Tech: mid and seniorResumes for tech roles5 min read
Mid and senior developer resume: show scope, not stack
After the first couple of years, nobody hires you for knowing a framework. They assume it. They want to know how big a problem you can be trusted with, and whether you leave it better. With AI writing more of the code, that judgment is most of the job, so it should be most of your resume.
Updated October 18, 2026
What a hiring manager reads for
- ScopeHow big was the thing you owned? A feature, a service, a system other teams depend on. Name it and give its size.
- ResultsWhat changed because of you: faster, cheaper, more reliable, more revenue, fewer incidents. With a number when you have one.
- JudgmentThe decision you made and the trade-off behind it: what you simplified, what you migrated, what you chose not to build.
One pattern for every bullet
What you ownedDecision you madeResult
“Owned checkout for 1.2M monthly users. Moved payment calls to a queue with retries, cutting failed orders from 2.1% to 0.4%.”
Instead of
- Worked on microservices using Java, Spring Boot, Kafka, Kubernetes and AWS.
- Participated in code reviews and agile ceremonies.
Write
- Split billing out of the monolith into its own service (Java, Kafka); deploys went from 40 to 8 minutes for 3 teams.
- Set up review guidelines and a test gate that cut production incidents by a third in two quarters.
The weak lines list tools and rituals every developer has. The strong ones show something you changed that other people felt, and the tools still appear.
Where AI belongs on a senior resume
“Proficient with AI coding tools” is the new “proficient in Microsoft Word”: assumed, and a little worrying when it is a highlight. What is worth a line is how you used AI to change an outcome, for you or for the team.
Instead of
- Used AI tools to improve productivity.
Write
- Introduced AI-generated tests with a review checklist; coverage of the payments service went from 45% to 80% in six weeks.
The strong line has a result and shows judgment: you added a review step because you know where generated code goes wrong.
If you build AI features (language models, search over documents, agents), describe them like any other system: what it does, how you measured that it works, and what it costs to run.
Shape the page
Detail your last two or three roles and shrink older ones to a line or two. Keep a short skills line grouped by area (languages, infrastructure, data) so searches find you, and let your bullets prove it. Two pages is fine at this level if every line earns its place.
For each role, ask: if my manager from then read this, would they nod? A senior interview goes deep on every line, and inflation shows within two questions.
What to leave out
Avoid
- A skills section with 40 technologies. It reads as unfocused, and each one is fair game in the interview.
- The team’s work described as yours. Choose between “led”, “owned” and “contributed to”, and mean it.
- One resume for a startup and a bank alike. Lead with speed and range for one, reliability and scale for the other.
- Side projects above your work. At this level they support your story; they do not replace it.
- Your stack is assumed
- Scope, decision, result
- AI as an outcome, not a skill
- Detail the last 2–3 roles