How to optimize your LinkedIn profile as a software engineer

A lot of engineers treat LinkedIn like a chore they update once a year when they’re job hunting. Then they wonder why recruiters never reach out. The reason is usually that the profile is a thin copy of a resume, written for nobody in particular, and it doesn’t show up in the searches recruiters actually run.

LinkedIn is a search engine first and a social network second. Recruiters type queries into it the same way you’d query a database, and your profile either matches or it doesn’t. Here’s how to make yours one that surfaces, and reads like a real person wrote it.

Your headline is doing more than you think

The headline is the line under your name. It follows you everywhere on the platform, into search results, comments, and the messages recruiters scroll through. By default LinkedIn fills it with your current job title, which is the laziest option available to you.

Use that space to say what you do and what you work with. “Senior Backend Engineer | Go, Kubernetes, distributed systems” is more useful than “Senior Backend Engineer at Acme.” The first version contains the exact terms a recruiter might search for. The second buries them.

You don’t need to cram every skill in there. Pick the few you’d most want to be hired for and lead with those. If you’re open to work, the headline is a fine place to signal it plainly.

Write the About section like you’re talking to someone

This is the part most engineers either skip or fill with a stiff third-person bio. Both are missed chances. The About section is where you get to explain what you build, why, and what kind of problems you want next. Write it in first person and keep it readable.

Open with a sentence that says what you do and the kind of work you care about. Then give a short, concrete picture of your experience: the systems you’ve worked on, the scale, the stack. A line or two about what you’re looking for helps recruiters self-select. End there. Nobody needs five paragraphs.

The trick is to sound like yourself. If you’d never say “leveraging synergies” out loud, don’t type it. An about section or resume summary that reads like a human is rarer than you’d expect, and it stands out for exactly that reason.

Fill in the work that the resume cut

Your resume has to be short. Your LinkedIn doesn’t. This is the place to give your experience a little more room, especially the projects and outcomes you couldn’t fit on one page.

For each role, write a few lines about what you actually did and what changed because of it. The same rule from resume writing applies: outcomes beat duties. “Reduced build times by 60% by parallelizing the CI pipeline” says more than “worked on CI.” If a project shipped something people used, say how many people, or what it replaced.

You can also reorder your experience emphasis depending on where you’re heading. An engineer pivoting toward machine learning should make the relevant work easy to find, even if it wasn’t their main title.

The skills and keywords that get you found

Recruiters search LinkedIn by skill, location, title, and the words in your profile. If a term isn’t somewhere on your page, you won’t appear when they look for it. That’s the whole game with discoverability.

So make sure the technologies you want to be hired for show up in more than one place: the headline, the about, and the experience bullets. Add them to the skills section too, since recruiters filter by it directly. List the things you can defend in an interview, not a wish list.

Endorsements and a few recommendations help, but they’re secondary. The bigger lever is simply making sure your real skills are present in the text, written the way recruiters phrase them. If the industry calls it “Kubernetes,” don’t only write “k8s.”

Use the Featured section as a portfolio

The featured section sits near the top of your profile and lets you pin links, posts, or files. Most engineers leave it empty, which is a waste of prime space.

Pin the things that prove you can do the work. A GitHub repo you’re proud of, a technical post you wrote, a talk, a side project that’s live. Even one strong link here gives a recruiter or hiring manager something concrete to click, and it separates you from the profiles that are all claims and no evidence.

A photo, a banner, and the small stuff

These feel trivial, but they shape the first impression. A clear headshot where your face is actually visible does the job. The background banner is free real estate, so a simple one with your focus area beats the default gray.

Turn on the “open to work” setting if you’re searching, and decide whether you want it visible to everyone or only to recruiters. The recruiter-only option keeps your current employer from seeing it while still flagging you in their searches.

Where to start if you only have an hour

Fix the headline first, since it shows up everywhere and takes five minutes. Rewrite the about section next so it sounds like a person. Then go through your experience and turn at least your most recent role into outcomes instead of tasks. That alone moves most profiles from invisible to findable.

If you want help getting this sharp, Fonzi works with engineers to strengthen their profiles and then puts them in front of vetted AI startups through its Match Day process. It’s a straightforward way to make sure the profile you just polished gets seen by companies that are hiring.

FAQ

How important is the LinkedIn headline really?

Very. It appears in search results, comments, and recruiter messages, and the keywords in it affect whether you show up at all. Use it for your role plus your core skills.

Should my LinkedIn match my resume exactly?

No. The resume is short and tailored to one role. LinkedIn can carry more detail and more projects, and it should include the keywords recruiters search for.

What should go in the About section?

A first-person summary of what you build, a concrete picture of your experience and stack, and a line about what you’re looking for. Keep it short and skip the corporate phrasing.

Do skills and endorsements affect search results?

Skills do, because recruiters filter by them directly. Endorsements add a little credibility but matter less than simply having the right skills listed.

Will my employer see that I’m open to work?

Only if you choose the public setting. The recruiter-only option hides it from your network while still surfacing you in recruiter searches.