The contribution graph is lying to you.What ecommerce hiring managers actually check.

The greenest GitHub profile one recruiter ever saw belonged to a candidate who got rejected in under a minute. Perfect contribution heatmap, tidy commit messages, a dozen serious-sounding repos. They scrolled, found no sign of real work underneath any of it, and closed the tab. The graph was theater, and theater is the first thing an experienced reviewer learns to see through.

That matters because the GitHub check is now routine for technical roles. Industry surveys suggest 60 to 80 percent of tech recruiters at least glance at a linked GitHub profile for mid-to-senior positions, with a deeper code review happening in 40 to 50 percent of specialized cases, usually performed by the engineering managers and staff-level interviewers later in the process rather than the recruiter up front. The resume gets you scanned. The repo is what gets read by the people who decide whether to hire you. Which means the contribution graph, the single thing most engineers optimize for, is close to the least useful part of the page.

The opposite failure is just as common, and the WordPress world has a name for it: GitHub spam. The pressure to "contribute to open source," amplified by every career influencer, produces a deluge of inconsequential commits that burden maintainers and tell a hiring manager nothing. A README typo fix is a contribution. It is not a signal of seniority, and presenting it as one is transparent to anyone technical.

What a discerning reviewer actually does is read the story behind the contributions. What kind of projects. What quality of code. How you interact with other maintainers. That is the bar, and it is a qualitative one, which is good news, because it means you cannot fake it with volume but you can clear it with a single piece of real work.

What actually signals seniority, per platform

The shape of a credible open source footprint depends heavily on which ecosystem you work in, because each one defines "contribution" differently.

WooCommerce and WordPress. This is the richest ecosystem for proof of work, and also the one where the hierarchy of contributions is most misunderstood. More than 800 people have contributed to the WooCommerce GitHub repository, which is several times the size of the core team Automattic employs on it, so a merged core PR is a genuine signal: it means people who do this full-time reviewed your code and accepted it. One tier down, a well-maintained plugin in the WordPress.org directory demonstrates something a core PR doesn't, which is that you can own a thing end to end, support real users, and keep it working across releases. Both are credible. What is worth understanding is that WordPress draws a formal distinction between core contributions and the broader work of building freely available plugins and themes, and that core contributions are tracked through Trac and props on releases rather than only through GitHub. If you have props on a WooCommerce or WordPress release, name it, because it is verifiable and most candidates do not have it.

Magento / Adobe Commerce. Magento has a long-standing public contribution model with its own recognition system, and contributions to the core codebase carry weight precisely because the platform is enterprise-heavy and the review bar is high. A merged fix to Magento core or a maintained, installed extension says you can operate inside a large, opinionated codebase without breaking it, which is exactly the anxiety a Magento employer is hiring against. Demo stores and tutorial follows do not register here. Real module work does.

Medusa and headless. Medusa is younger, TypeScript-native, and its community is small enough that meaningful contributions are highly visible. That visibility cuts both ways: a thoughtful PR to the core framework or a well-built plugin in its ecosystem stands out far more than the equivalent would in a mature project, because the maintainers and the people hiring are frequently the same small group. For headless engineers, a clean public repo that shows how you structure a custom backend, handle the API surface, and document your decisions is often more persuasive than any single upstream contribution.

Shopify. This is the awkward one, because Shopify's core is closed, so there is no "contribute to core" path. The credible signals are adjacent: open-sourced Shopify Functions, a public Hydrogen storefront, an app or theme with real installs, or libraries built on the Storefront and Admin APIs. The principle holds even without a core repo to target, which is that working, documented code beats a list of named technologies every time.

Make it readable to someone scanning fast

A credible footprint that nobody can parse in a minute is wasted. The hiring manager is not going to spelunk through forty repositories looking for your best work. A few things do most of the lifting.

Pin deliberately, and write the descriptions for the scanner. GitHub gives you six pinned slots. Recruiters frequently do not click into the repository at all, which means the one-line description visible on your profile is doing the work the resume bullet used to do. "WooCommerce subscriptions edge-case fix, merged upstream" tells a reviewer more than a repo named wc-experiment-final-2. Pin a mix: an upstream contribution, a maintained tool, a recent project on current tech. Variety shows breadth, and the quality of each shows depth.

Write the README like documentation, not a billboard. The profile README has become the de facto developer resume, and the most common mistake is treating it as a place to dump every technology you have ever touched and a wall of badges. Recruiters say the same thing repeatedly: they want signal, not noise. One or two lines on who you are and what you work on, two or three current projects, the pinned repos, and how to reach you. That is enough. The visitor counters and streak badges signal insecurity, not competence.

Let the older repos go. Reviewers click through to old repositories, and a graveyard of abandoned tutorial follows actively works against you. If a repo would embarrass you in an interview, unpin it or archive it. Your profile is a portfolio, not a commit log.

The honest caveats

Two of them, because this advice has real limits.

The first is that open source is not a neutral meritocracy of free time, and the public data makes this stark. When one engineer aggregated the entire GitHub Archive, he found that 83 percent of users had no commits in the past year and 88 percent had no followers, not because they were weak engineers but because most professional software is closed source and never shows up on a public profile at all. He pointed out that neither John Carmack nor Jeff Dean, two of the most accomplished engineers alive, have findable GitHub profiles. The same piece cited Dan Luu, who sits in the top thousand most-followed accounts on the platform, reporting that in 50 interviews only twice did anyone look at his code. A thin GitHub does not mean a weak engineer, and a hiring manager who treats commit count as the whole story is doing the lazy version of this. If your best work lives in private company repos, the move is to describe that work concretely on your resume and build one small public artifact that demonstrates the same skill, rather than manufacturing a contribution history you do not have time for.

The second is that in the WordPress and WooCommerce world, a large share of the most valuable contribution is sponsored, not volunteered. The Five for the Future model means many top contributors are paid by their employer to spend a slice of their week on core, and Automattic alone puts over a hundred full-time people on the project. That is worth knowing for two reasons. It means some of the people you are competing against have company time you do not, so do not measure yourself against them on raw output. And it means that if contributing matters to you, the durable path may be steering toward an employer that sponsors it, rather than carving it out of your evenings indefinitely.

None of this changes the core point. A contribution graph can be farmed in an afternoon and a resume can be generated in thirty seconds, but a merged PR that a maintainer chose to accept cannot be faked into existence. That is the part of your profile a reviewer trusts, and it is what they are scrolling past the heatmap to find. Build one real thing, make it legible, and stop watering the graph.