skipLibCheck Once and For All

August 25, 2021

Understanding TypeScript’s skipLibCheck Once and For All

Read about the behavior and usages of the skipLibCheck option, and understand when to use it.

Developing Self Compassion: An Answer to the Constant Burnout

Developing Self Compassion: An Answer to the Constant Burnout

Are you generally stressed about your value as a developer? Feeling like you’re just not enough? This post is for you.

Better Error Messages in TypeScript 4.2 - Smarter Type Alias Preservation

February 28, 2021

Better Error Messages in TypeScript 4.2 - Smarter Type Alias Preservation

Smarter Type Alias Preservation makes TypeScript “remember” which union-types are being used while displaying the error messages.

Git Metric - Solving the Pain of Measuring a Project Migration

February 14, 2021

Git Metric - Solving the Pain of Measuring a Project Migration

With Git Metric you can quickly analyze git repository’s history within minutes.

Writing Your First Custom Stylelint Rule

September 18, 2020

Writing Your First Custom Stylelint Rule

Quickly create and integrate your own stylelint rules, to keep a higher level of code quality while respecting your project's requirements.

3 Considerations for Your Next Utility Function Refactor — Static vs. Dependency Injected

November 27, 2019

3 Considerations for Your Next Utility Function Refactor — Static vs. Dependency Injected

Choosing between static and a dependency injected utility function

My Top 9 Hand-picked Talks from CSSConfBP and JSConfBP ’19

November 26, 2019

My Top 9 Hand-picked Talks from CSSConfBP and JSConfBP ’19

Summarizing my favorite talks from JSConf and CSSConf '19

Link Previews — More than Meets the Eye

September 10, 2019

Link Previews — More than Meets the Eye

Ever wondered how is this preview generated?

Cleaner TypeScript With the Non-Null Assertion Operator

August 25, 2019

Cleaner TypeScript With the Non-Null Assertion Operator

Reduce your cognitive load and make your code less verbose

7 Things You Should Know Before Starting with Side Projects

February 24, 2019

7 Things You Should Know Before Starting with Side Projects

I discontinued my work on a side project I’ve started 18 months ago. Doesn’t sound like a big success story, right? I thought so…

Fixing Overly Aggressive Optimization with Terser

January 8, 2019

Fixing Overly Aggressive Optimization with Terser

A story of solving a mysterious “Syntax Error”, that appeared in our production Webpack build with no apparent reason.

Microfrontends with iFrames

December 7, 2018

Microfrontends with iFrames

Over the last couple of years we, at Innovid, have engaged with reusing some of our apps and embedding them in other apps. Join us as we explore the options we've examined and challenges encountered.